Actility / Mbed 2 deprecated LoRaWAN_actility

Fork from LoRa Alliance program. available here: https://developer.mbed.org/users/Alliance/code/LoRaWAN/

Dependencies:   LoRaMacLib SX1276Lib mbed Chainable_RGB_LED DigitDisplay

Fork of LoRaWAN by LoRa All

main.cpp@11:b05c281295a3, 2015-11-06 (annotated)

Committer:
Alliance
Date:
Fri Nov 06 18:13:49 2015 +0000
Revision:
11:b05c281295a3
Parent:
9:36c624bb5d98
Child:
12:d7ac3e3720a5
--  --

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GregCr 0:fc538717c96e 1 /*
GregCr 0:fc538717c96e 2 / _____) _ | |
GregCr 0:fc538717c96e 3 ( (____ _____ ____ _| |_ _____ ____| |__
GregCr 0:fc538717c96e 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
GregCr 0:fc538717c96e 5 _____) ) ____| | | || |_| ____( (___| | | |
GregCr 0:fc538717c96e 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
GregCr 0:fc538717c96e 7 (C)2015 Semtech
GregCr 0:fc538717c96e 8
GregCr 0:fc538717c96e 9 Description: LoRaMac classA device implementation
GregCr 0:fc538717c96e 10
GregCr 0:fc538717c96e 11 License: Revised BSD License, see LICENSE.TXT file include in the project
GregCr 0:fc538717c96e 12
GregCr 0:fc538717c96e 13 Maintainer: Miguel Luis and Gregory Cristian
GregCr 0:fc538717c96e 14 */
GregCr 0:fc538717c96e 15 #include "mbed.h"
GregCr 0:fc538717c96e 16 #include "board.h"
GregCr 0:fc538717c96e 17 #include "LoRaMac.h"
GregCr 0:fc538717c96e 18 #include "utilities.h"
GregCr 0:fc538717c96e 19 #include "DigitDisplay.h"
GregCr 0:fc538717c96e 20 #include "ChainableLED.h"
GregCr 0:fc538717c96e 21
GregCr 0:fc538717c96e 22 /*!
GregCr 0:fc538717c96e 23 * When set to 1 the application uses the Over-the-Air activation procedure
GregCr 0:fc538717c96e 24 * When set to 0 the application uses the Personalization activation procedure
GregCr 0:fc538717c96e 25 */
Alliance 9:36c624bb5d98 26 #define OVER_THE_AIR_ACTIVATION 0
GregCr 0:fc538717c96e 27
GregCr 0:fc538717c96e 28 /*!
GregCr 0:fc538717c96e 29 * Mote device IEEE EUI
GregCr 0:fc538717c96e 30 */
GregCr 0:fc538717c96e 31 static uint8_t DevEui[] =
GregCr 0:fc538717c96e 32 {
Alliance 11:b05c281295a3 33 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /// <<< Change here
GregCr 0:fc538717c96e 34 };
GregCr 0:fc538717c96e 35
GregCr 0:fc538717c96e 36 /*!
Alliance 11:b05c281295a3 37 * Device address
GregCr 0:fc538717c96e 38 */
Alliance 11:b05c281295a3 39 static uint32_t DevAddr = 0x00001091; /// <<< Change here
GregCr 0:fc538717c96e 40
GregCr 0:fc538717c96e 41 /*!
GregCr 0:fc538717c96e 42 * AES encryption/decryption cipher network session key
GregCr 0:fc538717c96e 43 */
GregCr 0:fc538717c96e 44 static uint8_t NwkSKey[] =
GregCr 0:fc538717c96e 45 {
Alliance 11:b05c281295a3 46 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /// <<< Change here
Alliance 4:0c164d628006 47 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
GregCr 0:fc538717c96e 48 };
GregCr 0:fc538717c96e 49
GregCr 0:fc538717c96e 50 /*!
GregCr 0:fc538717c96e 51 * AES encryption/decryption cipher application session key
GregCr 0:fc538717c96e 52 */
GregCr 0:fc538717c96e 53 static uint8_t AppSKey[] =
GregCr 0:fc538717c96e 54 {
Alliance 11:b05c281295a3 55 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /// <<< Change here
Alliance 4:0c164d628006 56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
GregCr 0:fc538717c96e 57 };
GregCr 0:fc538717c96e 58
Alliance 8:d3a75f9efef8 59
GregCr 0:fc538717c96e 60
GregCr 0:fc538717c96e 61
GregCr 0:fc538717c96e 62 /*!
