[Style] Global style fix run.
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/** @defgroup CM3_cortex_defines Cortex Core Defines
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*
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* @brief <b>libopencm3 Defined Constants and Types for the Cortex Core </b>
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*
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* @ingroup CM3_defines
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*
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* @version 1.0.0
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*
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* LGPL License Terms @ref lgpl_license
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2013 Ben Gamari <bgamari@gmail.com>
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* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBOPENCM3_CORTEX_H
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#define LIBOPENCM3_CORTEX_H
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/**@{*/
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Enable interrupts
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*
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* Disable the interrupt mask and enable interrupts globally
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*/
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static inline void cm_enable_interrupts(void)
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{
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__asm__("CPSIE I\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Disable interrupts
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*
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* Mask all interrupts globally
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*/
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static inline void cm_disable_interrupts(void)
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{
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__asm__("CPSID I\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Enable faults
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*
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* Disable the HardFault mask and enable fault interrupt globally
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*/
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static inline void cm_enable_faults(void)
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{
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__asm__("CPSIE F\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Disable faults
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*
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* Mask the HardFault interrupt globally
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*/
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static inline void cm_disable_faults(void)
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{
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__asm__("CPSID F\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Check if interrupts are masked
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*
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* Checks, if interrupts are masked (disabled).
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*
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* @returns true, if interrupts are disabled.
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*/
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__attribute__((always_inline))
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static inline bool cm_is_masked_interrupts(void)
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{
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register uint32_t result;
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__asm__ ("MRS %0, PRIMASK" : "=r" (result));
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return result;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Check if Fault interrupt is masked
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*
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* Checks, if HardFault interrupt is masked (disabled).
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*
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* @returns bool true, if HardFault interrupt is disabled.
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*/
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__attribute__((always_inline))
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static inline bool cm_is_masked_faults(void)
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{
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register uint32_t result;
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__asm__ ("MRS %0, FAULTMASK" : "=r" (result));
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return result;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Mask interrupts
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*
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* This function switches the mask of the interrupts. If mask is true, the
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* interrupts will be disabled. The result of this function can be used for
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* restoring previous state of the mask.
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*
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* @param[in] mask bool New state of the interrupt mask
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* @returns bool old state of the interrupt mask
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*/
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__attribute__((always_inline))
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static inline bool cm_mask_interrupts(bool mask)
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{
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register bool old;
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__asm__ __volatile__("MRS %0, PRIMASK" : "=r" (old));
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__asm__ __volatile__("" : : : "memory");
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__asm__ __volatile__("MSR PRIMASK, %0" : : "r" (mask));
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return old;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Mask HardFault interrupt
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*
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* This function switches the mask of the HardFault interrupt. If mask is true,
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* the HardFault interrupt will be disabled. The result of this function can be
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* used for restoring previous state of the mask.
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*
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* @param[in] mask bool New state of the HardFault interrupt mask
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* @returns bool old state of the HardFault interrupt mask
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*/
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__attribute__((always_inline))
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static inline bool cm_mask_faults(bool mask)
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{
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register bool old;
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__asm__ __volatile__ ("MRS %0, FAULTMASK" : "=r" (old));
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__asm__ __volatile__ ("" : : : "memory");
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__asm__ __volatile__ ("MSR FAULTMASK, %0" : : "r" (mask));
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return old;
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}
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/**@}*/
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/*===========================================================================*/
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/** @defgroup CM3_cortex_atomic_defines Cortex Core Atomic support Defines
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*
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* @brief Atomic operation support
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*
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* @ingroup CM3_cortex_defines
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*/
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/**@{*/
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#if !defined(__DOXYGEN__)
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/* Do not populate this definition outside */
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static inline bool __cm_atomic_set(bool* val)
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{
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return cm_mask_interrupts(*val);
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}
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#define __CM_SAVER(state) __val = state, \
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__save __attribute__((__cleanup__(__cm_atomic_set))) = \
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__cm_atomic_set(&__val)
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#endif /* !defined(__DOXYGEN) */
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Atomic Declare block
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*
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* This macro disables interrupts for the next command or block of code. The
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* interrupt mask is automatically restored after exit of the boundary of the
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* code block. Therefore restore of interrupt is done automatically after call
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* of return or goto control sentence jumping outside of the block.
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*
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* @warning The usage of sentences break or continue is prohibited in the block
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* due to implementation of this macro!
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*
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* @note It is safe to use this block inside normal code and in interrupt
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* routine.
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*
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* @example 1: Basic usage of atomic block
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*
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* @code
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* uint64_t value; // This value is used somewhere in interrupt
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*
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* ...
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*
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* CM_ATOMIC_BLOCK() { // interrupts are masked in this block
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* value = value * 1024 + 651; // access value as atomic
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* } // interrupts is restored automatically
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* @endcode
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*
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* @example 2: Use of return inside block:
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*
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* @code
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* uint64_t value; // This value is used somewhere in interrupt
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*
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* ...
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*
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* uint64_t allocval(void)
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* {
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* CM_ATOMIC_BLOCK() { // interrupts are masked in this block
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* value = value * 1024 + 651; // do long atomic operation
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* return value; // interrupts is restored automatically
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* }
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* }
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* @endcode
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*/
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#if defined(__DOXYGEN__)
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#define CM_ATOMIC_BLOCK()
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#else /* defined(__DOXYGEN__) */
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#define CM_ATOMIC_BLOCK() \
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for (bool ___CM_SAVER(true), __my = true; __my; __my = false)
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#endif /* defined(__DOXYGEN__) */
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Atomic Declare context
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*
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* This macro disables interrupts in the current block of code from the place
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* where it is defined to the end of the block. The interrupt mask is
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* automatically restored after exit of the boundary of the code block.
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* Therefore restore of interrupt is done automatically after call of return,
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* continue, break, or goto control sentence jumping outside of the block.
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*
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* @note This function is intended for use in for- cycles to enable the use of
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* break and contine sentences inside the block, and for securing the atomic
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* reader-like functions.
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*
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* @note It is safe to use this block inside normal code and in interrupt
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* routine.
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*
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* @example 1: Basic usage of atomic context
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*
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* @code
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* uint64_t value; // This value is used somewhere in interrupt
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*
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* ...
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*
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* for (int i=0;i < 100; i++) {
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* CM_ATOMIC_CONTEXT(); // interrupts are masked in this block
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* value += 100; // access value as atomic
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* if ((value % 16) == 0) {
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* break; // restore interrupts and break cycle
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* }
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* } // interrupts is restored automatically
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* @endcode
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*
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* @example 2: Usage of atomic context inside atomic reader fcn.
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*
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* @code
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* uint64_t value; // This value is used somewhere in interrupt
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*
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* ...
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*
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* uint64_t getnextval(void)
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* {
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* CM_ATOMIC_CONTEXT(); // interrupts are masked in this block
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* value = value + 3; // do long atomic operation
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* return value; // interrupts is restored automatically
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* }
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* @endcode
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*/
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#if defined(__DOXYGEN__)
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#define CM_ATOMIC_CONTEXT()
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#else /* defined(__DOXYGEN__) */
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#define CM_ATOMIC_CONTEXT() bool __CM_SAVER(true)
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#endif /* defined(__DOXYGEN__) */
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/**@}*/
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#endif
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/** @defgroup CM3_cortex_defines Cortex Core Defines
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*
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* @brief <b>libopencm3 Defined Constants and Types for the Cortex Core </b>
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*
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* @ingroup CM3_defines
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*
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* @version 1.0.0
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*
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* LGPL License Terms @ref lgpl_license
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2013 Ben Gamari <bgamari@gmail.com>
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* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBOPENCM3_CORTEX_H
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#define LIBOPENCM3_CORTEX_H
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/**@{*/
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Enable interrupts
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*
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* Disable the interrupt mask and enable interrupts globally
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*/
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static inline void cm_enable_interrupts(void)
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{
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__asm__("CPSIE I\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Disable interrupts
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*
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* Mask all interrupts globally
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*/
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static inline void cm_disable_interrupts(void)
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{
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__asm__("CPSID I\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Enable faults
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*
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* Disable the HardFault mask and enable fault interrupt globally
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*/
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static inline void cm_enable_faults(void)
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{
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__asm__("CPSIE F\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Disable faults
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*
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* Mask the HardFault interrupt globally
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*/
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static inline void cm_disable_faults(void)
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{
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__asm__("CPSID F\n");
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Check if interrupts are masked
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*
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* Checks, if interrupts are masked (disabled).
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*
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* @returns true, if interrupts are disabled.
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*/
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__attribute__((always_inline))
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static inline bool cm_is_masked_interrupts(void)
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{
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register uint32_t result;
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__asm__ ("MRS %0, PRIMASK" : "=r" (result));
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return result;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Check if Fault interrupt is masked
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*
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* Checks, if HardFault interrupt is masked (disabled).
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*
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* @returns bool true, if HardFault interrupt is disabled.
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*/
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__attribute__((always_inline))
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static inline bool cm_is_masked_faults(void)
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{
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register uint32_t result;
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__asm__ ("MRS %0, FAULTMASK" : "=r" (result));
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return result;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Mask interrupts
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*
|
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* This function switches the mask of the interrupts. If mask is true, the
|
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* interrupts will be disabled. The result of this function can be used for
|
||||
* restoring previous state of the mask.
|
||||
*
|
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* @param[in] mask bool New state of the interrupt mask
|
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* @returns bool old state of the interrupt mask
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*/
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__attribute__((always_inline))
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static inline bool cm_mask_interrupts(bool mask)
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{
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register bool old;
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__asm__ __volatile__("MRS %0, PRIMASK" : "=r" (old));
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__asm__ __volatile__("" : : : "memory");
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__asm__ __volatile__("MSR PRIMASK, %0" : : "r" (mask));
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return old;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Cortex M Mask HardFault interrupt
|
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*
|
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* This function switches the mask of the HardFault interrupt. If mask is true,
|
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* the HardFault interrupt will be disabled. The result of this function can be
|
||||
* used for restoring previous state of the mask.
|
||||
*
|
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* @param[in] mask bool New state of the HardFault interrupt mask
|
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* @returns bool old state of the HardFault interrupt mask
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*/
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__attribute__((always_inline))
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static inline bool cm_mask_faults(bool mask)
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{
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register bool old;
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__asm__ __volatile__ ("MRS %0, FAULTMASK" : "=r" (old));
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__asm__ __volatile__ ("" : : : "memory");
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__asm__ __volatile__ ("MSR FAULTMASK, %0" : : "r" (mask));
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return old;
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}
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/**@}*/
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/*===========================================================================*/
|
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/** @defgroup CM3_cortex_atomic_defines Cortex Core Atomic support Defines
|
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*
|
||||
* @brief Atomic operation support
|
||||
*
|
||||
* @ingroup CM3_cortex_defines
|
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*/
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/**@{*/
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#if !defined(__DOXYGEN__)
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/* Do not populate this definition outside */
|
||||
static inline bool __cm_atomic_set(bool *val)
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{
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return cm_mask_interrupts(*val);
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}
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|
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#define __CM_SAVER(state) \
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do { \
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__val = state, \
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__save __attribute__((__cleanup__(__cm_atomic_set))) = \
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__cm_atomic_set(&__val); \
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||||
} while (0)
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||||
|
||||
#endif /* !defined(__DOXYGEN) */
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||||
|
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|
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/*---------------------------------------------------------------------------*/
|
||||
/** @brief Cortex M Atomic Declare block
|
||||
*
|
||||
* This macro disables interrupts for the next command or block of code. The
|
||||
* interrupt mask is automatically restored after exit of the boundary of the
|
||||
* code block. Therefore restore of interrupt is done automatically after call
|
||||
* of return or goto control sentence jumping outside of the block.
|
||||
*
|
||||
* @warning The usage of sentences break or continue is prohibited in the block
|
||||
* due to implementation of this macro!
|
||||
*
|
||||
* @note It is safe to use this block inside normal code and in interrupt
|
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* routine.
|
||||
*
|
||||
* @example 1: Basic usage of atomic block
|
||||
*
|
||||
* @code
|
||||
* uint64_t value; // This value is used somewhere in interrupt
|
||||
*
|
||||
* ...
|
||||
*
|
||||
* CM_ATOMIC_BLOCK() { // interrupts are masked in this block
|
||||
* value = value * 1024 + 651; // access value as atomic
|
||||
* } // interrupts is restored automatically
|
||||
* @endcode
|
||||
*
|
||||
* @example 2: Use of return inside block:
|
||||
*
|
||||
* @code
|
||||
* uint64_t value; // This value is used somewhere in interrupt
|
||||
*
|
||||
* ...
|
||||
*
|
||||
* uint64_t allocval(void)
|
||||
* {
|
||||
* CM_ATOMIC_BLOCK() { // interrupts are masked in this block
|
||||
* value = value * 1024 + 651; // do long atomic operation
|
||||
* return value; // interrupts is restored automatically
|
||||
* }
|
||||
* }
|
||||
* @endcode
|
||||
*/
|
||||
#if defined(__DOXYGEN__)
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||||
#define CM_ATOMIC_BLOCK()
|
||||
#else /* defined(__DOXYGEN__) */
|
||||
#define CM_ATOMIC_BLOCK() \
|
||||
do { \
|
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for (bool ___CM_SAVER(true), __my = true; __my; __my = false); \
|
||||
} while (0)
|
||||
#endif /* defined(__DOXYGEN__) */
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Cortex M Atomic Declare context
|
||||
*
|
||||
* This macro disables interrupts in the current block of code from the place
|
||||
* where it is defined to the end of the block. The interrupt mask is
|
||||
* automatically restored after exit of the boundary of the code block.
|
||||
* Therefore restore of interrupt is done automatically after call of return,
|
||||
* continue, break, or goto control sentence jumping outside of the block.
|
||||
*
|
||||
* @note This function is intended for use in for- cycles to enable the use of
|
||||
* break and contine sentences inside the block, and for securing the atomic
|
||||
* reader-like functions.
|
||||
*
|
||||
* @note It is safe to use this block inside normal code and in interrupt
|
||||
* routine.
|
||||
*
|
||||
* @example 1: Basic usage of atomic context
|
||||
*
|
||||
* @code
|
||||
* uint64_t value; // This value is used somewhere in interrupt
|
||||
*
|
||||
* ...
|
||||
*
|
||||
* for (int i=0;i < 100; i++) {
|
||||
* CM_ATOMIC_CONTEXT(); // interrupts are masked in this block
|
||||
* value += 100; // access value as atomic
|
||||
* if ((value % 16) == 0) {
|
||||
* break; // restore interrupts and break cycle
|
||||
* }
|
||||
* } // interrupts is restored automatically
|
||||
* @endcode
|
||||
*
|
||||
* @example 2: Usage of atomic context inside atomic reader fcn.
|
||||
*
|
||||
* @code
|
||||
* uint64_t value; // This value is used somewhere in interrupt
|
||||
*
|
||||
* ...
|
||||
*
|
||||
* uint64_t getnextval(void)
|
||||
* {
|
||||
* CM_ATOMIC_CONTEXT(); // interrupts are masked in this block
|
||||
* value = value + 3; // do long atomic operation
|
||||
* return value; // interrupts is restored automatically
|
||||
* }
|
||||
* @endcode
|
||||
*/
|
||||
#if defined(__DOXYGEN__)
|
||||
#define CM_ATOMIC_CONTEXT()
|
||||
#else /* defined(__DOXYGEN__) */
|
||||
#define CM_ATOMIC_CONTEXT() bool __CM_SAVER(true)
|
||||
#endif /* defined(__DOXYGEN__) */
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
@ -32,7 +32,7 @@ void __dmb(void);
|
|||
/* --- Exclusive load and store instructions ------------------------------- */
|
||||
|
||||
/* Those are defined only on CM3 or CM4 */
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
|
||||
uint32_t __ldrex(volatile uint32_t *addr);
|
||||
uint32_t __strex(uint32_t val, volatile uint32_t *addr);
|
||||
|
|
|
@ -1,46 +1,46 @@
|
|||
/** @defgroup ethernet_mac_defines MAC Generic Defines
|
||||
*
|
||||
* @brief <b>Defined Constants and Types for the Ethernet MAC</b>
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @version 1.0.0
|
||||
*
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/**@{*/
|
||||
|
||||
#if defined(STM32F1)
|
||||
# include <libopencm3/ethernet/mac_stm32fxx7.h>
|
||||
#elif defined(STM32F4)
|
||||
# include <libopencm3/ethernet/mac_stm32fxx7.h>
|
||||
#else
|
||||
# error "stm32 family not defined."
|
||||
#endif
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
||||
/** @defgroup ethernet_mac_defines MAC Generic Defines
|
||||
*
|
||||
* @brief <b>Defined Constants and Types for the Ethernet MAC</b>
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @version 1.0.0
|
||||
*
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/**@{*/
|
||||
|
||||
#if defined(STM32F1)
|
||||
# include <libopencm3/ethernet/mac_stm32fxx7.h>
|
||||
#elif defined(STM32F4)
