#include "Usart.h"
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#include <string.h>
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#include <stdio.h>
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#include "mk_uart.h"
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#include "UART.h"
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//#include "modbus.h"
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//#include "Rcc_Nvic_Systick.h"
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//Êý¾Ý·¢ËͶÓÁбäÁ¿
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EUART_Frame m_EUART_TxFrames[EUART_TX_FRM_SIZE]; //Êý¾Ý·¢ËÍÖ¡¶ÓÁÐ
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volatile int8_t m_EUART_TxFrm_Tail = 0; //Êý¾Ý·¢ËÍÖ¡¶ÓÁÐβָÕë
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volatile int8_t m_EUART_TxFrm_Head = 0; //Êý¾Ý·¢ËÍÖ¡¶ÓÁÐÍ·Ö¸Õë
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volatile int8_t m_EUART_TxFrm_FreeFrmLen = 0; //Êý¾Ý·¢ËÍÖ¡¶ÓÁÐÊ£ÓàÖ¡Êý
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//DMAÊý¾Ý½ÓÊÕ»º´æ
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uint8_t m_EUART_DMA_RXBuf[EUART_RX_BUF_SIZE]; //DMAÊý¾Ý½ÓÊÕ»º´æ
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volatile int32_t m_EUART_DMA_RXPtr = 0; //µ±Ç°Êý¾ÝµØÖ·
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//int16_t DMA_rxtemp = 0,DMA_rxtemp2 = 0; //µ±Ç°Êý¾ÝµØÖ·»º´æ
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//uint16_t datadelaycount = 0; //Ê£Óà1λÊý¾ÝÑÓʱµÈ´ý´¦Àí
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//±êÖ¾±äÁ¿
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volatile uint8_t m_bEUARTPushingFrms = 0; //ÕýÔÚÍù·¢ËͶÓÁдæÊý¾Ý
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volatile uint8_t m_bEUARTCheckingSend = 0; //ÕýÔÚÈ·ÈÏÊý¾Ý·¢ËÍ
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volatile uint8_t m_bEUARTCheckingRec = 0; //ÕýÔÚÈ·ÈϽÓÊÕÊý¾Ý
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volatile uint8_t m_bEUARTTxEn = 0; //ʹÄÜ·¢ËÍ
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void (*Usart1ParseDataCallback)(uint8_t);
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void Usart1InitVariables(void)
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{
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m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1;
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}
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//uint8_t overrun_flag=0;
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//uint16_t t1,t2,t3,t4;
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uint16_t t3;
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uint32_t cndtr=0;
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void UART_CheckReceive(void)
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{
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int32_t DMACnt = 0;
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int32_t MaxDataLen = EUART_RX_BUF_SIZE;
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cndtr=get_uart1_dma_cndtr();
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//ȱÉÙcheck±£»¤
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//Èç¹ûÕýÔÚÍù·¢ËͶÓÁÐÖÐÌí¼ÓÊý¾Ý£¬Í˳ö
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if(m_bEUARTPushingFrms)
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return;
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//ÅжÏÊÇ·ñÕýÔÚCheck
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if(m_bEUARTCheckingRec)
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return;
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m_bEUARTCheckingRec = 1;
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if(cndtr== 0)
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{
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m_bEUARTCheckingRec = 0;
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return;
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}
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DMACnt = EUART_RX_BUF_SIZE - cndtr;
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while( m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0)
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{
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// ÆúÓô˲¿·ÖÂß¼
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// Usart1ParseDataCallback(m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]);
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// ʹÓÃUART.c·½·¨½ÓÈëÊý¾Ý£¬ÒÔ±ãʹÓÃSTM32µÄÂß¼
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Uart_SetChar(UART_ID_DBG_GPS, m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]);
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DBG_Poll();
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//waitusart_timer = tag_frequency*USART_KEEPWAKE_TIME;
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m_EUART_DMA_RXPtr++;
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if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE )
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{
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m_EUART_DMA_RXPtr = 0;
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}
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DMACnt = EUART_RX_BUF_SIZE - cndtr;
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MaxDataLen--;
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}
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m_bEUARTCheckingRec = 0;
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}
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#ifndef EXUART_USE_TXDMA
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//²éѯ·½Ê½·¢ËÍÊý¾Ý
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void UART_CheckSend(void)
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{
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// static int32_t s_count = 0;
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//// uint32_t temp32 = 0;
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if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
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return;
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m_bEUARTCheckingSend = 1;
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// //Åж϶ÓÁÐÊÇ·ñΪ¿ÕÒÔ¼°DMAÊÇ·ñ¿ÕÏÐ
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// //if ((EXT_UART->ISR & UART_FLAG_TXE) == (uint16_t)RESET) //Éϴη¢ËÍδÍê³É//MK8000ÐÞ¸Ä
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// {
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// m_bEUARTCheckingSend = 0;
