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main.cpp@3:eda76f539da3, 2017-10-03 (annotated)
- Committer:
- ThierryLeonard
- Date:
- Tue Oct 03 08:58:02 2017 +0000
- Revision:
- 3:eda76f539da3
- Parent:
- 2:ddaf240af296
- Child:
- 4:0b0dfd5ebf44
Done ?
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| evrast | 0:53817a293b39 | 1 | #include "mbed.h" |
| evrast | 0:53817a293b39 | 2 | |
| evrast | 0:53817a293b39 | 3 | DigitalOut myled(LED1); |
| evrast | 0:53817a293b39 | 4 | |
| evrast | 1:fe18dd0ba172 | 5 | Ticker flipper; |
| evrast | 0:53817a293b39 | 6 | Serial pc(USBTX, USBRX); |
| evrast | 0:53817a293b39 | 7 | |
| evrast | 0:53817a293b39 | 8 | Serial xBee(p13, p14); |
| evrast | 0:53817a293b39 | 9 | DigitalOut reset(p8); |
| evrast | 0:53817a293b39 | 10 | |
| evrast | 1:fe18dd0ba172 | 11 | const uint8_t START_DELEMITER = 0x7E; |
| evrast | 1:fe18dd0ba172 | 12 | const uint8_t FRAME_TYPE_AT_REQUEST = 0x17; |
| evrast | 1:fe18dd0ba172 | 13 | const uint8_t FRAME_ID = 0x01; |
| evrast | 1:fe18dd0ba172 | 14 | const uint8_t ZERO = 0x00; |
| evrast | 1:fe18dd0ba172 | 15 | const uint8_t APPLY_CHANGES = 0x02; |
| evrast | 1:fe18dd0ba172 | 16 | const uint8_t FF_CONST = 0xFF; |
| ThierryLeonard | 3:eda76f539da3 | 17 | const char OPEN_LED[2] = {'D','1'}; |
| evrast | 1:fe18dd0ba172 | 18 | |
| evrast | 1:fe18dd0ba172 | 19 | |
| evrast | 1:fe18dd0ba172 | 20 | bool atCommand = false; |
| evrast | 1:fe18dd0ba172 | 21 | |
| evrast | 1:fe18dd0ba172 | 22 | const int TRANSMIT_REQUEST_DATA = 12; |
| ThierryLeonard | 3:eda76f539da3 | 23 | uint8_t addresse_64_bit[8]; |
| evrast | 1:fe18dd0ba172 | 24 | uint8_t addresse_16_bit[2] = {0xFF,0xFE}; |
| evrast | 1:fe18dd0ba172 | 25 | |
| evrast | 0:53817a293b39 | 26 | uint8_t pan_id[14]={0x7E, 0x00, 0x0A, 0x08, 0x01, 0x49, 0x44, 0x46, 0x46, 0x39, 0x39, 0x31, 0x31, 0x09}; |
| evrast | 0:53817a293b39 | 27 | |
| ThierryLeonard | 2:ddaf240af296 | 28 | uint8_t nd_Command[8] = { 0x7E, 0x00, 0x04, 0x08, 0x01, 0x4E, 0x44, 0x64 }; |
| ThierryLeonard | 2:ddaf240af296 | 29 | |
| evrast | 1:fe18dd0ba172 | 30 | |
| ThierryLeonard | 2:ddaf240af296 | 31 | void sendNDCommand() |
| ThierryLeonard | 2:ddaf240af296 | 32 | { |
| ThierryLeonard | 2:ddaf240af296 | 33 | for ( int i = 0 ; i < 8; i++ ) |
| ThierryLeonard | 2:ddaf240af296 | 34 | { |
| ThierryLeonard | 2:ddaf240af296 | 35 | xBee.putc(nd_Command[i]); |
| ThierryLeonard | 2:ddaf240af296 | 36 | } |
| ThierryLeonard | 2:ddaf240af296 | 37 | } |
| ThierryLeonard | 2:ddaf240af296 | 38 | |
| ThierryLeonard | 2:ddaf240af296 | 39 | void sendRemoteAtCommand(){ |
| ThierryLeonard | 2:ddaf240af296 | 40 | atCommand = true; |
| ThierryLeonard | 2:ddaf240af296 | 41 | } |
| ThierryLeonard | 2:ddaf240af296 | 42 | |
| ThierryLeonard | 2:ddaf240af296 | 43 | void sendRemoteLedCommandPaquet(){ |
| ThierryLeonard | 3:eda76f539da3 | 44 | |
