Espotel / SX1272lib-PABOOST-HW-Modification

This library update contains changes according to the HW-modification.

Dependents:   LoRaWAN_Serial_port_driven_and_configurable_ELMO_based_on_TxRx_Template

Fork of SX1272lib by Espotel

Changes compared to original SX1272lib:

HW modification was made to remove RFO-output and replaced with PABOOST-output. PASELECT changed accordingly.

sx1272/sx1272-hal.cpp@2:b0a793d995ad, 2015-09-17 (annotated)

Committer:
WGorniak
Date:
Thu Sep 17 15:26:17 2015 +0200
Revision:
2:b0a793d995ad
Parent:
1:51fd7a5843e5
Child:
5:6740f7ed1d00
cleaning board names

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WGorniak 0:669f3b0e91c8 1 /*
WGorniak 0:669f3b0e91c8 2 / _____) _ | |
WGorniak 0:669f3b0e91c8 3 ( (____ _____ ____ _| |_ _____ ____| |__
WGorniak 0:669f3b0e91c8 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
WGorniak 0:669f3b0e91c8 5 _____) ) ____| | | || |_| ____( (___| | | |
WGorniak 0:669f3b0e91c8 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
WGorniak 0:669f3b0e91c8 7 ( C ) Semtech
WGorniak 0:669f3b0e91c8 8
WGorniak 0:669f3b0e91c8 9 Description: Port of Semtech SX1276 C++ library to support SX1272 chipset performed by Espotel
WGorniak 0:669f3b0e91c8 10
WGorniak 0:669f3b0e91c8 11 License: Revised BSD License, see LICENSE.TXT file include in the project
WGorniak 0:669f3b0e91c8 12
WGorniak 0:669f3b0e91c8 13 Maintainers: www.espotel.com
WGorniak 0:669f3b0e91c8 14
WGorniak 0:669f3b0e91c8 15 */
WGorniak 0:669f3b0e91c8 16 #include "sx1272-hal.h"
WGorniak 0:669f3b0e91c8 17
WGorniak 1:51fd7a5843e5 18 const RadioRegisters_t SX1272BRD::RadioRegsInit[] =
WGorniak 0:669f3b0e91c8 19 {
WGorniak 0:669f3b0e91c8 20 { MODEM_FSK , REG_LNA , 0x23 },
WGorniak 0:669f3b0e91c8 21 { MODEM_FSK , REG_RXCONFIG , 0x1E },
WGorniak 0:669f3b0e91c8 22 { MODEM_FSK , REG_RSSICONFIG , 0xD2 },
WGorniak 0:669f3b0e91c8 23 { MODEM_FSK , REG_PREAMBLEDETECT , 0xAA },
WGorniak 0:669f3b0e91c8 24 { MODEM_FSK , REG_OSC , 0x07 },
WGorniak 0:669f3b0e91c8 25 { MODEM_FSK , REG_SYNCCONFIG , 0x12 },
WGorniak 0:669f3b0e91c8 26 { MODEM_FSK , REG_SYNCVALUE1 , 0xC1 },
WGorniak 0:669f3b0e91c8 27 { MODEM_FSK , REG_SYNCVALUE2 , 0x94 },
WGorniak 0:669f3b0e91c8 28 { MODEM_FSK , REG_SYNCVALUE3 , 0xC1 },
WGorniak 0:669f3b0e91c8 29 { MODEM_FSK , REG_PACKETCONFIG1 , 0x98 },
WGorniak 0:669f3b0e91c8 30 { MODEM_FSK , REG_FIFOTHRESH , 0x8F },
WGorniak 0:669f3b0e91c8 31 { MODEM_FSK , REG_IMAGECAL , 0x02 },
WGorniak 0:669f3b0e91c8 32 { MODEM_FSK , REG_DIOMAPPING1 , 0x00 },
WGorniak 0:669f3b0e91c8 33 { MODEM_FSK , REG_DIOMAPPING2 , 0x30 },
WGorniak 0:669f3b0e91c8 34 { MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 },
WGorniak 0:669f3b0e91c8 35 };
WGorniak 0:669f3b0e91c8 36
WGorniak 1:51fd7a5843e5 37 SX1272BRD::SX1272BRD( void ( *txDone )( ), void ( *txTimeout ) ( ), void ( *rxDone ) ( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ),
WGorniak 0:669f3b0e91c8 38 void ( *rxTimeout ) ( ), void ( *rxError ) ( ), void ( *fhssChangeChannel ) ( uint8_t channelIndex ), void ( *cadDone ) ( bool ChannelActivityDetected ),
