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Updated the code with Class C Lorawan
Dependencies: mbed LoRaWAN-lib
Diff: radio/SX1276Lib/sx1276/sx1276-hal.cpp
- Revision:
- 12:813e9e5f5ff6
diff -r 876331d64e0e -r 813e9e5f5ff6 radio/SX1276Lib/sx1276/sx1276-hal.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/radio/SX1276Lib/sx1276/sx1276-hal.cpp Fri Mar 22 16:24:25 2019 +0000 @@ -0,0 +1,351 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (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; + return RF_PACONFIG_PASELECT_PABOOST; + } + } + else + { + // return RF_PACONFIG_PASELECT_RFO; + return RF_PACONFIG_PASELECT_PABOOST; + } +} + +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 ); +}