454 lines
12 KiB
C
454 lines
12 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2026 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "dma.h"
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#include "iwdg.h"
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#include "spi.h"
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#include "tim.h"
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#include "usart.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include <stdio.h>
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#include <string.h>
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#include "CH390.h"
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#include "CH390_Interface.h"
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#include "SEGGER_RTT.h"
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#include "config.h"
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#include "flash_param.h"
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#include "ethernetif.h"
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#include "ch390_runtime.h"
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#include "lwip/init.h"
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#include "lwip/timeouts.h"
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#include "tcp_client.h"
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#include "tcp_server.h"
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#include "uart_trans.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* LED 指示灯 */
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#define LED_PIN GPIO_PIN_13
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#define LED_PORT GPIOC
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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static volatile uint16_t g_led_blink_ticks = 0;
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static uint8_t g_clock_fallback_to_hsi = 0u;
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volatile uint8_t g_uart1_rx_probe_byte = 0u;
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static void App_ForwardTcpPair(void)
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{
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uint8_t buffer[256];
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int len;
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len = tcp_server_recv(buffer, sizeof(buffer), 0u);
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if (len > 0) {
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(void)tcp_client_send(buffer, (uint16_t)len);
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}
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len = tcp_client_recv(buffer, sizeof(buffer), 0u);
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if (len > 0) {
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(void)tcp_server_send(buffer, (uint16_t)len);
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}
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}
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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/* USER CODE BEGIN PFP */
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static void LED_Init(void);
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static void LED_StartBlink(void);
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static void BootDiag_ReportCh390(void);
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static void App_PollUart1ConfigRx(void);
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static void App_Init(void);
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static void App_Poll(void);
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/**
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* @brief LED 初始化（点亮表示系统启动）
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*/
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static void LED_Init(void)
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{
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/* LED 灭（PC13 高电平灭，低电平亮） */
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HAL_GPIO_WritePin(LED_PORT, LED_PIN, GPIO_PIN_SET);
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}
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static void LED_StartBlink(void)
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{
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if (HAL_TIM_Base_Start_IT(&htim4) != HAL_OK) {
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Error_Handler();
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}
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}
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/**
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* @brief LED 闪烁（用于指示系统运行状态）
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*/
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void LED_Toggle(void)
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{
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HAL_GPIO_TogglePin(LED_PORT, LED_PIN);
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}
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
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{
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if (htim->Instance == TIM4) {
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g_led_blink_ticks++;
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if (g_led_blink_ticks >= 1000u) {
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g_led_blink_ticks = 0u;
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LED_Toggle();
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}
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}
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}
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static void BootDiag_ReportCh390(void)
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{
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ch390_diag_t diag;
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const device_config_t *cfg = config_get();
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uint8_t mac_hw[6];
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ch390_runtime_get_diag(&diag);
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ch390_get_mac(mac_hw);
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SEGGER_RTT_printf(0,
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"CH390 VID=0x%04X PID=0x%04X REV=0x%02X LINK=%u MAC=%02X:%02X:%02X:%02X:%02X:%02X\r\n",
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diag.vendor_id,
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diag.product_id,
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diag.revision,
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diag.link_up,
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mac_hw[0], mac_hw[1], mac_hw[2], mac_hw[3], mac_hw[4], mac_hw[5]);
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SEGGER_RTT_printf(0,
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"NET cfg IP=%u.%u.%u.%u MASK=%u.%u.%u.%u GW=%u.%u.%u.%u SrvPort=%u Cli=%u.%u.%u.%u:%u\r\n",
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cfg->ip[0], cfg->ip[1], cfg->ip[2], cfg->ip[3],
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cfg->mask[0], cfg->mask[1], cfg->mask[2], cfg->mask[3],
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cfg->gw[0], cfg->gw[1], cfg->gw[2], cfg->gw[3],
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cfg->server_port,
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cfg->remote_ip[0], cfg->remote_ip[1], cfg->remote_ip[2], cfg->remote_ip[3],
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cfg->remote_port);
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}
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static void App_PollUart1ConfigRx(void)
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{
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while (__HAL_UART_GET_FLAG(&huart1, UART_FLAG_RXNE) != RESET) {
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uint8_t byte = (uint8_t)(huart1.Instance->DR & 0xFFu);
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config_uart_rx_byte(byte);
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}
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}
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static void App_Init(void)
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{
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device_config_t *cfg_mut;
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const device_config_t *cfg;
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ip4_addr_t ipaddr;
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ip4_addr_t netmask;
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ip4_addr_t gateway;
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uart_config_t uart_cfg;
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tcp_server_config_t server_cfg;
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tcp_client_config_t client_cfg;
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config_init();
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cfg_mut = config_get_mutable();
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cfg_mut->dhcp_enable = 0u;
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cfg_mut->ip[0] = 192u;
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cfg_mut->ip[1] = 168u;
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cfg_mut->ip[2] = 31u;
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cfg_mut->ip[3] = 100u;
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cfg_mut->mask[0] = 255u;
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cfg_mut->mask[1] = 255u;
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cfg_mut->mask[2] = 255u;
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cfg_mut->mask[3] = 0u;
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cfg_mut->gw[0] = 192u;
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cfg_mut->gw[1] = 168u;
