Diff: main.cpp

Revision:

5:1f8829bd11ed

Parent:

4:f83ad3eee79d

Child:

6:fbfc95b5c979

--- a/main.cpp	Sun Sep 13 10:26:09 2015 +0000
+++ b/main.cpp	Sun Sep 13 13:51:32 2015 +0000
@@ -1,205 +1,93 @@
-/* 
- / _____)             _              | |
-( (____  _____ ____ _| |_ _____  ____| |__
- \____ \| ___ |    (_   _) ___ |/ ___)  _ \
- _____) ) ____| | | || |_| ____( (___| | | |
-(______/|_____)_|_|_| \__)_____)\____)_| |_|
-    (C)2015 Semtech
+/* License: Revised BSD License, see LICENSE.TXT, (c)2015 Semtech */
 
-Description: MBED LoRaWAN example application
-
-License: Revised BSD License, see LICENSE.TXT file include in the project
-
-Maintainer: Miguel Luis and Gregory Cristian
-*/
 #include "mbed.h"
-
 #include "lmic.h"
 #include "debug.h"
 
-/*!
- * When set to 1 the application uses the Over-the-Air activation procedure
- * When set to 0 the application uses the Personalization activation procedure
- */
 #define OVER_THE_AIR_ACTIVATION                     0
-
-#if( OVER_THE_AIR_ACTIVATION == 0 )
-
-/*!
- * Defines the network ID when using personalization activation procedure
- */
 #define LORAWAN_NET_ID                              ( uint32_t )0x00000000
-
-/*!
- * Defines the device address when using personalization activation procedure
- */
 #define LORAWAN_DEV_ADDR                            ( uint32_t )0x00001056//0x12345678
-
-#endif
-
-/*!
- * Defines the application data transmission duty cycle
- */
 #define APP_TX_DUTYCYCLE                            5000 // 5 [s] value in ms
 #define APP_TX_DUTYCYCLE_RND                        1000 // 1 [s] value in ms
-
-/*!
- * LoRaWAN Adaptative Data Rate
- */
 #define LORAWAN_ADR_ON                              1
-
-/*!
- * LoRaWAN confirmed messages
- */
 #define LORAWAN_CONFIRMED_MSG_ON                    1
-
-/*!
- * LoRaWAN application port
- */
 #define LORAWAN_APP_PORT                            15
-
-/*!
- * User application data buffer size
- */
-#if ( LORAWAN_CONFIRMED_MSG_ON == 1 )
 #define LORAWAN_APP_DATA_SIZE                       6
 
-#else
-#define LORAWAN_APP_DATA_SIZE                       1
-
-#endif
-
-//////////////////////////////////////////////////
-// CONFIGURATION (FOR APPLICATION CALLBACKS BELOW)
-//////////////////////////////////////////////////
-
-// application router ID (LSBF)
-static const uint8_t AppEui[8] =
-{
+static const uint8_t AppEui[8] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
-// unique device ID (LSBF)
-static const u1_t DevEui[8] =
-{
-//    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF
+static const u1_t DevEui[8] = {
     0xF0, 0x3D, 0x29, 0x10, 0x00, 0x00, 0x10, 0x56
 };
 
-// device-specific AES key (derived from device EUI)
-static const uint8_t DevKey[16] = 
-{
+static const uint8_t DevKey[16] = {
     0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
     0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C
 };
 
-#if( OVER_THE_AIR_ACTIVATION == 0 )
-// network session key
-static uint8_t NwkSKey[] = 
-{ 
-//    0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
-//    0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C
+static uint8_t NwkSKey[] = {
     0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
     0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
 };
 
-// application session key
-static uint8_t ArtSKey[] = 
-{ 
-//    0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
-//    0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C
+static uint8_t ArtSKey[] = {
     0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
     0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
 };
 
-#endif
-
-// LEDs and Frame jobs
 osjob_t rxLedJob;
 osjob_t txLedJob;
 osjob_t sendFrameJob;
 
-// LED state
 static bool AppLedStateOn = false;
 
