LoRa gateway to link to Raspberry - Working ok
Fork of SX1276GenericLib by
sx1276/sx1276-hal.cpp
- Committer:
- GregCr
- Date:
- 2014-09-23
- Revision:
- 8:0fe3e0e8007b
- Parent:
- 7:2b555111463f
- Child:
- 11:ce0cdab5137a
File content as of revision 8:0fe3e0e8007b:
/* / _____) _ | | ( (____ _____ ____ _| |_ _____ ____| |__ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| ( 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[] = { { MODEM_FSK , REG_LNA , 0x23 }, { MODEM_FSK , REG_RXCONFIG , 0x1E }, { MODEM_FSK , REG_RSSICONFIG , 0xD2 }, { MODEM_FSK , REG_PREAMBLEDETECT , 0xAA }, { MODEM_FSK , REG_OSC , 0x07 }, { MODEM_FSK , REG_SYNCCONFIG , 0x12 }, { MODEM_FSK , REG_SYNCVALUE1 , 0xC1 }, { MODEM_FSK , REG_SYNCVALUE2 , 0x94 }, { MODEM_FSK , REG_SYNCVALUE3 , 0xC1 }, { MODEM_FSK , REG_PACKETCONFIG1 , 0x98 }, { MODEM_FSK , REG_FIFOTHRESH , 0x8F }, { MODEM_FSK , REG_IMAGECAL , 0x02 }, { MODEM_FSK , REG_DIOMAPPING1 , 0x00 }, { MODEM_FSK , REG_DIOMAPPING2 , 0x30 }, { MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 }, }; SX1276MB1xAS::SX1276MB1xAS( void ( *txDone )( ), void ( *txTimeout ) ( ), void ( *rxDone ) ( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ), void ( *rxTimeout ) ( ), void ( *rxError ) ( ), void ( *fhssChangeChannel ) ( uint8_t channelIndex ), void ( *cadDone ) ( ), 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( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5), antSwitch( antSwitch ), #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) ) fake( A3 ) #elif defined ( TARGET_NUCLEO_L152RE ) fake( D8 ) #else #warning "Check availability of IRQs on your selected board" #endif { Reset( ); RxChainCalibration( ); IoInit( ); SetOpMode( RF_OPMODE_SLEEP ); IoIrqInit( dioIrq ); RadioRegistersInit( ); SetModem( MODEM_FSK ); this->settings.State = IDLE ; } SX1276MB1xAS::SX1276MB1xAS( void ( *txDone )( ), void ( *txTimeout ) ( ), void ( *rxDone ) ( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ), void ( *rxTimeout ) ( ), void ( *rxError ) ( ), void ( *fhssChangeChannel ) ( uint8_t channelIndex ), void ( *cadDone ) ( ) ) #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) ) : SX1276( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, D11, D12, D13, D10, A0, D2, D3, D4, D5, D8, D9 ), antSwitch( A4 ), fake( A3 ) #elif defined ( TARGET_NUCLEO_L152RE ) : SX1276( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, D11, D12, D13, D10, A0, D2, D3, D4, D5, A3, D9 ), // For NUCLEO L152RE dio4 is on port A3 antSwitch( A4 ), fake( D8 ) #else #warning "Check availability of IRQs on your selected board" #endif { Reset( ); boardConnected = UNKNOWN; DetectBoardType( ); RxChainCalibration( ); IoInit( ); SetOpMode( RF_OPMODE_SLEEP ); IoIrqInit( dioIrq ); RadioRegistersInit( ); SetModem( MODEM_FSK ); this->settings.State = 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 ); } 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( 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; } void SX1276MB1xAS::AntSwDeInit( void ) { antSwitch = 0; } void SX1276MB1xAS::SetAntSw( uint8_t rxTx ) { if( this->rxTx == rxTx ) { //no need to go further return; } this->rxTx = rxTx; if( rxTx != 0 ) { antSwitch = 1; } else { antSwitch = 0; } } 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 ); }