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@@ -126,7 +126,7 @@ int main(void)
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// __HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE);
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printf("USART2 DMA + IDLE 中断接收已启动\r\n");
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- uint8_t i = 0;
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+ uint8_t i = 0xaa;
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/* USER CODE END 2 */
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/* Infinite loop */
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@@ -145,8 +145,8 @@ int main(void)
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// memset(rx_buf, '\0', 500);
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// printf("%02X\r\n",i++);
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// printf("%d\r\n",strlen(msg));
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- HAL_UART_Transmit(&huart1, msg, strlen(msg), 100);
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- i++;
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+ HAL_UART_Transmit(&huart1, &i, 1, 100);
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+ // i++;
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HAL_Delay(1000);
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/* USER CODE BEGIN 3 */
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}
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