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// return;
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// }
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//
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// if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail) //¶ÓÁÐΪ¿Õ
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// {
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// //if((EXT_UART->ISR & UART_FLAG_TC) != (uint16_t)RESET) //·¢ËÍÍê±Ï//MK8000ÐÞ¸Ä
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// {
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// if(m_bEUARTTxEn)
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// {
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// m_bEUARTTxEn = 0;
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// t3++;
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//// temp32 = GPIOC->CRH; //C10Ðü¿ÕÊäÈë
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//// temp32 &= ~(0x00000000F<<8);
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//// temp32 |= (0x000000004<<8);
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//// GPIOC->CRH = temp32;// */
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// }
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// }
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// m_bEUARTCheckingSend = 0;
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// return;
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// }
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//
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// if(!m_bEUARTTxEn)
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// {
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// m_bEUARTTxEn = 1;
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// #ifdef BAUDRATE_19200
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// delay_us(500);
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// #else
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// delay_us(10);
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// #endif
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//// temp32 = GPIOC->CRH; //C10¸´ÓÃÍÆÍìÊä³ö
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//// temp32 &= ~(0x00000000F<<8);
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//// temp32 |= (0x000000009<<8);
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//// GPIOC->CRH = temp32;// */
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// }
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//
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// //·¢ËÍÒ»¸ö×Ö½ÚÊý¾Ý
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// //EXT_UART->TDR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf[s_count];//MK8000ÐÞ¸Ä
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// s_count++;
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// if(s_count >= m_EUART_TxFrames[m_EUART_TxFrm_Tail].len) //Ò»Ö¡Êý¾Ý·¢ËÍÍê±Ï
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// {
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// s_count = 0;
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// m_EUART_TxFrm_Tail++;
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// if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE)
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// m_EUART_TxFrm_Tail = 0;
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// m_EUART_TxFrm_FreeFrmLen++;
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// }
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// m_bEUARTCheckingSend = 0;
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//
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}
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#else
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/*
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//¼ì²éÊÇ·ñÊý¾ÝÖ¡ÐèÒª·¢ËÍ
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void UART_CheckSend(void)
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{
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//ÅжÏÊÇ·ñÕýÔÚCheck
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if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
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return;
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m_bEUARTCheckingSend = 1;
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//ÅжÏDMAͨµÀÊÇ·ñÕýÔÚ¹¤×÷
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if((EUART_TX_DMA_CH->CCR & 0x01) != 0) //ͨµÀÕýÔÚ¹¤×÷
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{
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if((EUART_DMA->ISR & EUART_TX_DMA_IT_TC) == (uint32_t)RESET) //´«ÊäδÍê³É
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{
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m_bEUARTCheckingSend = 0;
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return;
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}
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else
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{
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EUART_DMA->IFCR = EUART_TX_DMA_IT_TC; //Çå³ý±êÖ¾£¨×¢Òâ¼Ä´æÆ÷ºÍ±êÖ¾Ãû³Æ£©
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EUART_TX_DMA_CH->CCR &= ~((uint32_t)0x01); //½ûÓÃDMA
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}
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}
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//Åж϶ÓÁÐÊÇ·ñΪ¿Õ
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if(m_EUART_TxFrm_Head == m_EUART_TxFrm_Tail)
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{
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m_bEUARTCheckingSend = 0;
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return;
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}
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//¿ªÆôÒ»´ÎÊý¾Ý·¢ËÍ
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EUART_TX_DMA_CH->CMAR = (uint32_t)m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf; //Òª·¢Ë͵ÄÄÚ´æµØÖ·
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EUART_TX_DMA_CH->CNDTR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].len; //Òª·¢Ë͵Ä×Ö½ÚÊý
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EUART_TX_DMA_CH->CCR |= 0x01; //¿ªÆôÒ»´ÎDMA
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m_EUART_TxFrm_Tail++;
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if(m_EUART_TxFrm_Tail == EUART_TX_FRM_SIZE)
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m_EUART_TxFrm_Tail = 0;
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m_EUART_TxFrm_FreeFrmLen++;
