LoRa Access Point 1.5.2018
Dependencies: mbed ds3231 SX1276Lib_LoRa_Access_Point
RFM95W.cpp@4:e20eb5efd859, 2018-04-30 (annotated)
- Committer:
- lukas_formanek
- Date:
- Mon Apr 30 17:09:34 2018 +0000
- Revision:
- 4:e20eb5efd859
- Parent:
- 3:7a3ddda464bf
- Child:
- 5:19b34c4d27a1
30.4.2018
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lukas_formanek | 0:ea088908ad26 | 1 | #include "RFM95W.h" |
lukas_formanek | 0:ea088908ad26 | 2 | |
lukas_formanek | 0:ea088908ad26 | 3 | RFM95W rfm; // Globalna instancia |
lukas_formanek | 0:ea088908ad26 | 4 | |
lukas_formanek | 0:ea088908ad26 | 5 | //--------------------------- Callback funkcie --------------------------------- |
lukas_formanek | 0:ea088908ad26 | 6 | void TxDone(void){rfm.OnTxDone();}; |
lukas_formanek | 0:ea088908ad26 | 7 | |
lukas_formanek | 0:ea088908ad26 | 8 | void RxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ){rfm.OnRxDone(payload,size,rssi,snr);}; |
lukas_formanek | 0:ea088908ad26 | 9 | |
lukas_formanek | 0:ea088908ad26 | 10 | void TxTimeout(void){rfm.OnTxTimeout();}; |
lukas_formanek | 0:ea088908ad26 | 11 | |
lukas_formanek | 0:ea088908ad26 | 12 | void RxTimeout(void){rfm.OnRxTimeout();}; |
lukas_formanek | 0:ea088908ad26 | 13 | |
lukas_formanek | 0:ea088908ad26 | 14 | void RxError(void){rfm.OnRxError();}; |
lukas_formanek | 0:ea088908ad26 | 15 | |
lukas_formanek | 0:ea088908ad26 | 16 | void CadDone(bool channelActivityDetected){rfm.OnCadDone(channelActivityDetected);}; |
lukas_formanek | 0:ea088908ad26 | 17 | //------------------------------------------------------------------------------ |
lukas_formanek | 0:ea088908ad26 | 18 | |
lukas_formanek | 0:ea088908ad26 | 19 | RFM95W::RFM95W() |
lukas_formanek | 0:ea088908ad26 | 20 | : radio(NULL), |
lukas_formanek | 3:7a3ddda464bf | 21 | indicationLed(LED_PIN), |
lukas_formanek | 3:7a3ddda464bf | 22 | noise(NOISE_PIN) |
lukas_formanek | 0:ea088908ad26 | 23 | { |
lukas_formanek | 0:ea088908ad26 | 24 | for(uint16_t i=0; i<MAX_DEVICES;i++) |
lukas_formanek | 3:7a3ddda464bf | 25 | messageNumbers[i]=NULL; |
lukas_formanek | 0:ea088908ad26 | 26 | memset(receivedMessage, '\0', sizeof(receivedMessage)); |
lukas_formanek | 0:ea088908ad26 | 27 | ledState = 0; |
lukas_formanek | 0:ea088908ad26 | 28 | timeOnAirSec = 0.3; |
lukas_formanek | 0:ea088908ad26 | 29 | indicationLed = 1; |
lukas_formanek | 3:7a3ddda464bf | 30 | messageNumber = GATEWAY_ID; |
lukas_formanek | 3:7a3ddda464bf | 31 | sendCounter = 0; |
lukas_formanek | 3:7a3ddda464bf | 32 | receivedAck = false; |
lukas_formanek | 0:ea088908ad26 | 33 | }; |
lukas_formanek | 0:ea088908ad26 | 34 | |
lukas_formanek | 0:ea088908ad26 | 35 | void RFM95W::OnLedTick() |
lukas_formanek | 0:ea088908ad26 | 36 | { |