|
||||
# include <libopencm3/ethernet/mac_stm32fxx7.h>
|
||||
#else
|
||||
# error "stm32 family not defined."
|
||||
#endif
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
/** @defgroup ethernet_mac_stm32fxx7_defines MAC STM32Fxx7 Defines
|
||||
*
|
||||
* @brief <b>Defined Constants and Types for the Ethernet MAC for STM32Fxx7
|
||||
* @brief <b>Defined Constants and Types for the Ethernet MAC for STM32Fxx7
|
||||
* chips</b>
|
||||
*
|
||||
* @ingroup ETH
|
||||
|
@ -12,10 +12,10 @@
|
|||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
|
@ -36,8 +36,8 @@
|
|||
#define LIBOPENCM3_ETHERNET_H
|
||||
|
||||
#include <libopencm3/stm32/memorymap.h>
|
||||
#include <libopencm3/cm3/common.h>
|
||||
|
||||
#include <libopencm3/cm3/common.h>
|
||||
|
||||
/**@{*/
|
||||
|
||||
/* Ethernet MAC registers */
|
||||
|
@ -746,8 +746,7 @@ END_DECLS
|
|||
* for (;;)
|
||||
* eth_tx(frame,sizeof(frame));
|
||||
*/
|
||||
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
@ -11,10 +11,10 @@
|
|||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
|
@ -29,12 +29,12 @@
|
|||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
*/
|
||||
#ifndef LIBOPENCM3_PHY_H
|
||||
#define LIBOPENCM3_PHY_H
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
/**@{*/
|
||||
|
||||
/* Registers */
|
||||
|
@ -83,8 +83,8 @@ bool phy_link_isup(void);
|
|||
enum phy_status phy_link_status(void);
|
||||
|
||||
void phy_autoneg_force(enum phy_status mode);
|
||||
void phy_autoneg_enable(void);
|
||||
|
||||
void phy_autoneg_enable(void);
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
/** @defgroup ethernet_phy_ksz8051mll_defines PHY KSZ8051mll Defines
|
||||
*
|
||||
* @brief <b>Defined Constants and Types for the Ethernet PHY KSZ8051mll
|
||||
* @brief <b>Defined Constants and Types for the Ethernet PHY KSZ8051mll
|
||||
* chips</b>
|
||||
*
|
||||
* @ingroup ETH
|
||||
|
@ -12,10 +12,10 @@
|
|||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
|
@ -30,13 +30,13 @@
|
|||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
*/
|
||||
|
||||
#ifndef LIBOPENCM3_PHY_KSZ8051MLL_H
|
||||
#define LIBOPENCM3_PHY_KSZ8051MLL_H
|
||||
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
|
||||
|
||||
/**@{*/
|
||||
|
||||
/* Registers */
|
||||
|
@ -52,8 +52,8 @@
|
|||
#define PHY_REG_LINKMD 0x1D
|
||||
|
||||
#define PHY_REG_CR1 0x1E
|
||||
#define PHY_REG_CR2 0x1E
|
||||
|
||||
#define PHY_REG_CR2 0x1E
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
||||
|
|
|
@ -483,7 +483,7 @@ LGPL License Terms @ref lgpl_license
|
|||
#define SGPIO_MUX_CFGx_CLK_SOURCE_SLICE_MODE_SHIFT (3)
|
||||
#define SGPIO_MUX_CFGx_CLK_SOURCE_SLICE_MODE_MASK \
|
||||
(0x3 << SGPIO_MUX_CFGx_CLK_SOURCE_SLICE_MODE_SHIFT)
|
||||
#define SGPIO_MUX_CFGx_CLK_SOURCE_SLICE_MODE(x)
|
||||
#define SGPIO_MUX_CFGx_CLK_SOURCE_SLICE_MODE(x)
|
||||
((x) << SGPIO_MUX_CFGx_CLK_SOURCE_SLICE_MODE_SHIFT)
|
||||
|
||||
/* QUALIFIER_MODE: Select qualifier mode */
|
||||
|
@ -684,7 +684,7 @@ typedef struct {
|
|||
} sgpio_t;
|
||||
|
||||
/* Global access to SGPIO structure */
|
||||
#define SGPIO ((sgpio_t*)SGPIO_PORT_BASE)
|
||||
#define SGPIO ((sgpio_t *)SGPIO_PORT_BASE)
|
||||
|
||||
/**@}*/
|
||||
|
||||
|
|
|
@ -29,7 +29,7 @@
|
|||
|
||||
#ifndef LIBOPENCM3_RCC_COMMON_ALL_H
|
||||
#define LIBOPENCM3_RCC_COMMON_ALL_H
|
||||
|
||||
|
||||
BEGIN_DECLS
|
||||
|
||||
void rcc_peripheral_enable_clock(volatile uint32_t *reg, uint32_t en);
|
||||
|
|
|
@ -622,7 +622,7 @@ injected channels.
|
|||
#define ADC_JSQR_JSQ2_MSK (0x1f << ADC_JSQR_JSQ2_LSB)
|
||||
#define ADC_JSQR_JSQ1_MSK (0x1f << ADC_JSQR_JSQ1_LSB)
|
||||
|
||||
#define ADC_JSQR_JSQ_VAL(n,val) ((val) << (((n) - 1) * 5))
|
||||
#define ADC_JSQR_JSQ_VAL(n, val) ((val) << (((n) - 1) * 5))
|
||||
#define ADC_JSQR_JL_VAL(val) (((val) - 1) << ADC_JSQR_JL_SHIFT)
|
||||
|
||||
/* --- ADC_JDRx, ADC_DR values --------------------------------------------- */
|
||||
|
|
|
@ -519,7 +519,7 @@ enum rcc_periph_clken {
|
|||
RCC_ETHMAC = _REG_BIT(0x14, 14),/*--C*/
|
||||
RCC_ETHMACTX = _REG_BIT(0x14, 15),/*--C*/
|
||||
RCC_ETHMACRX = _REG_BIT(0x14, 16),/*--C*/
|
||||
|
||||
|
||||
/* APB2 peripherals */
|
||||
RCC_AFIO = _REG_BIT(0x18, 0),/*VNC*/
|
||||
RCC_GPIOA = _REG_BIT(0x18, 2),/*VNC*/
|
||||
|
@ -542,7 +542,7 @@ enum rcc_periph_clken {
|
|||
RCC_TIM9 = _REG_BIT(0x18, 19),/*-N-*/
|
||||
RCC_TIM10 = _REG_BIT(0x18, 20),/*-N-*/
|
||||
RCC_TIM11 = _REG_BIT(0x18, 21),/*-N-*/
|
||||
|
||||
|
||||
/* APB1 peripherals */
|
||||
RCC_TIM2 = _REG_BIT(0x1C, 0),/*VNC*/
|
||||
RCC_TIM3 = _REG_BIT(0x1C, 1),/*VNC*/
|
||||
|
@ -600,7 +600,7 @@ enum rcc_periph_rst {
|
|||
RST_TIM9 = _REG_BIT(0x0c, 19),/*-N-*/
|
||||
RST_TIM10 = _REG_BIT(0x0c, 20),/*-N-*/
|
||||
RST_TIM11 = _REG_BIT(0x0c, 21),/*-N-*/
|
||||
|
||||
|
||||
/* APB1 peripherals */
|
||||
RST_TIM2 = _REG_BIT(0x10, 0),/*VNC*/
|
||||
RST_TIM3 = _REG_BIT(0x10, 1),/*VNC*/
|
||||
|
|
|
@ -628,7 +628,7 @@
|
|||
#define ADC_JSQR_JSQ2_LSB 14
|
||||
#define ADC_JSQR_JSQ1_LSB 8
|
||||
|
||||
#define ADC_JSQR_JSQ_VAL(n,val) ((val) << (((n) - 1) * 6 + 8))
|
||||
#define ADC_JSQR_JSQ_VAL(n, val) ((val) << (((n) - 1) * 6 + 8))
|
||||
#define ADC_JSQR_JL_VAL(val) (((val) - 1) << ADC_JSQR_JL_SHIFT)
|
||||
|
||||
/* Bits 30:26 JSQ4[4:0]: 4th conversion in the injected sequence */
|
||||
|
|
|
@ -587,7 +587,7 @@ injected channels.
