ENEL400 / Mbed 2 deprecated LoRaBaseStation

Wireless interface using LoRa technology

Dependencies:   AlohaTransceiver RingBuffer SX1276Lib SerialInterfaceProtocol mbed L3PDU

main.cpp@9:e13e02aa4a2f, 2016-07-29 (annotated)

Committer:
rba90
Date:
Fri Jul 29 04:00:09 2016 +0000
Revision:
9:e13e02aa4a2f
Parent:
8:332099ece6e9
Child:
11:9590f3c9d915
update radio settings on request

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rba90 0:1e42d79b42e1 1 #include "mbed.h"
rba90 0:1e42d79b42e1 2 #include "AlohaTransceiver.h"
rba90 0:1e42d79b42e1 3 #include "buffer.h"
rba90 0:1e42d79b42e1 4 #include "SerialInterfaceProtocol.h"
rba90 0:1e42d79b42e1 5 #include "AlohaFrame.h"
rba90 0:1e42d79b42e1 6
rba90 0:1e42d79b42e1 7 Serial pc(USBTX, USBRX);
rba90 0:1e42d79b42e1 8
rba90 0:1e42d79b42e1 9 // sip uses two buffer queues
rba90 0:1e42d79b42e1 10 CircularBuffer<uint8_t> SerialInputBuffer;
rba90 0:1e42d79b42e1 11 CircularBuffer<uint8_t> SerialOutputBuffer;
rba90 0:1e42d79b42e1 12 SerialInterfaceProtocol SIP(&SerialInputBuffer, &SerialOutputBuffer);
rba90 0:1e42d79b42e1 13
rba90 0:1e42d79b42e1 14 // aloha transceiver
rba90 8:332099ece6e9 15 AlohaTransceiver aloha(DEVICE_ID);
rba90 0:1e42d79b42e1 16 AlohaFrame txFrame;
rba90 0:1e42d79b42e1 17
rba90 0:1e42d79b42e1 18 void serialInterruptHandler() {
rba90 0:1e42d79b42e1 19 // Note: you need to actually read from the serial to clear the RX interrupt
rba90 0:1e42d79b42e1 20 int c = pc.getc();
rba90 0:1e42d79b42e1 21
rba90 0:1e42d79b42e1 22 // add to buffer
rba90 0:1e42d79b42e1 23 if (SerialInputBuffer.isLocked())
rba90 0:1e42d79b42e1 24 {
rba90 0:1e42d79b42e1 25 printf("Mutex Locked\r\n");
rba90 0:1e42d79b42e1 26 }
rba90 0:1e42d79b42e1 27 else
rba90 0:1e42d79b42e1 28 {
rba90 0:1e42d79b42e1 29 SerialInputBuffer.enqueue((uint8_t) c);
rba90 0:1e42d79b42e1 30 }
rba90 0:1e42d79b42e1 31 }
rba90 0:1e42d79b42e1 32
rba90 0:1e42d79b42e1 33 int toggleChecksum(uint8_t *payload, uint8_t payload_length, uint8_t *response, uint8_t *response_length)
rba90 0:1e42d79b42e1 34 {
rba90 0:1e42d79b42e1 35 // one payload
rba90 0:1e42d79b42e1 36 if (payload_length != 1)
rba90 0:1e42d79b42e1 37 {
rba90 0:1e42d79b42e1 38 sprintf((char *) response, "Wrong Payload Length\r\n");
rba90 0:1e42d79b42e1 39 *response_length = 22;
rba90 0:1e42d79b42e1 40 return 1;
rba90 0:1e42d79b42e1 41 }
rba90 0:1e42d79b42e1 42
rba90 0:1e42d79b42e1 43 if ((bool) payload[0])
rba90 0:1e42d79b42e1 44 {
rba90 0:1e42d79b42e1 45 SIP.enableChecksum();
rba90 0:1e42d79b42e1 46 }
rba90 0:1e42d79b42e1 47 else
rba90 0:1e42d79b42e1 48 {
rba90 0:1e42d79b42e1 49 SIP.disableChecksum();
rba90 0:1e42d79b42e1 50 }
rba90 0:1e42d79b42e1 51
rba90 0:1e42d79b42e1 52 return 0;
rba90 0:1e42d79b42e1 53 }
rba90 0:1e42d79b42e1 54
rba90 9:e13e02aa4a2f 55 /*
rba90 9:e13e02aa4a2f 56 * Format:
rba90 9:e13e02aa4a2f 57 * < :start flag
rba90 9:e13e02aa4a2f 58 * 02 :command
rba90 9:e13e02aa4a2f 59 * xx :length
rba90 9:e13e02aa4a2f 60 * xx: :00: get, 01: set
rba90 9:e13e02aa4a2f 61 * xx :index for parameters
rba90 9:e13e02aa4a2f 62 * ...