lukas_formanek | 0:ea088908ad26 | 37 | if(ledState<6) { |
lukas_formanek | 0:ea088908ad26 | 38 | indicationLed = !indicationLed; |
lukas_formanek | 0:ea088908ad26 | 39 | } else { |
lukas_formanek | 0:ea088908ad26 | 40 | ledState = 0; |
lukas_formanek | 0:ea088908ad26 | 41 | indicationLed = 1; |
lukas_formanek | 0:ea088908ad26 | 42 | ledTicker.detach(); |
lukas_formanek | 0:ea088908ad26 | 43 | } |
lukas_formanek | 0:ea088908ad26 | 44 | ledState++; |
lukas_formanek | 0:ea088908ad26 | 45 | } |
lukas_formanek | 0:ea088908ad26 | 46 | |
lukas_formanek | 3:7a3ddda464bf | 47 | void RFM95W::SendMessage() |
lukas_formanek | 3:7a3ddda464bf | 48 | { |
lukas_formanek | 3:7a3ddda464bf | 49 | snprintf((char *)ack, 3, "%c%c%c",GATEWAY_ID, sendBuffer[0], messageNumber); |
lukas_formanek | 4:e20eb5efd859 | 50 | radio.Send( sendBuffer, 15 ); // poslem len 10 bajtov |
lukas_formanek | 3:7a3ddda464bf | 51 | } |
lukas_formanek | 3:7a3ddda464bf | 52 | |
lukas_formanek | 0:ea088908ad26 | 53 | void RFM95W::SendAck(uint8_t addr, uint8_t messageNumber) |
lukas_formanek | 0:ea088908ad26 | 54 | { |
lukas_formanek | 0:ea088908ad26 | 55 | uint8_t ack[3]; |
lukas_formanek | 3:7a3ddda464bf | 56 | snprintf((char *)ack, sizeof(ack), "%c%c%c", addr, GATEWAY_ID, messageNumber); |
lukas_formanek | 0:ea088908ad26 | 57 | pc.printf("Sending Ack : %s \r\n",ack); |
lukas_formanek | 0:ea088908ad26 | 58 | radio.Send(ack, 3); |
lukas_formanek | 0:ea088908ad26 | 59 | }; |
lukas_formanek | 0:ea088908ad26 | 60 | |
lukas_formanek | 3:7a3ddda464bf | 61 | float RFM95W::CalculateRandomTime() |
lukas_formanek | 3:7a3ddda464bf | 62 | { |
lukas_formanek | 4:e20eb5efd859 | 63 | uint8_t number = rand() % 1500;; |
lukas_formanek | 4:e20eb5efd859 | 64 | while(number == 0) {number = rand() % 1500;} |
lukas_formanek | 4:e20eb5efd859 | 65 | return (timeOnAirSec * (number / 150.0)); |
lukas_formanek | 3:7a3ddda464bf | 66 | }; |
lukas_formanek | 3:7a3ddda464bf | 67 | |
lukas_formanek | 3:7a3ddda464bf | 68 | void RFM95W::OnCheckAck() |
lukas_formanek | 3:7a3ddda464bf | 69 | { |
lukas_formanek | 3:7a3ddda464bf | 70 | if((receivedAck == false) && (sendCounter < MAX_RESENDS)) |
lukas_formanek | 4:e20eb5efd859 | 71 | sendTicker.attach(callback(this,&RFM95W::OnSendAgain), CalculateRandomTime()); |
lukas_formanek | 4:e20eb5efd859 | 72 | else if((receivedAck == false) && (sendCounter >= MAX_RESENDS)) |
lukas_formanek | 3:7a3ddda464bf | 73 | { |
lukas_formanek | 4:e20eb5efd859 | 74 | messageNumber++; |
lukas_formanek | 4:e20eb5efd859 | 75 | if(messageNumber>255) |
lukas_formanek | 4:e20eb5efd859 | 76 | messageNumber = 0; |
lukas_formanek | 3:7a3ddda464bf | 77 | } |
lukas_formanek | 3:7a3ddda464bf | 78 | ackTicker.detach(); |
lukas_formanek | 3:7a3ddda464bf | 79 | }; |
