void SX1276LoRaReset( void )
{
SX1276SetReset( RADIO_RESET_ON );
// Wait 1ms
uint32_t startTick = GET_TICK_COUNT( );
while( ( GET_TICK_COUNT( ) - startTick ) < TICK_RATE_MS( 1 ) );
SX1276SetReset( RADIO_RESET_OFF );
// Wait 6ms
startTick = GET_TICK_COUNT( );
while( ( GET_TICK_COUNT( ) - startTick ) < TICK_RATE_MS( 6 ) );
}
void SX1272FskRxCalibrate( void )
{
uint32_t startTick;
SX1272Write( REG_IMAGECAL, RF_IMAGECAL_AUTOIMAGECAL_OFF |
RF_IMAGECAL_IMAGECAL_START |
RF_IMAGECAL_TEMPTHRESHOLD_10 |
RF_IMAGECAL_TEMPMONITOR_OFF );
// Wait 8ms
startTick = GET_TICK_COUNT( );
while( ( GET_TICK_COUNT( ) - startTick ) < TICK_RATE_MS( 8 ) );
}
int8_t SX1272FskGetRawTemp( void )
{
int8_t temp = 0;
uint8_t previousOpMode;
uint32_t startTick;
// Enable Temperature reading
SX1272Read( REG_IMAGECAL, &SX1272->RegImageCal );
SX1272->RegImageCal = ( SX1272->RegImageCal & RF_IMAGECAL_TEMPMONITOR_MASK ) | RF_IMAGECAL_TEMPMONITOR_ON;
SX1272Write( REG_IMAGECAL, SX1272->RegImageCal );
// save current Op Mode
SX1272Read( REG_OPMODE, &SX1272->RegOpMode );
previousOpMode = SX1272->RegOpMode;
// put device in FSK RxSynth
SX1272->RegOpMode = RF_OPMODE_SYNTHESIZER_RX;
SX1272Write( REG_OPMODE, SX1272->RegOpMode );
// Wait 1ms
startTick = GET_TICK_COUNT( );
while( ( GET_TICK_COUNT( ) - startTick ) < TICK_RATE_MS( 2 ) );
// Disable Temperature reading
SX1272Read( REG_IMAGECAL, &SX1272->RegImageCal );
SX1272->RegImageCal = ( SX1272->RegImageCal & RF_IMAGECAL_TEMPMONITOR_MASK ) | RF_IMAGECAL_TEMPMONITOR_OFF;
SX1272Write( REG_IMAGECAL, SX1272->RegImageCal );
// Read temperature
SX1272Read( REG_TEMP, &SX1272->RegTemp );
temp = SX1272->RegTemp & 0x7F;
if( ( SX1272->RegTemp & 0x80 ) == 0x80 )
{
temp *= -1;
}
// Reload previous Op Mode
SX1272Write( REG_OPMODE, previousOpMode );
return temp;
}
