libopencm3/include/libopencm3/stm32/common/timer_common_f24.h

113 lines
3.5 KiB
C

/** @addtogroup timer_defines
@author @htmlonly &copy; @endhtmlonly 2011 Fergus Noble <fergusnoble@gmail.com>
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* 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/>.
*/
/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA TIMER.H
The order of header inclusion is important. timer.h includes the device
specific memorymap.h header before including this header file.*/
/** @cond */
#ifdef LIBOPENCM3_TIMER_H
/** @endcond */
#ifndef LIBOPENCM3_TIMER_COMMON_F24_H
#define LIBOPENCM3_TIMER_COMMON_F24_H
#include <libopencm3/stm32/common/timer_common_all.h>
/*
* TIM2 and TIM5 are now 32bit and the following registers are now 32-bit wide:
* CNT, ARR, CCR1, CCR2, CCR3, CCR4
*/
/* Timer 2/5 option register (TIMx_OR) */
#define TIM_OR(tim_base) MMIO32(tim_base + 0x50)
#define TIM2_OR TIM_OR(TIM2)
#define TIM5_OR TIM_OR(TIM5)
/* --- TIM2_OR values ---------------------------------------------------- */
/* ITR1_RMP */
/****************************************************************************/
/** @defgroup tim2_opt_trigger_remap TIM2_OR Timer 2 Option Register Internal Trigger 1 Remap
Only available in F2 and F4 series.
@ingroup timer_defines
@{*/
/** Internal Trigger 1 remapped to timer 8 trigger out */
#define TIM2_OR_ITR1_RMP_TIM8_TRGOU (0x0 << 10)
/** Internal Trigger 1 remapped to PTP trigger out */
#define TIM2_OR_ITR1_RMP_PTP (0x1 << 10)
/** Internal Trigger 1 remapped to USB OTG FS SOF */
#define TIM2_OR_ITR1_RMP_OTG_FS_SOF (0x2 << 10)
/** Internal Trigger 1 remapped to USB OTG HS SOF */
#define TIM2_OR_ITR1_RMP_OTG_HS_SOF (0x3 << 10)
/**@}*/
#define TIM2_OR_ITR1_RMP_MASK (0x3 << 10)
/* --- TIM5_OR values ---------------------------------------------------- */
/* ITR4_RMP */
/****************************************************************************/
/** @defgroup tim5_opt_trigger_remap TIM5_OR Timer 5 Option Register Internal Trigger 4 Remap
Only available in F2 and F4 series.
@ingroup timer_defines
@{*/
/** Internal Trigger 4 remapped to GPIO (see reference manual) */
#define TIM5_OR_TI4_RMP_GPIO (0x0 << 6)
/** Internal Trigger 4 remapped to LSI internal clock */
#define TIM5_OR_TI4_RMP_LSI (0x1 << 6)
/** Internal Trigger 4 remapped to LSE internal clock */
#define TIM5_OR_TI4_RMP_LSE (0x2 << 6)
/** Internal Trigger 4 remapped to RTC output event */
#define TIM5_OR_TI4_RMP_RTC (0x3 << 6)
/**@}*/
#define TIM5_OR_TI4_RMP_MASK (0x3 << 6)
/** Input Capture input polarity */
enum tim_ic_pol {
TIM_IC_RISING,
TIM_IC_FALLING,
TIM_IC_BOTH,
};
/* --- Function prototypes ------------------------------------------------- */
BEGIN_DECLS
void timer_set_option(u32 timer_peripheral, u32 option);
void timer_ic_set_polarity(u32 timer, enum tim_ic_id ic, enum tim_ic_pol pol);
END_DECLS
#endif
/** @cond */
#else
#warning "timer_common_f24.h should not be included explicitly, only via timer.h"
#endif
/** @endcond */