wayne roberts / sx12xx_hal

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

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?

UserRevisionLine numberNew 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