Ilya Krylov / sx12xx_hal123

1

TARGET_DISCO_L072CZ_LRWAN1/radio_typeABZ.cpp@22:fc88e265f425, 2022-06-06 (annotated)

Committer:
advxolltm
Date:
Mon Jun 06 16:37:12 2022 +0000
Revision:
22:fc88e265f425
Parent:
18:78c5e644d37a 
123

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Wayne Roberts 0:9c052ff8dd6a 1 #include "radio.h"
Wayne Roberts 18:78c5e644d37a 2 #ifdef SX127x_H
Wayne Roberts 0:9c052ff8dd6a 3
Wayne Roberts 0:9c052ff8dd6a 4 #define SSA_BOARD 1
Wayne Roberts 0:9c052ff8dd6a 5
Wayne Roberts 5:ab124d3842a8 6 #include "SPIu.h"
Wayne Roberts 5:ab124d3842a8 7 SPIu spi(PA_7, PA_6, PB_3); // mosi, miso, sclk
Wayne Roberts 0:9c052ff8dd6a 8 // dio0, dio1, nss, spi, rst
Wayne Roberts 0:9c052ff8dd6a 9 SX127x Radio::radio(PB_4, PB_1, PA_15, spi, PC_0); // sx1276 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(PB_4);
Wayne Roberts 0:9c052ff8dd6a 14 InterruptIn Radio::dio1(PB_1);
Wayne Roberts 0:9c052ff8dd6a 15
Wayne Roberts 0:9c052ff8dd6a 16 #define CRF1 PA_1
Wayne Roberts 0:9c052ff8dd6a 17 #define CRF2 PC_2
Wayne Roberts 0:9c052ff8dd6a 18 #define CRF3 PC_1
Wayne Roberts 0:9c052ff8dd6a 19 DigitalOut Vctl1(CRF1);
Wayne Roberts 0:9c052ff8dd6a 20 DigitalOut Vctl2(CRF2);
Wayne Roberts 0:9c052ff8dd6a 21 DigitalOut Vctl3(CRF3);
Wayne Roberts 0:9c052ff8dd6a 22
Wayne Roberts 0:9c052ff8dd6a 23 void Radio::rfsw_callback()
Wayne Roberts 0:9c052ff8dd6a 24 {
Wayne Roberts 0:9c052ff8dd6a 25 if (radio.RegOpMode.bits.Mode == RF_OPMODE_TRANSMITTER) {
Wayne Roberts 0:9c052ff8dd6a 26 Vctl1 = 0;
Wayne Roberts 0:9c052ff8dd6a 27 if (radio.RegPaConfig.bits.PaSelect) {
Wayne Roberts 0:9c052ff8dd6a 28 Vctl2 = 0;
Wayne Roberts 0:9c052ff8dd6a 29 Vctl3 = 1;
Wayne Roberts 0:9c052ff8dd6a 30 } else {
Wayne Roberts 0:9c052ff8dd6a 31 Vctl2 = 1;
Wayne Roberts 0:9c052ff8dd6a 32 Vctl3 = 0;
Wayne Roberts 0:9c052ff8dd6a 33 }
Wayne Roberts 0:9c052ff8dd6a 34 } else {
Wayne Roberts 0:9c052ff8dd6a 35 if (radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER || radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER_SINGLE)
Wayne Roberts 0:9c052ff8dd6a 36 Vctl1 = 1;
Wayne Roberts 0:9c052ff8dd6a 37 else
Wayne Roberts 0:9c052ff8dd6a 38 Vctl1 = 0;
Wayne Roberts 0:9c052ff8dd6a 39
Wayne Roberts 0:9c052ff8dd6a 40 Vctl2 = 0;
Wayne Roberts 0:9c052ff8dd6a 41 Vctl3 = 0;
Wayne Roberts 0:9c052ff8dd6a 42 }
Wayne Roberts 0:9c052ff8dd6a 43 }
Wayne Roberts 0:9c052ff8dd6a 44
Wayne Roberts 0:9c052ff8dd6a 45 void
Wayne Roberts 0:9c052ff8dd6a 46 Radio::set_tx_dbm(int8_t dbm)
Wayne Roberts 0:9c052ff8dd6a 47 {
Wayne Roberts 0:9c052ff8dd6a 48 RegPdsTrim1_t pds_trim;
Wayne Roberts 5:ab124d3842a8 49 unsigned v = radio.read_reg(REG_PATEST_SX1276);
