From d4e52e570a19bee6932b8ad34c5bd5966b1d3d3a Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期一, 08 十一月 2021 16:45:53 +0800 Subject: [PATCH] 菲曼模组测试完成 --- 源码/核心板/Src/OnChipDevices/Usart.c | 158 +++++++++++----------------------------------------- 1 files changed, 35 insertions(+), 123 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" index 822e860..fbc2616 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.c" @@ -3,7 +3,7 @@ #include <stdio.h> #include "modbus.h" #include "Rcc_Nvic_Systick.h" - +#include "global_param.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 volatile int8_t m_EUART_TxFrm_Tail = 0; //数据发送帧队列尾指针 @@ -86,7 +86,7 @@ //初始化管脚 GPIO_InitStructure.GPIO_Pin = EU_RX_PIN; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //Rx上拉输入 + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //Rx上拉输入 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(EU_RX_GPIO, &GPIO_InitStructure); @@ -124,16 +124,17 @@ UART_DMAConfiguration(); } -u8 overrun_flag=0; +u8 overrun_flag=0,receiveingdata_flag,gpsdataready_flag; +u8 RTCMdata[2000]; +u32 lastusartdata_timer; +u16 rtcm_i,gps_packlen; u16 t1,t2,t3,t4; +extern volatile uint32_t time32_incr; void UART_CheckReceive(void) { int32_t DMACnt = 0; int32_t MaxDataLen = EUART_RX_BUF_SIZE; - u8 rxbuf_len = 0; - u8 buftemp1 = 0; - u8 buftemp2 = 0; - u8 i = 0; + //如果正在往发送队列中添加数据,退出 if(m_bEUARTPushingFrms) return; @@ -146,127 +147,36 @@ m_bEUARTCheckingRec = 0; return; } - - DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR);//DMACnt是DMA通道接收到数据总长度,CNDTR是dma剩余未使用数量 - - if(DMACnt!=m_EUART_DMA_RXPtr) + if(time32_incr-lastusartdata_timer>300&&receiveingdata_flag) { - //DMA有未处理数据 - DMA_rxtemp=m_EUART_DMA_RXPtr+1; - delay_us(10); - overrun_flag=0; - if( DMA_rxtemp >= EUART_RX_BUF_SIZE ) + gpsdataready_flag = 1; + receiveingdata_flag = 0; + gps_packlen = rtcm_i; + rtcm_i = 0; + t1++; + if(g_com_map[DEV_ROLE]) { - DMA_rxtemp = 0; + UWBSendOnePackData(RTCMdata,gps_packlen); + gpsdataready_flag = 0; } - DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR);//DMACnt是DMA通道接收到数据总长度,CNDTR是dma剩余未使用数量 - if(DMACnt!=DMA_rxtemp&&(cmd_mode==0)) + } + DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR); + while( m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0) + { + receiveingdata_flag = 1; + lastusartdata_timer = time32_incr; + //Usart1ParseDataCallback(m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]); + RTCMdata[rtcm_i++] = m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]; + //delay_us(10); + m_EUART_DMA_RXPtr++; + if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) { - //DMA有超过2位数据未处理 - DMA_rxtemp = 0;//清空数组指针 - datadelaycount = 0;//等待次数清零 - buftemp1 = m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]; - buftemp2 = m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr+1]; - if((buftemp1==0x55)&&(buftemp2==0xAA)) - { - //私有协议 - cmd_mode = 1; - } - else if(buftemp1==RS485_Addr) - { - if((buftemp2==03)||(buftemp2==06)||(buftemp2==16))//功能码正确 - { - //modubs协议 - t1++; - cmd_mode=2; - DMA_rxtemp2=m_EUART_DMA_RXPtr+7; - if( DMA_rxtemp2 >= EUART_RX_BUF_SIZE-1 ) - { - DMA_rxtemp2 -= EUART_RX_BUF_SIZE; - overrun_flag=1; - } - } - else - { - m_EUART_DMA_RXPtr+=2; - if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) - { - m_EUART_DMA_RXPtr = 0; - } - } - } - else - { - //无效码,干扰码 - if(cmd_mode==0) - { - m_EUART_DMA_RXPtr+=2; - if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) - { - m_EUART_DMA_RXPtr = 0; - } - } - } + m_EUART_DMA_RXPtr = 0; } - else - { - //只有1位数据未处理 - if(++datadelaycount > WAITDELAYCOUNT) - { //超出等待次数 - datadelaycount = 0; - cmd_mode=0; - m_EUART_DMA_RXPtr++; - if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) - { - m_EUART_DMA_RXPtr = 0; - } - } - } - if(cmd_mode==1) - { - //私有协议 - while( m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0) - { - Usart1ParseDataCallback(m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]); - 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--; - } - } - else if(cmd_mode==2) - { - //modbus协议 - // delay_ms(10);//等待数据接收完成 - DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR); - if((overrun_flag==0&&DMACnt>DMA_rxtemp2)||(overrun_flag==1&&DMACnt<DMA_rxtemp&&DMACnt>DMA_rxtemp2)) - { while(m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0) - { - RS485_RX_BUFF[i] = m_EUART_DMA_RXBuf[m_EUART_DMA_RXPtr]; - m_EUART_DMA_RXPtr++; - if(++i >= EUART_RX_BUF_SIZE)i = 0; - 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_EUART_DMA_RXPtr++;//数据指向下一位 -// if( m_EUART_DMA_RXPtr >= EUART_RX_BUF_SIZE ) -// { -// m_EUART_DMA_RXPtr = 0; -// } - t2++; - RS485_Service(); - } - } - } - - m_bEUARTCheckingRec = 0; + DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR); + MaxDataLen--; + } + m_bEUARTCheckingRec = 0; } #ifndef EXUART_USE_TXDMA @@ -313,6 +223,8 @@ t4++; #ifdef BAUDRATE_19200 delay_us(500); + #else + delay_us(10); #endif // temp32 = GPIOC->CRH; //C10复用推挽输出 // temp32 &= ~(0x00000000F<<8); -- Gitblit v1.9.3