GregCr 0:fc538717c96e 63 * Indicates if the MAC layer has already joined a network.
GregCr 0:fc538717c96e 64 */
GregCr 0:fc538717c96e 65 static bool IsNetworkJoined = false;
GregCr 0:fc538717c96e 66
GregCr 0:fc538717c96e 67 /*!
GregCr 0:fc538717c96e 68 * Defines the application data transmission duty cycle
GregCr 0:fc538717c96e 69 */
Alliance 9:36c624bb5d98 70 #define APP_TX_DUTYCYCLE 20000000 // 20 [s] value in us (minimum 10s)
Alliance 9:36c624bb5d98 71 #define APP_TX_DUTYCYCLE_RND 5000000 // 5 [s] value in us (minimum 3s)
GregCr 0:fc538717c96e 72
GregCr 0:fc538717c96e 73 /*!
GregCr 0:fc538717c96e 74 * User application data buffer size
GregCr 0:fc538717c96e 75 */
Alliance 7:063ff5895cfe 76 #define APP_DATA_SIZE 5
GregCr 0:fc538717c96e 77
GregCr 0:fc538717c96e 78 /*!
GregCr 0:fc538717c96e 79 * User application data
GregCr 0:fc538717c96e 80 */
GregCr 0:fc538717c96e 81 static uint8_t AppData[APP_DATA_SIZE];
GregCr 0:fc538717c96e 82
GregCr 0:fc538717c96e 83 /*!
GregCr 0:fc538717c96e 84 * Defines the application data transmission duty cycle
GregCr 0:fc538717c96e 85 */
GregCr 0:fc538717c96e 86 static uint32_t TxDutyCycleTime;
GregCr 0:fc538717c96e 87
GregCr 0:fc538717c96e 88 Ticker TxNextPacketTimer;
GregCr 0:fc538717c96e 89
GregCr 0:fc538717c96e 90 #if( OVER_THE_AIR_ACTIVATION != 0 )
GregCr 0:fc538717c96e 91
GregCr 0:fc538717c96e 92 /*!
GregCr 0:fc538717c96e 93 * Defines the join request timer
GregCr 0:fc538717c96e 94 */
GregCr 0:fc538717c96e 95 Ticker JoinReqTimer;
GregCr 0:fc538717c96e 96
GregCr 0:fc538717c96e 97 #endif
GregCr 0:fc538717c96e 98
GregCr 0:fc538717c96e 99 /*!
GregCr 0:fc538717c96e 100 * Indicates if a new packet can be sent
GregCr 0:fc538717c96e 101 */
GregCr 0:fc538717c96e 102 static bool TxNextPacket = true;
GregCr 0:fc538717c96e 103 static bool TxDone = false;
GregCr 0:fc538717c96e 104
Alliance 3:db6ad4aa790d 105 static uint8_t AppPort = 3;
GregCr 0:fc538717c96e 106 static uint8_t AppDataSize = APP_DATA_SIZE;
GregCr 0:fc538717c96e 107
GregCr 0:fc538717c96e 108 static LoRaMacEvent_t LoRaMacEvents;
GregCr 0:fc538717c96e 109
Alliance 7:063ff5895cfe 110 static float LightValue = 0.0;
Alliance 7:063ff5895cfe 111 static uint8_t LightMode = 0; // 0:automatic, 1:manual
Alliance 7:063ff5895cfe 112
GregCr 0:fc538717c96e 113 Ticker Led1Timer;
GregCr 0:fc538717c96e 114 Ticker Led2Timer;
Alliance 1:1ef4f6cd800c 115 Ticker BuzTimer;
GregCr 0:fc538717c96e 116
GregCr 0:fc538717c96e 117 #define NUM_LED 3
GregCr 0:fc538717c96e 118
Alliance 3:db6ad4aa790d 119
Alliance 7:063ff5895cfe 120 AnalogIn LightSens( A1 );
Alliance 6:ea71f564e0ce 121 ChainableLED color_led(D6, D7, NUM_LED);
Alliance 6:ea71f564e0ce 122 DigitDisplay display(D8, D9);
GregCr 0:fc538717c96e 123 DigitalOut buzzer(A2);
GregCr 0:fc538717c96e 124
Alliance 3:db6ad4aa790d 125
Alliance 1:1ef4f6cd800c 126 static void OnBuzTimerEvent( void )
Alliance 1:1ef4f6cd800c 127 {
Alliance 1:1ef4f6cd800c 128 buzzer = 0;
Alliance 1:1ef4f6cd800c 129 BuzTimer.detach( );
Alliance 1:1ef4f6cd800c 130 }
GregCr 0:fc538717c96e 131
GregCr 0:fc538717c96e 132 /*!