rba90 9:e13e02aa4a2f 63 * ff :checksum
rba90 9:e13e02aa4a2f 64 * > :end flag
rba90 9:e13e02aa4a2f 65 */
rba90 9:e13e02aa4a2f 66 int configureRadio(uint8_t *payload, uint8_t payload_length, uint8_t *response, uint8_t *response_length)
rba90 9:e13e02aa4a2f 67 {
rba90 9:e13e02aa4a2f 68 // read settings from radio
rba90 9:e13e02aa4a2f 69 #if USE_MODEM_LORA == 1
rba90 9:e13e02aa4a2f 70 AlohaTransceiver::LoRaSettings_t *settings = aloha.getSettings();
rba90 9:e13e02aa4a2f 71 #elif USE_MODEM_FSK == 1
rba90 9:e13e02aa4a2f 72 AlohaTransceiver::FskSettings_t *settings = aloha.getSettings();
rba90 9:e13e02aa4a2f 73 #else
rba90 9:e13e02aa4a2f 74 #error "Please define a modem in the compiler options."
rba90 9:e13e02aa4a2f 75 #endif
rba90 9:e13e02aa4a2f 76
rba90 9:e13e02aa4a2f 77 if (payload_length < 2)
rba90 9:e13e02aa4a2f 78 {
rba90 9:e13e02aa4a2f 79 sprintf((char *) response, "Wrong Payload Length\r\n");
rba90 9:e13e02aa4a2f 80 *response_length = 22;
rba90 9:e13e02aa4a2f 81 return 1;
rba90 9:e13e02aa4a2f 82 }
rba90 9:e13e02aa4a2f 83
rba90 9:e13e02aa4a2f 84 // true is set, false is get
rba90 9:e13e02aa4a2f 85 bool isSet = (bool) payload[0];
rba90 9:e13e02aa4a2f 86 uint8_t idx = payload[1];
rba90 9:e13e02aa4a2f 87
rba90 9:e13e02aa4a2f 88 switch(idx)
rba90 9:e13e02aa4a2f 89 {
rba90 9:e13e02aa4a2f 90 case 0x00: // Power
rba90 9:e13e02aa4a2f 91 {
rba90 9:e13e02aa4a2f 92 if (isSet)
rba90 9:e13e02aa4a2f 93 {
rba90 9:e13e02aa4a2f 94 int8_t Power = (int8_t) payload[2];
rba90 9:e13e02aa4a2f 95 settings->Power = Power;
rba90 9:e13e02aa4a2f 96
rba90 9:e13e02aa4a2f 97 return 0;
rba90 9:e13e02aa4a2f 98 }
rba90 9:e13e02aa4a2f 99 else
rba90 9:e13e02aa4a2f 100 {
rba90 9:e13e02aa4a2f 101 response[0] = (uint8_t) settings->Power;
rba90 9:e13e02aa4a2f 102 *response_length = 1;
rba90 9:e13e02aa4a2f 103
rba90 9:e13e02aa4a2f 104 return 0;
rba90 9:e13e02aa4a2f 105 }
rba90 9:e13e02aa4a2f 106 }
rba90 9:e13e02aa4a2f 107
rba90 9:e13e02aa4a2f 108 case 0x01: // Bandwidth
rba90 9:e13e02aa4a2f 109 {
rba90 9:e13e02aa4a2f 110 if (isSet)
rba90 9:e13e02aa4a2f 111 {
rba90 9:e13e02aa4a2f 112 uint32_t Bandwidth = (payload[5]) |
rba90 9:e13e02aa4a2f 113 (payload[4] << 8) |
rba90 9:e13e02aa4a2f 114 (payload[3] << 16) |
rba90 9:e13e02aa4a2f 115 (payload[2] << 24);
rba90 9:e13e02aa4a2f 116 settings->Bandwidth = Bandwidth;
rba90 9:e13e02aa4a2f 117
rba90 9:e13e02aa4a2f 118 return 0;
rba90 9:e13e02aa4a2f 119 }
