LPC23XX串口通信协议

1、lpc23xx串口通信有要工程的同志可以找我！/*串口接收部分函数*/void configuration(uint8 revchar) if (revchar = ) /* 协议头 */ config_buffer0 = ; config_len = 1; else if (revchar = ) /* 协议结束 */ config_bufferconfig_len=; cmd_len=config_len+1; config_len=0; else config_bufferconfig_len=revchar; config_len+; /*串口中断函数*/void _irq uart3

2、irq(void) uint8 iir = 0; uint8 temp = 0; while (iir=u3iir)&0x01) = 0) switch (iir & 0x0e) case 0x02:break; case 0x04: temp = u3rbr; uart3_bufferuart3_len = temp; uart3_len+; if (uart3_len uart3_size) uart3_len = 0; configuration(temp); break; case 0x06:break; case 0x0c:break; default:break; vicvecta

3、ddr = 0; /*主函数*/#include config.h/*变量声明*/uint8 obu_id5;uint8 gps_send_gap;uint8 apn_len,port_len,ip_len;char port5;char ip16;char apn32;extern uint8 config_len;extern uint8 set_len;extern uint8 config_buffer80;extern uint8 gps_buffergps_data_size;/*函数声明*/extern void uart3putstring(uint8 *data,uint16

4、 nbyte);extern void eepromw(uint8 *mcu_address,uint32 e2prom_address,uint32 count);extern void eepromr(uint8 *mcu_address,uint32 e2prom_address,uint32 count);/* function: obuidcovert description: 车台编号转换 calls: uart3putstring,eepromw; input: 无 output: 无 */void obuidcovert (char * str)uint8 i;for(i=0;

5、*str!=0;i+) obu_idi=(*str+)-0)4;obu_idi+=(*str+)-0);/* function: tsetprocess description: 测试函数 calls: uart3putstring,eepromw; input: 无 output: 无 */void tsetprocess(void) char temp20=0; uint8 i,j,len,write_flag; write_flag=0; if(memcmp(config_buffer,(uint8 *)obuid,6)=0) uart3putstring(uint8 *)rn,2);

6、uart3putstring(uint8 *)config_buffer,set_len); sscanf(char *)config_buffer,%*dd%, temp); len=strlen(temp); if(len10) write_flag=1; uart3putstring(uint8 *)rn-车台id号设置失败-rn-请重新设置-rn, strlen(rn-车台id号设置失败-rn-请重新设置-rn); else if(len=10) for(i=0;i9)|(tempi32)|(len=0) write_flag=1; uart3putstring(uint8 *)rn-

7、apn设置失败-rn-请重新设置-rn, strlen(rn-apn设置失败-rn-请重新设置-rn); if(write_flag=0) apn_len=len; uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)apn,apn_len); eepromw(&apn_len,apn_len_addr,1); eepromw(uint8 *)apn,apn_addr,apn_len); uart3putstring(uint8 *)rn-apn设置成功-rn,strlen(rn-apn设置成功-rn); write_flag=0; mem

8、set(config_buffer,0,sizeof(config_buffer); else if (memcmp(config_buffer,(uint8 *)port&ip:,9)=0) uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)config_buffer,set_len); sscanf(char *)config_buffer,%*:%, port); sscanf(char *)config_buffer,%*,%, ip); len=strlen(port); if(len5)|(len=0) write_flag=

9、1; uart3putstring(uint8 *)rn-端口设置失败-rn-请重新设置-rn, strlen(rn-端口设置失败-rn-请重新设置-rn); else if(len0) for(i=0;i9)|(porti15)|(len=0) write_flag=1; uart3putstring(uint8 *)rn-ip设置失败-rn-请重新设置-rn, strlen(rn-ip设置失败-rn-请重新设置-rn); else if(len0) for(i=0;i9)|(ipi3) write_flag=1; uart3putstring(uint8 *)rn-ip设置失败-rn-请重

10、新设置-rn, strlen(rn-ip设置失败-rn-请重新设置-rn); if(write_flag=0) ip_len=len; eepromw(&ip_len,ip_len_addr,1); eepromw(uint8 *)ip,ip_addr,ip_len); uart3putstring(uint8 *)ip,len); uart3putstring(uint8 *)rn-ip设置成功-rn,strlen(rn-ip设置成功-rn); write_flag=0; memset(config_buffer,0,sizeof(config_buffer); else if (memcm

11、p(config_buffer,(uint8 *)gpsgap:,8)=0) io1clr = usl_led; uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)config_buffer,set_len); uart3putstring(uint8 *)rn,2); sscanf(char *)config_buffer,%*:%s, temp); len=strlen(temp); gps_send_gap=atol(temp); if(len5) write_flag=1; uart3putstring(uint8 *)rn-间隔

12、设置失败-rn-请重新设置-rn, strlen(rn-间隔设置失败-rn-请重新设置-rn); else if(len0) for(i=0;i9)|(tempi0) write_flag=1; uart3putstring(uint8 *)rn-间隔设置失败-rn-请重新设置-rn, strlen(rn-间隔设置失败-rn-请重新设置-rn); if(write_flag=0) gps_send_gap=atoi(temp); eepromw(&gps_send_gap,gps_gap_addr,1); uart3putstring(uint8 *)temp,strlen(temp); ua