| ThierryLeonard | 2:ddaf240af296 | 45 | static bool nextState = true; |
| ThierryLeonard | 3:eda76f539da3 | 46 | // pc.printf("bool %i",nextState); |
| ThierryLeonard | 3:eda76f539da3 | 47 | uint8_t length = 0x10; |
| evrast | 1:fe18dd0ba172 | 48 | uint8_t paquet[25]; |
| evrast | 1:fe18dd0ba172 | 49 | uint8_t checkSum= 0x0; |
| evrast | 1:fe18dd0ba172 | 50 | uint8_t LSBLength; |
| evrast | 1:fe18dd0ba172 | 51 | uint8_t MSBLength; |
| ThierryLeonard | 2:ddaf240af296 | 52 | |
| ThierryLeonard | 3:eda76f539da3 | 53 | char type[2] = { 'D','1'}; |
| evrast | 1:fe18dd0ba172 | 54 | |
| evrast | 1:fe18dd0ba172 | 55 | LSBLength = length&0xff; |
| ThierryLeonard | 3:eda76f539da3 | 56 | MSBLength = 0; |
| evrast | 1:fe18dd0ba172 | 57 | |
| evrast | 1:fe18dd0ba172 | 58 | paquet[0] = START_DELEMITER; //start |
| evrast | 1:fe18dd0ba172 | 59 | paquet[1] = MSBLength; //length MSB |
| evrast | 1:fe18dd0ba172 | 60 | paquet[2] = LSBLength; //length LSB |
| evrast | 1:fe18dd0ba172 | 61 | paquet[3] = FRAME_TYPE_AT_REQUEST; //frame type |
| evrast | 1:fe18dd0ba172 | 62 | paquet[4] = FRAME_ID; //frame id |
| evrast | 1:fe18dd0ba172 | 63 | for(int i = 5; i < 13;i++) //64 bit addresse |
| evrast | 1:fe18dd0ba172 | 64 | { |
| evrast | 1:fe18dd0ba172 | 65 | paquet[i] = addresse_64_bit[i-5]; |
| evrast | 1:fe18dd0ba172 | 66 | } |
| ThierryLeonard | 3:eda76f539da3 | 67 | paquet[13] = 0xFF; |
| ThierryLeonard | 3:eda76f539da3 | 68 | paquet[14] = 0xFE; |
| evrast | 1:fe18dd0ba172 | 69 | |
| evrast | 1:fe18dd0ba172 | 70 | paquet[15] = APPLY_CHANGES; //BroadCast Radius |
| evrast | 1:fe18dd0ba172 | 71 | paquet[16] = type[0]; |
| evrast | 1:fe18dd0ba172 | 72 | paquet[17] = type[1]; |
| ThierryLeonard | 2:ddaf240af296 | 73 | |
| ThierryLeonard | 2:ddaf240af296 | 74 | if(nextState) |
| ThierryLeonard | 2:ddaf240af296 | 75 | { |
| ThierryLeonard | 2:ddaf240af296 | 76 | paquet[18] = 0x05; |
| ThierryLeonard | 2:ddaf240af296 | 77 | } |
| ThierryLeonard | 2:ddaf240af296 | 78 | else |
| ThierryLeonard | 2:ddaf240af296 | 79 | { |
| ThierryLeonard | 2:ddaf240af296 | 80 | paquet[18] = 0x04; |
| ThierryLeonard | 2:ddaf240af296 | 81 | } |
| ThierryLeonard | 3:eda76f539da3 | 82 | nextState = !nextState; |
| evrast | 1:fe18dd0ba172 | 83 | //check sum |
| evrast | 1:fe18dd0ba172 | 84 | |
| evrast | 1:fe18dd0ba172 | 85 | for(int i = 3; i<length+3;i++) |
| evrast | 1:fe18dd0ba172 | 86 | { |
| evrast | 1:fe18dd0ba172 | 87 | checkSum += paquet[i]; |
| evrast | 1:fe18dd0ba172 | 88 | } |
| evrast | 1:fe18dd0ba172 | 89 | |
| evrast | 1:fe18dd0ba172 | 90 | checkSum = FF_CONST - checkSum; |
| evrast | 1:fe18dd0ba172 | 91 | |
| evrast | 1:fe18dd0ba172 | 92 | paquet[length+3] = checkSum; |
| evrast | 1:fe18dd0ba172 | 93 | |
| ThierryLeonard | 3:eda76f539da3 | 94 | pc.printf("\n packet"); |
| evrast | 1:fe18dd0ba172 | 95 | for(int i =0;i<length + 4;i++) |
| evrast | 1:fe18dd0ba172 | 96 | { |
| evrast | 1:fe18dd0ba172 | 97 | xBee.putc(paquet[i]); |
| ThierryLeonard | 3:eda76f539da3 | 98 | pc.printf("%x ",paquet[i]); |
| ThierryLeonard | 3:eda76f539da3 | 99 | } |
| evrast | 1:fe18dd0ba172 | 100 | |
| ThierryLeonard | 2:ddaf240af296 | 101 | } |
| ThierryLeonard | 2:ddaf240af296 | 102 | |
| ThierryLeonard | 2:ddaf240af296 | 103 | void receiveAtCommandResponse(int length, uint8_t* data) |
| ThierryLeonard | 2:ddaf240af296 | 104 | { |
| ThierryLeonard | 2:ddaf240af296 | 105 | // 1 Command id |
| ThierryLeonard | 2:ddaf240af296 | 106 | |
| ThierryLeonard | 2:ddaf240af296 | 107 | uint8_t id = data[1]; |
| ThierryLeonard | 2:ddaf240af296 | 108 | |
| ThierryLeonard | 2:ddaf240af296 | 109 | // La command est identifie par les deux prochains bits |
| ThierryLeonard | 2:ddaf240af296 | 110 | uint16_t command = data[2] << 8; |
| ThierryLeonard | 2:ddaf240af296 | 111 | command += data[3]; |
| ThierryLeonard | 2:ddaf240af296 | 112 | |
| ThierryLeonard | 2:ddaf240af296 | 113 | pc.printf("\n Command %x\n",command); |
| ThierryLeonard | 2:ddaf240af296 | 114 | |
| ThierryLeonard | 2:ddaf240af296 | 115 | uint8_t status = data[4]; |
| ThierryLeonard | 2:ddaf240af296 | 116 | |
| ThierryLeonard | 2:ddaf240af296 | 117 | // Data == 5-length |
| ThierryLeonard | 2:ddaf240af296 | 118 | if(status != 0) |
| ThierryLeonard | 2:ddaf240af296 | 119 | { |
| ThierryLeonard | 2:ddaf240af296 | 120 | pc.printf("erreur"); |
| ThierryLeonard | 2:ddaf240af296 | 121 | return; |
| ThierryLeonard | 2:ddaf240af296 | 122 | } |
| ThierryLeonard | 2:ddaf240af296 | 123 | switch(command) |
| ThierryLeonard | 2:ddaf240af296 | 124 | { |
| ThierryLeonard | 2:ddaf240af296 | 125 | |
| ThierryLeonard | 2:ddaf240af296 | 126 | case 0x4e44: // Node Discovery AT Command |
| ThierryLeonard | 2:ddaf240af296 | 127 | { |
| ThierryLeonard | 2:ddaf240af296 | 128 | uint64_t serialNumber = 0; |
| ThierryLeonard | 3:eda76f539da3 | 129 | addresse_16_bit[0] = data[5]; |
| ThierryLeonard | 3:eda76f539da3 | 130 | addresse_16_bit[1] = data[6]; |
| ThierryLeonard | 3:eda76f539da3 | 131 | pc.printf("\nSerial number : "); |
| ThierryLeonard | 3:eda76f539da3 | 132 | for(int i = 7; i < 15; i++) |
| ThierryLeonard | 2:ddaf240af296 | 133 | { |
| ThierryLeonard | 2:ddaf240af296 | 134 | serialNumber += data[i] << (8 * (13-i -1) ); |
| ThierryLeonard | 3:eda76f539da3 | 135 | addresse_64_bit[i-7] = data[i]; |
| ThierryLeonard | 3:eda76f539da3 | 136 | pc.printf("%x ",data[i]); |
| ThierryLeonard | 2:ddaf240af296 | 137 | } |
| ThierryLeonard | 3:eda76f539da3 | 138 | pc.printf("\n"); |
| ThierryLeonard | 2:ddaf240af296 | 139 | |
| ThierryLeonard | 2:ddaf240af296 | 140 | return; |
| ThierryLeonard | 2:ddaf240af296 | 141 | } |
| ThierryLeonard | 2:ddaf240af296 | 142 | break; |
| ThierryLeonard | 2:ddaf240af296 | 143 | } |
| ThierryLeonard | 2:ddaf240af296 | 144 | |
| ThierryLeonard | 2:ddaf240af296 | 145 | } |
| ThierryLeonard | 2:ddaf240af296 | 146 | |
| ThierryLeonard | 3:eda76f539da3 | 147 | void receiveTransmitRequest(uint8_t* data,int length){ |
| ThierryLeonard | 3:eda76f539da3 | 148 | |
| ThierryLeonard | 3:eda76f539da3 | 149 | for(int i = TRANSMIT_REQUEST_DATA; i <length;i++) |
| evrast | 1:fe18dd0ba172 | 150 | { |
| ThierryLeonard | 3:eda76f539da3 | 151 | // pc.printf("%c", data[i]); |
| evrast | 1:fe18dd0ba172 | 152 | } |
| evrast | 1:fe18dd0ba172 | 153 | } |
| evrast | 1:fe18dd0ba172 | 154 | |
| ThierryLeonard | 3:eda76f539da3 | 155 | void stopLed() |
| ThierryLeonard | 3:eda76f539da3 | 156 | { |
| ThierryLeonard | 3:eda76f539da3 | 157 | myled = 0; |
| ThierryLeonard | 3:eda76f539da3 | 158 | } |
| ThierryLeonard | 3:eda76f539da3 | 159 | |
| ThierryLeonard | 3:eda76f539da3 | 160 | void triggerErrorLed() |
| ThierryLeonard | 3:eda76f539da3 | 161 | { |
| ThierryLeonard | 3:eda76f539da3 | 162 | myled = 1; |
| ThierryLeonard | 3:eda76f539da3 | 163 | |
| ThierryLeonard | 3:eda76f539da3 | 164 | static Timeout t; |
| ThierryLeonard | 3:eda76f539da3 | 165 | t.detach(); |
| ThierryLeonard | 3:eda76f539da3 | 166 | t.attach(stopLed,1.0); |
| ThierryLeonard | 3:eda76f539da3 | 167 | } |
| evrast | 1:fe18dd0ba172 | 168 | |
| evrast | 1:fe18dd0ba172 | 169 | void receiveNewPaquet() |
| evrast | 1:fe18dd0ba172 | 170 | { |
| evrast | 1:fe18dd0ba172 | 171 | int length; |
| ThierryLeonard | 3:eda76f539da3 | 172 | uint8_t temp = xBee.getc(); |
| ThierryLeonard | 3:eda76f539da3 | 173 | if(temp == START_DELEMITER) |
| evrast | 1:fe18dd0ba172 | 174 | { |
| ThierryLeonard | 2:ddaf240af296 | 175 | // MSB |
| evrast | 1:fe18dd0ba172 | 176 | length = (((xBee.getc()) << 8)); |
| ThierryLeonard | 2:ddaf240af296 | 177 | // LSB |
| evrast | 1:fe18dd0ba172 | 178 | length +=(xBee.getc()); |
| evrast | 1:fe18dd0ba172 | 179 | uint8_t frame_type = xBee.getc(); |
| evrast | 1:fe18dd0ba172 | 180 | |
| ThierryLeonard | 2:ddaf240af296 | 181 | uint8_t data[512]; |
| ThierryLeonard | 2:ddaf240af296 | 182 | data[0] = frame_type; |
| ThierryLeonard | 2:ddaf240af296 | 183 | |
| ThierryLeonard | 3:eda76f539da3 | 184 | uint8_t checkSum = 0xFF - frame_type; |
| ThierryLeonard | 3:eda76f539da3 | 185 | |
| ThierryLeonard | 3:eda76f539da3 | 186 | for(int i = 1; i < length; i++) |
| ThierryLeonard | 3:eda76f539da3 | 187 | { |
| ThierryLeonard | 3:eda76f539da3 | 188 | uint8_t temp = xBee.getc(); |
| ThierryLeonard | 3:eda76f539da3 | 189 | if(temp == 0x7E){ |
| ThierryLeonard | 3:eda76f539da3 | 190 | pc.printf("\n Erreur 7e \n"); |
| ThierryLeonard | 3:eda76f539da3 | 191 | |
| ThierryLeonard | 3:eda76f539da3 | 192 | triggerErrorLed(); |
| ThierryLeonard | 3:eda76f539da3 | 193 | return; |
| ThierryLeonard | 3:eda76f539da3 | 194 | } |
| ThierryLeonard | 3:eda76f539da3 | 195 | data[i] = temp; |
| ThierryLeonard | 3:eda76f539da3 | 196 | checkSum-=temp; |
| ThierryLeonard | 3:eda76f539da3 | 197 | } |
| ThierryLeonard | 3:eda76f539da3 | 198 | // Mauvais CheckSum |
| ThierryLeonard | 3:eda76f539da3 | 199 | if(checkSum != xBee.getc()) |
| ThierryLeonard | 3:eda76f539da3 | 200 | { |
| ThierryLeonard | 3:eda76f539da3 | 201 | pc.printf("\nMauvais checksum\n"); |
| ThierryLeonard | 3:eda76f539da3 | 202 | triggerErrorLed(); |
| ThierryLeonard | 3:eda76f539da3 | 203 | } |
| evrast | 1:fe18dd0ba172 | 204 | switch (frame_type){ |
| ThierryLeonard | 2:ddaf240af296 | 205 | case 0x90: |
| ThierryLeonard | 3:eda76f539da3 | 206 | //pc.printf("ReceiveTransmit"); |
| ThierryLeonard | 3:eda76f539da3 | 207 | receiveTransmitRequest(data,length); |
| ThierryLeonard | 2:ddaf240af296 | 208 | // AT command Response frame |
| ThierryLeonard | 2:ddaf240af296 | 209 | break; |
| ThierryLeonard | 2:ddaf240af296 | 210 | case 0x88: |
| ThierryLeonard | 3:eda76f539da3 | 211 | |
| ThierryLeonard | 2:ddaf240af296 | 212 | pc.printf("\nat response : length %i, frame time %i\n",length,frame_type); |
| ThierryLeonard | 3:eda76f539da3 | 213 | |
| ThierryLeonard | 3:eda76f539da3 | 214 | receiveAtCommandResponse(length, data); |
| ThierryLeonard | 3:eda76f539da3 | 215 | |
| ThierryLeonard | 2:ddaf240af296 | 216 | break; |
| ThierryLeonard | 3:eda76f539da3 | 217 | } |
| evrast | 1:fe18dd0ba172 | 218 | } |
| evrast | 1:fe18dd0ba172 | 219 | } |
| evrast | 1:fe18dd0ba172 | 220 | |
| evrast | 1:fe18dd0ba172 | 221 | |
| evrast | 1:fe18dd0ba172 | 222 | |
| evrast | 0:53817a293b39 | 223 | int main() { |
| ThierryLeonard | 2:ddaf240af296 | 224 | flipper.attach (&sendRemoteAtCommand,1); |
| evrast | 0:53817a293b39 | 225 | reset =0; |
| evrast | 0:53817a293b39 | 226 | wait_ms(500); |
| evrast | 0:53817a293b39 | 227 | reset=1; |
| evrast | 0:53817a293b39 | 228 | wait(1); |
| evrast | 0:53817a293b39 | 229 | xBee.printf("+++"); |
| ThierryLeonard | 3:eda76f539da3 | 230 | |
| evrast | 0:53817a293b39 | 231 | wait(1); |
| evrast | 0:53817a293b39 | 232 | // |
| evrast | 0:53817a293b39 | 233 | // for(int i =0;i <14;i++){ |
| evrast | 0:53817a293b39 | 234 | // xBee.putc(pan_id[i]); |
| evrast | 0:53817a293b39 | 235 | // } |
| ThierryLeonard | 3:eda76f539da3 | 236 | sendNDCommand(); |
| evrast | 0:53817a293b39 | 237 | while(1) { |
| ThierryLeonard | 3:eda76f539da3 | 238 | |
| evrast | 0:53817a293b39 | 239 | if(xBee.readable()){ |
| evrast | 1:fe18dd0ba172 | 240 | receiveNewPaquet(); |
| evrast | 1:fe18dd0ba172 | 241 | } |
| evrast | 1:fe18dd0ba172 | 242 | if (atCommand){ |
| evrast | 1:fe18dd0ba172 | 243 | atCommand = false; |
| ThierryLeonard | 2:ddaf240af296 | 244 | sendRemoteLedCommandPaquet(); |
| ThierryLeonard | 3:eda76f539da3 | 245 | } |
| evrast | 0:53817a293b39 | 246 | } |
| evrast | 0:53817a293b39 | 247 | } |
| evrast | 0:53817a293b39 | 248 |
