From 5b6fe0edc2790d1948c09b191a2a565e8874f875 Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期二, 24 五月 2022 09:57:23 +0800 Subject: [PATCH] V1.64 只和3个基站测距 --- 源码/核心板/Src/application/serial_at_cmd_app.c | 56 +++++++++++++++++++++++++++++++++++++------------------- 1 files changed, 37 insertions(+), 19 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 2993869..b50be74 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" @@ -7,6 +7,7 @@ #define MSG_RW 3 #define MSG_WTAG 6 +#define MSG_USERDATA 0x10 #define CMD_READ 1 #define CMD_WRITE 2 @@ -35,11 +36,12 @@ send_frame[3] = 8; send_frame[4] = pack_msgtype; send_frame[5] = pack_length; - +OUT485_ENABLE; checksum = Checksum_u16(&send_frame[2],8); memcpy(&send_frame[10],&checksum,2); USART_puts(send_frame, 12); + OUT485_DISABLE; } void SendComMap(uint8_t data_length, uint8_t index) { @@ -61,9 +63,11 @@ UART_PushFrame(send_frame, data_length+9); } -u8 remotetag_para[30]; +u8 remotetag_para[30],remotetag_paralen,userdata_len,userdata[50]; + u8 remotesend_state=0; -u16 rec_checksum; +u16 rec_checksum,userdata_targetid; +u32 getuserdata_tick; void UsartParseDataHandler(uint8_t data) { static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0; @@ -73,7 +77,7 @@ - if(usart_receive_state == UsartReceiveWaitChecksum1) { //若收到校验和包. + if(usart_receive_state == UsartReceiveWaitChecksum1) { //???????. checksum = 0; for(int i = 0; i<pack_length-5; i++) { checksum += mUsartReceivePack[i]; @@ -85,7 +89,7 @@ checksum += pack_msgtype; checksum = ~checksum; rec_checksum = rec_checksum|(data<<8); - if(rec_checksum == checksum) //校验通过 + if(rec_checksum == checksum) //???? { switch(pack_msgtype) { @@ -93,18 +97,18 @@ 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 + //?mUsartReceivePack???pack_length?????,??????? memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen); - //返回一个error状态 + //????error?? //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 + SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //?????bootloader 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 + //read??data??,?mUsartReceivePack[0]??????; + //?g_com_data??????index???????mUsartReceivePack[0]???,???? SendComMap(pack_datalen,pack_index); break; default: @@ -117,6 +121,20 @@ remotesend_state=1; memcpy(remotetag_para,mUsartReceivePack,REMOTEPARA_LEN); break; + + case MSG_USERDATA: + userdata_targetid = pack_cmd|pack_index<<8; + userdata_len = pack_datalen; + //memcpy(&userdata_targetid,mUsartReceivePack,2); + if(userdata_len==USERDATA_LEN) + { + memcpy(userdata,&userdata_targetid,2); + userdata[2] = userdata_len; + memcpy(&userdata[3],&mUsartReceivePack,USERDATA_LEN); + getuserdata_tick = time32_incr; + SendConfigConfirm(pack_msgtype,pack_length); + } + break; } } @@ -127,30 +145,30 @@ } 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 + }else if((usart_receive_state == UsartReceiveWaitData) ) { //??????????? mUsartReceivePack[index] = data; index++; - if(index == pack_length-5) { //如果收到的index与长度相等 + if(index == pack_length-5) { //?????index????? usart_receive_state = UsartReceiveWaitChecksum0; } - } else if(usart_receive_state == UsartReceiveWaitDataLen) { //收到指令类型字节 + } else if(usart_receive_state == UsartReceiveWaitDataLen) { //???????? pack_datalen = data; usart_receive_state = UsartReceiveWaitData; - }else if(usart_receive_state == UsartReceiveWaitIndex) { //收到指令类型字节 + }else if(usart_receive_state == UsartReceiveWaitIndex) { //???????? pack_index = data; usart_receive_state = UsartReceiveWaitDataLen; - } else if(usart_receive_state == UsartReceiveWaitCMD) { //收到指令类型字节 + } else if(usart_receive_state == UsartReceiveWaitCMD) { //???????? pack_cmd = data; usart_receive_state = UsartReceiveWaitIndex; - } else if(usart_receive_state == UsartReceiveWaitLength) { //收到长度字节 + } else if(usart_receive_state == UsartReceiveWaitLength) { //?????? pack_length = data; pack_index = 0; usart_receive_state = UsartReceiveWaitCMD; - } else if((usart_receive_state == UsartReceiveWaitHead0) && (data == 0x55)) { //收到第一个包头 + } else if((usart_receive_state == UsartReceiveWaitHead0) && (data == 0x55)) { //??????? usart_receive_state = UsartReceiveWaitHead1; - } else if((usart_receive_state == UsartReceiveWaitHead1) && (data == 0xAA)) { //收到第二个包头 + } else if((usart_receive_state == UsartReceiveWaitHead1) && (data == 0xAA)) { //??????? usart_receive_state = UsartReceiveWaitMsgType; }else if ((usart_receive_state == UsartReceiveWaitMsgType)) { usart_receive_state = UsartReceiveWaitLength; @@ -162,4 +180,4 @@ pack_length = 0; } -} +} \ No newline at end of file -- Gitblit v1.9.3