lukas_formanek | 3:7a3ddda464bf | 80 | |
lukas_formanek | 3:7a3ddda464bf | 81 | void RFM95W::OnSendAgain() |
lukas_formanek | 3:7a3ddda464bf | 82 | { |
lukas_formanek | 4:e20eb5efd859 | 83 | pc.printf("On send again \r\n"); |
lukas_formanek | 3:7a3ddda464bf | 84 | SendMessage(); |
lukas_formanek | 3:7a3ddda464bf | 85 | sendCounter++; |
lukas_formanek | 3:7a3ddda464bf | 86 | sendTicker.detach(); |
lukas_formanek | 3:7a3ddda464bf | 87 | }; |
lukas_formanek | 3:7a3ddda464bf | 88 | |
lukas_formanek | 0:ea088908ad26 | 89 | void RFM95W::OnTxDone( void ) |
lukas_formanek | 0:ea088908ad26 | 90 | { |
lukas_formanek | 0:ea088908ad26 | 91 | radio.Sleep(); |
lukas_formanek | 3:7a3ddda464bf | 92 | if(sendingAck) |
lukas_formanek | 3:7a3ddda464bf | 93 | sendingAck = false; |
lukas_formanek | 3:7a3ddda464bf | 94 | else |
lukas_formanek | 3:7a3ddda464bf | 95 | { |
lukas_formanek | 4:e20eb5efd859 | 96 | pc.printf("OnTxDone !\r\n"); |
lukas_formanek | 3:7a3ddda464bf | 97 | receivedAck = false; |
lukas_formanek | 3:7a3ddda464bf | 98 | ackTicker.attach(callback(this,&RFM95W::OnCheckAck),timeOnAirSec*3); |
lukas_formanek | 3:7a3ddda464bf | 99 | } |
lukas_formanek | 0:ea088908ad26 | 100 | radio.Rx(0); |
lukas_formanek | 0:ea088908ad26 | 101 | }; |
lukas_formanek | 0:ea088908ad26 | 102 | |
lukas_formanek | 0:ea088908ad26 | 103 | void RFM95W::OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ) |
lukas_formanek | 0:ea088908ad26 | 104 | { |
lukas_formanek | 0:ea088908ad26 | 105 | radio.Sleep(); |
lukas_formanek | 3:7a3ddda464bf | 106 | // debug("%d \r\n", payload[0]); |
lukas_formanek | 3:7a3ddda464bf | 107 | if(payload[0] == GATEWAY_ID) { |
lukas_formanek | 3:7a3ddda464bf | 108 | indicationLed=0; |
lukas_formanek | 3:7a3ddda464bf | 109 | ledTicker.attach(callback(this,&RFM95W::OnLedTick), LED_BLIK_PERIOD); |
lukas_formanek | 3:7a3ddda464bf | 110 | if((size == 3) && (strncmp( ( const char* )payload, ( const char* )ack, 3 ) == 0) ) |
lukas_formanek | 3:7a3ddda464bf | 111 | { |
lukas_formanek | 3:7a3ddda464bf | 112 | receivedAck = true; |
lukas_formanek | 3:7a3ddda464bf | 113 | pc.printf("Received Ack : %s \r\n",ack); |
lukas_formanek | 3:7a3ddda464bf | 114 | messageNumber++; |
lukas_formanek | 3:7a3ddda464bf | 115 | if(messageNumber>255) |
lukas_formanek | 3:7a3ddda464bf | 116 | messageNumber = 0; |
lukas_formanek | 3:7a3ddda464bf | 117 | radio.Rx(0); |
lukas_formanek | 3:7a3ddda464bf | 118 | return; |
lukas_formanek | 3:7a3ddda464bf | 119 | } |
lukas_formanek | 3:7a3ddda464bf | 120 | sendingAck = true; |
lukas_formanek | 0:ea088908ad26 | 121 | // moje ID - adresa brany, konverzia na cislo |
lukas_formanek | 3:7a3ddda464bf | 122 | uint8_t msgFrom = payload[1]; // konverzia na cislo |