|
|||
#define ADC_JSQR_JSQ2_MSK (0x1f << ADC_JSQR_JSQ2_LSB)
|
||||
#define ADC_JSQR_JSQ1_MSK (0x1f << ADC_JSQR_JSQ1_LSB)
|
||||
|
||||
#define ADC_JSQR_JSQ_VAL(n,val) ((val) << (((n) - 1) * 5))
|
||||
#define ADC_JSQR_JSQ_VAL(n, val) ((val) << (((n) - 1) * 5))
|
||||
#define ADC_JSQR_JL_VAL(val) (((val) - 1) << ADC_JSQR_JL_SHIFT)
|
||||
|
||||
/* --- ADC_JDRx, ADC_DR values --------------------------------------------- */
|
||||
|
|
|
@ -530,7 +530,7 @@ enum rcc_periph_clken {
|
|||
RCC_TIM12 = _REG_BIT(0x40, 6),
|
||||
RCC_TIM13 = _REG_BIT(0x40, 7),
|
||||
RCC_TIM14 = _REG_BIT(0x40, 8),
|
||||
RCC_WWDG = _REG_BIT(0x40, 11),
|
||||
RCC_WWDG = _REG_BIT(0x40, 11),
|
||||
RCC_SPI2 = _REG_BIT(0x40, 14),
|
||||
RCC_SPI3 = _REG_BIT(0x40, 15),
|
||||
RCC_USART2 = _REG_BIT(0x40, 17),
|
||||
|
@ -613,7 +613,7 @@ enum rcc_periph_clken {
|
|||
SCC_TIM12 = _REG_BIT(0x60, 6),
|
||||
SCC_TIM13 = _REG_BIT(0x60, 7),
|
||||
SCC_TIM14 = _REG_BIT(0x60, 8),
|
||||
SCC_WWDG = _REG_BIT(0x60, 11),
|
||||
SCC_WWDG = _REG_BIT(0x60, 11),
|
||||
SCC_SPI2 = _REG_BIT(0x60, 14),
|
||||
SCC_SPI3 = _REG_BIT(0x60, 15),
|
||||
SCC_USART2 = _REG_BIT(0x60, 17),
|
||||
|
@ -686,7 +686,7 @@ enum rcc_periph_rst {
|
|||
RST_TIM12 = _REG_BIT(0x20, 6),
|
||||
RST_TIM13 = _REG_BIT(0x20, 7),
|
||||
RST_TIM14 = _REG_BIT(0x20, 8),
|
||||
RST_WWDG = _REG_BIT(0x20, 11),
|
||||
RST_WWDG = _REG_BIT(0x20, 11),
|
||||
RST_SPI2 = _REG_BIT(0x20, 14),
|
||||
RST_SPI3 = _REG_BIT(0x20, 15),
|
||||
RST_USART2 = _REG_BIT(0x20, 17),
|
||||
|
|
|
@ -439,7 +439,7 @@ enum rcc_periph_clken {
|
|||
RCC_DMA2 = _REG_BIT(0x1c, 25),
|
||||
RCC_AES = _REG_BIT(0x1c, 27),
|
||||
RCC_FSMC = _REG_BIT(0x1c, 30),
|
||||
|
||||
|
||||
/* APB2 peripherals */
|
||||
RCC_SYSCFG = _REG_BIT(0x20, 0),
|
||||
RCC_TIM9 = _REG_BIT(0x20, 2),
|
||||
|
@ -488,7 +488,7 @@ enum rcc_periph_clken {
|
|||
SCC_DMA2 = _REG_BIT(0x28, 25),
|
||||
SCC_AES = _REG_BIT(0x28, 27),
|
||||
SCC_FSMC = _REG_BIT(0x28, 30),
|
||||
|
||||
|
||||
/* APB2 peripherals */
|
||||
SCC_SYSCFG = _REG_BIT(0x2c, 0),
|
||||
SCC_TIM9 = _REG_BIT(0x2c, 2),
|
||||
|
@ -538,7 +538,7 @@ enum rcc_periph_rst {
|
|||
RST_DMA2 = _REG_BIT(0x10, 25),
|
||||
RST_AES = _REG_BIT(0x10, 27),
|
||||
RST_FSMC = _REG_BIT(0x10, 30),
|
||||
|
||||
|
||||
/* APB2 peripherals */
|
||||
RST_SYSCFG = _REG_BIT(0x14, 0),
|
||||
RST_TIM9 = _REG_BIT(0x14, 2),
|
||||
|
|
|
@ -37,7 +37,7 @@ bool dwt_enable_cycle_counter(void)
|
|||
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
/* Note TRCENA is for 7M and above*/
|
||||
SCS_DEMCR |= SCS_DEMCR_TRCENA;
|
||||
SCS_DEMCR |= SCS_DEMCR_TRCENA;
|
||||
if (DWT_CTRL & DWT_CTRL_NOCYCCNT) {
|
||||
return false; /* Not supported in implementation */
|
||||
}
|
||||
|
|
|
@ -164,7 +164,7 @@ void nvic_set_priority(uint8_t irqn, uint8_t priority)
|
|||
}
|
||||
|
||||
/* Those are defined only on CM3 or CM4 */
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief NVIC Return Active Interrupt
|
||||
*
|
||||
|
|
|
@ -22,7 +22,7 @@
|
|||
#include <libopencm3/cm3/scb.h>
|
||||
|
||||
/* Those are defined only on CM3 or CM4 */
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
void scb_reset_core(void)
|
||||
{
|
||||
SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_VECTRESET;
|
||||
|
@ -39,7 +39,7 @@ void scb_reset_system(void)
|
|||
}
|
||||
|
||||
/* Those are defined only on CM3 or CM4 */
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
void scb_set_priority_grouping(uint32_t prigroup)
|
||||
{
|
||||
SCB_AIRCR = SCB_AIRCR_VECTKEY | prigroup;
|
||||
|
|
|
@ -44,7 +44,7 @@ vector_table_t vector_table = {
|
|||
.hard_fault = hard_fault_handler,
|
||||
|
||||
/* Those are defined only on CM3 or CM4 */
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
.memory_manage_fault = mem_manage_handler,
|
||||
.bus_fault = bus_fault_handler,
|
||||
.usage_fault = usage_fault_handler,
|
||||
|
@ -112,7 +112,7 @@ void null_handler(void)
|
|||
#pragma weak sys_tick_handler = null_handler
|
||||
|
||||
/* Those are defined only on CM3 or CM4 */
|
||||
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
|
||||
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
|
||||
#pragma weak mem_manage_handler = blocking_handler
|
||||
#pragma weak bus_fault_handler = blocking_handler
|
||||
#pragma weak usage_fault_handler = blocking_handler
|
||||
|
|
|
@ -1,378 +1,378 @@
|
|||
/** @defgroup ethernet_mac_stm32fxx7_file MAC STM32Fxx7
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @brief <b>Ethernet MAC STM32Fxx7 Drivers</b>
|
||||
*
|
||||
* @version 1.0.0
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include <libopencm3/ethernet/mac.h>
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
#include <libopencm3/stm32/gpio.h>
|
||||
#include <libopencm3/cm3/nvic.h>
|
||||
|
||||
/**@{*/
|
||||
|
||||
uint32_t TxBD;
|
||||
uint32_t RxBD;
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Set MAC to the PHY
|
||||
*
|
||||
* @param[in] mac uint8_t* Desired MAC
|
||||
*/
|
||||
void eth_set_mac(uint8_t *mac)
|
||||
{
|
||||
ETH_MACAHR(0) = ((uint32_t)mac[5] << 8) | (uint32_t)mac[4] |
|
||||
ETH_MACA0HR_MACA0H;
|
||||
ETH_MACALR(0) = ((uint32_t)mac[3] << 24) | ((uint32_t)mac[2] << 16) |
|
||||
((uint32_t)mac[1] << 8) | mac[0];
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Initialize descriptors
|
||||
*
|
||||
* @param[in] buf uint8_t* Buffer for the descriptors
|
||||
* @param[in] nTx uint32_t Count of Transmit Descriptors
|
||||
* @param[in] nRx uint32_t Count of Receive Descriptors
|
||||
* @param[in] cTx uint32_t Bytes in each Transmit Descriptor
|
||||
* @param[in] cRx uint32_t Bytes in each Receive Descriptor
|
||||
* @param[in] isext bool true, if extended descriptors should be used
|
||||
*/
|
||||
void eth_desc_init(uint8_t *buf, uint32_t nTx, uint32_t nRx, uint32_t cTx,
|
||||
uint32_t cRx, bool isext)
|
||||
{
|
||||
memset(buf, 0, nTx * cTx + nRx * cRx);
|
||||
|
||||
uint32_t bd = (uint32_t)buf;
|
||||
uint32_t sz = isext ? ETH_DES_EXT_SIZE : ETH_DES_STD_SIZE;