WGorniak 0:669f3b0e91c8 39 PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset,
WGorniak 0:669f3b0e91c8 40 PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5,
WGorniak 0:669f3b0e91c8 41 PinName antSwitch )
WGorniak 0:669f3b0e91c8 42 : SX1272( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5),
WGorniak 0:669f3b0e91c8 43 antSwitch( antSwitch )
WGorniak 0:669f3b0e91c8 44 {
WGorniak 0:669f3b0e91c8 45 Reset( );
WGorniak 0:669f3b0e91c8 46
WGorniak 0:669f3b0e91c8 47 RxChainCalibration( );
WGorniak 0:669f3b0e91c8 48
WGorniak 0:669f3b0e91c8 49 IoInit( );
WGorniak 0:669f3b0e91c8 50
WGorniak 0:669f3b0e91c8 51 SetOpMode( RF_OPMODE_SLEEP );
WGorniak 0:669f3b0e91c8 52
WGorniak 0:669f3b0e91c8 53 IoIrqInit( dioIrq );
WGorniak 0:669f3b0e91c8 54
WGorniak 0:669f3b0e91c8 55 RadioRegistersInit( );
WGorniak 0:669f3b0e91c8 56
WGorniak 0:669f3b0e91c8 57 SetModem( MODEM_FSK );
WGorniak 0:669f3b0e91c8 58
WGorniak 0:669f3b0e91c8 59 this->settings.State = IDLE ;
WGorniak 0:669f3b0e91c8 60 }
WGorniak 0:669f3b0e91c8 61
WGorniak 0:669f3b0e91c8 62
WGorniak 1:51fd7a5843e5 63 SX1272BRD::~SX1272BRD ( )
WGorniak 0:669f3b0e91c8 64 {
WGorniak 0:669f3b0e91c8 65 IoIrqDeInit( );
WGorniak 0:669f3b0e91c8 66 };
WGorniak 0:669f3b0e91c8 67
WGorniak 0:669f3b0e91c8 68 //-------------------------------------------------------------------------
WGorniak 0:669f3b0e91c8 69 // Board relative functions
WGorniak 0:669f3b0e91c8 70 //-------------------------------------------------------------------------
WGorniak 1:51fd7a5843e5 71 void SX1272BRD::IoInit( void )
WGorniak 0:669f3b0e91c8 72 {
WGorniak 0:669f3b0e91c8 73 AntSwInit( );
WGorniak 0:669f3b0e91c8 74 SpiInit( );
WGorniak 0:669f3b0e91c8 75 }
WGorniak 0:669f3b0e91c8 76
WGorniak 1:51fd7a5843e5 77 void SX1272BRD::RadioRegistersInit( ){
WGorniak 0:669f3b0e91c8 78 uint8_t i = 0;
WGorniak 0:669f3b0e91c8 79 for( i = 0; i < sizeof( RadioRegsInit ) / sizeof( RadioRegisters_t ); i++ )
WGorniak 0:669f3b0e91c8 80 {
WGorniak 0:669f3b0e91c8 81 SetModem( RadioRegsInit[i].Modem );
WGorniak 0:669f3b0e91c8 82 Write( RadioRegsInit[i].Addr, RadioRegsInit[i].Value );
WGorniak 0:669f3b0e91c8 83 }
WGorniak 0:669f3b0e91c8 84 }
WGorniak 0:669f3b0e91c8 85
WGorniak 1:51fd7a5843e5 86 void SX1272BRD::SpiInit( void )
WGorniak 0:669f3b0e91c8 87 {
WGorniak 0:669f3b0e91c8 88 nss = 1;
WGorniak 0:669f3b0e91c8 89 spi.format( 8,0 );
WGorniak 0:669f3b0e91c8 90 uint32_t frequencyToSet = 8000000;
WGorniak 0:669f3b0e91c8 91 #if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
WGorniak 0:669f3b0e91c8 92 spi.frequency( frequencyToSet );
WGorniak 0:669f3b0e91c8 93 #elif( defined ( TARGET_KL25Z ) ) //busclock frequency is halved -> double the spi frequency to compensate
WGorniak 0:669f3b0e91c8 94 spi.frequency( frequencyToSet * 2 );
WGorniak 0:669f3b0e91c8 95 #else
WGorniak 0:669f3b0e91c8 96 #warning "Check the board's SPI frequency"
WGorniak 0:669f3b0e91c8 97 #endif
WGorniak 0:669f3b0e91c8 98 wait(0.1);
WGorniak 0:669f3b0e91c8 99 }
WGorniak 0:669f3b0e91c8 100
WGorniak 1:51fd7a5843e5 101 void SX1272BRD::IoIrqInit( DioIrqHandler *irqHandlers )
WGorniak 0:669f3b0e91c8 102 {
