8c2393cd
 rcavalie
travail reception...
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/*
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C) 2014 Semtech
Description: -
License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin
*/
#include "sx1276-hal.h"
const RadioRegisters_t SX1276MB1xAS::RadioRegsInit[] = RADIO_INIT_REGISTERS_VALUE;
SX1276MB1xAS::SX1276MB1xAS( RadioEvents_t *events,
PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset,
PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5,
PinName antSwitch )
: SX1276( events, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5 ),
AntSwitch( antSwitch ),
#if( defined ( TARGET_NUCLEO_L152RE ) )
Fake( D8 )
#else
Fake( A3 )
#endif
{
this->RadioEvents = events;
Reset( );
RxChainCalibration( );
IoInit( );
SetOpMode( RF_OPMODE_SLEEP );
IoIrqInit( dioIrq );
RadioRegistersInit( );
SetModem( MODEM_FSK );
this->settings.State = RF_IDLE ;
}
SX1276MB1xAS::SX1276MB1xAS( RadioEvents_t *events )
#if defined ( TARGET_NUCLEO_L152RE )
: SX1276( events, D11, D12, D13, D10, A0, D2, D3, D4, D5, A3, D9 ), // For NUCLEO L152RE dio4 is on port A3
AntSwitch( A4 ),
Fake( D8 )
#elif defined( TARGET_LPC11U6X )
: SX1276( events, D11, D12, D13, D10, A0, D2, D3, D4, D5, D8, D9 ),
AntSwitch( P0_23 ),
Fake( A3 )
#else
: SX1276( events, D11, D12, D13, D10, A0, D2, D3, D4, D5, D8, D9 ),
AntSwitch( A4 ),
Fake( A3 )
#endif
{
this->RadioEvents = events;
Reset( );
boardConnected = UNKNOWN;
DetectBoardType( );
RxChainCalibration( );
IoInit( );
SetOpMode( RF_OPMODE_SLEEP );
IoIrqInit( dioIrq );
RadioRegistersInit( );
SetModem( MODEM_FSK );
this->settings.State = RF_IDLE ;
}
//-------------------------------------------------------------------------
// Board relative functions
//-------------------------------------------------------------------------
uint8_t SX1276MB1xAS::DetectBoardType( void )
{
if( boardConnected == UNKNOWN )
{
this->AntSwitch.input( );
wait_ms( 1 );
if( this->AntSwitch == 1 )
{
boardConnected = SX1276MB1LAS;
}
else
{
boardConnected = SX1276MB1MAS;
}
this->AntSwitch.output( );
wait_ms( 1 );
}
return ( boardConnected );
}
void SX1276MB1xAS::IoInit( void )
{
AntSwInit( );
SpiInit( );
}
void SX1276MB1xAS::RadioRegistersInit( )
{
uint8_t i = 0;
for( i = 0; i < sizeof( RadioRegsInit ) / sizeof( RadioRegisters_t ); i++ )
{
SetModem( RadioRegsInit[i].Modem );
Write( RadioRegsInit[i].Addr, RadioRegsInit[i].Value );
}
}
void SX1276MB1xAS::SpiInit( void )
{
nss = 1;
spi.format( 8,0 );
uint32_t frequencyToSet = 8000000;
#if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
spi.frequency( frequencyToSet );
#elif( defined ( TARGET_KL25Z ) ) //busclock frequency is halved -> double the spi frequency to compensate
spi.frequency( frequencyToSet * 2 );
#else
#warning "Check the board's SPI frequency"
#endif
wait(0.1);
}
void SX1276MB1xAS::IoIrqInit( DioIrqHandler *irqHandlers )
{
#if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
dio0.mode( PullDown );
dio1.mode( PullDown );
dio2.mode( PullDown );
dio3.mode( PullDown );
dio4.mode( PullDown );
#endif
dio0.rise( mbed::callback( this, static_cast< TriggerMB1xAS > ( irqHandlers[0] ) ) );
dio1.rise( mbed::callback( this, static_cast< TriggerMB1xAS > ( irqHandlers[1] ) ) );