GregCr 0:fc538717c96e 133 *
GregCr 0:fc538717c96e 134 */
GregCr 0:fc538717c96e 135 static void PrepareTxFrame( uint8_t port )
GregCr 0:fc538717c96e 136 {
Alliance 7:063ff5895cfe 137 uint32_t tempValue = (uint32_t)(LightValue*1000000.0);
Alliance 7:063ff5895cfe 138
Alliance 7:063ff5895cfe 139 debug( "[Tx] LightValue=%d 0x%x\n\r" , tempValue, tempValue);
Alliance 7:063ff5895cfe 140
Alliance 7:063ff5895cfe 141 AppData[0] = LightMode;
Alliance 7:063ff5895cfe 142 AppData[1] = ((tempValue&0xFF000000)>>24)&0xFF;
Alliance 7:063ff5895cfe 143 AppData[2] = ((tempValue&0x00FF0000)>>16)&0xFF;
Alliance 7:063ff5895cfe 144 AppData[3] = ((tempValue&0x0000FF00)>>8)&0xFF;
Alliance 7:063ff5895cfe 145 AppData[4] = (tempValue&0x000000FF);
GregCr 0:fc538717c96e 146 }
GregCr 0:fc538717c96e 147
GregCr 0:fc538717c96e 148 static void ProcessRxFrame( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info )
GregCr 0:fc538717c96e 149 {
Alliance 7:063ff5895cfe 150 debug( "[Rx] Port=%d\n\r" , info->RxPort);
GregCr 0:fc538717c96e 151 switch( info->RxPort ) // Check Rx port number
GregCr 0:fc538717c96e 152 {
GregCr 0:fc538717c96e 153 case 10:
Alliance 4:0c164d628006 154 display.write( 0, info->RxBuffer[0] );
Alliance 1:1ef4f6cd800c 155 display.write( 1, info->RxBuffer[1] );
Alliance 1:1ef4f6cd800c 156 display.write( 2, info->RxBuffer[2] );
Alliance 4:0c164d628006 157 display.write( 3, info->RxBuffer[3] );
GregCr 0:fc538717c96e 158 break;
GregCr 0:fc538717c96e 159
Alliance 1:1ef4f6cd800c 160 case 20:
Alliance 7:063ff5895cfe 161 LightMode = info->RxBuffer[0];
Alliance 7:063ff5895cfe 162 debug( "[Rx] LightMode=%x - R G B= 0x%x 0x%x 0x%x\n\r" , LightMode, info->RxBuffer[1], info->RxBuffer[2], info->RxBuffer[3]);
Alliance 7:063ff5895cfe 163 if( LightMode )
Alliance 7:063ff5895cfe 164 {
Alliance 7:063ff5895cfe 165 color_led.setColorRGB(0, info->RxBuffer[1], info->RxBuffer[2], info->RxBuffer[3] );
Alliance 7:063ff5895cfe 166 }
Alliance 1:1ef4f6cd800c 167 break;
GregCr 0:fc538717c96e 168
Alliance 1:1ef4f6cd800c 169 case 30:
Alliance 1:1ef4f6cd800c 170 BuzTimer.attach_us( &OnBuzTimerEvent, 500000 );
Alliance 1:1ef4f6cd800c 171 buzzer = 1;
GregCr 0:fc538717c96e 172 break;
GregCr 0:fc538717c96e 173
GregCr 0:fc538717c96e 174 default:
GregCr 0:fc538717c96e 175 break;
GregCr 0:fc538717c96e 176 }
GregCr 0:fc538717c96e 177 }
GregCr 0:fc538717c96e 178
GregCr 0:fc538717c96e 179 static bool SendFrame( void )
GregCr 0:fc538717c96e 180 {
GregCr 0:fc538717c96e 181 uint8_t sendFrameStatus = 0;
GregCr 0:fc538717c96e 182
GregCr 0:fc538717c96e 183 sendFrameStatus = LoRaMacSendFrame( AppPort, AppData, AppDataSize );
GregCr 0:fc538717c96e 184 // sendFrameStatus = LoRaMacSendConfirmedFrame( AppPort, AppData, AppDataSize, 8 );
GregCr 0:fc538717c96e 185 switch( sendFrameStatus )
GregCr 0:fc538717c96e 186 {
GregCr 0:fc538717c96e 187 case 5: // NO_FREE_CHANNEL
GregCr 0:fc538717c96e 188 // Try again later
GregCr 0:fc538717c96e 189 return true;
GregCr 0:fc538717c96e 190 default:
GregCr 0:fc538717c96e 191 return false;
GregCr 0:fc538717c96e 192 }
GregCr 0:fc538717c96e 193 }
GregCr 0:fc538717c96e 194
GregCr 0:fc538717c96e 195
GregCr 0:fc538717c96e 196 #if( OVER_THE_AIR_ACTIVATION != 0 )
GregCr 0:fc538717c96e 197 /*!