-//////////////////////////////////////////////////
-// Utility functions
-//////////////////////////////////////////////////
-/*!
- * \brief Computes a random number between min and max
- *
- * \param [IN] min range minimum value
- * \param [IN] max range maximum value
- * \retval random random value in range min..max
- */
-int32_t randr( int32_t min, int32_t max )
-{
-    return ( int32_t )rand( ) % ( max - min + 1 ) + min;
+int32_t randr (int32_t min, int32_t max) {
+    return (int32_t) rand() % (max - min + 1) + min;
+}
+
+void os_getArtEui (uint8_t *buf) {
+    debug_str("os_getArtEui\r\n");
+    memcpy(buf, AppEui, 8);
 }
 
-//////////////////////////////////////////////////
-// APPLICATION CALLBACKS
-//////////////////////////////////////////////////
-
-// provide application router ID (8 bytes, LSBF)
-void os_getArtEui( uint8_t *buf )
-{
-    debug_str("os_getArtEui\r\n");
-    memcpy( buf, AppEui, 8 );
+void os_getDevEui (uint8_t *buf) {
+    debug_str("os_getDevEui\r\n");
+    memcpy(buf, DevEui, 8);
 }
 
-// provide device ID (8 bytes, LSBF)
-void os_getDevEui( uint8_t *buf )
-{
-    debug_str("os_getDevEui\r\n");
-    memcpy( buf, DevEui, 8 );
+void os_getDevKey (uint8_t *buf) {
+    debug_str("os_getDevKey\r\n");
+    memcpy(buf, DevKey, 16);
 }
 
-// provide device key (16 bytes)
-void os_getDevKey( uint8_t *buf )
-{
-    debug_str("os_getDevKey\r\n");
-    memcpy( buf, DevKey, 16 );
-}
-
-//////////////////////////////////////////////////
-// MAIN - INITIALIZATION AND STARTUP
-//////////////////////////////////////////////////
-
-static void onRxLed( osjob_t* j )
-{
+static void onRxLed (osjob_t* j) {
     debug_val("LED2 = ", 0 );
 }
 
-static void onTxLed( osjob_t* j )
-{
+static void onTxLed (osjob_t* j) {
     debug_val("LED1 = ", 0 );
 }
 
-static void prepareTxFrame( void )
-{
+static void prepareTxFrame (void) {
     debug_str("prepareTxFrame\r\n");
     LMIC.frame[0] = AppLedStateOn;
-#if ( LORAWAN_CONFIRMED_MSG_ON == 1 )
     LMIC.frame[1] = LMIC.seqnoDn >> 8;
     LMIC.frame[2] = LMIC.seqnoDn;
     LMIC.frame[3] = LMIC.rssi >> 8;
     LMIC.frame[4] = LMIC.rssi;
     LMIC.frame[5] = LMIC.snr;
-#endif    
 }
 
-void processRxFrame( void )
-{
+void processRxFrame (void) {
     debug_str("processRxFrame\r\n");
-    switch( LMIC.frame[LMIC.dataBeg - 1] ) // Check Rx port number
-    {
+    switch(LMIC.frame[LMIC.dataBeg - 1]) { // Check Rx port number
         case 1: // The application LED can be controlled on port 1 or 2
         case 2:
-            if( LMIC.dataLen == 1 )
-            {
+            if(LMIC.dataLen == 1) {
                 AppLedStateOn = LMIC.frame[LMIC.dataBeg] & 0x01;
-                debug_val( "LED3 = ", AppLedStateOn );
+                debug_val("LED3 = ", AppLedStateOn);
             }
             break;
         default:
@@ -207,79 +95,60 @@
     }
 }
 
-static void onSendFrame( osjob_t* j )
-{
+static void onSendFrame (osjob_t* j) {
     debug_str("onSendFrame\r\n");
-    prepareTxFrame( );
-    LMIC_setTxData2( LORAWAN_APP_PORT, LMIC.frame, LORAWAN_APP_DATA_SIZE, LORAWAN_CONFIRMED_MSG_ON );
+    prepareTxFrame();
+    LMIC_setTxData2(
+        LORAWAN_APP_PORT, 
+        LMIC.frame, 
+        LORAWAN_APP_DATA_SIZE, 
+        LORAWAN_CONFIRMED_MSG_ON);
 
-    // Blink Tx LED
-    debug_val( "LED1 = ", 1 );
-    os_setTimedCallback( &txLedJob, os_getTime( ) + ms2osticks( 25 ), onTxLed );
+//    debug_val("LED1 = ", 1);
+//    os_setTimedCallback(&txLedJob, os_getTime() + ms2osticks(25), onTxLed);
 }
 
