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STM32F4-Base/Src/main.c

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2026 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "i2c.h"
#include "spi.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <string.h>
#include <stdio.h>
#include "ch395f.h"
#include "gd5f2gq5ue.h"
#include "tpafe5160.h"
#include "sd2506.h"
#include "rs485.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* RS-485 通信实例UART5: PC12=TX, PD2=RX, PD0=DE */
rs485_handle_t g_rs485;
#define RS485_RX_BUF_SIZE 256
uint8_t g_rs485_rx_buf[RS485_RX_BUF_SIZE];
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_USART1_UART_Init();
MX_SPI2_Init();
MX_SPI1_Init();
MX_I2C1_Init();
MX_UART4_Init();
MX_UART5_Init();
MX_USART2_UART_Init();
MX_USART3_UART_Init();
/* USER CODE BEGIN 2 */
HAL_Delay(100);
/* CH395F 硬件检测 */
ch395f_status_t ch395f_ret = ch395f_check_exist();
printf("[CH395F] SPI: %s\r\n",
(ch395f_ret == CH395F_STATUS_OK) ? "OK" : "FAIL");
printf("[CH395F] version: 0x%02X\r\n", ch395f_get_version());
if (ch395f_ret == CH395F_STATUS_OK) {
/* 1. 复位 */
ch395f_reset();
/* 2. 配置网络参数(必须在 INIT 之前INIT 会锁定协议栈参数) */
uint8_t ip[4] = {192, 168, 1, 100};
uint8_t gw[4] = {192, 168, 1, 1};
uint8_t mask[4] = {255, 255, 255, 0};
ch395f_set_ip_addr(ip);
ch395f_set_gwip_addr(gw);
ch395f_set_mask_addr(mask);
/* 3. 初始化协议栈(锁定 IP/GW/MASK 等参数) */
printf("[CH395F] init: %s\r\n",
(ch395f_init() == CH395F_STATUS_OK) ? "OK" : "FAIL");
/* 4. 读取 MAC */
uint8_t mac[6];
ch395f_get_mac_addr(mac);
printf("[CH395F] MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/* 5. 强制 100M 全双工,建立 PHY 链路 */
ch395f_set_phy(CH395F_PHY_100M_FULL);
HAL_Delay(3000);
uint8_t phy = ch395f_get_phy_status();
const char *phy_str = "UNKNOWN";
switch (phy) {
case CH395F_PHY_DISCONN: phy_str = "DISCONNECT"; break;
case CH395F_PHY_10M_FULL: phy_str = "10M FULL"; break;
case CH395F_PHY_10M_HALF: phy_str = "10M HALF"; break;
case CH395F_PHY_100M_FULL: phy_str = "100M FULL"; break;
case CH395F_PHY_100M_HALF: phy_str = "100M HALF"; break;
}
printf("[CH395F] PHY: %s\r\n", phy_str);
}
/* GD5F 初始化测试 */
int ret = gd5f2gq5ue_init();
const char *gd5f_str = "UNKNOWN";
switch (ret) {
case GD5F_OK: gd5f_str = "OK"; break;
case GD5F_ERROR: gd5f_str = "ERROR"; break;
case GD5F_BUSY_TIMEOUT: gd5f_str = "BUSY TIMEOUT"; break;
case GD5F_ECC_ERROR: gd5f_str = "ECC ERROR"; break;
case GD5F_PROGRAM_FAIL: gd5f_str = "PROGRAM FAIL"; break;
case GD5F_ERASE_FAIL: gd5f_str = "ERASE FAIL"; break;
case GD5F_ID_MISMATCH: gd5f_str = "ID MISMATCH"; break;
}
printf("[GD5F] init: %s\r\n", gd5f_str);
/* TPAFE5160 ADC 测试 */
int tp_ret = tpafe5160_init();
printf("[TPAFE5160] init: %s\r\n",
(tp_ret == TPAFE5160_OK) ? "OK" : "TIMEOUT");
/* SD2506 RTC 初始化测试 */
int sd_ret = sd2506_init();
printf("[SD2506] init: %s\r\n",
(sd_ret == SD2506_OK) ? "OK" : "I2C ERROR");
if (sd_ret == SD2506_OK) {
/* 读取 ID */
uint8_t sd_id[8];
sd2506_get_id(sd_id);
printf("[SD2506] ID: %02X%02X%02X%02X%02X%02X%02X%02X\r\n",
sd_id[0], sd_id[1], sd_id[2], sd_id[3],
sd_id[4], sd_id[5], sd_id[6], sd_id[7]);
/* 读取当前时间 */
sd2506_time_t sd_time;
sd2506_get_time(&sd_time);
printf("[SD2506] time: %04d-%02d-%02d %02d:%02d:%02d (week %d)\r\n",
sd_time.year, sd_time.month, sd_time.day,
sd_time.hour, sd_time.minute, sd_time.second,
sd_time.week);
/* 读取温度 */
int8_t sd_temp;
sd2506_get_temperature(&sd_temp);
printf("[SD2506] temp: %d C\r\n", sd_temp);
/* 读取电池电压 */
uint16_t sd_vbat;
sd2506_get_battery_voltage(&sd_vbat);
printf("[SD2506] battery: %d.%02d V\r\n",
sd_vbat / 1000, (sd_vbat % 1000) / 10);
}
/* RS-485 初始化UART5 + PD0 方向控制) */
rs485_init(&g_rs485, &huart5, ST_DIR4_GPIO_Port, ST_DIR4_Pin);
printf("[RS485] init: OK (UART5, DE=PD0)\r\n");
/* 启动第一次 RS-485 接收 */
rs485_receive_start(&g_rs485, g_rs485_rx_buf, RS485_RX_BUF_SIZE);
/* 启动第一次转换CubeMX 已配置 BUSY EXTI 中断) */
tpafe5160_start_conv_irq();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
/* TPAFE5160 中断模式读取 */
if (tpafe5160_data_ready()) {
const int16_t *buf = tpafe5160_get_buf();
printf("[TPAFE5160] CH:");
for (int i = 0; i < 8; i++) {
printf(" %d", buf[i]);
}
printf("\r\n");
tpafe5160_clear_ready();
/* 启动下一次转换 */
tpafe5160_start_conv_irq();
}
/* 其他任务 */
HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
HAL_Delay(500);
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 4;
RCC_OscInitStruct.PLL.PLLN = 168;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
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_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/*
* HAL UART 扩展接收回调IDLE 空闲帧中断触发)
* 当 RS-485 总线空闲超过 1 个字符时间后触发
*/
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
{
if (huart->Instance == UART5) {
rs485_rx_set_size(&g_rs485, Size);
/* TODO: 在此处处理接收到的 RS-485 数据
* g_rs485_rx_buf[0 .. Size-1] 为有效数据
* 例如rs485_transmit(&g_rs485, g_rs485_rx_buf, Size, 0);
*/
/* 重新开启接收 */
rs485_receive_start(&g_rs485, g_rs485_rx_buf, RS485_RX_BUF_SIZE);
}
}
/*
* HAL UART 错误回调
*/
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
{
if (huart->Instance == UART5) {
/* STM32F4 通过读 SR + DR 清除 ORE/NE/FE/PE 错误标志 */
(void)huart->Instance->SR;
(void)huart->Instance->DR;
/* 重新开启接收 */
rs485_receive_start(&g_rs485, g_rs485_rx_buf, RS485_RX_BUF_SIZE);
}
}
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */