circuitpython/ports/stm32f4/peripherals/stm32f4/stm32f401xe/gpio.c
2019-12-11 17:58:21 -05:00

53 lines
2.0 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
*
* 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 "stm32f4xx_hal.h"
#include "stm32f4/gpio.h"
#include "common-hal/microcontroller/Pin.h"
void stm32f4_peripherals_gpio_init(void) {
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
//Never reset pins
never_reset_pin_number(2,13); //PC13 anti tamp
never_reset_pin_number(2,14); //PC14 OSC32_IN
never_reset_pin_number(2,15); //PC15 OSC32_OUT
never_reset_pin_number(0,13); //PA13 SWDIO
never_reset_pin_number(0,14); //PA14 SWCLK
}
//LEDs are inverted on F411 DISCO
void stm32f4_peripherals_status_led(uint8_t led, uint8_t state) {
}