|
||||
|
||||
/* enable / disable extended frames */
|
||||
if (isext) {
|
||||
ETH_DMABMR |= ETH_DMABMR_EDFE;
|
||||
} else {
|
||||
ETH_DMABMR &= ~ETH_DMABMR_EDFE;
|
||||
}
|
||||
|
||||
TxBD = bd;
|
||||
while (--nTx > 0) {
|
||||
ETH_DES0(bd) = ETH_TDES0_TCH;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = bd + sz + cTx;
|
||||
bd = ETH_DES3(bd);
|
||||
}
|
||||
|
||||
ETH_DES0(bd) = ETH_TDES0_TCH;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = TxBD;
|
||||
bd += sz + cTx;
|
||||
|
||||
RxBD = bd;
|
||||
while (--nRx > 0) {
|
||||
ETH_DES0(bd) = ETH_RDES0_OWN;
|
||||
ETH_DES1(bd) = ETH_RDES1_RCH | cRx;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = bd + sz + cRx;
|
||||
bd = ETH_DES3(bd);
|
||||
}
|
||||
|
||||
ETH_DES0(bd) = ETH_RDES0_OWN;
|
||||
ETH_DES1(bd) = ETH_RDES1_RCH | cRx;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = RxBD;
|
||||
|
||||
ETH_DMARDLAR = (uint32_t) RxBD;
|
||||
ETH_DMATDLAR = (uint32_t) TxBD;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Transmit packet
|
||||
*
|
||||
* @param[in] ppkt uint8_t* Pointer to the beginning of the packet
|
||||
* @param[in] n uint32_t Size of the packet
|
||||
* @returns bool true, if success
|
||||
*/
|
||||
bool eth_tx(uint8_t *ppkt, uint32_t n)
|
||||
{
|
||||
if (ETH_DES0(TxBD) & ETH_TDES0_OWN) {
|
||||
return false;
|
||||
}
|
||||
|
||||
memcpy((void *)ETH_DES2(TxBD), ppkt, n);
|
||||
|
||||
ETH_DES1(TxBD) = n & ETH_TDES1_TBS1;
|
||||
ETH_DES0(TxBD) |= ETH_TDES0_LS | ETH_TDES0_FS | ETH_TDES0_OWN;
|
||||
TxBD = ETH_DES3(TxBD);
|
||||
|
||||
if (ETH_DMASR & ETH_DMASR_TBUS) {
|
||||
ETH_DMASR = ETH_DMASR_TBUS;
|
||||
ETH_DMATPDR = 0;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Receive packet
|
||||
*
|
||||
* @param[inout] ppkt uint8_t* Pointer to the data buffer where to store data
|
||||
* @param[inout] len uint32_t* Pointer to the variable with the packet length
|
||||
* @param[in] maxlen uint32_t Maximum length of the packet
|
||||
* @returns bool true, if the buffer contains readed packet data
|
||||
*/
|
||||
bool eth_rx(uint8_t *ppkt, uint32_t *len, uint32_t maxlen)
|
||||
{
|
||||
bool fs = false;
|
||||
bool ls = false;
|
||||
bool overrun = false;
|
||||
uint32_t l = 0;
|
||||
|
||||
while (!(ETH_DES0(RxBD) & ETH_RDES0_OWN) && !ls) {
|
||||
l = (ETH_DES0(RxBD) & ETH_RDES0_FL) >> ETH_RDES0_FL_SHIFT;
|
||||
|
||||
fs |= ETH_DES0(RxBD) & ETH_RDES0_FS;
|
||||
ls |= ETH_DES0(RxBD) & ETH_RDES0_LS;
|
||||
/* frame buffer overrun ?*/
|
||||
overrun |= fs && (maxlen < l);
|
||||
|
||||
if (fs && !overrun) {
|
||||
memcpy(ppkt, (void *)ETH_DES2(RxBD), l);
|
||||
ppkt += l;
|
||||
*len += l;
|
||||
maxlen -= l;
|
||||
}
|
||||
|
||||
ETH_DES0(RxBD) = ETH_RDES0_OWN;
|
||||
RxBD = ETH_DES3(RxBD);
|
||||
}
|
||||
|
||||
if (ETH_DMASR & ETH_DMASR_RBUS) {
|
||||
ETH_DMASR = ETH_DMASR_RBUS;
|
||||
ETH_DMARPDR = 0;
|
||||
}
|
||||
|
||||
return fs && ls && !overrun;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Start the Ethernet DMA processing
|
||||
*/
|
||||
void eth_start(void)
|
||||
{
|
||||
ETH_MACCR |= ETH_MACCR_TE;
|
||||
ETH_DMAOMR |= ETH_DMAOMR_FTF;
|
||||
ETH_MACCR |= ETH_MACCR_RE;
|
||||
|
||||
ETH_DMAOMR |= ETH_DMAOMR_ST;
|
||||
ETH_DMAOMR |= ETH_DMAOMR_SR;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Initialize ethernet
|
||||
*
|
||||
* This function will initialize ethernet, set up clocks, and initialize DMA.
|
||||
*
|
||||
* @param[in] clock enum eth_clk Core clock speed
|
||||
*/
|
||||
void eth_init(enum eth_clk clock)
|
||||
{
|
||||
ETH_MACMIIAR = clock;
|
||||
phy_reset();
|
||||
|
||||
ETH_MACCR = ETH_MACCR_CSTF | ETH_MACCR_FES | ETH_MACCR_DM |
|
||||
ETH_MACCR_APCS | ETH_MACCR_RD;
|
||||
ETH_MACFFR = ETH_MACFFR_RA | ETH_MACFFR_PM;
|
||||
ETH_MACHTHR = 0; /* pass all frames */
|
||||
ETH_MACHTLR = 0;
|
||||
ETH_MACFCR = (0x100 << ETH_MACFCR_PT_SHIFT);
|
||||
ETH_MACVLANTR = 0;
|
||||
ETH_DMAOMR = ETH_DMAOMR_DTCEFD | ETH_DMAOMR_RSF | ETH_DMAOMR_DFRF |
|
||||
ETH_DMAOMR_TSF | ETH_DMAOMR_FEF | ETH_DMAOMR_OSF;
|
||||
ETH_DMABMR = ETH_DMABMR_AAB | ETH_DMABMR_FB |
|
||||
(32 << ETH_DMABMR_RDP_SHIFT) | (32 << ETH_DMABMR_PBL_SHIFT) |
|
||||
ETH_DMABMR_PM_2_1 | ETH_DMABMR_USP;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Enable the Ethernet IRQ
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq will be enabled
|
||||
*/
|
||||
void eth_irq_enable(uint32_t reason)
|
||||
{
|
||||
ETH_DMAIER |= reason;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Disable the Ethernet IRQ
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq will be disabled
|
||||
*/
|
||||
void eth_irq_disable(uint32_t reason)
|
||||
{
|
||||
ETH_DMAIER &= ~reason;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Check if IRQ is pending
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq type has to be tested
|
||||
* @returns bool true, if IRQ is pending
|
||||
*/
|
||||
bool eth_irq_is_pending(uint32_t reason)
|
||||
{
|
||||
return (ETH_DMASR & reason) != 0;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Check if IRQ is pending, and acknowledge it
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq type has to be tested
|
||||
* @returns bool true, if IRQ is pending
|
||||
*/
|
||||
bool eth_irq_ack_pending(uint32_t reason)
|
||||
{
|
||||
reason &= ETH_DMASR;
|
||||
ETH_DMASR = reason;
|
||||
return reason != 0;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Enable checksum offload feature
|
||||
*
|
||||
* This function will enable the Checksum offload feature for all of the
|
||||
* transmit descriptors. Note to use this feature, descriptors must be in
|
||||
* extended format.
|
||||
*/
|
||||
void eth_enable_checksum_offload(void)
|
||||
{
|
||||
uint32_t tab = TxBD;
|
||||
do {
|
||||
ETH_DES0(tab) |= ETH_TDES0_CIC_IPPLPH;
|
||||
tab = ETH_DES3(tab);
|
||||
}
|
||||
while (tab != TxBD);
|
||||
|
||||
ETH_MACCR |= ETH_MACCR_IPCO;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Process pending SMI transaction and wait to be done.
