更新CubeMX配置：添加CH390D引脚、USART1 DMA、FreeRTOS；更新技术文档

Core/Src/main.c

@@ -18,11 +18,11 @@
 /* USER CODE END Header */
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
+#include "cmsis_os.h"
 #include "dma.h"
 #include "iwdg.h"
 #include "spi.h"
 #include "usart.h"
-#include "wwdg.h"
 #include "gpio.h"
 
 /* Private includes ----------------------------------------------------------*/
@@ -53,6 +53,7 @@
 
 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
+void MX_FREERTOS_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -96,12 +97,20 @@ int main(void)
   MX_USART1_UART_Init();
   MX_USART2_UART_Init();
   MX_USART3_UART_Init();
-  MX_WWDG_Init();
   MX_SPI1_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
 
+  /* Init scheduler */
+  osKernelInitialize();  /* Call init function for freertos objects (in cmsis_os2.c) */
+  MX_FREERTOS_Init();
+
+  /* Start scheduler */
+  osKernelStart();
+
+  /* We should never get here as control is now taken by the scheduler */
+
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   while (1)