rba90 9:e13e02aa4a2f 120 else
rba90 9:e13e02aa4a2f 121 {
rba90 9:e13e02aa4a2f 122 response[3] = (uint8_t) (settings->Bandwidth);
rba90 9:e13e02aa4a2f 123 response[2] = (uint8_t) (settings->Bandwidth >> 8);
rba90 9:e13e02aa4a2f 124 response[1] = (uint8_t) (settings->Bandwidth >> 16);
rba90 9:e13e02aa4a2f 125 response[0] = (uint8_t) (settings->Bandwidth >> 24);
rba90 9:e13e02aa4a2f 126 *response_length = 4;
rba90 9:e13e02aa4a2f 127
rba90 9:e13e02aa4a2f 128 return 0;
rba90 9:e13e02aa4a2f 129 }
rba90 9:e13e02aa4a2f 130
rba90 9:e13e02aa4a2f 131 }
rba90 9:e13e02aa4a2f 132
rba90 9:e13e02aa4a2f 133 case 0x02: // Datarate, AKA Spreading Factor
rba90 9:e13e02aa4a2f 134 {
rba90 9:e13e02aa4a2f 135 if (isSet)
rba90 9:e13e02aa4a2f 136 {
rba90 9:e13e02aa4a2f 137 uint32_t Datarate = (payload[5]) |
rba90 9:e13e02aa4a2f 138 (payload[4] << 8) |
rba90 9:e13e02aa4a2f 139 (payload[3] << 16) |
rba90 9:e13e02aa4a2f 140 (payload[2] << 24);
rba90 9:e13e02aa4a2f 141 settings->Datarate = Datarate;
rba90 9:e13e02aa4a2f 142
rba90 9:e13e02aa4a2f 143 return 0;
rba90 9:e13e02aa4a2f 144 }
rba90 9:e13e02aa4a2f 145 else
rba90 9:e13e02aa4a2f 146 {
rba90 9:e13e02aa4a2f 147 response[3] = (uint8_t) (settings->Datarate);
rba90 9:e13e02aa4a2f 148 response[2] = (uint8_t) (settings->Datarate >> 8);
rba90 9:e13e02aa4a2f 149 response[1] = (uint8_t) (settings->Datarate >> 16);
rba90 9:e13e02aa4a2f 150 response[0] = (uint8_t) (settings->Datarate >> 24);
rba90 9:e13e02aa4a2f 151 *response_length = 4;
rba90 9:e13e02aa4a2f 152
rba90 9:e13e02aa4a2f 153 return 0;
rba90 9:e13e02aa4a2f 154 }
rba90 9:e13e02aa4a2f 155 }
rba90 9:e13e02aa4a2f 156
rba90 9:e13e02aa4a2f 157 case 0x03: // Coderate
rba90 9:e13e02aa4a2f 158 {
rba90 9:e13e02aa4a2f 159 if (isSet)
rba90 9:e13e02aa4a2f 160 {
rba90 9:e13e02aa4a2f 161 uint8_t Coderate = payload[2];
rba90 9:e13e02aa4a2f 162 settings->Coderate = Coderate;
rba90 9:e13e02aa4a2f 163
rba90 9:e13e02aa4a2f 164 return 0;
rba90 9:e13e02aa4a2f 165 }
rba90 9:e13e02aa4a2f 166 else
rba90 9:e13e02aa4a2f 167 {
rba90 9:e13e02aa4a2f 168 response[0] = (uint8_t) settings->Coderate;
rba90 9:e13e02aa4a2f 169 *response_length = 1;
rba90 9:e13e02aa4a2f 170
rba90 9:e13e02aa4a2f 171 return 0;
rba90 9:e13e02aa4a2f 172 }
rba90 9:e13e02aa4a2f 173 }
rba90 9:e13e02aa4a2f 174
rba90 9:e13e02aa4a2f 175 case 0x04: //Preamble Length
rba90 9:e13e02aa4a2f 176 {
rba90 9:e13e02aa4a2f 177 if (isSet)
