371 lines
12 KiB
C
371 lines
12 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* File Name : freertos.c
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* Description : Code for freertos applications
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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 "FreeRTOS.h"
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#include "task.h"
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#include "main.h"
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#include "cmsis_os.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "semphr.h"
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#include "stream_buffer.h"
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/* Application modules */
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#include "tcp_server.h"
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#include "tcp_client.h"
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#include "uart_trans.h"
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#include "config.h"
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#include "ethernetif.h"
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/* LwIP includes */
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#include "lwip/tcpip.h"
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#include "lwip/ip4_addr.h"
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#include "lwip/dhcp.h"
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#include "lwip/timeouts.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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/* Task stack sizes (words, not bytes) */
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#define LWIP_TASK_STACK_SIZE 512
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#define TCP_SERVER_TASK_STACK_SIZE 384
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#define TCP_CLIENT_TASK_STACK_SIZE 384
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#define UART_TRANS_TASK_STACK_SIZE 256
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#define CONFIG_TASK_STACK_SIZE 384
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#define DEFAULT_TASK_STACK_SIZE 128
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/* Task priorities */
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#define LWIP_TASK_PRIORITY (osPriorityAboveNormal)
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#define TCP_SERVER_TASK_PRIORITY (osPriorityNormal)
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#define TCP_CLIENT_TASK_PRIORITY (osPriorityNormal)
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#define UART_TRANS_TASK_PRIORITY (osPriorityNormal)
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#define CONFIG_TASK_PRIORITY (osPriorityBelowNormal)
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#define DEFAULT_TASK_PRIORITY (osPriorityLow)
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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 Variables */
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/* Task handles */
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TaskHandle_t lwipTaskHandle = NULL;
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TaskHandle_t tcpServerTaskHandle = NULL;
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TaskHandle_t tcpClientTaskHandle = NULL;
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TaskHandle_t uartServerTransTaskHandle = NULL;
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TaskHandle_t uartClientTransTaskHandle = NULL;
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TaskHandle_t configTaskHandle = NULL;
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/* SPI mutex for CH390 access */
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SemaphoreHandle_t ch390SpiMutex = NULL;
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/* CH390 interrupt notification semaphore */
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SemaphoreHandle_t ch390IntSemaphore = NULL;
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/* USER CODE END Variables */
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/* Definitions for defaultTask */
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osThreadId_t defaultTaskHandle;
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const osThreadAttr_t defaultTask_attributes = {
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.name = "defaultTask",
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.stack_size = DEFAULT_TASK_STACK_SIZE * 4,
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.priority = (osPriority_t) DEFAULT_TASK_PRIORITY,
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};
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE BEGIN FunctionPrototypes */
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void LwIPTask(void *argument);
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/* USER CODE END FunctionPrototypes */
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void StartDefaultTask(void *argument);
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void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
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/**
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* @brief FreeRTOS initialization
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* @param None
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* @retval None
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*/
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void MX_FREERTOS_Init(void) {
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* USER CODE BEGIN RTOS_MUTEX */
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/* Create SPI mutex for CH390 access */
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ch390SpiMutex = xSemaphoreCreateMutex();
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configASSERT(ch390SpiMutex != NULL);
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/* USER CODE END RTOS_MUTEX */
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/* USER CODE BEGIN RTOS_SEMAPHORES */
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/* Create CH390 interrupt notification semaphore */
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ch390IntSemaphore = xSemaphoreCreateBinary();
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configASSERT(ch390IntSemaphore != NULL);
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/* USER CODE END RTOS_SEMAPHORES */
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/* USER CODE BEGIN RTOS_TIMERS */
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/* start timers, add new ones, ... */
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/* USER CODE END RTOS_TIMERS */
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/* USER CODE BEGIN RTOS_QUEUES */
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/* add queues, ... */
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/* USER CODE END RTOS_QUEUES */
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/* Create the thread(s) */
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/* creation of defaultTask */
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defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
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/* USER CODE BEGIN RTOS_THREADS */
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BaseType_t task_created;
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/* Create LwIP task (handles network stack + TCP server/client) */
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task_created = xTaskCreate(LwIPTask, "LwIP", LWIP_TASK_STACK_SIZE, NULL,
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tskIDLE_PRIORITY + 3, &lwipTaskHandle);