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cfg_mut->gw[2] = 31u;
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cfg_mut->gw[3] = 1u;
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cfg_mut->server_port = 8080u;
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cfg_mut->remote_port = 8081u;
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cfg = config_get();
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uart_trans_init();
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uart_cfg.baudrate = cfg->uart2_baudrate;
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uart_cfg.data_bits = cfg->uart2_databits;
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uart_cfg.stop_bits = cfg->uart2_stopbits;
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uart_cfg.parity = cfg->uart2_parity;
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uart_trans_config(UART_CHANNEL_SERVER, &uart_cfg);
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uart_cfg.baudrate = cfg->uart3_baudrate;
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uart_cfg.data_bits = cfg->uart3_databits;
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uart_cfg.stop_bits = cfg->uart3_stopbits;
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uart_cfg.parity = cfg->uart3_parity;
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uart_trans_config(UART_CHANNEL_CLIENT, &uart_cfg);
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uart_trans_start(UART_CHANNEL_SERVER);
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uart_trans_start(UART_CHANNEL_CLIENT);
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SEGGER_RTT_Init();
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SEGGER_RTT_WriteString(0, "\r\nTCP2UART boot\r\n");
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if (g_clock_fallback_to_hsi != 0u) {
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SEGGER_RTT_WriteString(0, "WARN: HSE start failed, fallback to HSI PLL\r\n");
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}
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lwip_init();
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IP4_ADDR(&ipaddr, cfg->ip[0], cfg->ip[1], cfg->ip[2], cfg->ip[3]);
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IP4_ADDR(&netmask, cfg->mask[0], cfg->mask[1], cfg->mask[2], cfg->mask[3]);
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IP4_ADDR(&gateway, cfg->gw[0], cfg->gw[1], cfg->gw[2], cfg->gw[3]);
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lwip_netif_init(&ipaddr, &netmask, &gateway);
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BootDiag_ReportCh390();
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server_cfg.port = cfg->server_port;
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server_cfg.auto_reconnect = true;
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(void)tcp_server_init(&server_cfg);
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(void)tcp_server_start();
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memcpy(client_cfg.server_ip, cfg->remote_ip, sizeof(client_cfg.server_ip));
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client_cfg.local_port = 8081u;
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client_cfg.server_port = cfg->remote_port;
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client_cfg.auto_reconnect = true;
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client_cfg.reconnect_interval_ms = cfg->reconnect_interval;
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(void)tcp_client_init(&client_cfg);
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(void)tcp_client_connect();
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SEGGER_RTT_WriteString(0, "TCP bridge enabled\r\n");
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/* Arm UART1 RX interrupt path so config commands can enter via USART1. */
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if (HAL_UART_Receive_IT(&huart1, (uint8_t *)&g_uart1_rx_probe_byte, 1u) != HAL_OK) {
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Error_Handler();
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}
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}
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static void App_Poll(void)
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{
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ethernetif_poll();
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ethernetif_check_link();
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sys_check_timeouts();
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tcp_client_poll();
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App_ForwardTcpPair();
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uart_trans_poll();
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App_PollUart1ConfigRx();
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config_poll();
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if (config_is_reset_requested()) {
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config_clear_reset_requested();
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NVIC_SystemReset();
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}
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if (hiwdg.Instance == IWDG) {
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HAL_IWDG_Refresh(&hiwdg);
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}
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}
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_DMA_Init();
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// MX_IWDG_Init();
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MX_USART1_UART_Init();
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MX_USART2_UART_Init();
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MX_USART3_UART_Init();
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MX_SPI1_Init();
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MX_TIM4_Init();
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/* USER CODE BEGIN 2 */
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/* LED 初始化 */
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LED_Init();
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LED_StartBlink();
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App_Init();
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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App_Poll();
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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g_clock_fallback_to_hsi = 0u;
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.LSIState = RCC_LSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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/*
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* Some bring-up boards fail to start the external crystal cleanly.
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* Fall back to HSI-based PLL so the firmware can still boot and expose
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* RTT / debugger evidence instead of trapping during clock init.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI;
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RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.LSIState = RCC_LSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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Error_Handler();
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}
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g_clock_fallback_to_hsi = 1u;
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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/**
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* @brief 重定向 printf 到 UART1（调试输出）
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*/
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#ifdef __GNUC__
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int _write(int file, char *ptr, int len)
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{
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(void)file;
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return (int)SEGGER_RTT_Write(0, ptr, (unsigned)len);
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}
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#else
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int fputc(int ch, FILE *f)
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{
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(void)f;
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SEGGER_RTT_PutChar(0, (char)ch);
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return ch;
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}
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#endif
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void Debug_TrapWithRttHint(const char *tag)
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{
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SEGGER_RTT_WriteString(0, "\r\nTRAP: ");
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SEGGER_RTT_WriteString(0, tag);
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SEGGER_RTT_WriteString(0, "\r\n");
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__disable_irq();
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__BKPT(0);
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while (1)
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{
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}
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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Debug_TrapWithRttHint("Error_Handler");
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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(void)file;
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(void)line;
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Debug_TrapWithRttHint("assert_failed");
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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