James Cochrane / Mbed 2 deprecated Client_Code_Rangefinder

working code

Dependencies:   mbed

Fork of Working_Client_Code by iX

main.cpp@0:7176e20dbdf6, 2016-06-08 (annotated)

Committer:
epgmdm
Date:
Wed Jun 08 10:10:31 2016 +0000
Revision:
0:7176e20dbdf6
Child:
1:e2385bba1ab1
Got onto wifi and gets ip address

Who changed what in which revision?

UserRevisionLine numberNew contents of line
epgmdm 0:7176e20dbdf6 1 #include "mbed.h"
epgmdm 0:7176e20dbdf6 2
epgmdm 0:7176e20dbdf6 3 #define DEBUG
epgmdm 0:7176e20dbdf6 4 #define INFOMESSAGES
epgmdm 0:7176e20dbdf6 5 #define WARNMESSAGES
epgmdm 0:7176e20dbdf6 6 #define ERRMESSAGES
epgmdm 0:7176e20dbdf6 7
epgmdm 0:7176e20dbdf6 8 #define FUNCNAME "MAIN"
epgmdm 0:7176e20dbdf6 9
epgmdm 0:7176e20dbdf6 10 #ifdef DEBUG
epgmdm 0:7176e20dbdf6 11 #define DBG(x, ...) pc.printf(" ["FUNCNAME" : DBG] "x" <line %d>\r\n", ##__VA_ARGS__,__LINE__);
epgmdm 0:7176e20dbdf6 12 #else
epgmdm 0:7176e20dbdf6 13 #define DBG(x, ...)
epgmdm 0:7176e20dbdf6 14 #endif
epgmdm 0:7176e20dbdf6 15
epgmdm 0:7176e20dbdf6 16 #ifdef ERRMESSAGES
epgmdm 0:7176e20dbdf6 17 #define ERR(x, ...) pc.printf(" ["FUNCNAME" : ERR] "x"\r\n", ##__VA_ARGS__);
epgmdm 0:7176e20dbdf6 18 #else
epgmdm 0:7176e20dbdf6 19 #define ERR(x, ...)
epgmdm 0:7176e20dbdf6 20 #endif
epgmdm 0:7176e20dbdf6 21
epgmdm 0:7176e20dbdf6 22 #ifdef WARNMESSAGES
epgmdm 0:7176e20dbdf6 23 #define WARN(x, ...) printf("["FUNCNAME" : WARN] "x"\r\n", ##__VA_ARGS__);
epgmdm 0:7176e20dbdf6 24 #else
epgmdm 0:7176e20dbdf6 25 #define WARN(x, ...)
epgmdm 0:7176e20dbdf6 26 #endif
epgmdm 0:7176e20dbdf6 27
epgmdm 0:7176e20dbdf6 28 #ifdef INFOMESSAGES
epgmdm 0:7176e20dbdf6 29 #define INFO(x, ...) pc->printf("["FUNCNAME" : INFO] "x"\r\n", ##__VA_ARGS__);
epgmdm 0:7176e20dbdf6 30 #else
epgmdm 0:7176e20dbdf6 31 #define INFO(x, ...)
epgmdm 0:7176e20dbdf6 32 #endif
epgmdm 0:7176e20dbdf6 33
epgmdm 0:7176e20dbdf6 34 #define BUFF_SIZE 2048
epgmdm 0:7176e20dbdf6 35 RawSerial pc(USBTX, USBRX);
epgmdm 0:7176e20dbdf6 36 //RawSerial dev(D1, D0);
epgmdm 0:7176e20dbdf6 37 RawSerial dev(p28, p27); //tx,rx
epgmdm 0:7176e20dbdf6 38 DigitalOut led1(LED1);
epgmdm 0:7176e20dbdf6 39 DigitalOut led4(LED4);
epgmdm 0:7176e20dbdf6 40 DigitalOut reset(p26,1);
epgmdm 0:7176e20dbdf6 41 volatile int state=0;
epgmdm 0:7176e20dbdf6 42 volatile int ready=0;
epgmdm 0:7176e20dbdf6 43 char *buffer;
epgmdm 0:7176e20dbdf6 44 unsigned int bufferPnt=0;
epgmdm 0:7176e20dbdf6 45
epgmdm 0:7176e20dbdf6 46 void dev_recv()
epgmdm 0:7176e20dbdf6 47 {
epgmdm 0:7176e20dbdf6 48 char c;
epgmdm 0:7176e20dbdf6 49
epgmdm 0:7176e20dbdf6 50 int count = 0;
epgmdm 0:7176e20dbdf6 51 led1 = !led1;
epgmdm 0:7176e20dbdf6 52 if(bufferPnt==0) {
epgmdm 0:7176e20dbdf6 53 memset(buffer,0,BUFF_SIZE);
epgmdm 0:7176e20dbdf6 54 }
epgmdm 0:7176e20dbdf6 55 while(dev.readable()) {
epgmdm 0:7176e20dbdf6 56 c = (char)dev.getc();
epgmdm 0:7176e20dbdf6 57 pc.putc(c);
epgmdm 0:7176e20dbdf6 58 buffer[bufferPnt]=c;
epgmdm 0:7176e20dbdf6 59 bufferPnt++;
epgmdm 0:7176e20dbdf6 60 if (bufferPnt>1024){
epgmdm 0:7176e20dbdf6 61 ready=1;
epgmdm 0:7176e20dbdf6 62 }
epgmdm 0:7176e20dbdf6 63 if (c==0x0a) {
epgmdm 0:7176e20dbdf6 64 if (bufferPnt>1) {
epgmdm 0:7176e20dbdf6 65 if (buffer[bufferPnt -2]==0x0d) {
epgmdm 0:7176e20dbdf6 66 ready=1;
epgmdm 0:7176e20dbdf6 67 break;
epgmdm 0:7176e20dbdf6 68 }
epgmdm 0:7176e20dbdf6 69 }
epgmdm 0:7176e20dbdf6 70 }
epgmdm 0:7176e20dbdf6 71 if (!dev.readable()){
epgmdm 0:7176e20dbdf6 72 wait(0.001);
epgmdm 0:7176e20dbdf6 73 }
epgmdm 0:7176e20dbdf6 74 }
epgmdm 0:7176e20dbdf6 75 }
epgmdm 0:7176e20dbdf6 76
epgmdm 0:7176e20dbdf6 77 void pc_recv()
epgmdm 0:7176e20dbdf6 78 {
epgmdm 0:7176e20dbdf6 79 char c;
epgmdm 0:7176e20dbdf6 80 led4 = !led4;
epgmdm 0:7176e20dbdf6 81 while(pc.readable()) {
epgmdm 0:7176e20dbdf6 82 c=(char)pc.getc();
epgmdm 0:7176e20dbdf6 83 dev.putc(c);
epgmdm 0:7176e20dbdf6 84 pc.putc(c);
epgmdm 0:7176e20dbdf6 85
epgmdm 0:7176e20dbdf6 86 }
epgmdm 0:7176e20dbdf6 87 }
epgmdm 0:7176e20dbdf6 88
epgmdm 0:7176e20dbdf6 89 char * OKResponse(char *test, const char *pattern)
epgmdm 0:7176e20dbdf6 90 {
epgmdm 0:7176e20dbdf6 91 char *p= strstr(test,pattern);
epgmdm 0:7176e20dbdf6 92 if (p==NULL) {
epgmdm 0:7176e20dbdf6 93 // DBG("Test=<%s> Patter=<%s> NULL [p=%s]",test,pattern,p);
epgmdm 0:7176e20dbdf6 94 return NULL;
epgmdm 0:7176e20dbdf6 95 } else {
epgmdm 0:7176e20dbdf6 96 // DBG("YAY Test=<%s> Patter=<%s> [p=%s]",test,pattern,p);
epgmdm 0:7176e20dbdf6 97 }
epgmdm 0:7176e20dbdf6 98 return p;
epgmdm 0:7176e20dbdf6 99 }
epgmdm 0:7176e20dbdf6 100 int main()
epgmdm 0:7176e20dbdf6 101 {
epgmdm 0:7176e20dbdf6 102 buffer=(char *)calloc(BUFF_SIZE,1);
epgmdm 0:7176e20dbdf6 103 reset=0;
epgmdm 0:7176e20dbdf6 104
epgmdm 0:7176e20dbdf6 105 pc.baud(115200);
epgmdm 0:7176e20dbdf6 106 dev.baud(115200);
epgmdm 0:7176e20dbdf6 107 pc.attach(&pc_recv, Serial::RxIrq);
epgmdm 0:7176e20dbdf6 108 dev.attach(&dev_recv, Serial::RxIrq);
epgmdm 0:7176e20dbdf6 109 pc.printf("Start up\n\r");
epgmdm 0:7176e20dbdf6 110 wait(1.5);
epgmdm 0:7176e20dbdf6 111 reset=1;
epgmdm 0:7176e20dbdf6 112 char * resp=NULL;
epgmdm 0:7176e20dbdf6 113 pc.printf("Here \n\r");
epgmdm 0:7176e20dbdf6 114 while(1) {
epgmdm 0:7176e20dbdf6 115 if (ready) {
epgmdm 0:7176e20dbdf6 116 ready=0;
epgmdm 0:7176e20dbdf6 117 bufferPnt=0;
epgmdm 0:7176e20dbdf6 118 pc.printf("%d]%s\n\r",state,buffer);
epgmdm 0:7176e20dbdf6 119 switch (state) {
epgmdm 0:7176e20dbdf6 120 case 0: {
epgmdm 0:7176e20dbdf6 121 resp=OKResponse(buffer,"WIFI GOT IP");
epgmdm 0:7176e20dbdf6 122 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 123 DBG(">>>>>>HERE");
epgmdm 0:7176e20dbdf6 124 wait(1);
epgmdm 0:7176e20dbdf6 125 dev.printf("AT\r\n");
