108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
* @file : main.c
|
||
|
|
* @brief : Main program body
|
||
|
|
******************************************************************************
|
||
|
|
* @attention
|
||
|
|
*
|
||
|
|
* Copyright (c) 2023 STMicroelectronics.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is licensed under terms that can be found in the LICENSE file
|
||
|
|
* in the root directory of this software component.
|
||
|
|
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||
|
|
*
|
||
|
|
******************************************************************************
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#include "main.h"
|
||
|
|
|
||
|
|
static void Init(void);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief The application entry point.
|
||
|
|
* @retval int
|
||
|
|
*/
|
||
|
|
int boot(void) {
|
||
|
|
|
||
|
|
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
|
||
|
|
|
||
|
|
LL_APB1_GRP2_EnableClock(LL_APB1_GRP2_PERIPH_SYSCFG);
|
||
|
|
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
|
||
|
|
|
||
|
|
Init();
|
||
|
|
|
||
|
|
LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_3);
|
||
|
|
LL_mDelay(100);
|
||
|
|
LL_GPIO_SetOutputPin(GPIOA, LL_GPIO_PIN_3);
|
||
|
|
|
||
|
|
/* Infinite loop */
|
||
|
|
|
||
|
|
while (1) {
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
static void Init(void) {
|
||
|
|
LL_FLASH_SetLatency(LL_FLASH_LATENCY_1);
|
||
|
|
while (LL_FLASH_GetLatency() != LL_FLASH_LATENCY_1) {
|
||
|
|
}
|
||
|
|
LL_RCC_HSI_Enable();
|
||
|
|
|
||
|
|
/* Wait till HSI is ready */
|
||
|
|
while (LL_RCC_HSI_IsReady() != 1) {
|
||
|
|
|
||
|
|
}
|
||
|
|
LL_RCC_HSI_SetCalibTrimming(16);
|
||
|
|
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI_DIV_2, LL_RCC_PLL_MUL_12);
|
||
|
|
LL_RCC_PLL_Enable();
|
||
|
|
|
||
|
|
/* Wait till PLL is ready */
|
||
|
|
while (LL_RCC_PLL_IsReady() != 1) {
|
||
|
|
|
||
|
|
}
|
||
|
|
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
|
||
|
|
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
|
||
|
|
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
|
||
|
|
|
||
|
|
/* Wait till System clock is ready */
|
||
|
|
while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL) {
|
||
|
|
|
||
|
|
}
|
||
|
|
LL_Init1msTick(48000000);
|
||
|
|
LL_SetSystemCoreClock(48000000);
|
||
|
|
|
||
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||
|
|
|
||
|
|
/* GPIO Ports Clock Enable */
|
||
|
|
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
|
||
|
|
|
||
|
|
/**/
|
||
|
|
LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_3);
|
||
|
|
|
||
|
|
/**/
|
||
|
|
GPIO_InitStruct.Pin = LL_GPIO_PIN_3;
|
||
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
|
||
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
|
||
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
||
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
||
|
|
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Error_Handler(void) {
|
||
|
|
|
||
|
|
/* User can add his own implementation to report the HAL error return state */
|
||
|
|
__disable_irq();
|
||
|
|
while (1) {
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|