GregCr 0:fc538717c96e 198 * \brief Function executed on JoinReq Timeout event
GregCr 0:fc538717c96e 199 */
GregCr 0:fc538717c96e 200 static void OnJoinReqTimerEvent( void )
GregCr 0:fc538717c96e 201 {
GregCr 0:fc538717c96e 202 TxNextPacket = true;
Alliance 1:1ef4f6cd800c 203 JoinReqTimer.detach( );
GregCr 0:fc538717c96e 204 }
GregCr 0:fc538717c96e 205 #endif
GregCr 0:fc538717c96e 206
GregCr 0:fc538717c96e 207
GregCr 0:fc538717c96e 208 /*!
GregCr 0:fc538717c96e 209 * \brief Function executed on TxNextPacket Timeout event
GregCr 0:fc538717c96e 210 */
GregCr 0:fc538717c96e 211 static void OnTxNextPacketTimerEvent( void )
Alliance 1:1ef4f6cd800c 212 {
GregCr 0:fc538717c96e 213 TxNextPacket = true;
Alliance 1:1ef4f6cd800c 214 TxNextPacketTimer.detach( );
GregCr 0:fc538717c96e 215 }
GregCr 0:fc538717c96e 216
GregCr 0:fc538717c96e 217
GregCr 0:fc538717c96e 218 /*!
GregCr 0:fc538717c96e 219 * \brief Function to be executed on MAC layer event
GregCr 0:fc538717c96e 220 */
GregCr 0:fc538717c96e 221 static void OnMacEvent( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info )
GregCr 0:fc538717c96e 222 {
GregCr 0:fc538717c96e 223 if( flags->Bits.JoinAccept == 1 )
GregCr 0:fc538717c96e 224 {
GregCr 0:fc538717c96e 225 #if( OVER_THE_AIR_ACTIVATION != 0 )
GregCr 0:fc538717c96e 226 JoinReqTimer.detach( );
GregCr 0:fc538717c96e 227 #endif
GregCr 0:fc538717c96e 228 IsNetworkJoined = true;
GregCr 0:fc538717c96e 229 }
GregCr 0:fc538717c96e 230
GregCr 0:fc538717c96e 231 if( flags->Bits.Tx == 1 )
GregCr 0:fc538717c96e 232 {
GregCr 0:fc538717c96e 233 }
GregCr 0:fc538717c96e 234
GregCr 0:fc538717c96e 235 if( flags->Bits.Rx == 1 )
GregCr 0:fc538717c96e 236 {
GregCr 0:fc538717c96e 237 if( flags->Bits.RxData == true )
GregCr 0:fc538717c96e 238 {
GregCr 0:fc538717c96e 239 ProcessRxFrame( flags, info );
GregCr 0:fc538717c96e 240 }
GregCr 0:fc538717c96e 241 }
GregCr 0:fc538717c96e 242
GregCr 0:fc538717c96e 243 // Schedule a new transmission
GregCr 0:fc538717c96e 244 TxDone = true;
GregCr 0:fc538717c96e 245 }
GregCr 0:fc538717c96e 246
GregCr 0:fc538717c96e 247 /**
GregCr 0:fc538717c96e 248 * Main application entry point.
