pref: 优化通信

2024-03-05 16:34:56 +08:00
parent 8c21e784d8
commit 2805caa10b
4 changed files with 76 additions and 17 deletions
--- a/app/isr.c
+++ b/app/isr.c
@@ -108,9 +108,7 @@ void USART3_IRQHandler(void)
 void UART4_IRQHandler(void)
 {
    if (USART_GetITStatus(UART4, USART_IT_RXNE) != RESET) {
-        uint8_t data_s = 0;
-        uart_query_byte(UART_4, &data_s);
-        by_frame_parse_uart_handle(data_s);
+        by_frame_parse_uart_handle(USART_ReceiveData(UART4));
        USART_ClearITPendingBit(UART4, USART_IT_RXNE);
    }
 }