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 | 81 ++++++++++++++++++++++++++++++++++++---- 1 files changed, 73 insertions(+), 8 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 6ed2bf7..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" @@ -1,6 +1,9 @@ #include "Usart.h" #include <string.h> - +#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 @@ -9,6 +12,8 @@ //DMA数据接收缓存 uint8_t m_EUART_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 +int16_t DMA_rxtemp = 0,DMA_rxtemp2 = 0; //当前数据地址缓存 +u16 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_bEUARTCheckingSend = 0; //正在确认数据发送 @@ -16,7 +21,6 @@ volatile uint8_t m_bEUARTTxEn = 0; //使能发送 void (*Usart1ParseDataCallback)(uint8_t); - void Usart1InitVariables(void) { m_EUART_TxFrm_FreeFrmLen = EUART_TX_FRM_SIZE-1; @@ -82,14 +86,18 @@ //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); GPIO_InitStructure.GPIO_Pin = EU_TX_PIN; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //Tx推挽复用输出 + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //Tx推挽复用输出 GPIO_Mode_AF_PP GPIO_Init(EU_TX_GPIO, &GPIO_InitStructure); + GPIO_InitStructure.GPIO_Pin = EU_485_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //Tx推挽复用输出 GPIO_Mode_AF_PP + GPIO_Init(EU_485_GPIO, &GPIO_InitStructure); + OUT485_DISABLE; #ifdef UART_GPIO_REMAP_ENABLE GPIO_PinRemapConfig(UART_GPIO_REMAP, ENABLE); #endif @@ -109,14 +117,19 @@ USART_ClockInit(EXT_UART, &USART_ClockInitStructure); USART_Init(EXT_UART, &USART_InitStructure); - +// USART_ITConfig(EXT_UART, USART_IT_RXNE, ENABLE);//??????,????? ?????????? // Enable the USARTx USART_Cmd(EXT_UART, ENABLE); //DMA配置(须放到UART初始化之后) UART_DMAConfiguration(); } - +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; @@ -134,10 +147,27 @@ m_bEUARTCheckingRec = 0; return; } + if(time32_incr-lastusartdata_timer>300&&receiveingdata_flag) + { + gpsdataready_flag = 1; + receiveingdata_flag = 0; + gps_packlen = rtcm_i; + rtcm_i = 0; + t1++; + if(g_com_map[DEV_ROLE]) + { + UWBSendOnePackData(RTCMdata,gps_packlen); + gpsdataready_flag = 0; + } + } 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]); + 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 ) { @@ -148,7 +178,6 @@ } m_bEUARTCheckingRec = 0; } - #ifndef EXUART_USE_TXDMA //查询方式发送数据 @@ -174,7 +203,9 @@ { if(m_bEUARTTxEn) { + OUT485_DISABLE; m_bEUARTTxEn = 0; + t3++; // temp32 = GPIOC->CRH; //C10悬空输入 // temp32 &= ~(0x00000000F<<8); // temp32 |= (0x000000004<<8); @@ -184,14 +215,23 @@ m_bEUARTCheckingSend = 0; return; } + if(!m_bEUARTTxEn) { m_bEUARTTxEn = 1; + OUT485_ENABLE; + 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); // temp32 |= (0x000000009<<8); // GPIOC->CRH = temp32;// */ } + //发送一个字节数据 EXT_UART->DR = m_EUART_TxFrames[m_EUART_TxFrm_Tail].buf[s_count]; s_count++; @@ -287,4 +327,29 @@ 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 */ + USART_SendData(USART1, c); + + /* Loop until the end of transmission */ + while (USART_GetFlagStatus(USART1, USART_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 fputc(int ch, FILE *f) +{ + + USART_SendData(USART1, (unsigned char) ch);// USART1 ???? USART2 ? + while (!(USART1->SR & USART_FLAG_TXE)); + return (ch); +} -- Gitblit v1.9.3