APP3 / Mbed 2 deprecated com_xbee

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Dependencies:   mbed mbed-rtos

main.cpp@5:d5349e68b9f8, 2017-02-13 (annotated)

Committer:
ShaolinPoutine
Date:
Mon Feb 13 19:54:49 2017 +0000
Revision:
5:d5349e68b9f8
Parent:
4:04351e4aad49 
Propre

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ShaolinPoutine 0:25f9d14d01bd 1 #include "mbed.h"
ShaolinPoutine 0:25f9d14d01bd 2 #define FRAMEDELIMITER 0x7E
ShaolinPoutine 1:318ad4f36a90 3 #include "rtos.h"
ShaolinPoutine 0:25f9d14d01bd 4
ShaolinPoutine 1:318ad4f36a90 5 // 4269
ShaolinPoutine 0:25f9d14d01bd 6 DigitalOut resetswitch(p8);
ShaolinPoutine 0:25f9d14d01bd 7 Serial xbee(p13, p14);
ShaolinPoutine 0:25f9d14d01bd 8 Serial pc(USBTX, USBRX);
ShaolinPoutine 0:25f9d14d01bd 9 DigitalOut myled(LED1);
ShaolinPoutine 0:25f9d14d01bd 10
ShaolinPoutine 0:25f9d14d01bd 11 void printhexa(char c)
ShaolinPoutine 0:25f9d14d01bd 12 {
ShaolinPoutine 0:25f9d14d01bd 13 char msb = c >> 4;
ShaolinPoutine 0:25f9d14d01bd 14 char lsb = c & 0xF;
ShaolinPoutine 0:25f9d14d01bd 15
ShaolinPoutine 0:25f9d14d01bd 16 if (msb < 10)
ShaolinPoutine 0:25f9d14d01bd 17 msb += 0x30;
ShaolinPoutine 0:25f9d14d01bd 18 else
ShaolinPoutine 0:25f9d14d01bd 19 msb += 0x37;
ShaolinPoutine 0:25f9d14d01bd 20
ShaolinPoutine 0:25f9d14d01bd 21 if (lsb < 10)
ShaolinPoutine 0:25f9d14d01bd 22 lsb += 0x30;
ShaolinPoutine 0:25f9d14d01bd 23 else
ShaolinPoutine 0:25f9d14d01bd 24 lsb += 0x37;
ShaolinPoutine 0:25f9d14d01bd 25
ShaolinPoutine 0:25f9d14d01bd 26 pc.putc('0');
ShaolinPoutine 0:25f9d14d01bd 27 pc.putc('x');
ShaolinPoutine 0:25f9d14d01bd 28 pc.putc(msb);
ShaolinPoutine 0:25f9d14d01bd 29 pc.putc(lsb);
ShaolinPoutine 0:25f9d14d01bd 30 pc.putc(' ');
ShaolinPoutine 0:25f9d14d01bd 31 }
ShaolinPoutine 0:25f9d14d01bd 32
ShaolinPoutine 2:c6d623a30254 33 void ATCommandResponse(int len, char* ans)
ShaolinPoutine 2:c6d623a30254 34 {
ShaolinPoutine 2:c6d623a30254 35 char total = 0x88;
ShaolinPoutine 2:c6d623a30254 36 char id = xbee.getc();
ShaolinPoutine 2:c6d623a30254 37 total += id;
ShaolinPoutine 2:c6d623a30254 38 char command[2];
ShaolinPoutine 2:c6d623a30254 39 command[0] = xbee.getc();
ShaolinPoutine 2:c6d623a30254 40 total += command[0];
ShaolinPoutine 2:c6d623a30254 41 command[1] = xbee.getc();
ShaolinPoutine 2:c6d623a30254 42 total += command[1];
ShaolinPoutine 2:c6d623a30254 43 char status = xbee.getc();
ShaolinPoutine 2:c6d623a30254 44 total += status;
ShaolinPoutine 2:c6d623a30254 45 int i = 0;
ShaolinPoutine 2:c6d623a30254 46 len-= 4;
ShaolinPoutine 2:c6d623a30254 47 char data[len];
ShaolinPoutine 2:c6d623a30254 48
ShaolinPoutine 2:c6d623a30254 49 pc.printf("response to command %c%c", command[0], command[1]);
ShaolinPoutine 2:c6d623a30254 50 pc.printf(" is ");
ShaolinPoutine 2:c6d623a30254 51
ShaolinPoutine 2:c6d623a30254 52 while (i < len)