WGorniak 0:669f3b0e91c8 103 #if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
WGorniak 0:669f3b0e91c8 104 dio0.mode(PullDown);
WGorniak 0:669f3b0e91c8 105 dio1.mode(PullDown);
WGorniak 0:669f3b0e91c8 106 dio2.mode(PullDown);
WGorniak 0:669f3b0e91c8 107 dio3.mode(PullDown);
WGorniak 0:669f3b0e91c8 108 dio4.mode(PullDown);
WGorniak 0:669f3b0e91c8 109 #endif
WGorniak 2:b0a793d995ad 110 dio0.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[0] ) );
WGorniak 2:b0a793d995ad 111 dio1.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[1] ) );
WGorniak 2:b0a793d995ad 112 dio2.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[2] ) );
WGorniak 2:b0a793d995ad 113 dio3.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[3] ) );
WGorniak 2:b0a793d995ad 114 dio4.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[4] ) );
WGorniak 0:669f3b0e91c8 115 }
WGorniak 0:669f3b0e91c8 116
WGorniak 1:51fd7a5843e5 117 void SX1272BRD::IoIrqDeInit( )
WGorniak 0:669f3b0e91c8 118 {
WGorniak 0:669f3b0e91c8 119 dio0.disable_irq();
WGorniak 0:669f3b0e91c8 120 dio1.disable_irq();
WGorniak 0:669f3b0e91c8 121 dio2.disable_irq();
WGorniak 0:669f3b0e91c8 122 dio3.disable_irq();
WGorniak 0:669f3b0e91c8 123 dio4.disable_irq();
WGorniak 0:669f3b0e91c8 124 }
WGorniak 0:669f3b0e91c8 125
WGorniak 1:51fd7a5843e5 126 void SX1272BRD::IoDeInit( void )
WGorniak 0:669f3b0e91c8 127 {
WGorniak 0:669f3b0e91c8 128 //nothing
WGorniak 0:669f3b0e91c8 129 }
WGorniak 0:669f3b0e91c8 130
WGorniak 1:51fd7a5843e5 131 uint8_t SX1272BRD::GetPaSelect( uint32_t channel )
WGorniak 0:669f3b0e91c8 132 {
WGorniak 0:669f3b0e91c8 133 return RF_PACONFIG_PASELECT_RFO;
WGorniak 0:669f3b0e91c8 134 }
WGorniak 0:669f3b0e91c8 135
WGorniak 1:51fd7a5843e5 136 void SX1272BRD::SetAntSwLowPower( bool status )
WGorniak 0:669f3b0e91c8 137 {
WGorniak 0:669f3b0e91c8 138 if( isRadioActive != status )
WGorniak 0:669f3b0e91c8 139 {
WGorniak 0:669f3b0e91c8 140 isRadioActive = status;
WGorniak 0:669f3b0e91c8 141
WGorniak 0:669f3b0e91c8 142 if( status == false )
WGorniak 0:669f3b0e91c8 143 {
WGorniak 0:669f3b0e91c8 144 AntSwInit( );
WGorniak 0:669f3b0e91c8 145 }
WGorniak 0:669f3b0e91c8 146 else
WGorniak 0:669f3b0e91c8 147 {
WGorniak 0:669f3b0e91c8 148 AntSwDeInit( );
WGorniak 0:669f3b0e91c8 149 }
WGorniak 0:669f3b0e91c8 150 }
WGorniak 0:669f3b0e91c8 151 }
WGorniak 0:669f3b0e91c8 152
WGorniak 1:51fd7a5843e5 153 void SX1272BRD::AntSwInit( void )
WGorniak 0:669f3b0e91c8 154 {
WGorniak 0:669f3b0e91c8 155 antSwitch = 0;
WGorniak 0:669f3b0e91c8 156 }
WGorniak 0:669f3b0e91c8 157
WGorniak 1:51fd7a5843e5 158 void SX1272BRD::AntSwDeInit( void )
WGorniak 0:669f3b0e91c8 159 {
WGorniak 0:669f3b0e91c8 160 antSwitch = 0;
WGorniak 0:669f3b0e91c8 161 }
WGorniak 0:669f3b0e91c8 162
WGorniak 1:51fd7a5843e5 163 void SX1272BRD::SetAntSw( uint8_t rxTx )
WGorniak 0:669f3b0e91c8 164 {
WGorniak 0:669f3b0e91c8 165 if( this->rxTx == rxTx )
WGorniak 0:669f3b0e91c8 166 {
WGorniak 0:669f3b0e91c8 167 //no need to go further
WGorniak 0:669f3b0e91c8 168 return;
WGorniak 0:669f3b0e91c8 169 }
WGorniak 0:669f3b0e91c8 170
WGorniak 0:669f3b0e91c8 171 this->rxTx = rxTx;
