You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
876 B
30 lines
876 B
/* |
|
* Copyright (c) 2024 DNDG srl |
|
* SPDX-License-Identifier: Apache-2.0 |
|
*/ |
|
|
|
#include <zephyr/kernel.h> |
|
#include <zephyr/init.h> |
|
#include <stm32h7xx_ll_bus.h> |
|
#include <stm32h7xx_ll_gpio.h> |
|
|
|
static int board_gpio_hse(void) |
|
{ |
|
/* The external oscillator that drives the HSE clock should be enabled |
|
* by setting the GPIOH1 pin. This function is registered at priority |
|
* RE_KERNEL_1 to be executed before the standard STM clock |
|
* setup code. |
|
*/ |
|
|
|
LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOH); |
|
|
|
LL_GPIO_SetPinMode(GPIOH, LL_GPIO_PIN_1, LL_GPIO_MODE_OUTPUT); |
|
LL_GPIO_SetPinSpeed(GPIOH, LL_GPIO_PIN_1, LL_GPIO_SPEED_FREQ_LOW); |
|
LL_GPIO_SetPinOutputType(GPIOH, LL_GPIO_PIN_1, LL_GPIO_OUTPUT_PUSHPULL); |
|
LL_GPIO_SetPinPull(GPIOH, LL_GPIO_PIN_1, LL_GPIO_PULL_UP); |
|
LL_GPIO_SetOutputPin(GPIOH, LL_GPIO_PIN_1); |
|
|
|
return 0; |
|
} |
|
|
|
SYS_INIT(board_gpio_hse, PRE_KERNEL_1, 0);
|
|
|