lukas_formanek | 3:7a3ddda464bf | 123 | SendAck(msgFrom,payload[2]); |
lukas_formanek | 3:7a3ddda464bf | 124 | pc.printf("MSG from : %c , message number received= %d \r\n",msgFrom,payload[2]); |
lukas_formanek | 3:7a3ddda464bf | 125 | if(payload[2] == messageNumbers[msgFrom]) |
lukas_formanek | 0:ea088908ad26 | 126 | { |
lukas_formanek | 0:ea088908ad26 | 127 | pc.printf("--------------------- Ta ista sprava -------------------- \r\n"); |
lukas_formanek | 3:7a3ddda464bf | 128 | // radio.Rx(0); |
lukas_formanek | 0:ea088908ad26 | 129 | return; |
lukas_formanek | 0:ea088908ad26 | 130 | } |
lukas_formanek | 3:7a3ddda464bf | 131 | messageNumbers[msgFrom] = payload[2]; |
lukas_formanek | 0:ea088908ad26 | 132 | payload[2] = 48; // ASCII hodnota cisla 0 |
lukas_formanek | 3:7a3ddda464bf | 133 | // pc.printf("Message number saved= %d \r\n",messageNumbers[MsgFrom]); |
lukas_formanek | 3:7a3ddda464bf | 134 | |
lukas_formanek | 3:7a3ddda464bf | 135 | memmove(payload, payload+4, size - 4 + 1); // orezem prve styri bajty |
lukas_formanek | 3:7a3ddda464bf | 136 | |
lukas_formanek | 3:7a3ddda464bf | 137 | snprintf((char *)receivedMessage, BUFF_SIZE, "%d|%d|%d|%d|%s|\r\n", rssi, snr, GATEWAY_ID, msgFrom, payload); |
lukas_formanek | 0:ea088908ad26 | 138 | wifi.SendMessage((char *)receivedMessage); |
lukas_formanek | 0:ea088908ad26 | 139 | // debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" ); |
lukas_formanek | 3:7a3ddda464bf | 140 | |
lukas_formanek | 0:ea088908ad26 | 141 | return; |
lukas_formanek | 0:ea088908ad26 | 142 | } |
lukas_formanek | 3:7a3ddda464bf | 143 | radio.Rx(0); // som zakomentil :P |
lukas_formanek | 0:ea088908ad26 | 144 | }; |
lukas_formanek | 0:ea088908ad26 | 145 | |
lukas_formanek | 0:ea088908ad26 | 146 | void RFM95W::OnTxTimeout( void ) |
lukas_formanek | 0:ea088908ad26 | 147 | { |
lukas_formanek | 0:ea088908ad26 | 148 | radio.Sleep(); |
lukas_formanek | 0:ea088908ad26 | 149 | Init(); |
lukas_formanek | 3:7a3ddda464bf | 150 | // radio.Rx(0); |
lukas_formanek | 0:ea088908ad26 | 151 | }; |
lukas_formanek | 0:ea088908ad26 | 152 | |
lukas_formanek | 0:ea088908ad26 | 153 | void RFM95W::OnRxTimeout( void ) |
lukas_formanek | 0:ea088908ad26 | 154 | { |
lukas_formanek | 0:ea088908ad26 | 155 | radio.Sleep(); |
lukas_formanek | 0:ea088908ad26 | 156 | radio.Rx(0); |
lukas_formanek | 0:ea088908ad26 | 157 | }; |
lukas_formanek | 0:ea088908ad26 | 158 | |
lukas_formanek | 0:ea088908ad26 | 159 | void RFM95W::OnRxError( void ) |
lukas_formanek | 0:ea088908ad26 | 160 | { |
lukas_formanek | 0:ea088908ad26 | 161 | radio.Sleep(); |
lukas_formanek | 0:ea088908ad26 | 162 | pc.printf("Chyba prijatia ! \r\n"); |
lukas_formanek | 0:ea088908ad26 | 163 | radio.Rx(0); |
lukas_formanek | 0:ea088908ad26 | 164 | }; |