rba90 9:e13e02aa4a2f 178 {
rba90 9:e13e02aa4a2f 179 uint16_t PreambleLen = payload[3] | (payload[2] << 8);
rba90 9:e13e02aa4a2f 180 settings->PreambleLen = PreambleLen;
rba90 9:e13e02aa4a2f 181 return 0;
rba90 9:e13e02aa4a2f 182 }
rba90 9:e13e02aa4a2f 183 else
rba90 9:e13e02aa4a2f 184 {
rba90 9:e13e02aa4a2f 185 response[1] = (uint8_t) (settings->PreambleLen);
rba90 9:e13e02aa4a2f 186 response[0] = (uint8_t)(settings->PreambleLen >> 8);
rba90 9:e13e02aa4a2f 187 *response_length = 2;
rba90 9:e13e02aa4a2f 188
rba90 9:e13e02aa4a2f 189 return 0;
rba90 9:e13e02aa4a2f 190 }
rba90 9:e13e02aa4a2f 191 }
rba90 9:e13e02aa4a2f 192
rba90 9:e13e02aa4a2f 193 case 0x05: //Symbol Timeout
rba90 9:e13e02aa4a2f 194 {
rba90 9:e13e02aa4a2f 195 if (isSet)
rba90 9:e13e02aa4a2f 196 {
rba90 9:e13e02aa4a2f 197 uint16_t SymbolTimeout = payload[3] | (payload[2] << 8);
rba90 9:e13e02aa4a2f 198 settings->SymbolTimeout = SymbolTimeout;
rba90 9:e13e02aa4a2f 199 return 0;
rba90 9:e13e02aa4a2f 200 }
rba90 9:e13e02aa4a2f 201 else
rba90 9:e13e02aa4a2f 202 {
rba90 9:e13e02aa4a2f 203 response[1] = (uint8_t) (settings->SymbolTimeout);
rba90 9:e13e02aa4a2f 204 response[0] = (uint8_t) (settings->SymbolTimeout >> 8);
rba90 9:e13e02aa4a2f 205 *response_length = 2;
rba90 9:e13e02aa4a2f 206
rba90 9:e13e02aa4a2f 207 return 0;
rba90 9:e13e02aa4a2f 208 }
rba90 9:e13e02aa4a2f 209 }
rba90 9:e13e02aa4a2f 210
rba90 9:e13e02aa4a2f 211 case 0x06: //FixLen
rba90 9:e13e02aa4a2f 212 {
rba90 9:e13e02aa4a2f 213 if (isSet)
rba90 9:e13e02aa4a2f 214 {
rba90 9:e13e02aa4a2f 215 bool FixLen = payload[2];
rba90 9:e13e02aa4a2f 216 settings->FixLen = FixLen;
rba90 9:e13e02aa4a2f 217 return 0;
rba90 9:e13e02aa4a2f 218 }
rba90 9:e13e02aa4a2f 219 else
rba90 9:e13e02aa4a2f 220 {
rba90 9:e13e02aa4a2f 221 response[0] = (bool) (settings->SymbolTimeout);
rba90 9:e13e02aa4a2f 222 *response_length = 1;
rba90 9:e13e02aa4a2f 223
rba90 9:e13e02aa4a2f 224 return 0;
rba90 9:e13e02aa4a2f 225 }
rba90 9:e13e02aa4a2f 226 }
rba90 9:e13e02aa4a2f 227
rba90 9:e13e02aa4a2f 228 case 0x07: //PayloadLen
rba90 9:e13e02aa4a2f 229 {
rba90 9:e13e02aa4a2f 230 if (isSet)
rba90 9:e13e02aa4a2f 231 {
rba90 9:e13e02aa4a2f 232 uint8_t PayloadLen = payload[2];
rba90 9:e13e02aa4a2f 233 settings->PayloadLen = PayloadLen;
rba90 9:e13e02aa4a2f 234 return 0;
rba90 9:e13e02aa4a2f 235 }
rba90 9:e13e02aa4a2f 236 else
rba90 9:e13e02aa4a2f 237 {
