Signed-off-by: YangMinsheng <3211814958@qq.com>

.gitignore

@@ -99,3 +99,6 @@ compile_commands.json
 CTestTestfile.cmake
 _deps
 
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/settings.json

bsp_usart.c

@@ -1,38 +0,0 @@
-#include "bsp_usart.h"
-#include "main.h"
-
-extern UART_HandleTypeDef huart1;
-extern DMA_HandleTypeDef hdma_usart1_tx;
-void usart1_tx_dma_init(void)
-{
-    //enable the DMA transfer for the receiver request
-    //使能DMA串口接收
-    SET_BIT(huart1.Instance->CR3, USART_CR3_DMAT);
-}
-void usart1_tx_dma_enable(uint8_t *data, uint16_t len)
-{
-
-    //disable DMA
-    //失效DMA
-    __HAL_DMA_DISABLE(&hdma_usart1_tx);
-    while(hdma_usart1_tx.Instance->CR & DMA_SxCR_EN)
-    {
-        __HAL_DMA_DISABLE(&hdma_usart1_tx);
-    }
-
-    //clear flag
-    //清除标志位
-    __HAL_DMA_CLEAR_FLAG(&hdma_usart1_tx, DMA_HISR_TCIF7);
-    __HAL_DMA_CLEAR_FLAG(&hdma_usart1_tx, DMA_HISR_HTIF7);
-
-    //set data address
-    //设置数据地址
-    hdma_usart1_tx.Instance->M0AR = (uint32_t)(data);
-    //set data length
-    //设置数据长度
-    hdma_usart1_tx.Instance->NDTR = len;
-
-    //enable DMA
-    //使能DMA
-    __HAL_DMA_ENABLE(&hdma_usart1_tx);
-}

sjq.cpp

@@ -4,5 +4,5 @@
 #include <iostream>
 
 int main(){
-    printf("hello git --sjq");
+    //printf("hello git --sjq");
 }