lukas_formanek | 0:ea088908ad26 | 165 | |
lukas_formanek | 0:ea088908ad26 | 166 | void RFM95W::OnCadDone( bool channelActivityDetected ){}; |
lukas_formanek | 0:ea088908ad26 | 167 | |
lukas_formanek | 3:7a3ddda464bf | 168 | void RFM95W::SendValue(uint8_t addr, float value) |
lukas_formanek | 3:7a3ddda464bf | 169 | { |
lukas_formanek | 3:7a3ddda464bf | 170 | snprintf((char *)sendBuffer, BUFF_SIZE, "%c%c%c|%.2f|",addr, GATEWAY_ID, messageNumber, value); |
lukas_formanek | 3:7a3ddda464bf | 171 | sendCounter = 0; |
lukas_formanek | 3:7a3ddda464bf | 172 | receivedAck = false; |
lukas_formanek | 4:e20eb5efd859 | 173 | SendMessage(); |
lukas_formanek | 4:e20eb5efd859 | 174 | }; |
lukas_formanek | 4:e20eb5efd859 | 175 | |
lukas_formanek | 4:e20eb5efd859 | 176 | void RFM95W::SendValue(uint8_t addr, int value) |
lukas_formanek | 4:e20eb5efd859 | 177 | { |
lukas_formanek | 4:e20eb5efd859 | 178 | snprintf((char *)sendBuffer, BUFF_SIZE, "%c%c%c|%d|",addr, GATEWAY_ID, messageNumber, value); |
lukas_formanek | 4:e20eb5efd859 | 179 | sendCounter = 0; |
lukas_formanek | 4:e20eb5efd859 | 180 | receivedAck = false; |
lukas_formanek | 4:e20eb5efd859 | 181 | SendMessage(); |
lukas_formanek | 4:e20eb5efd859 | 182 | }; |
lukas_formanek | 4:e20eb5efd859 | 183 | |
lukas_formanek | 4:e20eb5efd859 | 184 | void RFM95W::SendMessage(char* message) |
lukas_formanek | 4:e20eb5efd859 | 185 | { |
lukas_formanek | 4:e20eb5efd859 | 186 | snprintf((char *)sendBuffer, BUFF_SIZE, "%s", message); |
lukas_formanek | 4:e20eb5efd859 | 187 | sendBuffer[0] = (char)sendBuffer[0]; |
lukas_formanek | 4:e20eb5efd859 | 188 | sendBuffer[1] = (char)GATEWAY_ID; |
lukas_formanek | 4:e20eb5efd859 | 189 | sendBuffer[2] = (char)messageNumber; |
lukas_formanek | 4:e20eb5efd859 | 190 | sendCounter = 0; |
lukas_formanek | 4:e20eb5efd859 | 191 | receivedAck = false; |
lukas_formanek | 4:e20eb5efd859 | 192 | |
lukas_formanek | 4:e20eb5efd859 | 193 | pc.printf("%s",sendBuffer); |
lukas_formanek | 4:e20eb5efd859 | 194 | SendMessage(); |
lukas_formanek | 3:7a3ddda464bf | 195 | }; |
lukas_formanek | 3:7a3ddda464bf | 196 | |
lukas_formanek | 0:ea088908ad26 | 197 | void RFM95W::Init( void ) |
lukas_formanek | 0:ea088908ad26 | 198 | { |
lukas_formanek | 0:ea088908ad26 | 199 | pc.printf( "\n\n\r------- RFM95W GATEWAY -------\n\r" ); |
lukas_formanek | 0:ea088908ad26 | 200 | // Initialize Radio driver |
lukas_formanek | 0:ea088908ad26 | 201 | radioEvents.TxDone = TxDone; |
lukas_formanek | 0:ea088908ad26 | 202 | radioEvents.RxDone = RxDone; |
lukas_formanek | 0:ea088908ad26 | 203 | radioEvents.RxError = RxError; |
lukas_formanek | 0:ea088908ad26 | 204 | radioEvents.TxTimeout = TxTimeout; |
lukas_formanek | 0:ea088908ad26 | 205 | radioEvents.RxTimeout = RxTimeout; |