rba90 9:e13e02aa4a2f 238 response[0] = (uint8_t) (settings->PayloadLen);
rba90 9:e13e02aa4a2f 239
rba90 9:e13e02aa4a2f 240 return 0;
rba90 9:e13e02aa4a2f 241 }
rba90 9:e13e02aa4a2f 242 }
rba90 9:e13e02aa4a2f 243
rba90 9:e13e02aa4a2f 244 case 0x08: //CrcOn
rba90 9:e13e02aa4a2f 245 {
rba90 9:e13e02aa4a2f 246 if (isSet) {
rba90 9:e13e02aa4a2f 247 bool CrcOn = payload[2];
rba90 9:e13e02aa4a2f 248 settings->CrcOn = CrcOn;
rba90 9:e13e02aa4a2f 249 return 0;
rba90 9:e13e02aa4a2f 250 }
rba90 9:e13e02aa4a2f 251 else
rba90 9:e13e02aa4a2f 252 {
rba90 9:e13e02aa4a2f 253 response[0] = (bool) (settings->CrcOn);
rba90 9:e13e02aa4a2f 254
rba90 9:e13e02aa4a2f 255 return 0;
rba90 9:e13e02aa4a2f 256 }
rba90 9:e13e02aa4a2f 257 }
rba90 9:e13e02aa4a2f 258
rba90 9:e13e02aa4a2f 259 case 0x09: //FreqHopOn
rba90 9:e13e02aa4a2f 260 {
rba90 9:e13e02aa4a2f 261 if (isSet) {
rba90 9:e13e02aa4a2f 262 bool FreqHopOn = payload[2];
rba90 9:e13e02aa4a2f 263 settings->FreqHopOn = FreqHopOn;
rba90 9:e13e02aa4a2f 264 return 0;
rba90 9:e13e02aa4a2f 265 }
rba90 9:e13e02aa4a2f 266 else
rba90 9:e13e02aa4a2f 267 {
rba90 9:e13e02aa4a2f 268 response[0] = (bool) (settings->FreqHopOn);
rba90 9:e13e02aa4a2f 269
rba90 9:e13e02aa4a2f 270 return 0;
rba90 9:e13e02aa4a2f 271 }
rba90 9:e13e02aa4a2f 272 }
rba90 9:e13e02aa4a2f 273
rba90 9:e13e02aa4a2f 274 case 0x0A: //HopPeriod
rba90 9:e13e02aa4a2f 275 {
rba90 9:e13e02aa4a2f 276 if (isSet) {
rba90 9:e13e02aa4a2f 277 uint8_t HopPeriod = payload[2];
rba90 9:e13e02aa4a2f 278 settings->HopPeriod = HopPeriod;
rba90 9:e13e02aa4a2f 279 return 0;
rba90 9:e13e02aa4a2f 280 }
rba90 9:e13e02aa4a2f 281 else
rba90 9:e13e02aa4a2f 282 {
rba90 9:e13e02aa4a2f 283 response[0] = (uint8_t) (settings->HopPeriod);
rba90 9:e13e02aa4a2f 284 return 0;
rba90 9:e13e02aa4a2f 285 }
rba90 9:e13e02aa4a2f 286 }
rba90 9:e13e02aa4a2f 287
rba90 9:e13e02aa4a2f 288 case 0x0B: //IqInverted
rba90 9:e13e02aa4a2f 289 {
rba90 9:e13e02aa4a2f 290 if (isSet) {
rba90 9:e13e02aa4a2f 291 bool IqInverted = payload[2];
rba90 9:e13e02aa4a2f 292 settings->IqInverted = IqInverted;
rba90 9:e13e02aa4a2f 293 return 0;
rba90 9:e13e02aa4a2f 294 }
rba90 9:e13e02aa4a2f 295 else
rba90 9:e13e02aa4a2f 296 {
rba90 9:e13e02aa4a2f 297 response[0] = (bool) (settings->IqInverted);
rba90 9:e13e02aa4a2f 298 return 0;
rba90 9:e13e02aa4a2f 299 }
rba90 9:e13e02aa4a2f 300 }
rba90 9:e13e02aa4a2f 301
rba90 9:e13e02aa4a2f 302 case 0x0C: //RxContinuous
rba90 9:e13e02aa4a2f 303 {
rba90 9:e13e02aa4a2f 304 if(isSet)
rba90 9:e13e02aa4a2f 305 {
rba90 9:e13e02aa4a2f 306 bool RxContinuous = payload[2];
rba90 9:e13e02aa4a2f 307 settings->RxContinuous = RxContinuous;
rba90 9:e13e02aa4a2f 308 return 0;
rba90 9:e13e02aa4a2f 309 }
rba90 9:e13e02aa4a2f 310 else
rba90 9:e13e02aa4a2f 311 {
rba90 9:e13e02aa4a2f 312 response[0] = (bool) (settings->RxContinuous);
rba90 9:e13e02aa4a2f 313 return 0;
rba90 9:e13e02aa4a2f 314 }
rba90 9:e13e02aa4a2f 315 }
rba90 9:e13e02aa4a2f 316
rba90 9:e13e02aa4a2f 317 case 0x0D: //TxTimeout
rba90 9:e13e02aa4a2f 318 {
rba90 9:e13e02aa4a2f 319 if (isSet)
rba90 9:e13e02aa4a2f 320 {
rba90 9:e13e02aa4a2f 321 uint32_t TxTimeout = (payload[5]) |
rba90 9:e13e02aa4a2f 322 (payload[4] << 8) |
rba90 9:e13e02aa4a2f 323 (payload[3] << 16) |
rba90 9:e13e02aa4a2f 324 (payload[2] << 24);
rba90 9:e13e02aa4a2f 325 settings->TxTimeout = TxTimeout;
rba90 9:e13e02aa4a2f 326 return 0;
rba90 9:e13e02aa4a2f 327 }
rba90 9:e13e02aa4a2f 328 else
rba90 9:e13e02aa4a2f 329 {
rba90 9:e13e02aa4a2f 330 response[3] = (uint8_t) (settings->TxTimeout);
rba90 9:e13e02aa4a2f 331 response[2] = (uint8_t) (settings->TxTimeout >> 8);
rba90 9:e13e02aa4a2f 332 response[1] = (uint8_t) (settings->TxTimeout >> 16);
rba90 9:e13e02aa4a2f 333 response[0] = (uint8_t) (settings->TxTimeout >> 24);
rba90 9:e13e02aa4a2f 334 *response_length = 4;
rba90 9:e13e02aa4a2f 335
rba90 9:e13e02aa4a2f 336 return 0;
rba90 9:e13e02aa4a2f 337 }
rba90 9:e13e02aa4a2f 338 }
rba90 9:e13e02aa4a2f 339
rba90 9:e13e02aa4a2f 340
rba90 9:e13e02aa4a2f 341 default:
rba90 9:e13e02aa4a2f 342 {
rba90 9:e13e02aa4a2f 343 break;
rba90 9:e13e02aa4a2f 344 }
rba90 9:e13e02aa4a2f 345
rba90 9:e13e02aa4a2f 346 //case
rba90 9:e13e02aa4a2f 347 }
rba90 9:e13e02aa4a2f 348
rba90 9:e13e02aa4a2f 349
rba90 9:e13e02aa4a2f 350 return 0;
rba90 9:e13e02aa4a2f 351 }
rba90 9:e13e02aa4a2f 352
rba90 9:e13e02aa4a2f 353 int radioUpdateSettings(uint8_t *payload, uint8_t payload_length, uint8_t *response, uint8_t *response_length)
rba90 9:e13e02aa4a2f 354 {
rba90 9:e13e02aa4a2f 355 aloha.updateSettings();
rba90 9:e13e02aa4a2f 356
rba90 9:e13e02aa4a2f 357 return 0;
rba90 9:e13e02aa4a2f 358 }
rba90 9:e13e02aa4a2f 359
rba90 6:19457108c899 360 int sendMessage(uint8_t *payload, uint8_t payload_length, uint8_t *response, uint8_t *response_length)
rba90 6:19457108c899 361 {
rba90 6:19457108c899 362 static uint8_t seqid = 0;
rba90 6:19457108c899 363
rba90 6:19457108c899 364 // prepare for the frame
rba90 6:19457108c899 365 txFrame.setType(AlohaFrame::Aloha_Data);
rba90 6:19457108c899 366 txFrame.setPayloadLength(0x0);
rba90 6:19457108c899 367 txFrame.setSourceAddress(0x1);
rba90 6:19457108c899 368 txFrame.setDestinationAddress(0x2);
rba90 6:19457108c899 369 txFrame.setFullMessageFlag(0x1);
rba90 6:19457108c899 370 txFrame.setSequenceID(seqid);
rba90 6:19457108c899 371 txFrame.generateCrc();
rba90 6:19457108c899 372
rba90 6:19457108c899 373
rba90 6:19457108c899 374 uint8_t buffer[20];
rba90 6:19457108c899 375 memset(buffer, 0x0, sizeof(buffer));
rba90 6:19457108c899 376 txFrame.serialize(buffer);
rba90 6:19457108c899 377
rba90 6:19457108c899 378 aloha.send(buffer, 20);
rba90 6:19457108c899 379
rba90 6:19457108c899 380 seqid += 1;
rba90 6:19457108c899 381
rba90 6:19457108c899 382 return 0;
rba90 6:19457108c899 383 }
rba90 6:19457108c899 384
rba90 2:ae85337d4ca7 385 void AlohaDataEcho(AlohaFrame *frame)
rba90 3:a4f6abad9378 386 {
rba90 2:ae85337d4ca7 387 // get rssi and snr
rba90 2:ae85337d4ca7 388 uint16_t rssi = aloha.getRssi();
rba90 2:ae85337d4ca7 389 uint8_t snr = aloha.getSnr();
rba90 2:ae85337d4ca7 390
rba90 2:ae85337d4ca7 391 uint8_t rssi_h = (rssi & 0xff00) >> 8;
rba90 2:ae85337d4ca7 392 uint8_t rssi_l = rssi & 0xff;
rba90 2:ae85337d4ca7 393
rba90 2:ae85337d4ca7 394 // Transmit RSSI and SNR back to sender
rba90 2:ae85337d4ca7 395 txFrame.setType(AlohaFrame::Aloha_Data);
rba90 2:ae85337d4ca7 396 txFrame.setPayloadLength(3);
rba90 8:332099ece6e9 397 txFrame.setSourceAddress(aloha.getDeviceId());
rba90 2:ae85337d4ca7 398 txFrame.setDestinationAddress(frame->getSourceAddress());
rba90 2:ae85337d4ca7 399 txFrame.setFullMessageFlag(frame->getFullMessageFlag());
rba90 2:ae85337d4ca7 400 txFrame.setSequenceID(frame->getSequenceID() + 1);
rba90 2:ae85337d4ca7 401 txFrame.setPayload(snr, 0);
rba90 2:ae85337d4ca7 402 txFrame.setPayload(rssi_h, 1);
rba90 2:ae85337d4ca7 403 txFrame.setPayload(rssi_l, 2);
rba90 2:ae85337d4ca7 404 txFrame.generateCrc();
rba90 2:ae85337d4ca7 405
rba90 2:ae85337d4ca7 406
rba90 2:ae85337d4ca7 407 uint8_t buffer[20];
rba90 2:ae85337d4ca7 408 memset(buffer, 0x0, sizeof(buffer));
rba90 2:ae85337d4ca7 409 txFrame.serialize(buffer);
rba90 2:ae85337d4ca7 410
rba90 2:ae85337d4ca7 411 aloha.send(buffer, 20);
rba90 2:ae85337d4ca7 412