GregCr 0:fc538717c96e 249 */
GregCr 0:fc538717c96e 250 int main( void )
GregCr 0:fc538717c96e 251 {
GregCr 0:fc538717c96e 252 #if( OVER_THE_AIR_ACTIVATION != 0 )
GregCr 0:fc538717c96e 253 uint8_t sendFrameStatus = 0;
GregCr 0:fc538717c96e 254 #endif
GregCr 0:fc538717c96e 255 bool trySendingFrameAgain = false;
Alliance 7:063ff5895cfe 256 float tempLightValue = 0;
Alliance 7:063ff5895cfe 257
Alliance 7:063ff5895cfe 258 LightMode = 0; // 0: manual, 1: automatic
Alliance 7:063ff5895cfe 259 buzzer = 0; // 0: OFF, 1: ON
Alliance 1:1ef4f6cd800c 260
Alliance 1:1ef4f6cd800c 261 debug( "\n\n\r LoRaWAN Class A Demo code \n\n\r" );
Alliance 1:1ef4f6cd800c 262
GregCr 0:fc538717c96e 263 BoardInitMcu( );
GregCr 0:fc538717c96e 264 BoardInitPeriph( );
GregCr 0:fc538717c96e 265
GregCr 0:fc538717c96e 266 // Initialize LoRaMac device unique ID
Alliance 3:db6ad4aa790d 267 // BoardGetUniqueId( DevEui );
Alliance 3:db6ad4aa790d 268
GregCr 0:fc538717c96e 269 LoRaMacEvents.MacEvent = OnMacEvent;
GregCr 0:fc538717c96e 270 LoRaMacInit( &LoRaMacEvents );
GregCr 0:fc538717c96e 271
GregCr 0:fc538717c96e 272 IsNetworkJoined = false;
GregCr 0:fc538717c96e 273
GregCr 0:fc538717c96e 274 #if( OVER_THE_AIR_ACTIVATION == 0 )
GregCr 0:fc538717c96e 275 // Random seed initialization
GregCr 0:fc538717c96e 276 srand( RAND_SEED );
GregCr 0:fc538717c96e 277 // Choose a random device address
GregCr 0:fc538717c96e 278 // NwkID = 0
GregCr 0:fc538717c96e 279 // NwkAddr rand [0, 33554431]
Alliance 8:d3a75f9efef8 280 if( ( DevAddr == 0 ) || ( DevAddr == 0xFFFFFFFF ) )
Alliance 8:d3a75f9efef8 281 {
Alliance 8:d3a75f9efef8 282 // Generate random DevAddr if it does not exist
Alliance 8:d3a75f9efef8 283 debug("Generate random DevAddr\n\r");
Alliance 8:d3a75f9efef8 284 DevAddr = randr( 0, 0x01FFFFFF );
Alliance 8:d3a75f9efef8 285 }
Alliance 7:063ff5895cfe 286 debug( "- DevAddr = 0x%x\n\r" , DevAddr);
GregCr 0:fc538717c96e 287 LoRaMacInitNwkIds( 0x000000, DevAddr, NwkSKey, AppSKey );
GregCr 0:fc538717c96e 288 IsNetworkJoined = true;
GregCr 0:fc538717c96e 289 #endif
GregCr 0:fc538717c96e 290
GregCr 0:fc538717c96e 291 TxNextPacket = true;
GregCr 0:fc538717c96e 292
Alliance 1:1ef4f6cd800c 293 LoRaMacSetAdrOn( false );
Alliance 1:1ef4f6cd800c 294
Alliance 1:1ef4f6cd800c 295 LoRaMacSetDutyCycleOn( false );
GregCr 0:fc538717c96e 296
GregCr 0:fc538717c96e 297 while( 1 )
GregCr 0:fc538717c96e 298 {
GregCr 0:fc538717c96e 299 while( IsNetworkJoined == false )
GregCr 0:fc538717c96e 300 {
GregCr 0:fc538717c96e 301 #if( OVER_THE_AIR_ACTIVATION != 0 )
GregCr 0:fc538717c96e 302 if( TxNextPacket == true )
GregCr 0:fc538717c96e 303 {
GregCr 0:fc538717c96e 304 TxNextPacket = false;
GregCr 0:fc538717c96e 305
GregCr 0:fc538717c96e 306 sendFrameStatus = LoRaMacJoinReq( DevEui, AppEui, AppKey );