Wayne Roberts 5:ab124d3842a8 50
Wayne Roberts 5:ab124d3842a8 51 if (dbm == PA_OFF_DBM) {
Wayne Roberts 5:ab124d3842a8 52 /* for bench testing: prevent overloading receiving station (very low TX power) */
Wayne Roberts 5:ab124d3842a8 53 v &= ~0x20; // turn off pu_regpa_n: disable PA
Wayne Roberts 5:ab124d3842a8 54 radio.write_reg(REG_PATEST_SX1276, v);
Wayne Roberts 5:ab124d3842a8 55 return;
Wayne Roberts 5:ab124d3842a8 56 } else if ((v & 0x20) == 0) {
Wayne Roberts 5:ab124d3842a8 57 v |= 0x20; // turn on pu_regpa_n: enable PA
Wayne Roberts 5:ab124d3842a8 58 radio.write_reg(REG_PATEST_SX1276, v);
Wayne Roberts 5:ab124d3842a8 59 }
Wayne Roberts 5:ab124d3842a8 60
Wayne Roberts 0:9c052ff8dd6a 61 pds_trim.octet = radio.read_reg(REG_PDSTRIM1_SX1276);
Wayne Roberts 0:9c052ff8dd6a 62
Wayne Roberts 0:9c052ff8dd6a 63 if (dbm > 13) {
Wayne Roberts 0:9c052ff8dd6a 64 radio.RegPaConfig.bits.PaSelect = 1;
Wayne Roberts 0:9c052ff8dd6a 65 if (dbm > 17) {
Wayne Roberts 0:9c052ff8dd6a 66 pds_trim.bits.prog_txdac = 7;
Wayne Roberts 0:9c052ff8dd6a 67 dbm -= 3;
Wayne Roberts 0:9c052ff8dd6a 68 ocp(150);
Wayne Roberts 0:9c052ff8dd6a 69 } else {
Wayne Roberts 0:9c052ff8dd6a 70 pds_trim.bits.prog_txdac = 4;
Wayne Roberts 0:9c052ff8dd6a 71 ocp(120);
Wayne Roberts 0:9c052ff8dd6a 72 }
Wayne Roberts 0:9c052ff8dd6a 73
Wayne Roberts 0:9c052ff8dd6a 74 radio.RegPaConfig.bits.OutputPower = dbm - 2;
Wayne Roberts 0:9c052ff8dd6a 75 } else {
Wayne Roberts 0:9c052ff8dd6a 76 pds_trim.bits.prog_txdac = 4;
Wayne Roberts 0:9c052ff8dd6a 77 radio.RegPaConfig.bits.PaSelect = 0;
Wayne Roberts 0:9c052ff8dd6a 78 radio.RegPaConfig.bits.OutputPower = dbm + 1;
Wayne Roberts 0:9c052ff8dd6a 79 ocp(80);
Wayne Roberts 0:9c052ff8dd6a 80 }
Wayne Roberts 0:9c052ff8dd6a 81
Wayne Roberts 0:9c052ff8dd6a 82 radio.write_reg(REG_PACONFIG, radio.RegPaConfig.octet);
Wayne Roberts 0:9c052ff8dd6a 83 radio.write_reg(REG_PDSTRIM1_SX1276, pds_trim.octet);
Wayne Roberts 0:9c052ff8dd6a 84 }
Wayne Roberts 0:9c052ff8dd6a 85
Wayne Roberts 0:9c052ff8dd6a 86 #ifdef SSA_BOARD
Wayne Roberts 0:9c052ff8dd6a 87 DigitalOut pa12(PA_12); // tcxo enable
Wayne Roberts 0:9c052ff8dd6a 88 DigitalOut pa11(PA_11); // sw9v enable -> sw3v3
Wayne Roberts 0:9c052ff8dd6a 89 #endif
Wayne Roberts 0:9c052ff8dd6a 90 void Radio::boardInit()
Wayne Roberts 0:9c052ff8dd6a 91 {
Wayne Roberts 0:9c052ff8dd6a 92 #ifdef SSA_BOARD
Wayne Roberts 0:9c052ff8dd6a 93 pa12 = 1; // tcxo
Wayne Roberts 0:9c052ff8dd6a 94 pa11 = 1; // sw9v -> sw3v3
Wayne Roberts 0:9c052ff8dd6a 95 #endif
Wayne Roberts 0:9c052ff8dd6a 96 }
Wayne Roberts 0:9c052ff8dd6a 97
Wayne Roberts 18:78c5e644d37a 98 #endif /* ..SX127x_H */