|
||||
*/
|
||||
static void eth_smi_transact(void)
|
||||
{
|
||||
/* Begin transaction. */
|
||||
ETH_MACMIIAR |= ETH_MACMIIAR_MB;
|
||||
|
||||
/* Wait for not busy. */
|
||||
while (ETH_MACMIIAR & ETH_MACMIIAR_MB);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Write 16-bit register to the PHY
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] data uint16_t Data to write
|
||||
*/
|
||||
void eth_smi_write(uint8_t phy, uint8_t reg, uint16_t data)
|
||||
{
|
||||
/* Write operation MW=1*/
|
||||
ETH_MACMIIAR = (ETH_MACMIIAR & ETH_MACMIIAR_CR) | /* save clocks */
|
||||
(phy << ETH_MACMIIAR_PA_SHIFT) |
|
||||
(reg << ETH_MACMIIAR_MR_SHIFT) |
|
||||
ETH_MACMIIAR_MW;
|
||||
|
||||
ETH_MACMIIDR = data & ETH_MACMIIDR_MD;
|
||||
|
||||
eth_smi_transact();
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Read the 16-bit register from the PHY
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @returns uint16_t Readed data
|
||||
*/
|
||||
uint16_t eth_smi_read(uint8_t phy, uint8_t reg)
|
||||
{
|
||||
/* Read operation MW=0*/
|
||||
ETH_MACMIIAR = (ETH_MACMIIAR & ETH_MACMIIAR_CR) | /* save clocks */
|
||||
(phy << ETH_MACMIIAR_PA_SHIFT) |
|
||||
(reg << ETH_MACMIIAR_MR_SHIFT);
|
||||
|
||||
eth_smi_transact();
|
||||
|
||||
return (uint16_t)(ETH_MACMIIDR & ETH_MACMIIDR_MD);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Process the bit-operation on PHY register
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] bits uint16_t Bits that have to be set (or'ed)
|
||||
* @param[in] mask uint16_t Bits that have to be clear (and'ed)
|
||||
*/
|
||||
void eth_smi_bit_op(uint8_t phy, uint8_t reg, uint16_t bits, uint16_t mask)
|
||||
{
|
||||
uint16_t val = eth_smi_read(phy, reg);
|
||||
eth_smi_write(phy, reg, (val & mask) | bits);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Clear bits in the register
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] clearbits uint16_t Bits that have to be cleared
|
||||
*/
|
||||
void eth_smi_bit_clear(uint8_t phy, uint8_t reg, uint16_t clearbits)
|
||||
{
|
||||
uint16_t val = eth_smi_read(phy, reg);
|
||||
eth_smi_write(phy, reg, val & (uint16_t)~(clearbits));
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Set bits in the register
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] bits uint16_t Bits that have to be set (or'ed)
|
||||
*/
|
||||
void eth_smi_bit_set(uint8_t phy, uint8_t reg, uint16_t setbits)
|
||||
{
|
||||
uint16_t val = eth_smi_read(phy, reg);
|
||||
eth_smi_write(phy, reg, val | setbits);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/**@}*/
|
||||
/** @defgroup ethernet_mac_stm32fxx7_file MAC STM32Fxx7
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @brief <b>Ethernet MAC STM32Fxx7 Drivers</b>
|
||||
*
|
||||
* @version 1.0.0
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include <libopencm3/ethernet/mac.h>
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
#include <libopencm3/stm32/gpio.h>
|
||||
#include <libopencm3/cm3/nvic.h>
|
||||
|
||||
/**@{*/
|
||||
|
||||
uint32_t TxBD;
|
||||
uint32_t RxBD;
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Set MAC to the PHY
|
||||
*
|
||||
* @param[in] mac uint8_t* Desired MAC
|
||||
*/
|
||||
void eth_set_mac(uint8_t *mac)
|
||||
{
|
||||
ETH_MACAHR(0) = ((uint32_t)mac[5] << 8) | (uint32_t)mac[4] |
|
||||
ETH_MACA0HR_MACA0H;
|
||||
ETH_MACALR(0) = ((uint32_t)mac[3] << 24) | ((uint32_t)mac[2] << 16) |
|
||||
((uint32_t)mac[1] << 8) | mac[0];
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Initialize descriptors
|
||||
*
|
||||
* @param[in] buf uint8_t* Buffer for the descriptors
|
||||
* @param[in] nTx uint32_t Count of Transmit Descriptors
|
||||
* @param[in] nRx uint32_t Count of Receive Descriptors
|
||||
* @param[in] cTx uint32_t Bytes in each Transmit Descriptor
|
||||
* @param[in] cRx uint32_t Bytes in each Receive Descriptor
|
||||
* @param[in] isext bool true, if extended descriptors should be used
|
||||
*/
|
||||
void eth_desc_init(uint8_t *buf, uint32_t nTx, uint32_t nRx, uint32_t cTx,
|
||||
uint32_t cRx, bool isext)
|
||||
{
|
||||
memset(buf, 0, nTx * cTx + nRx * cRx);
|
||||
|
||||
uint32_t bd = (uint32_t)buf;
|
||||
uint32_t sz = isext ? ETH_DES_EXT_SIZE : ETH_DES_STD_SIZE;
|
||||
|
||||
/* enable / disable extended frames */
|
||||
if (isext) {
|
||||
ETH_DMABMR |= ETH_DMABMR_EDFE;
|
||||
} else {
|
||||
ETH_DMABMR &= ~ETH_DMABMR_EDFE;
|
||||
}
|
||||
|
||||
TxBD = bd;
|
||||
while (--nTx > 0) {
|
||||
ETH_DES0(bd) = ETH_TDES0_TCH;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = bd + sz + cTx;
|
||||
bd = ETH_DES3(bd);
|
||||
}
|
||||
|
||||
ETH_DES0(bd) = ETH_TDES0_TCH;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = TxBD;
|
||||
bd += sz + cTx;
|
||||
|
||||
RxBD = bd;
|
||||
while (--nRx > 0) {
|
||||
ETH_DES0(bd) = ETH_RDES0_OWN;
|
||||
ETH_DES1(bd) = ETH_RDES1_RCH | cRx;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = bd + sz + cRx;
|
||||
bd = ETH_DES3(bd);
|
||||
}
|
||||
|
||||
ETH_DES0(bd) = ETH_RDES0_OWN;
|
||||
ETH_DES1(bd) = ETH_RDES1_RCH | cRx;
|
||||
ETH_DES2(bd) = bd + sz;
|
||||
ETH_DES3(bd) = RxBD;
|
||||
|
||||
ETH_DMARDLAR = (uint32_t) RxBD;
|
||||
ETH_DMATDLAR = (uint32_t) TxBD;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Transmit packet
|
||||
*
|
||||
* @param[in] ppkt uint8_t* Pointer to the beginning of the packet
|
||||
* @param[in] n uint32_t Size of the packet
|
||||
* @returns bool true, if success
|
||||
*/
|
||||
bool eth_tx(uint8_t *ppkt, uint32_t n)
|
||||
{
|
||||
if (ETH_DES0(TxBD) & ETH_TDES0_OWN) {
|
||||
return false;
|
||||
}
|
||||
|
||||
memcpy((void *)ETH_DES2(TxBD), ppkt, n);
|
||||
|
||||
ETH_DES1(TxBD) = n & ETH_TDES1_TBS1;
|
||||
ETH_DES0(TxBD) |= ETH_TDES0_LS | ETH_TDES0_FS | ETH_TDES0_OWN;
|
||||
TxBD = ETH_DES3(TxBD);
|
||||
|
||||
if (ETH_DMASR & ETH_DMASR_TBUS) {
|
||||
ETH_DMASR = ETH_DMASR_TBUS;
|
||||
ETH_DMATPDR = 0;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Receive packet
|
||||
*
|
||||
* @param[inout] ppkt uint8_t* Pointer to the data buffer where to store data
|
||||
* @param[inout] len uint32_t* Pointer to the variable with the packet length
|
||||
* @param[in] maxlen uint32_t Maximum length of the packet
|
||||
* @returns bool true, if the buffer contains readed packet data
|
||||
*/
|
||||
bool eth_rx(uint8_t *ppkt, uint32_t *len, uint32_t maxlen)
|
||||
{
|
||||
bool fs = false;
|
||||
bool ls = false;
|
||||
bool overrun = false;
|
||||
uint32_t l = 0;
|
||||
|
||||
while (!(ETH_DES0(RxBD) & ETH_RDES0_OWN) && !ls) {
|
||||
l = (ETH_DES0(RxBD) & ETH_RDES0_FL) >> ETH_RDES0_FL_SHIFT;
|
||||
|
||||
fs |= ETH_DES0(RxBD) & ETH_RDES0_FS;
|
||||
ls |= ETH_DES0(RxBD) & ETH_RDES0_LS;
|
||||
/* frame buffer overrun ?*/
|
||||
overrun |= fs && (maxlen < l);
|
||||
|
||||
if (fs && !overrun) {
|
||||
memcpy(ppkt, (void *)ETH_DES2(RxBD), l);
|
||||
ppkt += l;
|
||||
*len += l;
|
||||
maxlen -= l;
|
||||
}
|
||||
|
||||
ETH_DES0(RxBD) = ETH_RDES0_OWN;
|
||||
RxBD = ETH_DES3(RxBD);
|
||||
}
|
||||
|
||||
if (ETH_DMASR & ETH_DMASR_RBUS) {
|
||||
ETH_DMASR = ETH_DMASR_RBUS;
|
||||
ETH_DMARPDR = 0;
|
||||
}
|
||||
|
||||
return fs && ls && !overrun;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Start the Ethernet DMA processing
|
||||
*/
|
||||
void eth_start(void)
|
||||
{
|
||||
ETH_MACCR |= ETH_MACCR_TE;
|
||||
ETH_DMAOMR |= ETH_DMAOMR_FTF;
|
||||
ETH_MACCR |= ETH_MACCR_RE;
|
||||
|
||||
ETH_DMAOMR |= ETH_DMAOMR_ST;
|
||||
ETH_DMAOMR |= ETH_DMAOMR_SR;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Initialize ethernet
|
||||
*
|
||||
* This function will initialize ethernet, set up clocks, and initialize DMA.
