nongye/STM32F103_App1/HardWare/SYSINIT/system.c

#include "system.h"
#include "uart.h"

DMA_HandleTypeDef hdma_usart3_rx;
DMA_HandleTypeDef hdma_uart4_rx;

static IWDG_HandleTypeDef hiwdg;   /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><C5B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD>˽<EFBFBD><CBBD> */

/* LSI(~40kHz) / 256<35><36>Ƶ / <20><><EFBFBD><EFBFBD>4095 <20><> <20><>ʱԼ26s<36><73>LSI Ư<><C6AF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ17s<37><73> */
static void MX_IWDG_Init(void)
{
    hiwdg.Instance = IWDG;
    hiwdg.Init.Prescaler = IWDG_PRESCALER_256;
    hiwdg.Init.Reload = 4095;
    if (HAL_IWDG_Init(&hiwdg) != HAL_OK) Error_Handler();
}

/* ι<><CEB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD> app_bg_service<63><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
void IWDG_Feed(void)
{
    HAL_IWDG_Refresh(&hiwdg);
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>HAL/ʱ<EFBFBD><EFBFBD>/GPIO/DMA/UART/<EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD>
 * @note  BootLoader <EFBFBD><EFBFBD>תǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IWDG<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ﾡ<EFBFBD><EFBFBD><EFBFBD>ӹ<EFBFBD>ι<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *        ֮<EFBFBD><EFBFBD> NET_init <EFBFBD>ȳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD> bg_delay <EFBFBD><EFBFBD> app_bg_service ι<EFBFBD><EFBFBD>
 */
void Board_Init(void)
{
    HAL_Init();
    SystemClock_Config();
    MX_GPIO_Init();
    MX_DMA_Init();
    MX_USART1_UART_Init();
    MX_USART2_UART_Init();   /* RS485 ι<>ϳ<EFBFBD> */
    MX_USART3_UART_Init();   /* 4G Air780E */
    MX_UART4_UART_Init();    /* WiFi ESP-01S */
    MX_IWDG_Init();
}

void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) Error_Handler();

    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) Error_Handler();
}

void MX_DMA_Init(void)
{
    __HAL_RCC_DMA1_CLK_ENABLE();
    __HAL_RCC_DMA2_CLK_ENABLE();
    HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
    HAL_NVIC_SetPriority(DMA2_Channel3_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(DMA2_Channel3_IRQn);
}

void MX_GPIO_Init(void)
{
    GPIO_InitTypeDef g = {0};

    __HAL_RCC_GPIOD_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOC_CLK_ENABLE();

    g.Mode  = GPIO_MODE_OUTPUT_PP;
    g.Pull  = GPIO_NOPULL;
    g.Speed = GPIO_SPEED_FREQ_LOW;

    /* CAT_PWR(PC4): 4G ģ<>鿪<EFBFBD><E9BFAA><EFBFBD>ţ<EFBFBD><C5A3><EFBFBD>©<EFBFBD><C2A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>=ģ<>鿪<EFBFBD><E9BFAA><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>ɣ<EFBFBD> */
    HAL_GPIO_WritePin(GPIOC, GPIO_PIN_4, GPIO_PIN_RESET);
    g.Mode = GPIO_MODE_OUTPUT_OD;
    g.Pin  = GPIO_PIN_4;
    HAL_GPIO_Init(GPIOC, &g);

    /* ESP_EN(PA6): WiFi ģ<><C4A3>ʹ<EFBFBD>ܣ<EFBFBD><DCA3>ߵ<EFBFBD>ƽ<EFBFBD><C6BD>Ч<EFBFBD><D0A7>Ĭ<EFBFBD>Ϲر<CFB9>ʡ<EFBFBD>磬
     * <EFBFBD><EFBFBD> network.c <EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD>4G <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>Ͷϵ磬<EFBFBD><EFBFBD> WiFi <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD> */
    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6, GPIO_PIN_RESET);
    g.Mode = GPIO_MODE_OUTPUT_PP;
    g.Pin  = GPIO_PIN_6;
    HAL_GPIO_Init(GPIOA, &g);

    /* BT_RST(PA7): <20><><EFBFBD><EFBFBD>ģ<EFBFBD>鸴λ<E9B8B4>ţ<EFBFBD><C5A3>͵<EFBFBD>ƽ=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ƽ=<3D><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_7, GPIO_PIN_RESET);
    g.Pin = GPIO_PIN_7;
    HAL_GPIO_Init(GPIOA, &g);
}

void Error_Handler(void)
{
    /* <20><>ʼ<EFBFBD><CABC>ʧ<EFBFBD>ܣ<EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFA3AC> IWDG <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD><C9BF>Ź<EFBFBD><C5B9><EFBFBD>λ */
    __disable_irq();
    while (1)
    {
    }
}