ardupilot/libraries/AP_HAL_ChibiOS/hwdef/common/stm32_util.h

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/*
* This file is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This file 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "hal.h"
#ifdef __cplusplus
extern "C" {
#endif
void stm32_timer_set_input_filter(stm32_tim_t *tim, uint8_t channel, uint8_t filter_mode);
void stm32_timer_set_channel_input(stm32_tim_t *tim, uint8_t channel, uint8_t input_source);
#if CH_DBG_ENABLE_STACK_CHECK == TRUE
// print stack usage
void show_stack_usage(void);
#endif
// allocation functions in malloc.c
size_t mem_available(void);
void *malloc_ccm(size_t size);
void *malloc_dma(size_t size);
// flush all dcache
void memory_flush_all(void);
// UTC system clock handling
void stm32_set_utc_usec(uint64_t time_utc_usec);
uint64_t stm32_get_utc_usec(void);
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// hook for FAT timestamps
uint32_t get_fattime(void);
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// one-time programmable area
#if defined(STM32F4)
#define OTP_BASE 0x1fff7800
#define OTP_SIZE 512
#elif defined(STM32F7)
#define OTP_BASE 0x1ff0f000
#define OTP_SIZE 1024
#endif
enum rtc_boot_magic {
RTC_BOOT_OFF = 0,
RTC_BOOT_HOLD = 0xb0070001,
RTC_BOOT_FAST = 0xb0070002
};
// see if RTC registers is setup for a fast reboot
enum rtc_boot_magic check_fast_reboot(void);
// set RTC register for a fast reboot
void set_fast_reboot(enum rtc_boot_magic v);
// enable peripheral power if needed
void peripheral_power_enable(void);
// initialise allocation subsystem
void malloc_init(void);
/*
read mode of a pin. This allows a pin config to be read, changed and
then written back
*/
#if defined(STM32F7) || defined(STM32F4)
iomode_t palReadLineMode(ioline_t line);
#endif
#ifdef __cplusplus
}
#endif