|
||||
*
|
||||
* @param[in] clock enum eth_clk Core clock speed
|
||||
*/
|
||||
void eth_init(enum eth_clk clock)
|
||||
{
|
||||
ETH_MACMIIAR = clock;
|
||||
phy_reset();
|
||||
|
||||
ETH_MACCR = ETH_MACCR_CSTF | ETH_MACCR_FES | ETH_MACCR_DM |
|
||||
ETH_MACCR_APCS | ETH_MACCR_RD;
|
||||
ETH_MACFFR = ETH_MACFFR_RA | ETH_MACFFR_PM;
|
||||
ETH_MACHTHR = 0; /* pass all frames */
|
||||
ETH_MACHTLR = 0;
|
||||
ETH_MACFCR = (0x100 << ETH_MACFCR_PT_SHIFT);
|
||||
ETH_MACVLANTR = 0;
|
||||
ETH_DMAOMR = ETH_DMAOMR_DTCEFD | ETH_DMAOMR_RSF | ETH_DMAOMR_DFRF |
|
||||
ETH_DMAOMR_TSF | ETH_DMAOMR_FEF | ETH_DMAOMR_OSF;
|
||||
ETH_DMABMR = ETH_DMABMR_AAB | ETH_DMABMR_FB |
|
||||
(32 << ETH_DMABMR_RDP_SHIFT) | (32 << ETH_DMABMR_PBL_SHIFT) |
|
||||
ETH_DMABMR_PM_2_1 | ETH_DMABMR_USP;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Enable the Ethernet IRQ
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq will be enabled
|
||||
*/
|
||||
void eth_irq_enable(uint32_t reason)
|
||||
{
|
||||
ETH_DMAIER |= reason;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Disable the Ethernet IRQ
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq will be disabled
|
||||
*/
|
||||
void eth_irq_disable(uint32_t reason)
|
||||
{
|
||||
ETH_DMAIER &= ~reason;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Check if IRQ is pending
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq type has to be tested
|
||||
* @returns bool true, if IRQ is pending
|
||||
*/
|
||||
bool eth_irq_is_pending(uint32_t reason)
|
||||
{
|
||||
return (ETH_DMASR & reason) != 0;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Check if IRQ is pending, and acknowledge it
|
||||
*
|
||||
* @param[in] reason uint32_t Which irq type has to be tested
|
||||
* @returns bool true, if IRQ is pending
|
||||
*/
|
||||
bool eth_irq_ack_pending(uint32_t reason)
|
||||
{
|
||||
reason &= ETH_DMASR;
|
||||
ETH_DMASR = reason;
|
||||
return reason != 0;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Enable checksum offload feature
|
||||
*
|
||||
* This function will enable the Checksum offload feature for all of the
|
||||
* transmit descriptors. Note to use this feature, descriptors must be in
|
||||
* extended format.
|
||||
*/
|
||||
void eth_enable_checksum_offload(void)
|
||||
{
|
||||
uint32_t tab = TxBD;
|
||||
do {
|
||||
ETH_DES0(tab) |= ETH_TDES0_CIC_IPPLPH;
|
||||
tab = ETH_DES3(tab);
|
||||
}
|
||||
while (tab != TxBD);
|
||||
|
||||
ETH_MACCR |= ETH_MACCR_IPCO;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Process pending SMI transaction and wait to be done.
|
||||
*/
|
||||
static void eth_smi_transact(void)
|
||||
{
|
||||
/* Begin transaction. */
|
||||
ETH_MACMIIAR |= ETH_MACMIIAR_MB;
|
||||
|
||||
/* Wait for not busy. */
|
||||
while (ETH_MACMIIAR & ETH_MACMIIAR_MB);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Write 16-bit register to the PHY
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] data uint16_t Data to write
|
||||
*/
|
||||
void eth_smi_write(uint8_t phy, uint8_t reg, uint16_t data)
|
||||
{
|
||||
/* Write operation MW=1*/
|
||||
ETH_MACMIIAR = (ETH_MACMIIAR & ETH_MACMIIAR_CR) | /* save clocks */
|
||||
(phy << ETH_MACMIIAR_PA_SHIFT) |
|
||||
(reg << ETH_MACMIIAR_MR_SHIFT) |
|
||||
ETH_MACMIIAR_MW;
|
||||
|
||||
ETH_MACMIIDR = data & ETH_MACMIIDR_MD;
|
||||
|
||||
eth_smi_transact();
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Read the 16-bit register from the PHY
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @returns uint16_t Readed data
|
||||
*/
|
||||
uint16_t eth_smi_read(uint8_t phy, uint8_t reg)
|
||||
{
|
||||
/* Read operation MW=0*/
|
||||
ETH_MACMIIAR = (ETH_MACMIIAR & ETH_MACMIIAR_CR) | /* save clocks */
|
||||
(phy << ETH_MACMIIAR_PA_SHIFT) |
|
||||
(reg << ETH_MACMIIAR_MR_SHIFT);
|
||||
|
||||
eth_smi_transact();
|
||||
|
||||
return (uint16_t)(ETH_MACMIIDR & ETH_MACMIIDR_MD);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Process the bit-operation on PHY register
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] bits uint16_t Bits that have to be set (or'ed)
|
||||
* @param[in] mask uint16_t Bits that have to be clear (and'ed)
|
||||
*/
|
||||
void eth_smi_bit_op(uint8_t phy, uint8_t reg, uint16_t bits, uint16_t mask)
|
||||
{
|
||||
uint16_t val = eth_smi_read(phy, reg);
|
||||
eth_smi_write(phy, reg, (val & mask) | bits);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Clear bits in the register
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] clearbits uint16_t Bits that have to be cleared
|
||||
*/
|
||||
void eth_smi_bit_clear(uint8_t phy, uint8_t reg, uint16_t clearbits)
|
||||
{
|
||||
uint16_t val = eth_smi_read(phy, reg);
|
||||
eth_smi_write(phy, reg, val & (uint16_t)~(clearbits));
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Set bits in the register
|
||||
*
|
||||
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
|
||||
* @param[in] reg uint8_t Register address
|
||||
* @param[in] bits uint16_t Bits that have to be set (or'ed)
|
||||
*/
|
||||
void eth_smi_bit_set(uint8_t phy, uint8_t reg, uint16_t setbits)
|
||||
{
|
||||
uint16_t val = eth_smi_read(phy, reg);
|
||||
eth_smi_write(phy, reg, val | setbits);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/**@}*/
|
||||
|
|
|
@ -1,64 +1,64 @@
|
|||
/** @defgroup ethernet_phy_file PHY Generic Drivers
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @brief <b>Ethernet PHY Generic Drivers</b>
|
||||
*
|
||||
* @version 1.0.0
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libopencm3/ethernet/mac.h>
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
|
||||
/**@{*/
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Is the link up ?
|
||||
*
|
||||
* @returns bool true, if link is up
|
||||
*/
|
||||
bool phy_link_isup(void)
|
||||
{
|
||||
return eth_smi_read(1, PHY_REG_BSR) & PHY_REG_BSR_UP;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Reset the PHY
|
||||
*
|
||||
* Reset the PHY chip and wait for done
|
||||
*/
|
||||
void phy_reset(void)
|
||||
{
|
||||
eth_smi_write(1, PHY_REG_BCR, PHY_REG_BCR_RESET);
|
||||
|
||||
while (eth_smi_read(1, PHY_REG_BCR) & PHY_REG_BCR_RESET);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/**@}*/
|
||||
/** @defgroup ethernet_phy_file PHY Generic Drivers
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @brief <b>Ethernet PHY Generic Drivers</b>
|
||||
*
|
||||
* @version 1.0.0
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libopencm3/ethernet/mac.h>
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
|
||||
/**@{*/
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Is the link up ?
|
||||
*
|
||||
* @returns bool true, if link is up
|
||||
*/
|
||||
bool phy_link_isup(void)
|
||||
{
|
||||
return eth_smi_read(1, PHY_REG_BSR) & PHY_REG_BSR_UP;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Reset the PHY
|
||||
*
|
||||
* Reset the PHY chip and wait for done
|
||||
*/
|
||||
void phy_reset(void)
|
||||
{
|
||||
eth_smi_write(1, PHY_REG_BCR, PHY_REG_BCR_RESET);
|
||||
|
||||
while (eth_smi_read(1, PHY_REG_BCR) & PHY_REG_BCR_RESET);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/**@}*/
|
||||
|
|
|
@ -1,89 +1,89 @@
|
|||
/** @defgroup ethernet_phy_ksz8051mll_file PHY KSZ8051MLL
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @brief <b>Ethernet PHY STM32Fxx7 Drivers</b>
|
||||
*
|
||||
* @version 1.0.0
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libopencm3/ethernet/mac.h>
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
#include <libopencm3/ethernet/phy_ksz8051mll.h>
|
||||
|
||||
|
||||
/**@{*/
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Get the current link status
|
||||
*
|
||||
* Retrieve the link speed and duplex status of the link.
