From c8c1cf5223f0576d4c378ac627d6eeed6caf04d5 Mon Sep 17 00:00:00 2001 From: chen <15335560115@163.com> Date: 星期三, 07 五月 2025 15:38:06 +0800 Subject: [PATCH] 成功加入log打印和校准逻辑 --- keil/include/drivers/Usart.c | 36 ++++++++++++++++++++++++++++++++++-- 1 files changed, 34 insertions(+), 2 deletions(-) diff --git a/keil/include/drivers/Usart.c b/keil/include/drivers/Usart.c index 6d4af12..051a5ef 100644 --- a/keil/include/drivers/Usart.c +++ b/keil/include/drivers/Usart.c @@ -68,10 +68,42 @@ MaxDataLen--; } m_bEUARTCheckingRec = 0; - } - +void UART0_CheckReceive(void) +{ + int32_t DMACnt = 0; + int32_t MaxDataLen = EUART_RX_BUF_SIZE; + cndtr=get_uart0_dma_cndtr(); + //缺少check保护 + //如果正在往发送队列中添加数据,退出 + if(m_bEUARTPushingFrms) + return; + //判断是否正在Check + if(m_bEUARTCheckingRec) + return; + m_bEUARTCheckingRec = 1; + if(cndtr== 0) + { + m_bEUARTCheckingRec = 0; + return; + } + DMACnt = EUART_RX_BUF_SIZE - cndtr; + while( m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0) + { + Usart1ParseDataCallback(m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]); + //waitusart_timer = tag_frequency*USART_KEEPWAKE_TIME; + m_EUART_DMA_RXPtr++; + if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) + { + m_EUART_DMA_RXPtr = 0; + } + DMACnt = EUART_RX_BUF_SIZE - cndtr; + MaxDataLen--; + } + m_bEUARTCheckingRec = 0; + +} #ifndef EXUART_USE_TXDMA //查询方式发送数据 -- Gitblit v1.9.3