From 9e8a2b9c07fddcba3f0d2ae84c0c65f0f7f16c6a Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期四, 27 一月 2022 20:37:12 +0800 Subject: [PATCH] 中断模式,超宽带芯片读取状态异常,没有超时标志位 --- 源码/核心板/Src/application/serial_at_cmd_app.c | 104 ++++++++++++++++++++++++++++++++++++++------------- 1 files changed, 77 insertions(+), 27 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c" index ae83024..7c8d571 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c" @@ -5,11 +5,13 @@ #include "dw_app.h" #include "RTC.h" +#define MSG_RW 3 +#define MSG_WTAG 6 #define CMD_READ 1 #define CMD_WRITE 2 #define CMD_REPLY 3 -#define EUART_RX_BUF_SIZE 100 +#define EUART_RX_BUF_SIZE 200 typedef enum{ UsartReceiveWaitHead0, UsartReceiveWaitHead1, UsartReceiveWaitMsgType, @@ -18,13 +20,29 @@ UsartReceiveWaitIndex, UsartReceiveWaitDataLen, UsartReceiveWaitData, - UsartReceiveWaitChecksum + UsartReceiveWaitChecksum0, + UsartReceiveWaitChecksum1 }UsartRecvPackState; -uint8_t mUsartReceivePack[100] = {0}; +uint8_t mUsartReceivePack[100] = {0}; +uint8_t send_frame[200]; +void SendConfigConfirm(uint8_t pack_msgtype,uint8_t pack_length) +{ + uint16_t checksum = 0; + send_frame[0] = 0x55; + send_frame[1] = 0xAA; + send_frame[2] = 0x09; + send_frame[3] = 8; + send_frame[4] = pack_msgtype; + send_frame[5] = pack_length; + + checksum = Checksum_u16(&send_frame[2],8); + memcpy(&send_frame[10],&checksum,2); + + USART_puts(send_frame, 12); +} void SendComMap(uint8_t data_length, uint8_t index) { - static uint8_t send_frame[EUART_RX_BUF_SIZE]; uint16_t checksum = 0; send_frame[0] = 0x55; send_frame[1] = 0xAA; @@ -33,7 +51,7 @@ send_frame[4] = CMD_REPLY; send_frame[5] = index; send_frame[6] = data_length; - memcpy(&send_frame[7], &g_com_map[index], data_length); + memcpy(&send_frame[7], &g_com_map[index>>1], data_length); for(int i = 0; i<(data_length+5); i++) { checksum += send_frame[2+i]; @@ -43,7 +61,9 @@ UART_PushFrame(send_frame, data_length+9); } - +u8 remotetag_para[30]; +u8 remotesend_state=0; +u16 rec_checksum; void UsartParseDataHandler(uint8_t data) { static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0; @@ -53,7 +73,7 @@ - if(usart_receive_state == UsartReceiveWaitChecksum) { //若收到校验和包 + if(usart_receive_state == UsartReceiveWaitChecksum1) { //若收到校验和包. checksum = 0; for(int i = 0; i<pack_length-5; i++) { checksum += mUsartReceivePack[i]; @@ -63,37 +83,67 @@ checksum += pack_index; checksum += pack_datalen; checksum += pack_msgtype; - if((data + checksum)&0xff == 0xFF) //校验通过 + checksum = ~checksum; + rec_checksum = rec_checksum|(data<<8); + if(rec_checksum == checksum) //校验通过 { - switch(pack_cmd) + switch(pack_msgtype) { - case CMD_WRITE: - //从mUsartReceivePack中读取pack_length长度的字节,放到全局变量中 - memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen); - //返回一个error状态 - //SendComMap(pack_datalen,pack_index); - save_com_map_to_flash(); - delay_ms(100); - NVIC_SystemReset(); + case MSG_RW: + switch(pack_cmd) + { + case CMD_WRITE: + //从mUsartReceivePack中读取pack_length长度的字节,放到全局变量中 + if(pack_index<0xf0&&pack_index!=0x14) + // if(pack_index>100) + { + memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen); + //返回一个error状态 + //SendComMap(pack_datalen,pack_index); + save_com_map_to_flash(); + SendConfigConfirm(pack_msgtype,pack_length); + delay_ms(500); + SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader + + }else{ + memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen); + //返回一个error状态 + //SendComMap(pack_datalen,pack_index); + //save_com_map_to_flash(); + SendConfigConfirm(pack_msgtype,pack_length); + + } + break; + case CMD_READ: + //read包中data字节,即mUsartReceivePack[0]表示数据长度; + //从g_com_data结构体中的第index位置读取长度为mUsartReceivePack[0]的字节,发送出来 + SendComMap(pack_datalen,pack_index); + break; + default: + break; + } break; - case CMD_READ: - //read包中data字节,即mUsartReceivePack[0]表示数据长度; - //从g_com_data结构体中的第index位置读取长度为mUsartReceivePack[0]的字节,发送出来 - SendComMap(pack_datalen,pack_index>>1); + case MSG_WTAG: + remotesend_state++; + if(remotesend_state>14) + remotesend_state=1; + memcpy(remotetag_para,mUsartReceivePack,REMOTEPARA_LEN); break; - default: - break; - } + + } } usart_receive_state = UsartReceiveWaitHead0; pack_index = 0; pack_length = 0; index=0; - } else if((usart_receive_state == UsartReceiveWaitData) ) { //若果收到的是正常通讯包 + } else if((usart_receive_state == UsartReceiveWaitChecksum0) ) { + rec_checksum = data; + usart_receive_state = UsartReceiveWaitChecksum1; + }else if((usart_receive_state == UsartReceiveWaitData) ) { //若果收到的是正常通讯包 mUsartReceivePack[index] = data; index++; if(index == pack_length-5) { //如果收到的index与长度相等 - usart_receive_state = UsartReceiveWaitChecksum; + usart_receive_state = UsartReceiveWaitChecksum0; } } else if(usart_receive_state == UsartReceiveWaitDataLen) { //收到指令类型字节 pack_datalen = data; @@ -114,7 +164,7 @@ usart_receive_state = UsartReceiveWaitHead1; } else if((usart_receive_state == UsartReceiveWaitHead1) && (data == 0xAA)) { //收到第二个包头 usart_receive_state = UsartReceiveWaitMsgType; - }else if ((usart_receive_state == UsartReceiveWaitMsgType) && (data == 0x3)) { + }else if ((usart_receive_state == UsartReceiveWaitMsgType)) { usart_receive_state = UsartReceiveWaitLength; pack_msgtype = data; } -- Gitblit v1.9.3