ShaolinPoutine 2:c6d623a30254 53 {
ShaolinPoutine 2:c6d623a30254 54 if (xbee.readable())
ShaolinPoutine 2:c6d623a30254 55 {
ShaolinPoutine 2:c6d623a30254 56 data[i] = xbee.getc();
ShaolinPoutine 2:c6d623a30254 57 total += data[i];
ShaolinPoutine 2:c6d623a30254 58 printhexa(data[i]);
ShaolinPoutine 2:c6d623a30254 59 i++;
ShaolinPoutine 2:c6d623a30254 60 }
ShaolinPoutine 2:c6d623a30254 61 }
ShaolinPoutine 2:c6d623a30254 62
ShaolinPoutine 2:c6d623a30254 63 char checksum = xbee.getc();
ShaolinPoutine 2:c6d623a30254 64 total += checksum;
ShaolinPoutine 2:c6d623a30254 65 // Verify checksum
ShaolinPoutine 2:c6d623a30254 66 if (total != 0xFF)
ShaolinPoutine 2:c6d623a30254 67 {
ShaolinPoutine 2:c6d623a30254 68 pc.printf("Checksum is wrong");
ShaolinPoutine 2:c6d623a30254 69 }
ShaolinPoutine 2:c6d623a30254 70 pc.printf("\r\n");
ShaolinPoutine 2:c6d623a30254 71 ans = data;
ShaolinPoutine 2:c6d623a30254 72 }
ShaolinPoutine 2:c6d623a30254 73
ShaolinPoutine 2:c6d623a30254 74 void ModemStatus(int len, char* ans)
ShaolinPoutine 2:c6d623a30254 75 {
ShaolinPoutine 2:c6d623a30254 76 char status = xbee.getc();
ShaolinPoutine 2:c6d623a30254 77
ShaolinPoutine 2:c6d623a30254 78 switch (status){
ShaolinPoutine 2:c6d623a30254 79 case 0 : pc.printf("Hardware reset\r\n"); break;
ShaolinPoutine 2:c6d623a30254 80 case 1 : pc.printf("Watchdog timer reset\r\n"); break;
ShaolinPoutine 2:c6d623a30254 81 case 2 : pc.printf("Joined network (routers and end devices)\r\n"); break;
ShaolinPoutine 2:c6d623a30254 82 case 3 : pc.printf("Disassociated\r\n"); break;
ShaolinPoutine 2:c6d623a30254 83 case 6 : pc.printf("Coordinator started\r\n"); break;
ShaolinPoutine 2:c6d623a30254 84 case 7 : pc.printf("Network security key was updated\r\n"); break;
ShaolinPoutine 2:c6d623a30254 85 case 0x0D : pc.printf("Voltage supply limit exceeded\r\n"); break;
ShaolinPoutine 2:c6d623a30254 86 case 0x11 : pc.printf("Modem configuration changed while join in progress\r\n"); break;
ShaolinPoutine 2:c6d623a30254 87 default : pc.printf("stack error\r\n"); break;
ShaolinPoutine 2:c6d623a30254 88 }
ShaolinPoutine 2:c6d623a30254 89
ShaolinPoutine 2:c6d623a30254 90 char checksum = xbee.getc();
ShaolinPoutine 2:c6d623a30254 91
ShaolinPoutine 2:c6d623a30254 92 checksum += 0x8A + status;
ShaolinPoutine 2:c6d623a30254 93
ShaolinPoutine 2:c6d623a30254 94 if (checksum != 0xFF)
ShaolinPoutine 2:c6d623a30254 95 {
ShaolinPoutine 2:c6d623a30254 96 pc.printf("Checksum is wrong\r\n");
ShaolinPoutine 2:c6d623a30254 97 }
ShaolinPoutine 2:c6d623a30254 98 *ans = status;
ShaolinPoutine 2:c6d623a30254 99 }
ShaolinPoutine 2:c6d623a30254 100
ShaolinPoutine 5:d5349e68b9f8 101 char* InterpretMessage()
ShaolinPoutine 0:25f9d14d01bd 102 {
ShaolinPoutine 0:25f9d14d01bd 103 char start = xbee.getc(); // = FRAMEDELIMITER
ShaolinPoutine 0:25f9d14d01bd 104 //assert
ShaolinPoutine 0:25f9d14d01bd 105 char len_msb = xbee.getc();
