Diff: board/board.cpp

Revision:

0:69f2e28d12c1

Child:

6:f8194e691dd4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/board/board.cpp	Tue May 17 00:21:55 2016 +0000
@@ -0,0 +1,128 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2015 Semtech
+
+Description: Target board general functions implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+#include "mbed.h"
+#include "board.h"
+
+MoteVersion_t BoardGetVersion( void );
+
+DigitalOut RedLed( PB_1 );     // Active Low
+DigitalOut YellowLed( PB_10 ); // Active Low
+DigitalOut GreenLed( PC_3 );   // Active Low
+DigitalOut UsrLed( PA_5 );     // Active High
+
+
+GPS Gps( PB_6, PB_7, PB_11 ); // Gps(tx, rx, en);
+
+DigitalIn I2cInterrupt( PB_4 );
+I2C I2c(I2C_SDA, I2C_SCL);
+
+MPL3115A2 Mpl3115a2( I2c, I2cInterrupt );
+MMA8451Q Mma8451q(I2c, I2cInterrupt);
+
+DigitalOut Pc7( PC_7 );
+DigitalIn Pc1( PC_1 );
+
+AnalogIn *Battery;
+
+#define AIN_VREF            3.3     // STM32 internal refernce
+#define AIN_VBAT_DIV        2       // Resistor divider
+
+SX1272MB2xAS Radio( NULL );
+
+void BoardInit( void )
+{
+    // Initalize LEDs
+    RedLed = 1;     // Active Low
+    GreenLed = 1;   // Active Low
+    YellowLed = 1; // Active Low
+    UsrLed = 0;     // Active High
+
+    TimerTimeCounterInit( );
+
+    switch( BoardGetVersion( ) )
+    {
+        case MOTE_VERSION_2:
+            Battery = new AnalogIn( PA_0 );
+            Gps.en_invert = true;
+            break;
+        case MOTE_VERSION_3:
+            Battery = new AnalogIn( PA_1 );
+            Gps.en_invert = false;
+            break;
+        default:
+            break;
+    }
+    Gps.init( );
+    Gps.enable( 1 );
+    
+    Mpl3115a2.init( );
+    Mma8451q.orient_detect( );
+}
+
+
+uint8_t BoardGetBatteryLevel( void ) 
+{
+    // Per LoRaWAN spec; 0 = Charging; 1...254 = level, 255 = N/A
+    return ( Battery->read_u16( ) >> 8 ) + ( Battery->read_u16( ) >> 9 );
+}
+
+float BoardGetBatteryVoltage( void ) 
+{
+    return ( Battery->read( ) * AIN_VREF * AIN_VBAT_DIV );
+}
+
+uint32_t BoardGetRandomSeed( void )
+{
+    return ( ( *( uint32_t* )ID1 ) ^ ( *( uint32_t* )ID2 ) ^ ( *( uint32_t* )ID3 ) );
+}
+
+void BoardGetDevEUI( uint8_t *id )
+{
+    uint32_t *pDevEuiHWord = ( uint32_t* )&id[4];
+
+    if( *pDevEuiHWord == 0 )
+    {        
+        *pDevEuiHWord = BoardGetRandomSeed( );
+    }
+    
+}
+
+void BoardGetUniqueId( uint8_t *id )
+{
+    id[7] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 24;
+    id[6] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 16;
+    id[5] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 8;
+    id[4] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) );
+    id[3] = ( ( *( uint32_t* )ID2 ) ) >> 24;
+    id[2] = ( ( *( uint32_t* )ID2 ) ) >> 16;
+    id[1] = ( ( *( uint32_t* )ID2 ) ) >> 8;
+    id[0] = ( ( *( uint32_t* )ID2 ) );
+}
+
+MoteVersion_t BoardGetVersion( void )
+{
+    Pc7 = 1;
+    char first = Pc1;
+    Pc7 = 0;
+    
+    if( first && !Pc1 )
+    {
+        return MOTE_VERSION_2;
+    }
+    else
+    {
+        return MOTE_VERSION_3;
+    }
+}