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@5:6740f7ed1d00, 2015-10-22 (annotated)

Committer:
WGorniak
Date:
Thu Oct 22 08:01:27 2015 +0000
Revision:
5:6740f7ed1d00
Parent:
2:b0a793d995ad
Child:
9:f53b11725565
Child:
10:070cb8f0f54a
fixed bug: antSwitch should be set as output

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 5:6740f7ed1d00 18 #define TX_STATE 1
WGorniak 5:6740f7ed1d00 19
WGorniak 1:51fd7a5843e5 20 const RadioRegisters_t SX1272BRD::RadioRegsInit[] =
WGorniak 0:669f3b0e91c8 21 {
WGorniak 0:669f3b0e91c8 22 { MODEM_FSK , REG_LNA , 0x23 },
WGorniak 0:669f3b0e91c8 23 { MODEM_FSK , REG_RXCONFIG , 0x1E },
WGorniak 0:669f3b0e91c8 24 { MODEM_FSK , REG_RSSICONFIG , 0xD2 },
WGorniak 0:669f3b0e91c8 25 { MODEM_FSK , REG_PREAMBLEDETECT , 0xAA },
WGorniak 0:669f3b0e91c8 26 { MODEM_FSK , REG_OSC , 0x07 },
WGorniak 0:669f3b0e91c8 27 { MODEM_FSK , REG_SYNCCONFIG , 0x12 },
WGorniak 0:669f3b0e91c8 28 { MODEM_FSK , REG_SYNCVALUE1 , 0xC1 },
WGorniak 0:669f3b0e91c8 29 { MODEM_FSK , REG_SYNCVALUE2 , 0x94 },
WGorniak 0:669f3b0e91c8 30 { MODEM_FSK , REG_SYNCVALUE3 , 0xC1 },
WGorniak 0:669f3b0e91c8 31 { MODEM_FSK , REG_PACKETCONFIG1 , 0x98 },
WGorniak 0:669f3b0e91c8 32 { MODEM_FSK , REG_FIFOTHRESH , 0x8F },
WGorniak 0:669f3b0e91c8 33 { MODEM_FSK , REG_IMAGECAL , 0x02 },
WGorniak 0:669f3b0e91c8 34 { MODEM_FSK , REG_DIOMAPPING1 , 0x00 },
WGorniak 0:669f3b0e91c8 35 { MODEM_FSK , REG_DIOMAPPING2 , 0x30 },
WGorniak 0:669f3b0e91c8 36 { MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 },
WGorniak 0:669f3b0e91c8 37 };
WGorniak 0:669f3b0e91c8 38
WGorniak 1:51fd7a5843e5 39 SX1272BRD::SX1272BRD( void ( *txDone )( ), void ( *txTimeout ) ( ), void ( *rxDone ) ( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ),
WGorniak 0:669f3b0e91c8 40 void ( *rxTimeout ) ( ), void ( *rxError ) ( ), void ( *fhssChangeChannel ) ( uint8_t channelIndex ), void ( *cadDone ) ( bool ChannelActivityDetected ),
WGorniak 0:669f3b0e91c8 41 PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset,
WGorniak 0:669f3b0e91c8 42 PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5,
WGorniak 0:669f3b0e91c8 43 PinName antSwitch )
WGorniak 0:669f3b0e91c8 44 : SX1272( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5),
WGorniak 0:669f3b0e91c8 45 antSwitch( antSwitch )
WGorniak 0:669f3b0e91c8 46 {
WGorniak 0:669f3b0e91c8 47 Reset( );
WGorniak 0:669f3b0e91c8 48
WGorniak 0:669f3b0e91c8 49 RxChainCalibration( );
WGorniak 0:669f3b0e91c8 50
WGorniak 0:669f3b0e91c8 51 IoInit( );
WGorniak 0:669f3b0e91c8 52
WGorniak 0:669f3b0e91c8 53 SetOpMode( RF_OPMODE_SLEEP );
WGorniak 0:669f3b0e91c8 54
WGorniak 0:669f3b0e91c8 55 IoIrqInit( dioIrq );
WGorniak 0:669f3b0e91c8 56
WGorniak 0:669f3b0e91c8 57 RadioRegistersInit( );
WGorniak 0:669f3b0e91c8 58
WGorniak 0:669f3b0e91c8 59 SetModem( MODEM_FSK );
WGorniak 0:669f3b0e91c8 60
