stm32f3: Crc support added.
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@ -21,6 +21,8 @@
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# include <libopencm3/stm32/f1/crc.h>
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#elif defined(STM32F2)
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# include <libopencm3/stm32/f2/crc.h>
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#elif defined(STM32F3)
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# include <libopencm3/stm32/f3/crc.h>
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#elif defined(STM32F4)
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# include <libopencm3/stm32/f4/crc.h>
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#elif defined(STM32L1)
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@ -0,0 +1,72 @@
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/** @defgroup crc_defines CRC Defines
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@brief <b>libopencm3 Defined Constants and Types for the STM32F3xx CRC
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Generator </b>
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@ingroup STM32F3xx_defines
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@version 1.0.0
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@date 18 August 2012
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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) 2010 Thomas Otto <tommi@viadmin.org>
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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_CRC_H
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#define LIBOPENCM3_CRC_H
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#include <libopencm3/stm32/memorymap.h>
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#include <libopencm3/stm32/common/crc_common_all.h>
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/* --- CRC registers ------------------------------------------------------- */
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/* Initial CRC value (CRC_INIT) */
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#define CRC_INIT MMIO32(CRC_BASE + 0x10)
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/* CRC polynomial (CRC_POL) */
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#define CRC_POL MMIO32(CRC_BASE + 0x14)
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/* --- CRC_CR values ------------------------------------------------------- */
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/* REV_OUT: Reverse output data */
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#define CRC_CR_REV_OUT (1 << 7)
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/* REV_IN[1:0]: Reverse input data */
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#define CRC_CR_REV_IN_NOT_AFFECTED (0x0 << 5)
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#define CRC_CR_REV_IN_BYTE (0x1 << 5)
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#define CRC_CR_REV_IN_HALF_WORD (0x2 << 5)
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#define CRC_CR_REV_IN_WORD (0x3 << 5)
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/* POLYSIZE[1:0]: Polynomial size */
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#define CRC_CR_POLYSIZE_32 (0x0 << 3)
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#define CRC_CR_POLYSIZE_16 (0x1 << 3)
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#define CRC_CR_POLYSIZE_8 (0x2 << 3)
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#define CRC_CR_POLYSIZE_7 (0x3 << 3)
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/* --- CRC_INIT values ------------------------------------------------------- */
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/* Bits 31:0 CRC_INIT: Programmable initial CRC value */
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/* --- CRC_POL values ------------------------------------------------------- */
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/* Bits 31:0 POL[31:0]: Programmable polynomial */
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#endif
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@ -37,7 +37,8 @@ ARFLAGS = rcs
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OBJS = rcc.o gpio.o flash.o adc.o exti2.o
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OBJS += gpio_common_all.o gpio_common_f234.o i2c_common_all.o\
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dac_common_all.o usart_common_all.o
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dac_common_all.o usart_common_all.o crc_common_all.o
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VPATH += ../../usb:../:../../cm3:../common
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@ -0,0 +1,34 @@
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/** @defgroup crc_file CRC
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@ingroup STM32F3xx
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@brief <b>libopencm3 STM32F3xx CRC</b>
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@version 1.0.0
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@date 15 October 2012
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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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* 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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#include <libopencm3/stm32/crc.h>
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#include <libopencm3/stm32/common/crc_common_all.h>
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