rba90 3:a4f6abad9378 413 // print received message
rba90 3:a4f6abad9378 414 printf("-----------------------------------------\r\n");
rba90 3:a4f6abad9378 415 printf(">Received Frame\r\n");
rba90 3:a4f6abad9378 416 printf("> Type: 0x%x, PayloadLength: 0x%x\r\n", frame->getType(), frame->getPayloadLength());
rba90 3:a4f6abad9378 417 printf("> SrcAddr: 0x%x, DestAddr: 0x%x\r\n", frame->getSourceAddress(), frame->getDestinationAddress());
rba90 3:a4f6abad9378 418 printf("> FMF: 0x%x, SequenceID: 0x%x\r\n", frame->getFullMessageFlag(), frame->getSequenceID());
rba90 3:a4f6abad9378 419 for (uint8_t i = 0; i < frame->getPayloadLength(); i++)
rba90 3:a4f6abad9378 420 {
rba90 3:a4f6abad9378 421 printf("> Payload[%d]: 0x%x\r\n", i, frame->getPayload(i));
rba90 3:a4f6abad9378 422 }
rba90 3:a4f6abad9378 423 printf("> CRC: 0x%x\r\n", frame->getCrc());
rba90 3:a4f6abad9378 424 printf("-----------------------------------------\r\n");
rba90 0:1e42d79b42e1 425 }
rba90 0:1e42d79b42e1 426
rba90 0:1e42d79b42e1 427 int main() {
rba90 0:1e42d79b42e1 428 // initialize radio module
rba90 5:445f35444a6a 429 aloha.boardInit();
rba90 6:19457108c899 430 aloha.updateSettings();
rba90 6:19457108c899 431 aloha.enable();
rba90 0:1e42d79b42e1 432
rba90 0:1e42d79b42e1 433 // attach serial interrupt handler
rba90 0:1e42d79b42e1 434 pc.attach(&serialInterruptHandler);
rba90 0:1e42d79b42e1 435
rba90 0:1e42d79b42e1 436 // register callback functions for SIP
rba90 0:1e42d79b42e1 437 SIP.registerCommand(0x00, toggleChecksum);
rba90 6:19457108c899 438 SIP.registerCommand(0x01, sendMessage);
rba90 9:e13e02aa4a2f 439 SIP.registerCommand(0x02, configureRadio);
rba90 9:e13e02aa4a2f 440 SIP.registerCommand(0x03, radioUpdateSettings);
rba90 0:1e42d79b42e1 441
rba90 0:1e42d79b42e1 442 // register callback functions for aloha transceiver
rba90 2:ae85337d4ca7 443 aloha.registerType(AlohaFrame::Aloha_Data, AlohaDataEcho);
rba90 0:1e42d79b42e1 444
rba90 0:1e42d79b42e1 445 while(1) {
rba90 0:1e42d79b42e1 446 SIP.poll();
rba90 0:1e42d79b42e1 447 aloha.poll();
rba90 0:1e42d79b42e1 448
rba90 0:1e42d79b42e1 449 while (SerialOutputBuffer.getCounter() > 0)
rba90 0:1e42d79b42e1 450 {
rba90 0:1e42d79b42e1 451 uint8_t ch;
rba90 0:1e42d79b42e1 452 ch = SerialOutputBuffer.dequeue();
rba90 0:1e42d79b42e1 453 pc.putc(ch);
rba90 0:1e42d79b42e1 454 }
rba90 0:1e42d79b42e1 455 }
rba90 0:1e42d79b42e1 456 }