ShaolinPoutine 0:25f9d14d01bd 106 char len_lsb = xbee.getc();
ShaolinPoutine 1:318ad4f36a90 107
ShaolinPoutine 0:25f9d14d01bd 108 int len = ((int) len_msb << 4) + (int) len_lsb;
ShaolinPoutine 0:25f9d14d01bd 109 char frame_data[len];
ShaolinPoutine 2:c6d623a30254 110
ShaolinPoutine 2:c6d623a30254 111 // Resolving frame type
ShaolinPoutine 2:c6d623a30254 112 char type = xbee.getc();
ShaolinPoutine 2:c6d623a30254 113 char *response;
ShaolinPoutine 2:c6d623a30254 114 len--;
ShaolinPoutine 2:c6d623a30254 115
ShaolinPoutine 2:c6d623a30254 116 switch (type){
ShaolinPoutine 2:c6d623a30254 117 case 0x88: ATCommandResponse(len, response);
ShaolinPoutine 2:c6d623a30254 118 break;
ShaolinPoutine 2:c6d623a30254 119 case 0x8A: ModemStatus(len, response);
ShaolinPoutine 2:c6d623a30254 120 break;
ShaolinPoutine 2:c6d623a30254 121 default: pc.printf("Please implement response of type");
ShaolinPoutine 2:c6d623a30254 122 printhexa(type);
ShaolinPoutine 2:c6d623a30254 123 pc.printf("\r\n");
ShaolinPoutine 2:c6d623a30254 124 for (int i = -1; i <len; i++) xbee.getc();
ShaolinPoutine 0:25f9d14d01bd 125 }
ShaolinPoutine 2:c6d623a30254 126 return response;
ShaolinPoutine 0:25f9d14d01bd 127 }
ShaolinPoutine 0:25f9d14d01bd 128
ShaolinPoutine 5:d5349e68b9f8 129 void SendAtCommand(char FirstChar, char SecondChar, char *OptionalParam = NULL, int ParamLen = 0)
EmileArseneault 3:5010d20e681f 130 {
EmileArseneault 3:5010d20e681f 131 // Frame Type 0x08
EmileArseneault 3:5010d20e681f 132 // Two char as parameters
EmileArseneault 3:5010d20e681f 133
EmileArseneault 3:5010d20e681f 134 char cmdtosend[10];
EmileArseneault 3:5010d20e681f 135 char sum = 0;
EmileArseneault 3:5010d20e681f 136 int cmdlength = 8;
EmileArseneault 3:5010d20e681f 137 int i = 0;
EmileArseneault 3:5010d20e681f 138
EmileArseneault 3:5010d20e681f 139 cmdtosend[0] = FRAMEDELIMITER;
EmileArseneault 3:5010d20e681f 140 cmdtosend[1] = 0x00;
EmileArseneault 3:5010d20e681f 141 cmdtosend[2] = 0x04 + ParamLen;
EmileArseneault 3:5010d20e681f 142 cmdtosend[3] = 0x08;
EmileArseneault 3:5010d20e681f 143 cmdtosend[4] = 0x52;
EmileArseneault 3:5010d20e681f 144 cmdtosend[5] = FirstChar;
EmileArseneault 3:5010d20e681f 145 cmdtosend[6] = SecondChar;
EmileArseneault 3:5010d20e681f 146
EmileArseneault 3:5010d20e681f 147 // Ajouter les parametres au message
EmileArseneault 3:5010d20e681f 148 if(OptionalParam != NULL)
EmileArseneault 3:5010d20e681f 149 {
EmileArseneault 3:5010d20e681f 150 i = 0;
EmileArseneault 3:5010d20e681f 151 cmdlength += ParamLen;
EmileArseneault 3:5010d20e681f 152
EmileArseneault 3:5010d20e681f 153 while (i < ParamLen)
EmileArseneault 3:5010d20e681f 154 {
EmileArseneault 3:5010d20e681f 155 pc.putc((OptionalParam)[i]);
EmileArseneault 3:5010d20e681f 156 cmdtosend[7 + i] = (OptionalParam)[i];
EmileArseneault 3:5010d20e681f 157 i++;
