LoRa gateway to link to Raspberry - Working ok
Fork of SX1276GenericLib by
sx1276/sx1276-hal.cpp
- Committer:
- Helmut Tschemernjak
- Date:
- 2017-04-25
- Revision:
- 28:6d83af9f8563
- Parent:
- 26:87796ee62589
- Child:
- 30:d7e36d83ec9d
File content as of revision 28:6d83af9f8563:
/* / _____) _ | | ( (____ _____ ____ _| |_ _____ ____| |__ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| (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, #ifdef MURATA_ANT_SWITCH PinName antSwitch, PinName antSwitchTX, PinName antSwitchTXBoost ) #else PinName antSwitch ) #endif : SX1276( events, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5 ), #ifdef MURATA_ANT_SWITCH antSwitch(antSwitch), antSwitchTX(antSwitchTX), antSwitchTXBoost(antSwitchTXBoost), #else antSwitch( antSwitch ), #endif #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 ), #ifdef MURATA_ANT_SWITCH antSwitch(A4), antSwitchTX(NC), antSwitchTXBoost(NC), #else antSwitch( A4 ), #endif 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 ) { antSwitch.input( ); wait_ms( 1 ); if( antSwitch == 1 ) { boardConnected = SX1276MB1LAS; } else { boardConnected = SX1276MB1MAS; } antSwitch.output( ); wait_ms( 1 ); } #ifdef RFM95_MODULE boardConnected = SX1276MB1LAS; #endif 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 ) || defined(TARGET_STM) ) 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( this, static_cast< TriggerMB1xAS > ( irqHandlers[0] ) ); dio1.rise( this, static_cast< TriggerMB1xAS > ( irqHandlers[1] ) ); dio2.rise( this, static_cast< TriggerMB1xAS > ( irqHandlers[2] ) ); dio3.rise( this, static_cast< TriggerMB1xAS > ( irqHandlers[3] ) ); dio4.rise( this, static_cast< TriggerMB1xAS > ( irqHandlers[4] ) ); } void SX1276MB1xAS::IoDeInit( void ) { //nothing } 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 ) { antSwitch = 0; #ifdef MURATA_ANT_SWITCH antSwitchTX = 0; antSwitchTXBoost = 0; #endif } void SX1276MB1xAS::AntSwDeInit( void ) { antSwitch = 0; #ifdef MURATA_ANT_SWITCH antSwitchTX = 0; antSwitchTXBoost = 0; #endif } void SX1276MB1xAS::SetAntSw( uint8_t rxTx ) { this->rxTx = rxTx; // 1: Tx, 0: Rx if( rxTx != 0 ) { #ifdef MURATA_ANT_SWITCH antSwitch = 0; // RX antSwitchTX = 1; // alternate: antSwitchTXBoost = 1 #else antSwitch = 1; #endif } else { #ifdef MURATA_ANT_SWITCH antSwitch = 1; // RX antSwitchTX = 0; antSwitchTXBoost = 0; #else antSwitch = 0; #endif } } bool SX1276MB1xAS::CheckRfFrequency( uint32_t frequency ) { //TODO: 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 ); }