Ilya Krylov / sx12xx_hal123

1

TARGET_DISCO_L072CZ_LRWAN1/radio_typeABZ.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 #include "radio.h"
Wayne Roberts 0:9c052ff8dd6a 2
Wayne Roberts 0:9c052ff8dd6a 3 #define SSA_BOARD 1
Wayne Roberts 0:9c052ff8dd6a 4
Wayne Roberts 0:9c052ff8dd6a 5 SPI spi(PA_7, PA_6, PB_3); // mosi, miso, sclk
Wayne Roberts 0:9c052ff8dd6a 6 // dio0, dio1, nss, spi, rst
Wayne Roberts 0:9c052ff8dd6a 7 SX127x Radio::radio(PB_4, PB_1, PA_15, spi, PC_0); // sx1276 arduino shield
Wayne Roberts 0:9c052ff8dd6a 8 SX127x_lora Radio::lora(radio);
Wayne Roberts 0:9c052ff8dd6a 9 SX127x_fsk Radio::fsk(radio);
Wayne Roberts 0:9c052ff8dd6a 10
Wayne Roberts 0:9c052ff8dd6a 11 InterruptIn Radio::dio0(PB_4);
Wayne Roberts 0:9c052ff8dd6a 12 InterruptIn Radio::dio1(PB_1);
Wayne Roberts 0:9c052ff8dd6a 13
Wayne Roberts 0:9c052ff8dd6a 14 #define CRF1 PA_1
Wayne Roberts 0:9c052ff8dd6a 15 #define CRF2 PC_2
Wayne Roberts 0:9c052ff8dd6a 16 #define CRF3 PC_1
Wayne Roberts 0:9c052ff8dd6a 17 DigitalOut Vctl1(CRF1);
Wayne Roberts 0:9c052ff8dd6a 18 DigitalOut Vctl2(CRF2);
Wayne Roberts 0:9c052ff8dd6a 19 DigitalOut Vctl3(CRF3);
Wayne Roberts 0:9c052ff8dd6a 20
Wayne Roberts 0:9c052ff8dd6a 21 void Radio::rfsw_callback()
Wayne Roberts 0:9c052ff8dd6a 22 {
Wayne Roberts 0:9c052ff8dd6a 23 if (radio.RegOpMode.bits.Mode == RF_OPMODE_TRANSMITTER) {
Wayne Roberts 0:9c052ff8dd6a 24 Vctl1 = 0;
Wayne Roberts 0:9c052ff8dd6a 25 if (radio.RegPaConfig.bits.PaSelect) {
Wayne Roberts 0:9c052ff8dd6a 26 Vctl2 = 0;
Wayne Roberts 0:9c052ff8dd6a 27 Vctl3 = 1;
Wayne Roberts 0:9c052ff8dd6a 28 } else {
Wayne Roberts 0:9c052ff8dd6a 29 Vctl2 = 1;
Wayne Roberts 0:9c052ff8dd6a 30 Vctl3 = 0;
Wayne Roberts 0:9c052ff8dd6a 31 }
Wayne Roberts 0:9c052ff8dd6a 32 } else {
Wayne Roberts 0:9c052ff8dd6a 33 if (radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER || radio.RegOpMode.bits.Mode == RF_OPMODE_RECEIVER_SINGLE)
Wayne Roberts 0:9c052ff8dd6a 34 Vctl1 = 1;
Wayne Roberts 0:9c052ff8dd6a 35 else
Wayne Roberts 0:9c052ff8dd6a 36 Vctl1 = 0;
Wayne Roberts 0:9c052ff8dd6a 37
Wayne Roberts 0:9c052ff8dd6a 38 Vctl2 = 0;
Wayne Roberts 0:9c052ff8dd6a 39 Vctl3 = 0;
Wayne Roberts 0:9c052ff8dd6a 40 }
Wayne Roberts 0:9c052ff8dd6a 41 }
Wayne Roberts 0:9c052ff8dd6a 42
Wayne Roberts 0:9c052ff8dd6a 43 void
Wayne Roberts 0:9c052ff8dd6a 44 Radio::set_tx_dbm(int8_t dbm)
Wayne Roberts 0:9c052ff8dd6a 45 {
Wayne Roberts 0:9c052ff8dd6a 46 RegPdsTrim1_t pds_trim;
Wayne Roberts 0:9c052ff8dd6a 47 pds_trim.octet = radio.read_reg(REG_PDSTRIM1_SX1276);
Wayne Roberts 0:9c052ff8dd6a 48
Wayne Roberts 0:9c052ff8dd6a 49 if (dbm > 13) {
Wayne Roberts 0:9c052ff8dd6a 50 radio.RegPaConfig.bits.PaSelect = 1;
Wayne Roberts 0:9c052ff8dd6a 51 if (dbm > 17) {
Wayne Roberts 0:9c052ff8dd6a 52 pds_trim.bits.prog_txdac = 7;
Wayne Roberts 0:9c052ff8dd6a 53 dbm -= 3;
Wayne Roberts 0:9c052ff8dd6a 54 ocp(150);
Wayne Roberts 0:9c052ff8dd6a 55 } else {
Wayne Roberts 0:9c052ff8dd6a 56 pds_trim.bits.prog_txdac = 4;
Wayne Roberts 0:9c052ff8dd6a 57 ocp(120);
Wayne Roberts 0:9c052ff8dd6a 58 }
Wayne Roberts 0:9c052ff8dd6a 59
Wayne Roberts 0:9c052ff8dd6a 60 radio.RegPaConfig.bits.OutputPower = dbm - 2;
Wayne Roberts 0:9c052ff8dd6a 61 } else {
Wayne Roberts 0:9c052ff8dd6a 62 pds_trim.bits.prog_txdac = 4;
Wayne Roberts 0:9c052ff8dd6a 63 radio.RegPaConfig.bits.PaSelect = 0;
Wayne Roberts 0:9c052ff8dd6a 64 radio.RegPaConfig.bits.OutputPower = dbm + 1;
Wayne Roberts 0:9c052ff8dd6a 65 ocp(80);
Wayne Roberts 0:9c052ff8dd6a 66 }
Wayne Roberts 0:9c052ff8dd6a 67
Wayne Roberts 0:9c052ff8dd6a 68 radio.write_reg(REG_PACONFIG, radio.RegPaConfig.octet);
Wayne Roberts 0:9c052ff8dd6a 69 radio.write_reg(REG_PDSTRIM1_SX1276, pds_trim.octet);
Wayne Roberts 0:9c052ff8dd6a 70 }
Wayne Roberts 0:9c052ff8dd6a 71
Wayne Roberts 0:9c052ff8dd6a 72 #ifdef SSA_BOARD
Wayne Roberts 0:9c052ff8dd6a 73 DigitalOut pa12(PA_12); // tcxo enable
Wayne Roberts 0:9c052ff8dd6a 74 DigitalOut pa11(PA_11); // sw9v enable -> sw3v3
Wayne Roberts 0:9c052ff8dd6a 75 #endif
Wayne Roberts 0:9c052ff8dd6a 76 void Radio::boardInit()
Wayne Roberts 0:9c052ff8dd6a 77 {
Wayne Roberts 0:9c052ff8dd6a 78 #ifdef SSA_BOARD
Wayne Roberts 0:9c052ff8dd6a 79 pa12 = 1; // tcxo
Wayne Roberts 0:9c052ff8dd6a 80 pa11 = 1; // sw9v -> sw3v3
Wayne Roberts 0:9c052ff8dd6a 81 #endif
Wayne Roberts 0:9c052ff8dd6a 82 }
Wayne Roberts 0:9c052ff8dd6a 83