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configASSERT(task_created == pdPASS);
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/* Create TCP Server task */
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task_created = xTaskCreate(tcp_server_task, "TCPServer", TCP_SERVER_TASK_STACK_SIZE, NULL,
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tskIDLE_PRIORITY + 2, &tcpServerTaskHandle);
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configASSERT(task_created == pdPASS);
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/* Create TCP Client task */
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task_created = xTaskCreate(tcp_client_task, "TCPClient", TCP_CLIENT_TASK_STACK_SIZE, NULL,
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tskIDLE_PRIORITY + 2, &tcpClientTaskHandle);
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configASSERT(task_created == pdPASS);
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/* Create UART Server transparent transmission task */
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task_created = xTaskCreate(uart_server_trans_task, "UartSrvTx", UART_TRANS_TASK_STACK_SIZE, NULL,
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tskIDLE_PRIORITY + 2, &uartServerTransTaskHandle);
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configASSERT(task_created == pdPASS);
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/* Create UART Client transparent transmission task */
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task_created = xTaskCreate(uart_client_trans_task, "UartCliTx", UART_TRANS_TASK_STACK_SIZE, NULL,
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tskIDLE_PRIORITY + 2, &uartClientTransTaskHandle);
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configASSERT(task_created == pdPASS);
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/* Create Configuration task (AT commands via UART1) */
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task_created = xTaskCreate(config_task, "Config", CONFIG_TASK_STACK_SIZE, NULL,
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tskIDLE_PRIORITY + 1, &configTaskHandle);
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configASSERT(task_created == pdPASS);
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/* USER CODE END RTOS_THREADS */
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/* USER CODE BEGIN RTOS_EVENTS */
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/* add events, ... */
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/* USER CODE END RTOS_EVENTS */
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}
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/* USER CODE BEGIN Header_StartDefaultTask */
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/**
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* @brief Function implementing the defaultTask thread.
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* LED blinking for system status indication.
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* @param argument: Not used
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* @retval None
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*/
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/* USER CODE END Header_StartDefaultTask */
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void StartDefaultTask(void *argument)
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{
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/* USER CODE BEGIN StartDefaultTask */
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(void)argument;
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/* Infinite loop - LED heartbeat */
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for(;;)
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{
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/* Toggle LED (PC13, active low) */
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HAL_GPIO_TogglePin(GPIOC, GPIO_PIN_13);
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/* 500ms toggle = 1Hz blink rate */
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osDelay(500);
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}
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/* USER CODE END StartDefaultTask */
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}
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/* Private application code --------------------------------------------------*/
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/* USER CODE BEGIN Application */
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/**
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* @brief LwIP task - handles network stack initialization and processing
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*/
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void LwIPTask(void *argument)
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{
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(void)argument;
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ip4_addr_t ipaddr, netmask, gw;
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uart_config_t uart_server_cfg;
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uart_config_t uart_client_cfg;
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uint8_t use_dhcp = 0;
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const device_config_t *cfg;
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/* Wait for configuration to be loaded */
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vTaskDelay(pdMS_TO_TICKS(100));
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/* Get device configuration */
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cfg = config_get();
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/* Initialize UART transparent transmission module */
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uart_trans_init();
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/* Apply UART settings from configuration */
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uart_server_cfg.baudrate = UART_DEFAULT_BAUDRATE;
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uart_server_cfg.data_bits = UART_DEFAULT_DATA_BITS;
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uart_server_cfg.stop_bits = UART_DEFAULT_STOP_BITS;
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uart_server_cfg.parity = UART_DEFAULT_PARITY;
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uart_client_cfg.baudrate = UART_DEFAULT_BAUDRATE;
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uart_client_cfg.data_bits = UART_DEFAULT_DATA_BITS;
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uart_client_cfg.stop_bits = UART_DEFAULT_STOP_BITS;
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uart_client_cfg.parity = UART_DEFAULT_PARITY;
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if (cfg != NULL)
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{
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uart_server_cfg.baudrate = cfg->uart2_baudrate;
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uart_server_cfg.data_bits = cfg->uart2_databits;
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uart_server_cfg.stop_bits = cfg->uart2_stopbits;
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uart_server_cfg.parity = cfg->uart2_parity;
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uart_client_cfg.baudrate = cfg->uart3_baudrate;
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uart_client_cfg.data_bits = cfg->uart3_databits;
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uart_client_cfg.stop_bits = cfg->uart3_stopbits;
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uart_client_cfg.parity = cfg->uart3_parity;
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}