dio2.rise( mbed::callback( this, static_cast< TriggerMB1xAS > ( irqHandlers[2] ) ) );
dio3.rise( mbed::callback( this, static_cast< TriggerMB1xAS > ( irqHandlers[3] ) ) );
dio4.rise( mbed::callback( this, static_cast< TriggerMB1xAS > ( irqHandlers[4] ) ) );
}
void SX1276MB1xAS::IoDeInit( void )
{
//nothing
}
void SX1276MB1xAS::SetRfTxPower( int8_t power )
{
uint8_t paConfig = 0;
uint8_t paDac = 0;
paConfig = Read( REG_PACONFIG );
paDac = Read( REG_PADAC );
paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | GetPaSelect( this->settings.Channel );
paConfig = ( paConfig & RF_PACONFIG_MAX_POWER_MASK ) | 0x70;
if( ( paConfig & RF_PACONFIG_PASELECT_PABOOST ) == RF_PACONFIG_PASELECT_PABOOST )
{
if( power > 17 )
{
paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_ON;
}
else
{
paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_OFF;
}
if( ( paDac & RF_PADAC_20DBM_ON ) == RF_PADAC_20DBM_ON )
{
if( power < 5 )
{
power = 5;
}
if( power > 20 )
{
power = 20;
}
paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 5 ) & 0x0F );
}
else
{
if( power < 2 )
{
power = 2;
}
if( power > 17 )
{
power = 17;
}
paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 2 ) & 0x0F );
}
}
else
{
if( power < -1 )
{
power = -1;
}
if( power > 14 )
{
power = 14;
}
paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power + 1 ) & 0x0F );
}
Write( REG_PACONFIG, paConfig );
Write( REG_PADAC, paDac );
}
uint8_t SX1276MB1xAS::GetPaSelect( uint32_t channel )
{
if( channel > RF_MID_BAND_THRESH )
{
if( boardConnected == SX1276MB1LAS )
{
return RF_PACONFIG_PASELECT_PABOOST;
}
else
{
return RF_PACONFIG_PASELECT_RFO;
}
}
else
{
return RF_PACONFIG_PASELECT_RFO;
}
}
void SX1276MB1xAS::SetAntSwLowPower( bool status )
{
if( isRadioActive != status )
{
isRadioActive = status;
if( status == false )
{
AntSwInit( );
}
else
{
AntSwDeInit( );
}
}
}
void SX1276MB1xAS::AntSwInit( void )
{
this->AntSwitch = 0;
}
void SX1276MB1xAS::AntSwDeInit( void )
{
this->AntSwitch = 0;
}
void SX1276MB1xAS::SetAntSw( uint8_t opMode )
{
switch( opMode )
{
case RFLR_OPMODE_TRANSMITTER:
this->AntSwitch = 1;
break;
case RFLR_OPMODE_RECEIVER:
case RFLR_OPMODE_RECEIVER_SINGLE:
case RFLR_OPMODE_CAD:
this->AntSwitch = 0;
break;
default:
this->AntSwitch = 0;
break;
}
}
bool SX1276MB1xAS::CheckRfFrequency( uint32_t frequency )
{
// Implement check. Currently all frequencies are supported
return true;
}
void SX1276MB1xAS::Reset( void )
{
reset.output( );
reset = 0;
wait_ms( 1 );
reset.input( );
wait_ms( 6 );
}
void SX1276MB1xAS::Write( uint8_t addr, uint8_t data )
{
Write( addr, &data, 1 );
}
uint8_t SX1276MB1xAS::Read( uint8_t addr )
{
uint8_t data;
Read( addr, &data, 1 );
return data;
}
void SX1276MB1xAS::Write( uint8_t addr, uint8_t *buffer, uint8_t size )
{
uint8_t i;
nss = 0;
spi.write( addr | 0x80 );
for( i = 0; i < size; i++ )
{
spi.write( buffer[i] );
}
nss = 1;
}
void SX1276MB1xAS::Read( uint8_t addr, uint8_t *buffer, uint8_t size )
{
uint8_t i;
nss = 0;
spi.write( addr & 0x7F );
for( i = 0; i < size; i++ )
{
buffer[i] = spi.write( 0 );
}
nss = 1;
}
void SX1276MB1xAS::WriteFifo( uint8_t *buffer, uint8_t size )
{
Write( 0, buffer, size );
}
void SX1276MB1xAS::ReadFifo( uint8_t *buffer, uint8_t size )
{
Read( 0, buffer, size );
}
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