Hardware Abstraction Layer, permitting any LoRa application to use any LoRa radio chip
Dependents: alarm_slave alarm_master lora_p2p lorawan1v1 ... more
radio chip selection
Radio chip driver is not included, allowing choice of radio device.
If you're using SX1272 or SX1276, then import sx127x driver into your program.
if you're using SX1261 or SX1262, then import sx126x driver into your program.
if you're using SX1280, then import sx1280 driver into your program.
if you're using LR1110, then import LR1110 driver into your program.
If you're using NAmote72 or Murata discovery, then you must import only sx127x driver.
If you're using Type1SJ select target DISCO_L072CZ_LRWAN1
and import sx126x driver into your program.
Pin assigned to arduino LoRa radio shield form-factor
- SX1272 shield.
- SX1276 shield.
- SX126x kit with color touch screen, or sx126x radio-only shield.
- Exceptions with their own pin assignments: NAMote-72 and Murata discovery board.
- TODO: pin assign XDOT.
Diff: TARGET_MOTE_L152RC/radio_mote.cpp
- Revision:
- 0:9c052ff8dd6a
- Child:
- 5:ab124d3842a8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_MOTE_L152RC/radio_mote.cpp Thu Jul 05 17:31:54 2018 -0700 @@ -0,0 +1,126 @@ +#include "radio.h" + +#define RADIO_RESET PC_2 //NorAm_Mote Reset_sx +#define RADIO_MOSI PB_15 //NorAm_Mote SPI2 Mosi +#define RADIO_MISO PB_14 //NorAm_Mote SPI2 Miso +#define RADIO_SCLK PB_13 //NorAm_Mote SPI2 Clk +#define RADIO_NSS PB_12 //NorAm_Mote SPI2 Nss + +#define RADIO_DIO_0 PC_6 //NorAm_Mote DIO0 +#define RADIO_DIO_1 PC_10 //NorAm_Mote DIO1 +#define RADIO_DIO_2 PC_8 //NorAm_Mote DIO2 +#define RADIO_DIO_3 PB_4 //NorAm_Mote DIO3 +#define RADIO_DIO_4 PB_5 //NorAm_Mote DIO4 +#define RADIO_DIO_5 PB_6 //NorAm_Mote DIO5 + +#define RFSW1 PC_4 //NorAm_Mote RFSwitch_CNTR_1 +#define RFSW2 PC_13 //NorAm_Mote RFSwitch_CNTR_2 + +// txpow: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 +const uint8_t PaBTable[20] = { 0, 0, 0, 0, 0, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15 }; + +// txpow: 20 21 22 23 24 25 26 27 28 29 30 +const uint8_t RfoTable[11] = { 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9 }; + +SPI spi(RADIO_MOSI, RADIO_MISO, RADIO_SCLK); // mosi, miso, sclk +// dio0, dio1, nss, spi, rst +SX127x Radio::radio(RADIO_DIO_0, RADIO_DIO_1, RADIO_NSS, spi, RADIO_RESET); // sx1276 arduino shield +SX127x_lora Radio::lora(radio); +SX127x_fsk Radio::fsk(radio); + +DigitalOut rfsw1(RFSW1); +DigitalOut rfsw2(RFSW2); + +InterruptIn Radio::dio0(RADIO_DIO_0); +InterruptIn Radio::dio1(RADIO_DIO_1); + +DigitalOut red(LED1); +DigitalOut yellow(LED3); +#define LED_OFF 1 +#define LED_ON 0 + +void Radio::rfsw_callback() +{ + if (radio.RegOpMode.bits.Mode == RF_OPMODE_TRANSMITTER) { // start of transmission + red = LED_ON; + yellow = LED_OFF; + if (radio.HF) { + if (radio.RegPaConfig.bits.PaSelect) { // if PA_BOOST + rfsw2 = 0; + rfsw1 = 1; + } else { // RFO to power amp + rfsw2 = 1; + rfsw1 = 0; + } + } else { + // todo: sx1276 + } + } else if (radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER || radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER_SINGLE || radio.RegOpMode.bits.Mode == RF_OPMODE_CAD) { // start of reception + red = LED_OFF; + yellow = LED_ON; + if (radio.HF) { + rfsw2 = 1; + rfsw1 = 1; + } else { + // todo: sx1276 + } + } else { // RF switch shutdown + yellow = LED_OFF; + red = LED_OFF; + rfsw2 = 0; + rfsw1 = 0; + } +} + +void +Radio::set_tx_dbm(int8_t dbm) +{ + //int i = dbm; + RegPdsTrim1_t pds_trim; + uint8_t adr; + + radio.RegPaConfig.octet = radio.read_reg(REG_PACONFIG); + + if (dbm < 20) { + radio.RegPaConfig.bits.PaSelect = 1; + if (dbm < 0) + dbm = 0; + radio.RegPaConfig.bits.OutputPower = PaBTable[dbm]; + } else { + radio.RegPaConfig.bits.PaSelect = 0; + if (dbm > 30) + dbm = 30; + radio.RegPaConfig.bits.OutputPower = RfoTable[dbm-20]; + } + + if (radio.type == SX1276) + adr = REG_PDSTRIM1_SX1276; + else + adr = REG_PDSTRIM1_SX1272; + + pds_trim.octet = radio.read_reg(adr); + + if (radio.RegPaConfig.bits.PaSelect) { + /* PABOOST used: +2dbm to +17, or +20 */ + if (dbm == 20) { + dbm -= 3; + pds_trim.bits.prog_txdac = 7; + radio.write_reg(adr, pds_trim.octet); + ocp(150); + } else if (dbm < 18) { + pds_trim.bits.prog_txdac = 5; + radio.write_reg(adr, pds_trim.octet); + ocp(120); + } + } else + ocp(80); + + radio.write_reg(REG_PACONFIG, radio.RegPaConfig.octet); +} // ..set_tx_dbm() + +void Radio::boardInit() +{ + red = LED_OFF; + yellow = LED_OFF; +} +