lukas_formanek | 0:ea088908ad26 | 206 | radioEvents.CadDone = CadDone; |
lukas_formanek | 0:ea088908ad26 | 207 | radio.Init( &radioEvents ); |
lukas_formanek | 0:ea088908ad26 | 208 | // verify the connection with the board |
lukas_formanek | 0:ea088908ad26 | 209 | while( radio.Read( REG_VERSION ) == 0x00 ) { |
lukas_formanek | 0:ea088908ad26 | 210 | pc.printf( "Radiovy modul nie je pripojeny!\n\r", NULL ); |
lukas_formanek | 0:ea088908ad26 | 211 | wait(1); |
lukas_formanek | 0:ea088908ad26 | 212 | } |
lukas_formanek | 0:ea088908ad26 | 213 | |
lukas_formanek | 0:ea088908ad26 | 214 | // debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1LAS ) ) , "\n\r > TYP: RFM95W < \n\r" ); |
lukas_formanek | 0:ea088908ad26 | 215 | // debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1MAS ) ) , "\n\r > TYP: RFM95W < \n\r" ); |
lukas_formanek | 0:ea088908ad26 | 216 | radio.SetChannel( RF_FREQUENCY ); |
lukas_formanek | 0:ea088908ad26 | 217 | #if USE_MODEM_LORA == 1 |
lukas_formanek | 0:ea088908ad26 | 218 | |
lukas_formanek | 0:ea088908ad26 | 219 | // debug_if( LORA_FHSS_ENABLED, "\n\r > LORA FHSS Mod < \n\n\r"); |
lukas_formanek | 0:ea088908ad26 | 220 | // debug_if( !LORA_FHSS_ENABLED, "\n\r > LORA Mod < \n\n\r"); |
lukas_formanek | 2:0499e1d037a5 | 221 | pc.printf("\n\r > LORA Mod < \n\n\r"); |
lukas_formanek | 0:ea088908ad26 | 222 | radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH, |
lukas_formanek | 0:ea088908ad26 | 223 | LORA_SPREADING_FACTOR, LORA_CODINGRATE, |
lukas_formanek | 0:ea088908ad26 | 224 | LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON, |
lukas_formanek | 0:ea088908ad26 | 225 | LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, |
lukas_formanek | 0:ea088908ad26 | 226 | LORA_IQ_INVERSION_ON, 2000000 ); |
lukas_formanek | 0:ea088908ad26 | 227 | |
lukas_formanek | 0:ea088908ad26 | 228 | radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR, |
lukas_formanek | 0:ea088908ad26 | 229 | LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH, |
lukas_formanek | 0:ea088908ad26 | 230 | LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0, |
lukas_formanek | 0:ea088908ad26 | 231 | LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, |
lukas_formanek | 0:ea088908ad26 | 232 | LORA_IQ_INVERSION_ON, true ); |
lukas_formanek | 0:ea088908ad26 | 233 | |
lukas_formanek | 0:ea088908ad26 | 234 | #elif USE_MODEM_FSK == 1 |
lukas_formanek | 0:ea088908ad26 | 235 | |
lukas_formanek | 2:0499e1d037a5 | 236 | pc.printf("\n\r > FSK Mod < \n\n\r"); |
lukas_formanek | 0:ea088908ad26 | 237 | radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0, |
lukas_formanek | 0:ea088908ad26 | 238 | FSK_DATARATE, 0, |
lukas_formanek | 0:ea088908ad26 | 239 | FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON, |