|
||||
*
|
||||
* @returns ::phy_status Link status
|
||||
*/
|
||||
enum phy_status phy_link_status(void)
|
||||
{
|
||||
return eth_smi_read(1, PHY_REG_CR1) & 0x07;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Force autonegotiation
|
||||
*
|
||||
* Force the autonegotiation and set link speed and duplex mode of the link
|
||||
*
|
||||
* @param[in] mode enum phy_status Desired link status
|
||||
*/
|
||||
void phy_autoneg_force(enum phy_status mode)
|
||||
{
|
||||
uint16_t bst = 0;
|
||||
|
||||
if ((mode == LINK_FD_10M) || (mode == LINK_FD_100M) ||
|
||||
(mode == LINK_FD_1000M) || (mode == LINK_FD_10000M)) {
|
||||
bst |= PHY_REG_BCR_FD;
|
||||
}
|
||||
|
||||
if ((mode == LINK_FD_100M) || (mode == LINK_FD_100M)) {
|
||||
bst |= PHY_REG_BCR_100M;
|
||||
}
|
||||
|
||||
eth_smi_bit_op(1, PHY_REG_BCR, bst,
|
||||
~(PHY_REG_BCR_AN | PHY_REG_BCR_100M | PHY_REG_BCR_FD));
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Enable the autonegotiation
|
||||
*
|
||||
* Enable the autonegotiation of the link speed and duplex mode
|
||||
*/
|
||||
void phy_autoneg_enable(void)
|
||||
{
|
||||
eth_smi_bit_set(1, PHY_REG_BCR, PHY_REG_BCR_AN | PHY_REG_BCR_ANRST);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/**@}*/
|
||||
/** @defgroup ethernet_phy_ksz8051mll_file PHY KSZ8051MLL
|
||||
*
|
||||
* @ingroup ETH
|
||||
*
|
||||
* @brief <b>Ethernet PHY STM32Fxx7 Drivers</b>
|
||||
*
|
||||
* @version 1.0.0
|
||||
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* @date 1 September 2013
|
||||
*
|
||||
* LGPL License Terms @ref lgpl_license
|
||||
*/
|
||||
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libopencm3/ethernet/mac.h>
|
||||
#include <libopencm3/ethernet/phy.h>
|
||||
#include <libopencm3/ethernet/phy_ksz8051mll.h>
|
||||
|
||||
|
||||
/**@{*/
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Get the current link status
|
||||
*
|
||||
* Retrieve the link speed and duplex status of the link.
|
||||
*
|
||||
* @returns ::phy_status Link status
|
||||
*/
|
||||
enum phy_status phy_link_status(void)
|
||||
{
|
||||
return eth_smi_read(1, PHY_REG_CR1) & 0x07;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Force autonegotiation
|
||||
*
|
||||
* Force the autonegotiation and set link speed and duplex mode of the link
|
||||
*
|
||||
* @param[in] mode enum phy_status Desired link status
|
||||
*/
|
||||
void phy_autoneg_force(enum phy_status mode)
|
||||
{
|
||||
uint16_t bst = 0;
|
||||
|
||||
if ((mode == LINK_FD_10M) || (mode == LINK_FD_100M) ||
|
||||
(mode == LINK_FD_1000M) || (mode == LINK_FD_10000M)) {
|
||||
bst |= PHY_REG_BCR_FD;
|
||||
}
|
||||
|
||||
if ((mode == LINK_FD_100M) || (mode == LINK_FD_100M)) {
|
||||
bst |= PHY_REG_BCR_100M;
|
||||
}
|
||||
|
||||
eth_smi_bit_op(1, PHY_REG_BCR, bst,
|
||||
~(PHY_REG_BCR_AN | PHY_REG_BCR_100M | PHY_REG_BCR_FD));
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief Enable the autonegotiation
|
||||
*
|
||||
* Enable the autonegotiation of the link speed and duplex mode
|
||||
*/
|
||||
void phy_autoneg_enable(void)
|
||||
{
|
||||
eth_smi_bit_set(1, PHY_REG_BCR, PHY_REG_BCR_AN | PHY_REG_BCR_ANRST);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/**@}*/
|
||||
|
|
|
@ -110,7 +110,7 @@ void exti_select_source(uint32_t exti, uint32_t gpioport)
|
|||
case GPIOD:
|
||||
bits = 3;
|
||||
break;
|
||||
#if defined(GPIOE) && defined(GPIO_PORT_E_BASE)
|
||||
#if defined(GPIOE) && defined(GPIO_PORT_E_BASE)
|
||||
case GPIOE:
|
||||
bits = 4;
|
||||
break;
|
||||
|
|
|
@ -17,15 +17,15 @@
|
|||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
|
||||
#include <libopencm3/stm32/rcc.h>
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief RCC Enable Peripheral Clocks.
|
||||
*
|
||||
* Enable the clock on particular peripherals. There are three registers
|
||||
* involved, each one controlling the enabling of clocks associated with the
|
||||
* AHB, APB1 and APB2 respectively. Several peripherals could be enabled
|
||||
* Enable the clock on particular peripherals. There are three registers
|
||||
* involved, each one controlling the enabling of clocks associated with the
|
||||
* AHB, APB1 and APB2 respectively. Several peripherals could be enabled
|
||||
* simultaneously <em>only if they are controlled by the same register</em>.
|
||||
*
|
||||
* @param[in] *reg Unsigned int32. Pointer to a Clock Enable Register
|
||||
|
@ -45,9 +45,9 @@ void rcc_peripheral_enable_clock(volatile uint32_t *reg, uint32_t en)
|
|||
/*---------------------------------------------------------------------------*/
|
||||
/** @brief RCC Disable Peripheral Clocks.
|
||||
*
|
||||
* Enable the clock on particular peripherals. There are three registers
|
||||
* involved, each one controlling the enabling of clocks associated with
|
||||
* the AHB, APB1 and APB2 respectively. Several peripherals could be disabled
|
||||
* Enable the clock on particular peripherals. There are three registers
|
||||
* involved, each one controlling the enabling of clocks associated with
|
||||
* the AHB, APB1 and APB2 respectively. Several peripherals could be disabled
|
||||
* simultaneously <em>only if they are controlled by the same register</em>.
|
||||
*
|
||||
* @param[in] *reg Unsigned int32. Pointer to a Clock Enable Register
|
||||
|
@ -70,7 +70,7 @@ void rcc_peripheral_disable_clock(volatile uint32_t *reg, uint32_t en)
|
|||
* controlling reset of peripherals associated with the AHB, APB1 and APB2
|
||||
* respectively. Several peripherals could be reset simultaneously <em>only if
|
||||
* they are controlled by the same register</em>.
|
||||
*
|
||||
*
|
||||
* @param[in] *reg Unsigned int32. Pointer to a Reset Register
|
||||
* (either RCC_AHBENR, RCC_APB1ENR or RCC_APB2ENR)
|
||||
* @param[in] reset Unsigned int32. Logical OR of all resets.
|
||||
|
@ -93,7 +93,8 @@ void rcc_peripheral_reset(volatile uint32_t *reg, uint32_t reset)
|
|||
*
|
||||
* @param[in] *reg Unsigned int32. Pointer to a Reset Register
|
||||
* (either RCC_AHBENR, RCC_APB1ENR or RCC_APB2ENR)
|
||||
* @param[in] clear_reset Unsigned int32. Logical OR of all resets to be removed:
|
||||
* @param[in] clear_reset Unsigned int32. Logical OR of all resets to be
|
||||
* removed:
|
||||
* @li If register is RCC_AHBRSTR, from @ref rcc_ahbrstr_rst
|
||||
* @li If register is RCC_APB1RSTR, from @ref rcc_apb1rstr_rst
|
||||
* @li If register is RCC_APB2RSTR, from @ref rcc_apb2rstr_rst
|
||||
|
@ -115,7 +116,7 @@ void rcc_peripheral_clear_reset(volatile uint32_t *reg, uint32_t clear_reset)
|
|||
*
|
||||
* For available constants, see #periph_t (RCC_UART1 for example)
|
||||
*/
|
||||
|
||||
|
||||
void rcc_periph_clock_enable(enum rcc_periph_clken clken)
|
||||
{
|
||||
_RCC_REG(clken) |= _RCC_BIT(clken);
|
||||
|
@ -182,4 +183,4 @@ void rcc_periph_reset_release(enum rcc_periph_rst rst)
|
|||
}
|
||||
|
||||
#undef _RCC_REG
|
||||
#undef _RCC_BIT
|
||||
#undef _RCC_BIT
|
||||
|
|
|
@ -788,7 +788,7 @@ void adc_enable_analog_watchdog_on_all_channels(uint32_t adc)
|
|||
|
||||
void adc_enable_analog_watchdog_on_selected_channel(uint32_t adc, uint8_t chan)
|
||||
{
|
||||
ADC_CFGR1(adc) = (ADC_CFGR1(adc) & ~ADC_CFGR1_AWDCH) | \
|
||||
ADC_CFGR1(adc) = (ADC_CFGR1(adc) & ~ADC_CFGR1_AWDCH) |
|
||||
ADC_CFGR1_AWDCH_VAL(chan);
|
||||
|
||||
ADC_CFGR1(adc) |= ADC_CFGR1_AWDEN | ADC_CFGR1_AWDSGL;
|
||||
|
|
|
@ -250,7 +250,7 @@ void rcc_osc_on(enum rcc_osc osc)
|
|||
RCC_CSR |= RCC_CSR_LSION;
|
||||
break;
|
||||
case PLL:
|
||||
RCC_CR|=RCC_CR_PLLON;
|
||||
RCC_CR |= RCC_CR_PLLON;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue