| | |
| | | #include "Rcc_Nvic_Systick.h" |
| | | |
| | | //数据发送队列变量 |
| | | EUART_Frame m_EUART_TxFrames[EUART_TX_FRM_SIZE]; //数据发送帧队列 |
| | | EUART_Frame m_EUART_TxFrames[EUART_TX_FRM_SIZE]; //数据发送帧队列 |
| | | volatile int8_t m_EUART_TxFrm_Tail = 0; //数据发送帧队列尾指针 |
| | | volatile int8_t m_EUART_TxFrm_Head = 0; //数据发送帧队列头指针 |
| | | volatile int8_t m_EUART_TxFrm_FreeFrmLen = 0; //数据发送帧队列剩余帧数 |
| | |
| | | |
| | | void (*Usart1ParseDataCallback)(uint8_t); |
| | | void Usart1InitVariables(void) |
| | | { |
| | | m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1; |
| | | { |
| | | m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1; |
| | | } |
| | | |
| | | //UART DMA的配置 |
| | |
| | | uint16_t t1,t2,t3,t4; |
| | | void UART_CheckReceive(void) |
| | | { |
| | | int32_t DMACnt = 0; |
| | | int32_t MaxDataLen = EUART_RX_BUF_SIZE; |
| | | |
| | | //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(EUART_RX_DMA_CH->CNDTR == 0) |
| | | { |
| | | m_bEUARTCheckingRec = 0; |
| | | return; |
| | | } |
| | | DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->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; |
| | | //delay_us(10); |
| | | m_EUART_DMA_RXPtr++; |
| | | if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) |
| | | { |
| | | m_EUART_DMA_RXPtr = 0; |
| | | } |
| | | DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR); |
| | | MaxDataLen--; |
| | | } |
| | | m_bEUARTCheckingRec = 0; |
| | | int32_t DMACnt = 0; |
| | | int32_t MaxDataLen = EUART_RX_BUF_SIZE; |
| | | |
| | | //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(EUART_RX_DMA_CH->CNDTR == 0) |
| | | { |
| | | m_bEUARTCheckingRec = 0; |
| | | return; |
| | | } |
| | | DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->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; |
| | | //delay_us(10); |
| | | m_EUART_DMA_RXPtr++; |
| | | if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) |
| | | { |
| | | m_EUART_DMA_RXPtr = 0; |
| | | } |
| | | DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR); |
| | | MaxDataLen--; |
| | | } |
| | | m_bEUARTCheckingRec = 0; |
| | | } |
| | | |
| | | #ifndef EXUART_USE_TXDMA |
| | | #ifndef EXUART_USE_TXDMA |
| | | //查询方式发送数据 |
| | | void UART_CheckSend(void) |
| | | { |
| | | static int32_t s_count = 0; |
| | | static int32_t s_count = 0; |
| | | // uint32_t temp32 = 0; |
| | | |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | m_bEUARTCheckingSend = 1; |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | m_bEUARTCheckingSend = 1; |
| | | |
| | | //判断队列是否为空以及DMA是否空闲 |
| | | if ((EXT_UART->ISR & UART_FLAG_TXE) == (uint16_t)RESET) //上次发送未完成 |
| | | { |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | |
| | | if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail) //队列为空 |
| | | { |
| | | if((EXT_UART->ISR & UART_FLAG_TC) != (uint16_t)RESET) //发送完毕 |
| | | { |
| | | if(m_bEUARTTxEn) |
| | | { |
| | | m_bEUARTTxEn = 0; |
| | | t3++; |
| | | //判断队列是否为空以及DMA是否空闲 |
| | | if ((EXT_UART->ISR & UART_FLAG_TXE) == (uint16_t)RESET) //上次发送未完成 |
| | | { |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | |
| | | if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail) //队列为空 |
| | | { |
| | | if((EXT_UART->ISR & UART_FLAG_TC) != (uint16_t)RESET) //发送完毕 |
| | | { |
| | | if(m_bEUARTTxEn) |
| | | { |
| | | m_bEUARTTxEn = 0; |
| | | t3++; |
| | | // temp32 = GPIOC->CRH; //C10悬空输入 |
| | | // temp32 &= ~(0x00000000F<<8); |
| | | // temp32 &= ~(0x00000000F<<8); |
| | | // temp32 |= (0x000000004<<8); |
| | | // GPIOC->CRH = temp32;// */ |
| | | } |
| | | } |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | |
| | | if(!m_bEUARTTxEn) |
| | | { |
| | | m_bEUARTTxEn = 1; |
| | | #ifdef BAUDRATE_19200 |
| | | delay_us(500); |
| | | #else |
| | | delay_us(10); |
| | | #endif |
| | | } |
| | | } |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | |
| | | if(!m_bEUARTTxEn) |
| | | { |
| | | m_bEUARTTxEn = 1; |
| | | #ifdef BAUDRATE_19200 |
| | | delay_us(500); |
| | | #else |
| | | delay_us(10); |
| | | #endif |
| | | // temp32 = GPIOC->CRH; //C10复用推挽输出 |
| | | // temp32 &= ~(0x00000000F<<8); |
| | | // temp32 |= (0x000000009<<8); |
| | | // GPIOC->CRH = temp32;// */ |
| | | } |
| | | |
| | | //发送一个字节数据 |
| | | EXT_UART->TDR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf[s_count]; |
| | | s_count++; |
| | | if(s_count >= m_EUART_TxFrames[m_EUART_TxFrm_Tail].len) //一帧数据发送完毕 |
| | | { |
| | | s_count = 0; |
| | | m_EUART_TxFrm_Tail++; |
| | | if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE) |
| | | m_EUART_TxFrm_Tail = 0; |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | } |
| | | m_bEUARTCheckingSend = 0; |
| | | } // */ |
| | | } |
| | | |
| | | //发送一个字节数据 |
| | | EXT_UART->TDR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf[s_count]; |
| | | s_count++; |
| | | if(s_count >= m_EUART_TxFrames[m_EUART_TxFrm_Tail].len) //一帧数据发送完毕 |
| | | { |
| | | s_count = 0; |
| | | m_EUART_TxFrm_Tail++; |
| | | if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE) |
| | | m_EUART_TxFrm_Tail = 0; |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | } |
| | | m_bEUARTCheckingSend = 0; |
| | | } // */ |
| | | |
| | | #else |
| | | /* |
| | | /* |
| | | //检查是否数据帧需要发送 |
| | | void UART_CheckSend(void) |
| | | { |
| | | //判断是否正在Check |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | m_bEUARTCheckingSend = 1; |
| | | //判断是否正在Check |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | m_bEUARTCheckingSend = 1; |
| | | |
| | | //判断DMA通道是否正在工作 |
| | | if((EUART_TX_DMA_CH->CCR & 0x01) != 0) //通道正在工作 |
| | | { |
| | | if((EUART_DMA->ISR & EUART_TX_DMA_IT_TC) == (uint32_t)RESET) //传输未完成 |
| | | { |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | else |
| | | { |
| | | EUART_DMA->IFCR = EUART_TX_DMA_IT_TC; //清除标志(注意寄存器和标志名称) |
| | | EUART_TX_DMA_CH->CCR &= ~((uint32_t)0x01); //禁用DMA |
| | | } |
| | | } |
| | | |
| | | //判断队列是否为空 |
| | | if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail) |
| | | //判断DMA通道是否正在工作 |
| | | if((EUART_TX_DMA_CH->CCR & 0x01) != 0) //通道正在工作 |
| | | { |
| | | if((EUART_DMA->ISR & EUART_TX_DMA_IT_TC) == (uint32_t)RESET) //传输未完成 |
| | | { |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | |
| | | //开启一次数据发送 |
| | | EUART_TX_DMA_CH->CMAR = (uint32_t)m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf; //要发送的内存地址 |
| | | EUART_TX_DMA_CH->CNDTR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].len; //要发送的字节数 |
| | | EUART_TX_DMA_CH->CCR |= 0x01; //开启一次DMA |
| | | m_EUART_TxFrm_Tail++; |
| | | if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE) |
| | | m_EUART_TxFrm_Tail = 0; |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | m_bEUARTCheckingSend = 0; |
| | | } // */ |
| | | else |
| | | { |
| | | EUART_DMA->IFCR = EUART_TX_DMA_IT_TC; //清除标志(注意寄存器和标志名称) |
| | | EUART_TX_DMA_CH->CCR &= ~((uint32_t)0x01); //禁用DMA |
| | | } |
| | | } |
| | | |
| | | //判断队列是否为空 |
| | | if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail) |
| | | { |
| | | m_bEUARTCheckingSend = 0; |
| | | return; |
| | | } |
| | | |
| | | //开启一次数据发送 |
| | | EUART_TX_DMA_CH->CMAR = (uint32_t)m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf; //要发送的内存地址 |
| | | EUART_TX_DMA_CH->CNDTR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].len; //要发送的字节数 |
| | | EUART_TX_DMA_CH->CCR |= 0x01; //开启一次DMA |
| | | m_EUART_TxFrm_Tail++; |
| | | if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE) |
| | | m_EUART_TxFrm_Tail = 0; |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | m_bEUARTCheckingSend = 0; |
| | | } // */ |
| | | #endif |
| | | |
| | | |
| | |
| | | void UART_PushFrame(uint8_t* pdata, int32_t data_len) |
| | | { |
| | | // uint8_t temp8 = 0; |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | m_bEUARTPushingFrms = 1; |
| | | |
| | | if(data_len > EUART_TX_FRMBUF_SIZE || m_EUART_TxFrm_FreeFrmLen <= 0) //帧长度超范围或缓存已满 |
| | | { |
| | | m_bEUARTPushingFrms = 0; |
| | | return; |
| | | } |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | m_bEUARTPushingFrms = 1; |
| | | |
| | | //将要发送的数据帧压入队列 |
| | | m_EUART_TxFrames[m_EUART_TxFrm_Head].len = data_len; |
| | | memcpy((uint8_t*)m_EUART_TxFrames[m_EUART_TxFrm_Head].buf, (uint8_t*)pdata, data_len); |
| | | m_EUART_TxFrm_Head++; |
| | | if(m_EUART_TxFrm_Head == EUART_TX_FRM_SIZE) |
| | | m_EUART_TxFrm_Head = 0; |
| | | m_EUART_TxFrm_FreeFrmLen--; |
| | | m_bEUARTPushingFrms = 0; |
| | | if(data_len > EUART_TX_FRMBUF_SIZE || m_EUART_TxFrm_FreeFrmLen <= 0) //帧长度超范围或缓存已满 |
| | | { |
| | | m_bEUARTPushingFrms = 0; |
| | | return; |
| | | } |
| | | |
| | | //将要发送的数据帧压入队列 |
| | | m_EUART_TxFrames[m_EUART_TxFrm_Head].len = data_len; |
| | | memcpy((uint8_t*)m_EUART_TxFrames[m_EUART_TxFrm_Head].buf, (uint8_t*)pdata, data_len); |
| | | m_EUART_TxFrm_Head++; |
| | | if(m_EUART_TxFrm_Head == EUART_TX_FRM_SIZE) |
| | | m_EUART_TxFrm_Head = 0; |
| | | m_EUART_TxFrm_FreeFrmLen--; |
| | | m_bEUARTPushingFrms = 0; |
| | | } |
| | | |
| | | //将最新一帧数据Pop出队列 |
| | | void UART_PopFrame(void) |
| | | { |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | if(m_EUART_TxFrm_FreeFrmLen >= EUART_TX_FRM_SIZE-1) |
| | | return; |
| | | m_EUART_TxFrm_Head--; |
| | | if(m_EUART_TxFrm_Head < 0) |
| | | m_EUART_TxFrm_Head = EUART_TX_FRM_SIZE-1; |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | if(m_bEUARTPushingFrms || m_bEUARTCheckingSend) |
| | | return; |
| | | if(m_EUART_TxFrm_FreeFrmLen >= EUART_TX_FRM_SIZE-1) |
| | | return; |
| | | m_EUART_TxFrm_Head--; |
| | | if(m_EUART_TxFrm_Head < 0) |
| | | m_EUART_TxFrm_Head = EUART_TX_FRM_SIZE-1; |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | } |
| | | void USART_putc(char c) |
| | | { |
| | | //while(!(USART2->SR & 0x00000040)); |
| | | //USART_SendData(USART2,c); |
| | | /* e.g. write a character to the USART */ |
| | | HAL_UART_Transmit(&huart1,(uint8_t*)&c,1,1); |
| | | //while(!(USART2->SR & 0x00000040)); |
| | | //USART_SendData(USART2,c); |
| | | /* e.g. write a character to the USART */ |
| | | HAL_UART_Transmit(&huart1,(uint8_t*)&c,1,1); |
| | | |
| | | /* Loop until the end of transmission */ |
| | | while ((USART1->ISR, UART_FLAG_TC) == RESET) ; |
| | | /* Loop until the end of transmission */ |
| | | while ((USART1->ISR, UART_FLAG_TC) == RESET) ; |
| | | } |
| | | void USART_puts(uint8_t *s,uint8_t len) |
| | | { |
| | | int i; |
| | | for(i=0; i<len; i++) |
| | | { |
| | | USART_putc(s[i]); |
| | | } |
| | | int i; |
| | | for(i=0; i<len; i++) |
| | | { |
| | | USART_putc(s[i]); |
| | | } |
| | | } |
| | | int fputc(int ch, FILE *f) |
| | | { |
| | | |
| | | HAL_UART_Transmit(&huart1,(uint8_t*)&ch,1,1); |
| | | return (ch); |
| | | |
| | | HAL_UART_Transmit(&huart1,(uint8_t*)&ch,1,1); |
| | | return (ch); |
| | | } |
| | | |