lukas_formanek | 0:ea088908ad26 | 240 | FSK_CRC_ENABLED, 0, 0, 0, 2000000 ); |
lukas_formanek | 0:ea088908ad26 | 241 | |
lukas_formanek | 0:ea088908ad26 | 242 | radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE, |
lukas_formanek | 0:ea088908ad26 | 243 | 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH, |
lukas_formanek | 0:ea088908ad26 | 244 | 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED, |
lukas_formanek | 0:ea088908ad26 | 245 | 0, 0, false, true ); |
lukas_formanek | 0:ea088908ad26 | 246 | |
lukas_formanek | 0:ea088908ad26 | 247 | #else |
lukas_formanek | 0:ea088908ad26 | 248 | |
lukas_formanek | 0:ea088908ad26 | 249 | #error "Nie je definovany typ modemu." |
lukas_formanek | 0:ea088908ad26 | 250 | |
lukas_formanek | 0:ea088908ad26 | 251 | #endif |
lukas_formanek | 0:ea088908ad26 | 252 | // Konfiguracia pre moznost max. vysielacieho vykonu |
lukas_formanek | 0:ea088908ad26 | 253 | uint8_t paConfig; |
lukas_formanek | 0:ea088908ad26 | 254 | paConfig = radio.Read( REG_PACONFIG ); |
lukas_formanek | 0:ea088908ad26 | 255 | paConfig |= RF_PACONFIG_PASELECT_PABOOST; |
lukas_formanek | 0:ea088908ad26 | 256 | radio.Write( REG_PACONFIG, paConfig ); |
lukas_formanek | 0:ea088908ad26 | 257 | |
lukas_formanek | 0:ea088908ad26 | 258 | pc.printf("________Start aplikacie________\r\n" ); |
lukas_formanek | 2:0499e1d037a5 | 259 | timeOnAirSec = (radio.TimeOnAir( MODEM_LORA, 10)/1000.0); // time on air v ms |
lukas_formanek | 0:ea088908ad26 | 260 | pc.printf( "\n\n\r------- Time on air : %f sec. -------\n\r", timeOnAirSec); |
lukas_formanek | 0:ea088908ad26 | 261 | indicationLed = 1; |
lukas_formanek | 3:7a3ddda464bf | 262 | InitRandom(); |
lukas_formanek | 3:7a3ddda464bf | 263 | messageNumber = rand(); |
lukas_formanek | 0:ea088908ad26 | 264 | radio.Rx(0); |
lukas_formanek | 0:ea088908ad26 | 265 | }; |
lukas_formanek | 0:ea088908ad26 | 266 | |
lukas_formanek | 3:7a3ddda464bf | 267 | void RFM95W::InitRandom() |
lukas_formanek | 3:7a3ddda464bf | 268 | { |
lukas_formanek | 3:7a3ddda464bf | 269 | uint32_t seed; |
lukas_formanek | 3:7a3ddda464bf | 270 | uint8_t loops = 3; |
lukas_formanek | 3:7a3ddda464bf | 271 | for (int i=0; i<(32*loops); i++) { |
lukas_formanek | 3:7a3ddda464bf | 272 | seed ^= noise.read_u16(); |
lukas_formanek | 3:7a3ddda464bf | 273 | if (seed & 1<31) { // shift left and wrap. |
lukas_formanek | 3:7a3ddda464bf | 274 | seed <<= 1; |
lukas_formanek | 3:7a3ddda464bf | 275 | seed |= 1; |
lukas_formanek | 3:7a3ddda464bf | 276 | } else |
lukas_formanek | 3:7a3ddda464bf | 277 | seed <<= 1; |
lukas_formanek | 3:7a3ddda464bf | 278 | } |
lukas_formanek | 3:7a3ddda464bf | 279 | srand(seed); |
lukas_formanek | 3:7a3ddda464bf | 280 | }; |