Alliance 3:db6ad4aa790d 307 debug("Req Sent\n\r");
GregCr 0:fc538717c96e 308 switch( sendFrameStatus )
GregCr 0:fc538717c96e 309 {
GregCr 0:fc538717c96e 310 case 1: // BUSY
GregCr 0:fc538717c96e 311 break;
GregCr 0:fc538717c96e 312 case 0: // OK
GregCr 0:fc538717c96e 313 case 2: // NO_NETWORK_JOINED
GregCr 0:fc538717c96e 314 case 3: // LENGTH_PORT_ERROR
GregCr 0:fc538717c96e 315 case 4: // MAC_CMD_ERROR
GregCr 0:fc538717c96e 316 case 6: // DEVICE_OFF
GregCr 0:fc538717c96e 317 default:
GregCr 0:fc538717c96e 318 // Relaunch timer for next trial
GregCr 0:fc538717c96e 319 JoinReqTimer.attach_us( &OnJoinReqTimerEvent, OVER_THE_AIR_ACTIVATION_DUTYCYCLE );
GregCr 0:fc538717c96e 320 break;
GregCr 0:fc538717c96e 321 }
GregCr 0:fc538717c96e 322 }
GregCr 0:fc538717c96e 323 // TimerLowPowerHandler( );
GregCr 0:fc538717c96e 324 #endif
GregCr 0:fc538717c96e 325 }
GregCr 0:fc538717c96e 326
GregCr 0:fc538717c96e 327 if( TxDone == true )
GregCr 0:fc538717c96e 328 {
GregCr 0:fc538717c96e 329
GregCr 0:fc538717c96e 330 TxDone = false;
GregCr 0:fc538717c96e 331
GregCr 0:fc538717c96e 332 debug( "TxDone \n\n\r" );
GregCr 0:fc538717c96e 333 // Schedule next packet transmission
GregCr 0:fc538717c96e 334 TxDutyCycleTime = APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
GregCr 0:fc538717c96e 335 TxNextPacketTimer.attach_us( &OnTxNextPacketTimerEvent, TxDutyCycleTime );
GregCr 0:fc538717c96e 336 }
GregCr 0:fc538717c96e 337
GregCr 0:fc538717c96e 338 if( trySendingFrameAgain == true )
GregCr 0:fc538717c96e 339 {
GregCr 0:fc538717c96e 340 trySendingFrameAgain = SendFrame( );
GregCr 0:fc538717c96e 341 }
GregCr 0:fc538717c96e 342
GregCr 0:fc538717c96e 343 if( TxNextPacket == true )
GregCr 0:fc538717c96e 344 {
GregCr 0:fc538717c96e 345 TxNextPacketTimer.detach( );
GregCr 0:fc538717c96e 346
GregCr 0:fc538717c96e 347 TxNextPacket = false;
GregCr 0:fc538717c96e 348
GregCr 0:fc538717c96e 349 PrepareTxFrame( AppPort );
GregCr 0:fc538717c96e 350
GregCr 0:fc538717c96e 351 trySendingFrameAgain = SendFrame( );
GregCr 0:fc538717c96e 352 }
GregCr 0:fc538717c96e 353
Alliance 7:063ff5895cfe 354 // Read light sensor
Alliance 7:063ff5895cfe 355 tempLightValue = LightSens.read( ) * 1.65;
Alliance 7:063ff5895cfe 356
Alliance 7:063ff5895cfe 357 LightValue = ( 1 - tempLightValue );
Alliance 7:063ff5895cfe 358
Alliance 7:063ff5895cfe 359 // Set automatic RGB from light sensor
Alliance 7:063ff5895cfe 360 if( LightMode == 0 )
Alliance 7:063ff5895cfe 361 {
Alliance 7:063ff5895cfe 362 color_led.setColorRGB( 0, ( uint8_t )( 255 * LightValue ), ( uint8_t )( 255 * LightValue ), ( uint8_t )( 255 * LightValue ) );
Alliance 7:063ff5895cfe 363 }
GregCr 0:fc538717c96e 364 // TimerLowPowerHandler( );
GregCr 0:fc538717c96e 365 }
GregCr 0:fc538717c96e 366 }
GregCr 0:fc538717c96e 367