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.
radio_ff_arduino_sx127x.cpp@0:9c052ff8dd6a, 2018-07-05 (annotated)
- Committer:
- Wayne Roberts
- Date:
- Thu Jul 05 17:31:54 2018 -0700
- Revision:
- 0:9c052ff8dd6a
- Child:
- 5:ab124d3842a8
initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Wayne Roberts |
0:9c052ff8dd6a | 1 | /* Only for NUCLEO boards: prevent compiling for MOTE_L152RC and typeABZ discovery */ |
Wayne Roberts |
0:9c052ff8dd6a | 2 | #if defined(TARGET_FF_ARDUINO) && defined(TARGET_FF_MORPHO) && !defined(TARGET_DISCO_L072CZ_LRWAN1) |
Wayne Roberts |
0:9c052ff8dd6a | 3 | #include "radio.h" |
Wayne Roberts |
0:9c052ff8dd6a | 4 | #ifdef SX127x_H |
Wayne Roberts |
0:9c052ff8dd6a | 5 | #include "SPIu.h" |
Wayne Roberts |
0:9c052ff8dd6a | 6 | |
Wayne Roberts |
0:9c052ff8dd6a | 7 | SPIu spi(D11, D12, D13); // mosi, miso, sclk |
Wayne Roberts |
0:9c052ff8dd6a | 8 | // dio0, dio1, nss, spi, rst |
Wayne Roberts |
0:9c052ff8dd6a | 9 | SX127x Radio::radio( D2, D3, D10, spi, A0); // sx127[62] arduino shield |
Wayne Roberts |
0:9c052ff8dd6a | 10 | SX127x_lora Radio::lora(radio); |
Wayne Roberts |
0:9c052ff8dd6a | 11 | SX127x_fsk Radio::fsk(radio); |
Wayne Roberts |
0:9c052ff8dd6a | 12 | |
Wayne Roberts |
0:9c052ff8dd6a | 13 | InterruptIn Radio::dio0(D2); |
Wayne Roberts |
0:9c052ff8dd6a | 14 | InterruptIn Radio::dio1(D3); |
Wayne Roberts |
0:9c052ff8dd6a | 15 | |
Wayne Roberts |
0:9c052ff8dd6a | 16 | typedef enum { |
Wayne Roberts |
0:9c052ff8dd6a | 17 | SHIELD_TYPE_NONE = 0, |
Wayne Roberts |
0:9c052ff8dd6a | 18 | SHIELD_TYPE_LAS, |
Wayne Roberts |
0:9c052ff8dd6a | 19 | SHIELD_TYPE_MAS, |
Wayne Roberts |
0:9c052ff8dd6a | 20 | } shield_type_e; |
Wayne Roberts |
0:9c052ff8dd6a | 21 | shield_type_e shield_type; |
Wayne Roberts |
0:9c052ff8dd6a | 22 | |
Wayne Roberts |
0:9c052ff8dd6a | 23 | #ifdef TARGET_FF_MORPHO |
Wayne Roberts |
0:9c052ff8dd6a | 24 | DigitalOut pc3(PC_3); // debug RX indication, for nucleo boards |
Wayne Roberts |
0:9c052ff8dd6a | 25 | #endif /* TARGET_FF_MORPHO */ |
Wayne Roberts |
0:9c052ff8dd6a | 26 | DigitalInOut rfsw(A4); |
Wayne Roberts |
0:9c052ff8dd6a | 27 | void Radio::rfsw_callback() |
Wayne Roberts |
0:9c052ff8dd6a | 28 | { |
Wayne Roberts |
0:9c052ff8dd6a | 29 | if (radio.RegOpMode.bits.Mode == RF_OPMODE_TRANSMITTER) |
Wayne Roberts |
0:9c052ff8dd6a | 30 | rfsw = 1; |
Wayne Roberts |
0:9c052ff8dd6a | 31 | else |
Wayne Roberts |
0:9c052ff8dd6a | 32 | rfsw = 0; |
Wayne Roberts |
0:9c052ff8dd6a | 33 | |
Wayne Roberts |
0:9c052ff8dd6a | 34 | if (radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER || radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER_SINGLE) |
Wayne Roberts |
0:9c052ff8dd6a | 35 | pc3 = 1; |
Wayne Roberts |
0:9c052ff8dd6a | 36 | else |
Wayne Roberts |
0:9c052ff8dd6a | 37 | pc3 = 0; |
Wayne Roberts |
0:9c052ff8dd6a | 38 | } |
Wayne Roberts |
0:9c052ff8dd6a | 39 | |
Wayne Roberts |
0:9c052ff8dd6a | 40 | void |
Wayne Roberts |
0:9c052ff8dd6a | 41 | Radio::set_tx_dbm(int8_t dbm) |
Wayne Roberts |
0:9c052ff8dd6a | 42 | { |
Wayne Roberts |
0:9c052ff8dd6a | 43 | RegPdsTrim1_t pds_trim; |
Wayne Roberts |
0:9c052ff8dd6a | 44 | uint8_t adr; |
Wayne Roberts |
0:9c052ff8dd6a | 45 | |
Wayne Roberts |
0:9c052ff8dd6a | 46 | if (radio.type == SX1276) |
Wayne Roberts |
0:9c052ff8dd6a | 47 | adr = REG_PDSTRIM1_SX1276; |
Wayne Roberts |
0:9c052ff8dd6a | 48 | else |
Wayne Roberts |
