circuitpython/ports/stm32f4/supervisor/port.c

82 lines
2.2 KiB
C
Raw Normal View History

2019-06-28 15:36:08 -04:00
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
2019-07-24 14:21:27 -04:00
* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
2019-06-28 15:36:08 -04:00
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include "supervisor/port.h"
#include "boards/board.h"
2019-07-09 13:03:22 -04:00
#include "tick.h"
2019-07-18 17:55:57 -04:00
2019-09-12 13:47:01 -04:00
#include "common-hal/microcontroller/Pin.h"
2019-07-24 14:21:27 -04:00
#include "stm32f4/clocks.h"
#include "stm32f4/gpio.h"
2019-07-18 17:55:57 -04:00
2019-07-24 14:21:27 -04:00
#include "stm32f4xx_hal.h"
2019-07-18 17:55:57 -04:00
2019-06-28 15:36:08 -04:00
safe_mode_t port_init(void) {
HAL_Init();
2019-09-18 16:49:15 -04:00
__HAL_RCC_SYSCFG_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
2019-06-28 15:36:08 -04:00
2019-07-24 14:21:27 -04:00
stm32f4_peripherals_clocks_init();
stm32f4_peripherals_gpio_init();
2019-07-11 13:41:10 -04:00
2019-07-18 17:17:46 -04:00
tick_init();
2019-07-09 13:03:22 -04:00
board_init();
2019-06-28 15:36:08 -04:00
return NO_SAFE_MODE;
}
void reset_port(void) {
2019-09-12 13:47:01 -04:00
reset_all_pins();
2019-06-28 15:36:08 -04:00
}
void reset_to_bootloader(void) {
}
void reset_cpu(void) {
2019-09-12 13:47:01 -04:00
NVIC_SystemReset();
2019-06-28 15:36:08 -04:00
}
extern uint32_t _ebss;
// Place the word to save just after our BSS section that gets blanked.
void port_set_saved_word(uint32_t value) {
_ebss = value;
}
uint32_t port_get_saved_word(void) {
return _ebss;
}
2019-08-14 13:14:42 -04:00
void HardFault_Handler(void) {
2019-09-12 13:47:01 -04:00
reset_into_safe_mode(HARD_CRASH);
while (true) {
asm("nop;");
}
2019-08-14 13:14:42 -04:00
}