epgmdm 0:7176e20dbdf6 126 state++;
epgmdm 0:7176e20dbdf6 127 }
epgmdm 0:7176e20dbdf6 128 break;
epgmdm 0:7176e20dbdf6 129 }
epgmdm 0:7176e20dbdf6 130 case 1:
epgmdm 0:7176e20dbdf6 131 case 2: {
epgmdm 0:7176e20dbdf6 132 resp=OKResponse(buffer,"OK");
epgmdm 0:7176e20dbdf6 133 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 134 DBG(">>>>>>HERE 2");
epgmdm 0:7176e20dbdf6 135 dev.printf("AT\r\n");
epgmdm 0:7176e20dbdf6 136 state++;
epgmdm 0:7176e20dbdf6 137 }
epgmdm 0:7176e20dbdf6 138 break;
epgmdm 0:7176e20dbdf6 139 }
epgmdm 0:7176e20dbdf6 140 case 3: {
epgmdm 0:7176e20dbdf6 141 resp=OKResponse(buffer,"OK");
epgmdm 0:7176e20dbdf6 142 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 143 DBG(">>>>>>HERE 3");
epgmdm 0:7176e20dbdf6 144 dev.printf("AT+RST\r\n");
epgmdm 0:7176e20dbdf6 145 state++;
epgmdm 0:7176e20dbdf6 146 }
epgmdm 0:7176e20dbdf6 147
epgmdm 0:7176e20dbdf6 148 break;
epgmdm 0:7176e20dbdf6 149 }
epgmdm 0:7176e20dbdf6 150 case 4: {
epgmdm 0:7176e20dbdf6 151 resp=OKResponse(buffer,"WIFI GOT IP");
epgmdm 0:7176e20dbdf6 152 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 153 DBG(">>>>>>HERE 4");
epgmdm 0:7176e20dbdf6 154 dev.printf("AT+CWMODE=1\r\n");
epgmdm 0:7176e20dbdf6 155 state++;
epgmdm 0:7176e20dbdf6 156 }
epgmdm 0:7176e20dbdf6 157
epgmdm 0:7176e20dbdf6 158 break;
epgmdm 0:7176e20dbdf6 159 }
epgmdm 0:7176e20dbdf6 160 case 5: {
epgmdm 0:7176e20dbdf6 161 resp=OKResponse(buffer,"OK");
epgmdm 0:7176e20dbdf6 162 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 163 DBG(">>>>>>HERE 5");
epgmdm 0:7176e20dbdf6 164 dev.printf("AT+CWJAP=\"CWMWIFI\",\"CWM2016TT\"\r\n");
epgmdm 0:7176e20dbdf6 165 state++;
epgmdm 0:7176e20dbdf6 166 }
epgmdm 0:7176e20dbdf6 167
epgmdm 0:7176e20dbdf6 168 break;
epgmdm 0:7176e20dbdf6 169 }
epgmdm 0:7176e20dbdf6 170 case 6: {
epgmdm 0:7176e20dbdf6 171 resp=OKResponse(buffer,"OK");
epgmdm 0:7176e20dbdf6 172 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 173 DBG(">>>>>>HERE 5");
epgmdm 0:7176e20dbdf6 174 wait(1);
epgmdm 0:7176e20dbdf6 175 dev.printf("AT+CIFSR\r\n");
epgmdm 0:7176e20dbdf6 176 state++;
epgmdm 0:7176e20dbdf6 177 }
epgmdm 0:7176e20dbdf6 178
epgmdm 0:7176e20dbdf6 179 break;
epgmdm 0:7176e20dbdf6 180 }
epgmdm 0:7176e20dbdf6 181 case 7: {
epgmdm 0:7176e20dbdf6 182 resp=OKResponse(buffer,"OK");
epgmdm 0:7176e20dbdf6 183 if (resp!=NULL) {
epgmdm 0:7176e20dbdf6 184 DBG(">>>>>>HERE 5");
epgmdm 0:7176e20dbdf6 185 wait(1);
epgmdm 0:7176e20dbdf6 186 dev.printf("AT+CIFSR\r\n");
epgmdm 0:7176e20dbdf6 187 state++;
epgmdm 0:7176e20dbdf6 188 }
epgmdm 0:7176e20dbdf6 189
epgmdm 0:7176e20dbdf6 190 break;
epgmdm 0:7176e20dbdf6 191 }
epgmdm 0:7176e20dbdf6 192
epgmdm 0:7176e20dbdf6 193
epgmdm 0:7176e20dbdf6 194 }
epgmdm 0:7176e20dbdf6 195 }
epgmdm 0:7176e20dbdf6 196 __WFI();
epgmdm 0:7176e20dbdf6 197 }
epgmdm 0:7176e20dbdf6 198 }