From 43d055054fc3eee6d0c63f429a14ce74712626c1 Mon Sep 17 00:00:00 2001 From: chen <15335560115@163.com> Date: 星期四, 22 五月 2025 18:08:48 +0800 Subject: [PATCH] 初步写好MK与蓝牙的传输交互函数未测试 --- keil/include/drivers/Usart.c | 36 +++++++++++++++++++++--------------- 1 files changed, 21 insertions(+), 15 deletions(-) diff --git a/keil/include/drivers/Usart.c b/keil/include/drivers/Usart.c index 4469110..a9949bd 100644 --- a/keil/include/drivers/Usart.c +++ b/keil/include/drivers/Usart.c @@ -12,16 +12,21 @@ volatile int8_t m_EUART_TxFrm_FreeFrmLen = 0; //数据发送帧队列剩余帧数 //DMA数据接收缓存 uint8_t m_EUART_DMA_RXBuf[EUART_RX_BUF_SIZE]; //DMA数据接收缓存 +uint8_t m_EUART0_DMA_RXBuf[EUART_RX_BUF_SIZE]; //DMA数据接收缓存 volatile int32_t m_EUART_DMA_RXPtr = 0; //当前数据地址 +volatile int32_t m_EUART0_DMA_RXPtr = 0; //当前数据地址 //int16_t DMA_rxtemp = 0,DMA_rxtemp2 = 0; //当前数据地址缓存 //uint16_t datadelaycount = 0; //剩余1位数据延时等待处理 //标志变量 volatile uint8_t m_bEUARTPushingFrms = 0; //正在往发送队列存数据 +volatile uint8_t m_bEUART0PushingFrms = 0; //正在往发送队列存数据 volatile uint8_t m_bEUARTCheckingSend = 0; //正在确认数据发送 volatile uint8_t m_bEUARTCheckingRec = 0; //正在确认接收数据 +volatile uint8_t m_bEUART0CheckingRec = 0; //正在确认接收数据 volatile uint8_t m_bEUARTTxEn = 0; //使能发送 void (*Usart1ParseDataCallback)(uint8_t); +void (*Usart0ParseDataCallback)(uint8_t); void Usart1InitVariables(void) { m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1; @@ -35,9 +40,10 @@ //uint16_t t1,t2,t3,t4; uint16_t t3; -uint32_t cndtr=0; + void UART_CheckReceive(void) { + uint32_t cndtr=0; int32_t DMACnt = 0; int32_t MaxDataLen = EUART_RX_BUF_SIZE; cndtr=get_uart1_dma_cndtr(); @@ -72,37 +78,37 @@ } void UART0_CheckReceive(void) -{ +{ uint32_t cndtr=0; int32_t DMACnt = 0; - int32_t MaxDataLen = EUART_RX_BUF_SIZE; + int32_t MaxDataLen = EUART0_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) + if(m_bEUART0PushingFrms) return; //判断是否正在Check - if(m_bEUARTCheckingRec) + if(m_bEUART0CheckingRec) return; - m_bEUARTCheckingRec = 1; + m_bEUART0CheckingRec = 1; if(cndtr== 0) { - m_bEUARTCheckingRec = 0; + m_bEUART0CheckingRec = 0; return; } - DMACnt = EUART_RX_BUF_SIZE - cndtr; - while( m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0) + DMACnt = EUART0_RX_BUF_SIZE - cndtr; + while( m_EUART0_DMA_RXPtr != DMACnt && MaxDataLen > 0) { - Usart1ParseDataCallback(m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]); + Usart0ParseDataCallback(m_EUART0_DMA_RXBuf[m_EUART0_DMA_RXPtr]); //waitusart_timer = tag_frequency*USART_KEEPWAKE_TIME; - m_EUART_DMA_RXPtr++; - if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) + m_EUART0_DMA_RXPtr++; + if( m_EUART0_DMA_RXPtr >= EUART_RX_BUF_SIZE ) { - m_EUART_DMA_RXPtr = 0; + m_EUART0_DMA_RXPtr = 0; } - DMACnt = EUART_RX_BUF_SIZE - cndtr; + DMACnt = EUART0_RX_BUF_SIZE - cndtr; MaxDataLen--; } - m_bEUARTCheckingRec = 0; + m_bEUART0CheckingRec = 0; } -- Gitblit v1.9.3