1
radio_ff_arduino_sx127x.cpp
- Committer:
- advxolltm
- Date:
- 2022-06-06
- Revision:
- 22:fc88e265f425
- Parent:
- 17:5f34cbe2ac53
File content as of revision 22:fc88e265f425:
/* Only for NUCLEO boards: prevent compiling for MOTE_L152RC and typeABZ discovery */ #if defined(TARGET_FF_ARDUINO) && !defined(TARGET_DISCO_L072CZ_LRWAN1) && !defined(TARGET_MOTE_L152RC) #include "radio.h" #ifdef SX127x_H #include "SPIu.h" SPIu spi(D11, D12, D13); // mosi, miso, sclk // dio0, dio1, nss, spi, rst SX127x Radio::radio( D2, D3, D10, spi, A0); // sx127[62] arduino shield SX127x_lora Radio::lora(radio); SX127x_fsk Radio::fsk(radio); InterruptIn Radio::dio0(D2); InterruptIn Radio::dio1(D3); typedef enum { SHIELD_TYPE_NONE = 0, SHIELD_TYPE_LAS, SHIELD_TYPE_MAS, } shield_type_e; shield_type_e shield_type; #ifdef TARGET_FF_MORPHO DigitalOut pc3(PC_3); // debug RX indication, for nucleo boards #endif /* TARGET_FF_MORPHO */ DigitalInOut rfsw(A4); void Radio::rfsw_callback() { if (radio.RegOpMode.bits.Mode == RF_OPMODE_TRANSMITTER) rfsw = 1; else rfsw = 0; #ifdef TARGET_FF_MORPHO if (radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER || radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER_SINGLE) pc3 = 1; else pc3 = 0; #endif /* TARGET_FF_MORPHO */ } void Radio::set_tx_dbm(int8_t dbm) { RegPdsTrim1_t pds_trim; uint8_t v, adr, pa_test_adr; if (radio.type == SX1276) { adr = REG_PDSTRIM1_SX1276; pa_test_adr = REG_PATEST_SX1276; } else { adr = REG_PDSTRIM1_SX1272; pa_test_adr = REG_PATEST_SX1272; } v = radio.read_reg(pa_test_adr); if (dbm == PA_OFF_DBM) { /* for bench testing: prevent overloading receiving station (very low TX power) */ v &= ~0x20; // turn off pu_regpa_n: disable PA radio.write_reg(pa_test_adr, v); return; } else if ((v & 0x20) == 0) { v |= 0x20; // turn on pu_regpa_n: enable PA radio.write_reg(pa_test_adr, v); } pds_trim.octet = radio.read_reg(adr); if (shield_type == SHIELD_TYPE_LAS) radio.RegPaConfig.bits.PaSelect = 1; else radio.RegPaConfig.bits.PaSelect = 0; if (radio.RegPaConfig.bits.PaSelect) { /* PABOOST used: +2dbm to +17, or +20 */ if (dbm > 17) { if (dbm > 20) dbm = 20; dbm -= 3; pds_trim.bits.prog_txdac = 7; radio.write_reg(adr, pds_trim.octet); ocp(150); } else ocp(120); if (dbm > 1) radio.RegPaConfig.bits.OutputPower = dbm - 2; } else { /* RFO used: -1 to +14dbm */ ocp(80); if (dbm < 15) radio.RegPaConfig.bits.OutputPower = dbm + 1; } radio.write_reg(REG_PACONFIG, radio.RegPaConfig.octet); radio.RegPaConfig.octet = radio.read_reg(REG_PACONFIG); if (radio.RegPaConfig.bits.PaSelect) { dbm = radio.RegPaConfig.bits.OutputPower + pds_trim.bits.prog_txdac - 2; } else { dbm = radio.RegPaConfig.bits.OutputPower - 1; } } void Radio::boardInit() { printf("boardInit sx127x-ff-arduino "); rfsw.input(); if (rfsw.read()) { shield_type = SHIELD_TYPE_LAS; printf("LAS\r\n"); } else { shield_type = SHIELD_TYPE_MAS; printf("MAS\r\n"); } rfsw.output(); } #endif /* ..SX127x_H */ #endif /* ...sx127x shield */