WGorniak 0:669f3b0e91c8 172
WGorniak 0:669f3b0e91c8 173 if( rxTx != 0 )
WGorniak 0:669f3b0e91c8 174 {
WGorniak 0:669f3b0e91c8 175 antSwitch = 1;
WGorniak 0:669f3b0e91c8 176 }
WGorniak 0:669f3b0e91c8 177 else
WGorniak 0:669f3b0e91c8 178 {
WGorniak 0:669f3b0e91c8 179 antSwitch = 0;
WGorniak 0:669f3b0e91c8 180 }
WGorniak 0:669f3b0e91c8 181 }
WGorniak 0:669f3b0e91c8 182
WGorniak 1:51fd7a5843e5 183 bool SX1272BRD::CheckRfFrequency( uint32_t frequency )
WGorniak 0:669f3b0e91c8 184 {
WGorniak 0:669f3b0e91c8 185 //TODO: Implement check, currently all frequencies are supported
WGorniak 0:669f3b0e91c8 186 return true;
WGorniak 0:669f3b0e91c8 187 }
WGorniak 0:669f3b0e91c8 188
WGorniak 0:669f3b0e91c8 189
WGorniak 1:51fd7a5843e5 190 void SX1272BRD::Reset( void )
WGorniak 0:669f3b0e91c8 191 {
WGorniak 0:669f3b0e91c8 192 reset.output();
WGorniak 0:669f3b0e91c8 193 reset = 1;
WGorniak 0:669f3b0e91c8 194 wait_ms( 1 );
WGorniak 0:669f3b0e91c8 195 reset.input();
WGorniak 0:669f3b0e91c8 196 wait_ms( 6 );
WGorniak 0:669f3b0e91c8 197 }
WGorniak 0:669f3b0e91c8 198
WGorniak 1:51fd7a5843e5 199 void SX1272BRD::Write( uint8_t addr, uint8_t data )
WGorniak 0:669f3b0e91c8 200 {
WGorniak 0:669f3b0e91c8 201 Write( addr, &data, 1 );
WGorniak 0:669f3b0e91c8 202 }
WGorniak 0:669f3b0e91c8 203
WGorniak 1:51fd7a5843e5 204 uint8_t SX1272BRD::Read( uint8_t addr )
WGorniak 0:669f3b0e91c8 205 {
WGorniak 0:669f3b0e91c8 206 uint8_t data;
WGorniak 0:669f3b0e91c8 207 Read( addr, &data, 1 );
WGorniak 0:669f3b0e91c8 208 return data;
WGorniak 0:669f3b0e91c8 209 }
WGorniak 0:669f3b0e91c8 210
WGorniak 1:51fd7a5843e5 211 void SX1272BRD::Write( uint8_t addr, uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 212 {
WGorniak 0:669f3b0e91c8 213 uint8_t i;
WGorniak 0:669f3b0e91c8 214
WGorniak 0:669f3b0e91c8 215 nss = 0;
WGorniak 0:669f3b0e91c8 216 spi.write( addr | 0x80 );
WGorniak 0:669f3b0e91c8 217 for( i = 0; i < size; i++ )
WGorniak 0:669f3b0e91c8 218 {
WGorniak 0:669f3b0e91c8 219 spi.write( buffer[i] );
WGorniak 0:669f3b0e91c8 220 }
WGorniak 0:669f3b0e91c8 221 nss = 1;
WGorniak 0:669f3b0e91c8 222 }
WGorniak 0:669f3b0e91c8 223
WGorniak 1:51fd7a5843e5 224 void SX1272BRD::Read( uint8_t addr, uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 225 {
WGorniak 0:669f3b0e91c8 226 uint8_t i;
WGorniak 0:669f3b0e91c8 227
WGorniak 0:669f3b0e91c8 228 nss = 0;
WGorniak 0:669f3b0e91c8 229 spi.write( addr & 0x7F );
WGorniak 0:669f3b0e91c8 230 for( i = 0; i < size; i++ )
WGorniak 0:669f3b0e91c8 231 {
WGorniak 0:669f3b0e91c8 232 buffer[i] = spi.write( 0 );
WGorniak 0:669f3b0e91c8 233 }
WGorniak 0:669f3b0e91c8 234 nss = 1;
WGorniak 0:669f3b0e91c8 235 }
WGorniak 0:669f3b0e91c8 236
WGorniak 1:51fd7a5843e5 237 void SX1272BRD::WriteFifo( uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 238 {
WGorniak 0:669f3b0e91c8 239 Write( 0, buffer, size );
WGorniak 0:669f3b0e91c8 240 }
WGorniak 0:669f3b0e91c8 241
WGorniak 1:51fd7a5843e5 242 void SX1272BRD::ReadFifo( uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 243 {
WGorniak 0:669f3b0e91c8 244 Read( 0, buffer, size );
WGorniak 0:669f3b0e91c8 245 }