13、rt3putstring(uint8 *)rn-间隔设置成功-rn,strlen(rn-间隔设置成功-rn); write_flag=0; memset(config_buffer,0,sizeof(config_buffer); else if (memcmp(config_buffer,(uint8 *)check,7)=0) uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)config_buffer,set_len); uart3putstring(uint8 *)rn-车台配置信息如下-rn,28); eepromr(uint8

14、 *)temp,obu_ascii_addr,10); uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)obuid ,8); uart3putstring(uint8 *)temp,10); uart3putstring(uint8 *)rn,3); eepromr(&apn_len,apn_len_addr,1); eepromr(&ip_len,ip_len_addr,1); eepromr(&port_len,port_len_addr,1); eepromr(uint8 *)apn,apn_addr,apn_len); uart

15、3putstring(uint8 *)apn ,8); uart3putstring(uint8 *)apn,apn_len); uart3putstring(uint8 *)rn,3); eepromr(uint8 *)temp,port_addr,port_len); uart3putstring(uint8 *)port ,8); uart3putstring(uint8 *)temp,port_len); uart3putstring(uint8 *)rn,3); eepromr(uint8 *)temp,ip_addr,ip_len); uart3putstring(uint8 *)

16、ip ,8); uart3putstring(uint8 *)temp,ip_len); uart3putstring(uint8 *)rn,3); eepromr(uint8 *)temp,gps_gap_addr,1); uart3putstring(uint8 *)gpsgap ,8); i=(uint8)temp0; sprintf(temp,%ds,i); uart3putstring(uint8 *)temp,strlen(temp); uart3putstring(uint8 *)rn,3); memset(config_buffer,0,sizeof(config_buffer

17、); else if (memcmp(config_buffer,(uint8 *)gpstest,9)=0) i=0; uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)config_buffer,set_len); uart3putstring(uint8 *)rn,2); while(i1000) i+; if(gps_buffer18=a) uart3putstring(uint8 *)rngps工作正常rn,strlen(rngps工作正常rn); continue; else uart3putstring(uint8 *)rn

18、gps工作不正常rn,strlen(gps工作不正常rn); break; memset(config_buffer,0,sizeof(config_buffer); else if (memcmp(config_buffer,(uint8 *)gsmtest,9)=0) io1set = sl_led; uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)config_buffer,set_len); uart3putstring(uint8 *)rn,2); memset(config_buffer,0,sizeof(config_bu

19、ffer); else if (memcmp(config_buffer,(uint8 *)rftest,8)=0) io1clr = sl_led; uart3putstring(uint8 *)rn,2); uart3putstring(uint8 *)config_buffer,set_len); uart3putstring(uint8 *)rn,2); memset(config_buffer,0,sizeof(config_buffer); else if (memcmp(config_buffer,(uint8 *)epromtest,12)=0) ; else if (memc

20、mp(config_buffer,(uint8 *)chargetest,12)=0) ; else ; memset(temp,0,sizeof(temp); memset(config_buffer,0,sizeof(config_buffer);通过关键字判断协议格式2.1 车台配置2.1.1 车台id设置指令 obuid7201300001例如：发送obuid7201300001，obuid后面为车台id号，固定10位，回复设置车载终端id成功或者设置车载终端id失败2.1.2 apn设置指令apn:xxxxx例如：发送apn:cmnet，设置apn为cmnet，回复apn设置成功或者

21、apn设置失败，apn为冒号之后的数据，注意apn最大长度为32字符，输入时切换到英文输入法半角状态。2.1.3 端口和ip设置指令 port&ip:xxxx,xx.xx.xxx.xx例如：发送port&ip:9950,58.61.218.86，可设置端口为9950，ip为58.61.218.86，回复端口和ip设置成功或者端口和ip设置失败，端口和ip地址为冒号号之后的数据，注意：端口最大长度为5，ip最大长度为15，输入时切换到英文输入法半角状态。2.1.4 gps上传间隔设置指令 gpsgap:xxxxxs例如：发送gpsgap:10s，设置为间隔10s上传，回复gps上传间隔设置成功或

22、者gps上传间隔设置失败，设置间隔时间为冒号之后的数据，最大长度为5位，最大时间间隔为65535，单位为s。2.2 车台配置查询指令 check例如：发送check，回复值如下：mode xxxxxxxxx 车台型号；obuid 720130001 车台id号；apn cmnet 车台apn；port 9950 车台端口；ip 58.61.218.86 车台ip；gpsgap 10s gps上传间隔；发送check指令得到的回复与车台配置信息相对应。3 gps模块测试3.1 gps模块测试指令 gpstest例如：发送gpstest，回复值如下：a. 发送指令gpstest，返回gps工作正常或者gps工作不正常 ； b. 正常定位gps灯为常亮；4 gsm模块测试4.1 gsm模块测试指令 gsmtest例如：发送g