EmileArseneault 3:5010d20e681f 158 }
EmileArseneault 3:5010d20e681f 159 pc.printf("\r\n");
EmileArseneault 3:5010d20e681f 160 }
EmileArseneault 3:5010d20e681f 161
EmileArseneault 3:5010d20e681f 162 // Calculate checksum
EmileArseneault 3:5010d20e681f 163 i = 3;
EmileArseneault 3:5010d20e681f 164 while (i < (cmdlength - 1))
EmileArseneault 3:5010d20e681f 165 {
EmileArseneault 3:5010d20e681f 166 sum += cmdtosend[i];
EmileArseneault 3:5010d20e681f 167 i++;
EmileArseneault 3:5010d20e681f 168 }
EmileArseneault 3:5010d20e681f 169 cmdtosend[cmdlength - 1] = 0xFF - sum;
EmileArseneault 3:5010d20e681f 170
EmileArseneault 3:5010d20e681f 171 // Envoyer la commande sur UART
EmileArseneault 3:5010d20e681f 172 i = 0;
EmileArseneault 3:5010d20e681f 173 while (i < cmdlength)
EmileArseneault 3:5010d20e681f 174 {
EmileArseneault 3:5010d20e681f 175 xbee.putc(cmdtosend[i]);
EmileArseneault 3:5010d20e681f 176 i++;
EmileArseneault 3:5010d20e681f 177 }
ShaolinPoutine 5:d5349e68b9f8 178
ShaolinPoutine 5:d5349e68b9f8 179 wait(0.1);
EmileArseneault 3:5010d20e681f 180 }
EmileArseneault 3:5010d20e681f 181
ShaolinPoutine 5:d5349e68b9f8 182 void ReadSerial()
ShaolinPoutine 5:d5349e68b9f8 183 {
ShaolinPoutine 5:d5349e68b9f8 184 // 00 13 A2 00
ShaolinPoutine 5:d5349e68b9f8 185 // 40 3E 09 63
ShaolinPoutine 5:d5349e68b9f8 186 SendAtCommand('S', 'H');
ShaolinPoutine 5:d5349e68b9f8 187 SendAtCommand('S', 'L');
ShaolinPoutine 5:d5349e68b9f8 188 }
ShaolinPoutine 0:25f9d14d01bd 189
ShaolinPoutine 1:318ad4f36a90 190 void xbee_reader()
ShaolinPoutine 1:318ad4f36a90 191 {
ShaolinPoutine 1:318ad4f36a90 192 while(1)
ShaolinPoutine 1:318ad4f36a90 193 {
ShaolinPoutine 1:318ad4f36a90 194 if (xbee.readable())
ShaolinPoutine 1:318ad4f36a90 195 {
ShaolinPoutine 5:d5349e68b9f8 196 InterpretMessage();
ShaolinPoutine 1:318ad4f36a90 197 }
ShaolinPoutine 1:318ad4f36a90 198 wait(0.001);
ShaolinPoutine 1:318ad4f36a90 199 }
ShaolinPoutine 1:318ad4f36a90 200 }
ShaolinPoutine 1:318ad4f36a90 201
ShaolinPoutine 1:318ad4f36a90 202 void tick()
ShaolinPoutine 1:318ad4f36a90 203 {
ShaolinPoutine 1:318ad4f36a90 204 myled = !myled;
ShaolinPoutine 1:318ad4f36a90 205 }
ShaolinPoutine 1:318ad4f36a90 206
ShaolinPoutine 0:25f9d14d01bd 207 int main() {
ShaolinPoutine 1:318ad4f36a90 208 Thread thread(xbee_reader);
ShaolinPoutine 1:318ad4f36a90 209 Ticker ticker;
ShaolinPoutine 1:318ad4f36a90 210 ticker.attach(&tick, 1);
ShaolinPoutine 0:25f9d14d01bd 211 pc.printf("\r\n");
ShaolinPoutine 0:25f9d14d01bd 212 resetswitch = 0;
ShaolinPoutine 0:25f9d14d01bd 213 wait(0.4);
ShaolinPoutine 0:25f9d14d01bd 214 resetswitch = 1;
ShaolinPoutine 0:25f9d14d01bd 215
ShaolinPoutine 1:318ad4f36a90 216 wait(3);
ShaolinPoutine 0:25f9d14d01bd 217 ReadSerial();
ShaolinPoutine 0:25f9d14d01bd 218
ShaolinPoutine 0:25f9d14d01bd 219 while(1) {
ShaolinPoutine 0:25f9d14d01bd 220 }
ShaolinPoutine 0:25f9d14d01bd 221 }