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(void)uart_trans_config(UART_CHANNEL_SERVER, &uart_server_cfg);
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(void)uart_trans_config(UART_CHANNEL_CLIENT, &uart_client_cfg);
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/* Wait for TCP tasks to initialize their StreamBuffers */
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/* TCP Server and TCP Client tasks call tcp_server_init() / tcp_client_init() */
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/* which create the StreamBuffers. We need to wait until they're ready. */
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while (tcp_server_get_rx_stream() == NULL ||
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tcp_server_get_tx_stream() == NULL ||
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tcp_client_get_rx_stream() == NULL ||
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tcp_client_get_tx_stream() == NULL)
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{
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vTaskDelay(pdMS_TO_TICKS(50));
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}
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/* Connect StreamBuffers between TCP and UART modules */
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/* Server: TCP Server RX -> UART2 TX, UART2 RX -> TCP Server TX */
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uart_trans_set_streams(UART_CHANNEL_SERVER,
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tcp_server_get_rx_stream(), /* TCP RX -> UART TX */
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tcp_server_get_tx_stream()); /* UART RX -> TCP TX */
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/* Client: TCP Client RX -> UART3 TX, UART3 RX -> TCP Client TX */
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uart_trans_set_streams(UART_CHANNEL_CLIENT,
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tcp_client_get_rx_stream(), /* TCP RX -> UART TX */
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tcp_client_get_tx_stream()); /* UART RX -> TCP TX */
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/* Initialize LwIP stack (calls tcpip_init internally) */
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tcpip_init(NULL, NULL);
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/* Wait for tcpip thread to initialize */
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vTaskDelay(pdMS_TO_TICKS(100));
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/* Set IP addresses */
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if (cfg != NULL && cfg->dhcp_enable != 0)
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{
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use_dhcp = 1;
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IP4_ADDR(&ipaddr, 0, 0, 0, 0);
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IP4_ADDR(&netmask, 0, 0, 0, 0);
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IP4_ADDR(&gw, 0, 0, 0, 0);
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}
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else if (cfg != NULL)
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{
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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(&gw, cfg->gw[0], cfg->gw[1], cfg->gw[2], cfg->gw[3]);
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}
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else
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{
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/* Default IP if no config */
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IP4_ADDR(&ipaddr, 192, 168, 1, 200);
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IP4_ADDR(&netmask, 255, 255, 255, 0);
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IP4_ADDR(&gw, 192, 168, 1, 1);
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}
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/* Initialize network interface */
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lwip_netif_init(&ipaddr, &netmask, &gw);
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if (use_dhcp)
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{
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dhcp_start(&ch390_netif);
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}
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/* Main loop - handle network events */
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for (;;)
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{
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/* Wait for CH390 interrupt or timeout */
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if (xSemaphoreTake(ch390IntSemaphore, pdMS_TO_TICKS(10)) == pdTRUE)
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{
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/* Process network input - poll all pending packets */
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ethernetif_poll();
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}
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/* Check link status periodically */
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ethernetif_check_link();
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}
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}
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/**
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* @brief Get SPI mutex handle for CH390 driver
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*/
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SemaphoreHandle_t get_ch390_spi_mutex(void)
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{
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return ch390SpiMutex;
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}
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/**
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* @brief Notify LwIP task of CH390 interrupt (call from ISR)
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*/
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void notify_ch390_interrupt_from_isr(void)
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{
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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if (ch390IntSemaphore != NULL)
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{
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xSemaphoreGiveFromISR(ch390IntSemaphore, &xHigherPriorityTaskWoken);
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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}
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}
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/**
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* @brief Get UART Server transparent task handle
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*/
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TaskHandle_t get_uart_server_task_handle(void)
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{
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return uartServerTransTaskHandle;
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}
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/**
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* @brief Get UART Client transparent task handle
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*/
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TaskHandle_t get_uart_client_task_handle(void)
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{
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return uartClientTransTaskHandle;
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}
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/* USER CODE END Application */
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