-// Initialization job
-static void onInit( osjob_t* j )
-{
+static void onInit (osjob_t* j) {
     debug_str("onInit\r\n");
-    // reset MAC state
-    LMIC_reset( );
-    LMIC_setAdrMode( LORAWAN_ADR_ON );
-    LMIC_setDrTxpow( DR_SF12, 14 );
-
-    // start joining
-#if( OVER_THE_AIR_ACTIVATION != 0 )
-    LMIC_startJoining( );
-#else
-    LMIC_setSession( LORAWAN_NET_ID, LORAWAN_DEV_ADDR, NwkSKey, ArtSKey );
-    onSendFrame( NULL );
-#endif
-    // init done - onEvent( ) callback will be invoked...
+    LMIC_reset(); // reset MAC state
+    LMIC_setAdrMode(LORAWAN_ADR_ON);
+    LMIC_setDrTxpow(DR_SF12, 14);
+    LMIC_setSession(
+        LORAWAN_NET_ID, 
+        LORAWAN_DEV_ADDR, 
+        NwkSKey, 
+        ArtSKey);
+    onSendFrame(NULL);
+    // onEvent() callback will be invoked...
 }
 
-int main( void )
-{
+int main(void) {
     debug_str("main\r\n");
     osjob_t initjob;
-
-    // initialize runtime env
-    os_init( );
-    // setup initial job
-    os_setCallback( &initjob, onInit );
-    // execute scheduled jobs and events
-    os_runloop( );
-    // (not reached)
+    os_init();
+    os_setCallback(&initjob, onInit);
+    os_runloop(); // blocking
 }
 
-//////////////////////////////////////////////////
-// LMIC EVENT CALLBACK
-//////////////////////////////////////////////////
-void onEvent( ev_t ev )
-{
+void onEvent (ev_t ev) {
     debug_str("onEvent\r\n");
     bool txOn = false;
-    debug_event( ev );
+    debug_event(ev);
 
-    switch( ev ) 
-    {
-    // network joined, session established
-    case EV_JOINED:
-        debug_val( "Net ID = ", LMIC.netid );
+    switch(ev) {
+    case EV_JOINED: // network joined, session established
+        debug_val("Net ID = ", LMIC.netid);
         txOn = true;
         break;
-    // scheduled data sent (optionally data received)
-    case EV_TXCOMPLETE:
-        debug_val( "Datarate = ", LMIC.datarate );
+    case EV_TXCOMPLETE: // scheduled data sent (optionally data received)
+        debug_val("Datarate = ", LMIC.datarate);
         // Check if we have a downlink on either Rx1 or Rx2 windows
-        if( ( LMIC.txrxFlags & ( TXRX_DNW1 | TXRX_DNW2 ) ) != 0 )
-        {
-            debug_val( "LED2 = ", 1 );
-            os_setTimedCallback( &rxLedJob, os_getTime( ) + ms2osticks( 25 ), onRxLed );
-
-            if( LMIC.dataLen != 0 )
-            { // data received in rx slot after tx
-                debug_buf( LMIC.frame + LMIC.dataBeg, LMIC.dataLen );
-                processRxFrame( );
+        if ((LMIC.txrxFlags & (TXRX_DNW1 | TXRX_DNW2)) != 0) {
+            debug_val("LED2 = ", 1);
+            os_setTimedCallback(&rxLedJob, os_getTime() + ms2osticks(25), onRxLed);
+            if (LMIC.dataLen != 0) { // data received in rx slot after tx
+                debug_buf(LMIC.frame + LMIC.dataBeg, LMIC.dataLen);
+                processRxFrame();
             }
         }
         txOn = true;
@@ -287,14 +156,10 @@
     default:
         break;
     }
-    if( txOn == true )
-    {
-        //Sends frame every APP_TX_DUTYCYCLE +/- APP_TX_DUTYCYCLE_RND random time (if not duty cycle limited)
-        os_setTimedCallback( &sendFrameJob,
-                             os_getTime( ) + ms2osticks( APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND ) ),
-                             onSendFrame );
-        
-        ////Sends frame as soon as possible (duty cylce limitations)
-        //onSendFrame( NULL );
+    if (txOn == true) {
+        os_setTimedCallback(
+            &sendFrameJob,
+            os_getTime() + ms2osticks(APP_TX_DUTYCYCLE + randr(-APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND)),
+            onSendFrame);
     }
 }