WGorniak 0:669f3b0e91c8 61 this->settings.State = IDLE ;
WGorniak 0:669f3b0e91c8 62 }
WGorniak 0:669f3b0e91c8 63
WGorniak 0:669f3b0e91c8 64
WGorniak 1:51fd7a5843e5 65 SX1272BRD::~SX1272BRD ( )
WGorniak 0:669f3b0e91c8 66 {
WGorniak 0:669f3b0e91c8 67 IoIrqDeInit( );
WGorniak 0:669f3b0e91c8 68 };
WGorniak 0:669f3b0e91c8 69
WGorniak 0:669f3b0e91c8 70 //-------------------------------------------------------------------------
WGorniak 0:669f3b0e91c8 71 // Board relative functions
WGorniak 0:669f3b0e91c8 72 //-------------------------------------------------------------------------
WGorniak 1:51fd7a5843e5 73 void SX1272BRD::IoInit( void )
WGorniak 0:669f3b0e91c8 74 {
WGorniak 0:669f3b0e91c8 75 AntSwInit( );
WGorniak 0:669f3b0e91c8 76 SpiInit( );
WGorniak 0:669f3b0e91c8 77 }
WGorniak 0:669f3b0e91c8 78
WGorniak 1:51fd7a5843e5 79 void SX1272BRD::RadioRegistersInit( ){
WGorniak 0:669f3b0e91c8 80 uint8_t i = 0;
WGorniak 0:669f3b0e91c8 81 for( i = 0; i < sizeof( RadioRegsInit ) / sizeof( RadioRegisters_t ); i++ )
WGorniak 0:669f3b0e91c8 82 {
WGorniak 0:669f3b0e91c8 83 SetModem( RadioRegsInit[i].Modem );
WGorniak 0:669f3b0e91c8 84 Write( RadioRegsInit[i].Addr, RadioRegsInit[i].Value );
WGorniak 0:669f3b0e91c8 85 }
WGorniak 0:669f3b0e91c8 86 }
WGorniak 0:669f3b0e91c8 87
WGorniak 1:51fd7a5843e5 88 void SX1272BRD::SpiInit( void )
WGorniak 0:669f3b0e91c8 89 {
WGorniak 0:669f3b0e91c8 90 nss = 1;
WGorniak 0:669f3b0e91c8 91 spi.format( 8,0 );
WGorniak 0:669f3b0e91c8 92 uint32_t frequencyToSet = 8000000;
WGorniak 0:669f3b0e91c8 93 #if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
WGorniak 0:669f3b0e91c8 94 spi.frequency( frequencyToSet );
WGorniak 0:669f3b0e91c8 95 #elif( defined ( TARGET_KL25Z ) ) //busclock frequency is halved -> double the spi frequency to compensate
WGorniak 0:669f3b0e91c8 96 spi.frequency( frequencyToSet * 2 );
WGorniak 0:669f3b0e91c8 97 #else
WGorniak 0:669f3b0e91c8 98 #warning "Check the board's SPI frequency"
WGorniak 0:669f3b0e91c8 99 #endif
WGorniak 0:669f3b0e91c8 100 wait(0.1);
WGorniak 0:669f3b0e91c8 101 }
WGorniak 0:669f3b0e91c8 102
WGorniak 1:51fd7a5843e5 103 void SX1272BRD::IoIrqInit( DioIrqHandler *irqHandlers )
WGorniak 0:669f3b0e91c8 104 {
WGorniak 0:669f3b0e91c8 105 #if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
WGorniak 0:669f3b0e91c8 106 dio0.mode(PullDown);
WGorniak 0:669f3b0e91c8 107 dio1.mode(PullDown);
WGorniak 0:669f3b0e91c8 108 dio2.mode(PullDown);
WGorniak 0:669f3b0e91c8 109 dio3.mode(PullDown);
WGorniak 0:669f3b0e91c8 110 dio4.mode(PullDown);
WGorniak 0:669f3b0e91c8 111 #endif
WGorniak 2:b0a793d995ad 112 dio0.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[0] ) );
WGorniak 2:b0a793d995ad 113 dio1.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[1] ) );
WGorniak 2:b0a793d995ad 114 dio2.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[2] ) );
