From 083ca82eb09340e71de8694fbb5bae9b99489b38 Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期一, 21 六月 2021 17:01:45 +0800 Subject: [PATCH] 67 功率 --- 源码/核心板/Src/application/serial_at_cmd_app.c | 21 ++++++++++++++------- 1 files changed, 14 insertions(+), 7 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 ba2b77e..2993869 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" @@ -11,7 +11,7 @@ #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, @@ -20,7 +20,8 @@ UsartReceiveWaitIndex, UsartReceiveWaitDataLen, UsartReceiveWaitData, - UsartReceiveWaitChecksum + UsartReceiveWaitChecksum0, + UsartReceiveWaitChecksum1 }UsartRecvPackState; uint8_t mUsartReceivePack[100] = {0}; @@ -62,6 +63,7 @@ } u8 remotetag_para[30]; u8 remotesend_state=0; +u16 rec_checksum; void UsartParseDataHandler(uint8_t data) { static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0; @@ -71,7 +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]; @@ -81,7 +83,9 @@ 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_msgtype) { @@ -95,7 +99,7 @@ //SendComMap(pack_datalen,pack_index); save_com_map_to_flash(); SendConfigConfirm(pack_msgtype,pack_length); - delay_ms(10); + delay_ms(500); SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader break; case CMD_READ: @@ -120,11 +124,14 @@ 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; -- Gitblit v1.9.3