0:9c052ff8dd6a | 49 | adr = REG_PDSTRIM1_SX1272; |
Wayne Roberts |
0:9c052ff8dd6a | 50 | |
Wayne Roberts |
0:9c052ff8dd6a | 51 | pds_trim.octet = radio.read_reg(adr); |
Wayne Roberts |
0:9c052ff8dd6a | 52 | |
Wayne Roberts |
0:9c052ff8dd6a | 53 | if (shield_type == SHIELD_TYPE_LAS) |
Wayne Roberts |
0:9c052ff8dd6a | 54 | radio.RegPaConfig.bits.PaSelect = 1; |
Wayne Roberts |
0:9c052ff8dd6a | 55 | else |
Wayne Roberts |
0:9c052ff8dd6a | 56 | radio.RegPaConfig.bits.PaSelect = 0; |
Wayne Roberts |
0:9c052ff8dd6a | 57 | |
Wayne Roberts |
0:9c052ff8dd6a | 58 | if (radio.RegPaConfig.bits.PaSelect) { |
Wayne Roberts |
0:9c052ff8dd6a | 59 | /* PABOOST used: +2dbm to +17, or +20 */ |
Wayne Roberts |
0:9c052ff8dd6a | 60 | if (dbm > 17) { |
Wayne Roberts |
0:9c052ff8dd6a | 61 | if (dbm > 20) |
Wayne Roberts |
0:9c052ff8dd6a | 62 | dbm = 20; |
Wayne Roberts |
0:9c052ff8dd6a | 63 | dbm -= 3; |
Wayne Roberts |
0:9c052ff8dd6a | 64 | pds_trim.bits.prog_txdac = 7; |
Wayne Roberts |
0:9c052ff8dd6a | 65 | radio.write_reg(adr, pds_trim.octet); |
Wayne Roberts |
0:9c052ff8dd6a | 66 | ocp(150); |
Wayne Roberts |
0:9c052ff8dd6a | 67 | } else |
Wayne Roberts |
0:9c052ff8dd6a | 68 | ocp(120); |
Wayne Roberts |
0:9c052ff8dd6a | 69 | |
Wayne Roberts |
0:9c052ff8dd6a | 70 | if (dbm > 1) |
Wayne Roberts |
0:9c052ff8dd6a | 71 | radio.RegPaConfig.bits.OutputPower = dbm - 2; |
Wayne Roberts |
0:9c052ff8dd6a | 72 | } else { |
Wayne Roberts |
0:9c052ff8dd6a | 73 | /* RFO used: -1 to +14dbm */ |
Wayne Roberts |
0:9c052ff8dd6a | 74 | ocp(80); |
Wayne Roberts |
0:9c052ff8dd6a | 75 | if (dbm < 15) |
Wayne Roberts |
0:9c052ff8dd6a | 76 | radio.RegPaConfig.bits.OutputPower = dbm + 1; |
Wayne Roberts |
0:9c052ff8dd6a | 77 | } |
Wayne Roberts |
0:9c052ff8dd6a | 78 | radio.write_reg(REG_PACONFIG, radio.RegPaConfig.octet); |
Wayne Roberts |
0:9c052ff8dd6a | 79 | |
Wayne Roberts |
0:9c052ff8dd6a | 80 | radio.RegPaConfig.octet = radio.read_reg(REG_PACONFIG); |
Wayne Roberts |
0:9c052ff8dd6a | 81 | if (radio.RegPaConfig.bits.PaSelect) { |
Wayne Roberts |
0:9c052ff8dd6a | 82 | dbm = radio.RegPaConfig.bits.OutputPower + pds_trim.bits.prog_txdac - 2; |
Wayne Roberts |
0:9c052ff8dd6a | 83 | } else { |
Wayne Roberts |
0:9c052ff8dd6a | 84 | dbm = radio.RegPaConfig.bits.OutputPower - 1; |
Wayne Roberts |
0:9c052ff8dd6a | 85 | } |
Wayne Roberts |
0:9c052ff8dd6a | 86 | } |
Wayne Roberts |
0:9c052ff8dd6a | 87 | |
Wayne Roberts |
0:9c052ff8dd6a | 88 | void Radio::boardInit() |
Wayne Roberts |
0:9c052ff8dd6a | 89 | { |
Wayne Roberts |
0:9c052ff8dd6a | 90 | printf("boardInit sx127x-ff-arduino "); |
Wayne Roberts |
0:9c052ff8dd6a | 91 | rfsw.input(); |
Wayne Roberts |
0:9c052ff8dd6a | 92 | if (rfsw.read()) { |
Wayne Roberts |
0:9c052ff8dd6a | 93 | shield_type = SHIELD_TYPE_LAS; |
Wayne Roberts |
0:9c052ff8dd6a | 94 | printf("LAS\r\n"); |
Wayne Roberts |
0:9c052ff8dd6a | 95 | } else { |
Wayne Roberts |
0:9c052ff8dd6a | 96 | shield_type = SHIELD_TYPE_MAS; |
Wayne Roberts |
0:9c052ff8dd6a | 97 | printf("MAS\r\n"); |
Wayne Roberts |
0:9c052ff8dd6a | 98 | } |
Wayne Roberts |
0:9c052ff8dd6a | 99 | |
Wayne Roberts |
0:9c052ff8dd6a | 100 | rfsw.output(); |
Wayne Roberts |
0:9c052ff8dd6a | 101 | } |
Wayne Roberts |
0:9c052ff8dd6a | 102 | |
Wayne Roberts |
0:9c052ff8dd6a | 103 | #endif /* ..SX127x_H */ |
Wayne Roberts |
0:9c052ff8dd6a | 104 | #endif /* ...sx127x shield */ |
Wayne Roberts |
0:9c052ff8dd6a | 105 |