WGorniak 2:b0a793d995ad 115 dio3.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[3] ) );
WGorniak 2:b0a793d995ad 116 dio4.rise( this, static_cast< TriggerSX1272BRD > ( irqHandlers[4] ) );
WGorniak 0:669f3b0e91c8 117 }
WGorniak 0:669f3b0e91c8 118
WGorniak 1:51fd7a5843e5 119 void SX1272BRD::IoIrqDeInit( )
WGorniak 0:669f3b0e91c8 120 {
WGorniak 0:669f3b0e91c8 121 dio0.disable_irq();
WGorniak 0:669f3b0e91c8 122 dio1.disable_irq();
WGorniak 0:669f3b0e91c8 123 dio2.disable_irq();
WGorniak 0:669f3b0e91c8 124 dio3.disable_irq();
WGorniak 0:669f3b0e91c8 125 dio4.disable_irq();
WGorniak 0:669f3b0e91c8 126 }
WGorniak 0:669f3b0e91c8 127
WGorniak 1:51fd7a5843e5 128 void SX1272BRD::IoDeInit( void )
WGorniak 0:669f3b0e91c8 129 {
WGorniak 0:669f3b0e91c8 130 //nothing
WGorniak 0:669f3b0e91c8 131 }
WGorniak 0:669f3b0e91c8 132
WGorniak 1:51fd7a5843e5 133 uint8_t SX1272BRD::GetPaSelect( uint32_t channel )
WGorniak 0:669f3b0e91c8 134 {
WGorniak 0:669f3b0e91c8 135 return RF_PACONFIG_PASELECT_RFO;
WGorniak 0:669f3b0e91c8 136 }
WGorniak 0:669f3b0e91c8 137
WGorniak 1:51fd7a5843e5 138 void SX1272BRD::SetAntSwLowPower( bool status )
WGorniak 0:669f3b0e91c8 139 {
WGorniak 0:669f3b0e91c8 140 if( isRadioActive != status )
WGorniak 0:669f3b0e91c8 141 {
WGorniak 0:669f3b0e91c8 142 isRadioActive = status;
WGorniak 0:669f3b0e91c8 143
WGorniak 0:669f3b0e91c8 144 if( status == false )
WGorniak 0:669f3b0e91c8 145 {
WGorniak 0:669f3b0e91c8 146 AntSwInit( );
WGorniak 0:669f3b0e91c8 147 }
WGorniak 0:669f3b0e91c8 148 else
WGorniak 0:669f3b0e91c8 149 {
WGorniak 0:669f3b0e91c8 150 AntSwDeInit( );
WGorniak 0:669f3b0e91c8 151 }
WGorniak 0:669f3b0e91c8 152 }
WGorniak 0:669f3b0e91c8 153 }
WGorniak 0:669f3b0e91c8 154
WGorniak 5:6740f7ed1d00 155
WGorniak 1:51fd7a5843e5 156 void SX1272BRD::AntSwInit( void )
WGorniak 0:669f3b0e91c8 157 {
WGorniak 5:6740f7ed1d00 158 antSwitch.output();
WGorniak 5:6740f7ed1d00 159 antSwitch = !TX_STATE;
WGorniak 0:669f3b0e91c8 160 }
WGorniak 0:669f3b0e91c8 161
WGorniak 1:51fd7a5843e5 162 void SX1272BRD::AntSwDeInit( void )
WGorniak 0:669f3b0e91c8 163 {
WGorniak 5:6740f7ed1d00 164 antSwitch = !TX_STATE;
WGorniak 0:669f3b0e91c8 165 }
WGorniak 0:669f3b0e91c8 166
WGorniak 1:51fd7a5843e5 167 void SX1272BRD::SetAntSw( uint8_t rxTx )
WGorniak 0:669f3b0e91c8 168 {
WGorniak 5:6740f7ed1d00 169 // if( this->rxTx == rxTx )
WGorniak 5:6740f7ed1d00 170 // {
WGorniak 5:6740f7ed1d00 171 // //no need to go further
WGorniak 5:6740f7ed1d00 172 // return;
WGorniak 5:6740f7ed1d00 173 // }
WGorniak 0:669f3b0e91c8 174
WGorniak 5:6740f7ed1d00 175 // this->rxTx = rxTx;
WGorniak 0:669f3b0e91c8 176
WGorniak 0:669f3b0e91c8 177 if( rxTx != 0 )
WGorniak 0:669f3b0e91c8 178 {
WGorniak 5:6740f7ed1d00 179 antSwitch = TX_STATE;
WGorniak 0:669f3b0e91c8 180 }
WGorniak 0:669f3b0e91c8 181 else
WGorniak 0:669f3b0e91c8 182 {
