XRange SX1272Lib
Dependents: XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver
Fork of SX1276Lib by
SX1272 LoRa RF module https://www.netblocks.eu/xrange-sx1272-lora-datasheet/
Driver for the SX1272 RF Transceiver.
Diff: sx1272/sx1272-hal.cpp
- Revision:
- 17:a5c9fd1a1ea6
- Parent:
- 15:04374b1c33fa
- Child:
- 18:0d1c09259f20
diff -r d447f8d2d2d6 -r a5c9fd1a1ea6 sx1272/sx1272-hal.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sx1272/sx1272-hal.cpp Sun May 31 12:52:46 2015 +0000 @@ -0,0 +1,242 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + ( C )2014 Semtech + +Description: - + +License: Revised BSD License, see LICENSE.TXT file include in the project + +Maintainers: www.netblocks.eu +SX1272 LoRa RF module : http://www.netblocks.eu/xrange-sx1272-lora-datasheet/ + +*/ +#include "sx1272-hal.h" + +const RadioRegisters_t XRange::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 , 0xD8 }, + { 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 }, + +}; + + +XRange::XRange( 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 ) ( bool ChannelActivityDetected ), + PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset, + PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5, + PinName antSwitch ) + : SX1272( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5), + antSwitch( antSwitch ) +{ + Reset( ); + + IoInit( ); + + SetOpMode( RF_OPMODE_SLEEP ); + + IoIrqInit( dioIrq ); + + RadioRegistersInit( ); + + SetModem( MODEM_FSK ); + + this->settings.State = IDLE ; +} + +XRange::XRange( 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 ) ( bool ChannelActivityDetected ) ) + : SX1272( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, + PB_15 /*MOSI*/, PB_14 /*MISO*/, PB_13 /*SCLK*/, PB_12 /*NSS*/, PB_2 /*RESET*/, + PA_10 /*DIO0*/, PA_9 /*DIO1*/, PC_13 /*DIO2*/, PB_0 /*DIO3*/, PB_1 /*DIO4*/,PB_10 /*DIO5*/ ), + antSwitch( PB_11 ) +{ + Reset( ); + + IoInit( ); + + SetOpMode( RF_OPMODE_SLEEP ); + IoIrqInit( dioIrq ); + + RadioRegistersInit( ); + + SetModem( MODEM_FSK ); + + this->settings.State = IDLE ; +} + + +void XRange::IoInit( void ) +{ + AntSwInit( ); + SpiInit( ); +} + +void XRange::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 XRange::SpiInit( void ) +{ + nss = 1; + spi.format( 8,0 ); + uint32_t frequencyToSet = 8000000; + spi.frequency( frequencyToSet ); + wait(0.1); +} + +void XRange::IoIrqInit( DioIrqHandler *irqHandlers ) +{ + dio0.mode(PullDown); + dio1.mode(PullDown); + dio2.mode(PullDown); + dio3.mode(PullDown); + dio4.mode(PullDown); + dio0.rise( this, static_cast< TriggerXRange > ( irqHandlers[0] ) ); + dio1.rise( this, static_cast< TriggerXRange > ( irqHandlers[1] ) ); + dio2.rise( this, static_cast< TriggerXRange > ( irqHandlers[2] ) ); + dio3.rise( this, static_cast< TriggerXRange > ( irqHandlers[3] ) ); + dio4.rise( this, static_cast< TriggerXRange > ( irqHandlers[4] ) ); +} + +void XRange::IoDeInit( void ) +{ + //nothing +} + +uint8_t XRange::GetPaSelect( uint32_t channel ) +{ + return RF_PACONFIG_PASELECT_PABOOST; +} + +void XRange::SetAntSwLowPower( bool status ) +{ + if( isRadioActive != status ) + { + isRadioActive = status; + + if( status == false ) + { + AntSwInit( ); + } + else + { + AntSwDeInit( ); + } + } +} + +void XRange::AntSwInit( void ) +{ + antSwitch = 0; +} + +void XRange::AntSwDeInit( void ) +{ + antSwitch = 0; +} + +void XRange::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 XRange::CheckRfFrequency( uint32_t frequency ) +{ + //TODO: Implement check, currently all frequencies are supported + return true; +} + + +void XRange::Reset( void ) +{ + reset.output(); + reset = 1; + wait_ms( 1 ); + reset.input(); + wait_ms( 6 ); +} + +void XRange::Write( uint8_t addr, uint8_t data ) +{ + Write( addr, &data, 1 ); +} + +uint8_t XRange::Read( uint8_t addr ) +{ + uint8_t data; + Read( addr, &data, 1 ); + return data; +} + +void XRange::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 XRange::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 XRange::WriteFifo( uint8_t *buffer, uint8_t size ) +{ + Write( 0, buffer, size ); +} + +void XRange::ReadFifo( uint8_t *buffer, uint8_t size ) +{ + Read( 0, buffer, size ); +}