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m_bEUARTCheckingSend = 0;
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} // */
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#endif
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//½«Ò»Ö¡Êý¾ÝѹÈë·¢ËͶÓÁÐ
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void UART_PushFrame(uint8_t* pdata, int32_t data_len)
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{
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// uint8_t temp8 = 0;
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if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
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return;
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m_bEUARTPushingFrms = 1;
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if(data_len > EUART_TX_FRMBUF_SIZE || m_EUART_TxFrm_FreeFrmLen <= 0) //Ö¡³¤¶È³¬·¶Î§»ò»º´æÒÑÂú
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{
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m_bEUARTPushingFrms = 0;
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return;
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}
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//½«Òª·¢Ë͵ÄÊý¾Ý֡ѹÈë¶ÓÁÐ
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m_EUART_TxFrames[m_EUART_TxFrm_Head].len = data_len;
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memcpy((uint8_t*)m_EUART_TxFrames[m_EUART_TxFrm_Head].buf, (uint8_t*)pdata, data_len);
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m_EUART_TxFrm_Head++;
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if(m_EUART_TxFrm_Head == EUART_TX_FRM_SIZE)
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m_EUART_TxFrm_Head = 0;
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m_EUART_TxFrm_FreeFrmLen--;
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m_bEUARTPushingFrms = 0;
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}
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//½«×îÐÂÒ»Ö¡Êý¾ÝPop³ö¶ÓÁÐ
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void UART_PopFrame(void)
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{
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if(m_bEUARTPushingFrms || m_bEUARTCheckingSend)
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return;
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if(m_EUART_TxFrm_FreeFrmLen >= EUART_TX_FRM_SIZE-1)
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return;
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m_EUART_TxFrm_Head--;
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if(m_EUART_TxFrm_Head < 0)
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m_EUART_TxFrm_Head = EUART_TX_FRM_SIZE-1;
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m_EUART_TxFrm_FreeFrmLen++;
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}
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void USART_putc(uint8_t c)
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{
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//while(!(USART2->SR & 0x00000040));
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//USART_SendData(USART2,c);
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/* e.g. write a character to the USART */
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uart_send(UART_ID1, &c, 1, NULL);
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/* Loop until the end of transmission */
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//while ((USART1->ISR, UART_FLAG_TC) == RESET) ;MK8000ÐÞ¸Ä
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}
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void USART_puts(uint8_t *s,uint8_t len)
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{
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int i;
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for(i=0; i<len; i++)
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{
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USART_putc(s[i]);
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}
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}
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//int fputc(int ch, FILE *f)
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//{
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//
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//HAL_UART_Transmit(&huart1,(uint8_t*)&ch,1,1);
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// return (ch);
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//}
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///***************** UART·¢ËÍÒ»¸ö×Ö·û **********************/
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//void Uart2_SendByte( uint8_t ch )
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//{
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// /* ·¢ËÍÒ»¸ö×Ö½ÚÊý¾Ýµ½USART1 */
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// HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0x7FFF);
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//}
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///***************** ·¢ËÍÖ¸¶¨³¤¶ÈµÄ×Ö·û´® **********************/
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//void Uart2_SendStr_length( uint8_t *str,uint32_t strlen )
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//{
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// unsigned int k=0;
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// do
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// {
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// Uart2_SendByte( *(str + k) );
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// k++;
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// } while(k < strlen);
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//}
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///***************** ·¢ËÍ×Ö·û´® **********************/
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//void Uart2_SendString( uint8_t *str)
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//{
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// unsigned int k=0;
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// do
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// {
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// Uart2_SendByte( *(str + k) );
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// k++;
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// } while(*(str + k)!='\0');
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//}
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