WGorniak 5:6740f7ed1d00 183 antSwitch = !TX_STATE;
WGorniak 0:669f3b0e91c8 184 }
WGorniak 0:669f3b0e91c8 185 }
WGorniak 0:669f3b0e91c8 186
WGorniak 1:51fd7a5843e5 187 bool SX1272BRD::CheckRfFrequency( uint32_t frequency )
WGorniak 0:669f3b0e91c8 188 {
WGorniak 0:669f3b0e91c8 189 //TODO: Implement check, currently all frequencies are supported
WGorniak 0:669f3b0e91c8 190 return true;
WGorniak 0:669f3b0e91c8 191 }
WGorniak 0:669f3b0e91c8 192
WGorniak 0:669f3b0e91c8 193
WGorniak 1:51fd7a5843e5 194 void SX1272BRD::Reset( void )
WGorniak 0:669f3b0e91c8 195 {
WGorniak 0:669f3b0e91c8 196 reset.output();
WGorniak 0:669f3b0e91c8 197 reset = 1;
WGorniak 0:669f3b0e91c8 198 wait_ms( 1 );
WGorniak 0:669f3b0e91c8 199 reset.input();
WGorniak 0:669f3b0e91c8 200 wait_ms( 6 );
WGorniak 0:669f3b0e91c8 201 }
WGorniak 0:669f3b0e91c8 202
WGorniak 1:51fd7a5843e5 203 void SX1272BRD::Write( uint8_t addr, uint8_t data )
WGorniak 0:669f3b0e91c8 204 {
WGorniak 0:669f3b0e91c8 205 Write( addr, &data, 1 );
WGorniak 0:669f3b0e91c8 206 }
WGorniak 0:669f3b0e91c8 207
WGorniak 1:51fd7a5843e5 208 uint8_t SX1272BRD::Read( uint8_t addr )
WGorniak 0:669f3b0e91c8 209 {
WGorniak 0:669f3b0e91c8 210 uint8_t data;
WGorniak 0:669f3b0e91c8 211 Read( addr, &data, 1 );
WGorniak 0:669f3b0e91c8 212 return data;
WGorniak 0:669f3b0e91c8 213 }
WGorniak 0:669f3b0e91c8 214
WGorniak 1:51fd7a5843e5 215 void SX1272BRD::Write( uint8_t addr, uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 216 {
WGorniak 0:669f3b0e91c8 217 uint8_t i;
WGorniak 0:669f3b0e91c8 218
WGorniak 0:669f3b0e91c8 219 nss = 0;
WGorniak 0:669f3b0e91c8 220 spi.write( addr | 0x80 );
WGorniak 0:669f3b0e91c8 221 for( i = 0; i < size; i++ )
WGorniak 0:669f3b0e91c8 222 {
WGorniak 0:669f3b0e91c8 223 spi.write( buffer[i] );
WGorniak 0:669f3b0e91c8 224 }
WGorniak 0:669f3b0e91c8 225 nss = 1;
WGorniak 0:669f3b0e91c8 226 }
WGorniak 0:669f3b0e91c8 227
WGorniak 1:51fd7a5843e5 228 void SX1272BRD::Read( uint8_t addr, uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 229 {
WGorniak 0:669f3b0e91c8 230 uint8_t i;
WGorniak 0:669f3b0e91c8 231
WGorniak 0:669f3b0e91c8 232 nss = 0;
WGorniak 0:669f3b0e91c8 233 spi.write( addr & 0x7F );
WGorniak 0:669f3b0e91c8 234 for( i = 0; i < size; i++ )
WGorniak 0:669f3b0e91c8 235 {
WGorniak 0:669f3b0e91c8 236 buffer[i] = spi.write( 0 );
WGorniak 0:669f3b0e91c8 237 }
WGorniak 0:669f3b0e91c8 238 nss = 1;
WGorniak 0:669f3b0e91c8 239 }
WGorniak 0:669f3b0e91c8 240
WGorniak 1:51fd7a5843e5 241 void SX1272BRD::WriteFifo( uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 242 {
WGorniak 0:669f3b0e91c8 243 Write( 0, buffer, size );
WGorniak 0:669f3b0e91c8 244 }
WGorniak 0:669f3b0e91c8 245
WGorniak 1:51fd7a5843e5 246 void SX1272BRD::ReadFifo( uint8_t *buffer, uint8_t size )
WGorniak 0:669f3b0e91c8 247 {
WGorniak 0:669f3b0e91c8 248 Read( 0, buffer, size );
WGorniak 0:669f3b0e91c8 249 }