Light Show / Mbed OS Simple_Rx_SX127x_Interupt

May 2021 Tests

Dependencies:   SX127x sx12xx_hal

main.cpp@1:b277f5a65c1c, 2019-03-21 (annotated)

Committer:
LoRaToolbox
Date:
Thu Mar 21 10:22:46 2019 +0000
Revision:
1:b277f5a65c1c
Parent:
0:44fb2db84011
Child:
2:2ab3ddbe5e7f
Include updated comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
LoRaToolbox 0:44fb2db84011 1 #include "radio.h"
LoRaToolbox 0:44fb2db84011 2
LoRaToolbox 1:b277f5a65c1c 3 // Semtech radio definitions for SX127x, SX126x and SX128x
LoRaToolbox 1:b277f5a65c1c 4
LoRaToolbox 0:44fb2db84011 5 #if defined(SX127x_H)
LoRaToolbox 0:44fb2db84011 6 #define BW_KHZ 500
LoRaToolbox 0:44fb2db84011 7 #define SPREADING_FACTOR 11
LoRaToolbox 0:44fb2db84011 8 #define CF_HZ 912000000
LoRaToolbox 0:44fb2db84011 9 #define TX_DBM 20
LoRaToolbox 0:44fb2db84011 10 #elif defined(SX126x_H)
LoRaToolbox 0:44fb2db84011 11 #define BW_KHZ 500
LoRaToolbox 0:44fb2db84011 12 #define SPREADING_FACTOR 10
LoRaToolbox 0:44fb2db84011 13 #define CF_HZ 915000000
LoRaToolbox 0:44fb2db84011 14 #define TX_DBM (Radio::chipType == CHIP_TYPE_SX1262 ? 20 : 14)
LoRaToolbox 0:44fb2db84011 15 #elif defined(SX128x_H)
LoRaToolbox 0:44fb2db84011 16 #define BW_KHZ 200
LoRaToolbox 0:44fb2db84011 17 #define SPREADING_FACTOR 7
LoRaToolbox 0:44fb2db84011 18 #define CF_HZ 2487000000
LoRaToolbox 0:44fb2db84011 19 #define TX_DBM 6
LoRaToolbox 0:44fb2db84011 20 #endif
LoRaToolbox 0:44fb2db84011 21
LoRaToolbox 1:b277f5a65c1c 22 /******************** Setup radio transmitter ****************************/
LoRaToolbox 1:b277f5a65c1c 23
LoRaToolbox 1:b277f5a65c1c 24
LoRaToolbox 0:44fb2db84011 25 volatile bool txDone;
LoRaToolbox 0:44fb2db84011 26
LoRaToolbox 0:44fb2db84011 27 void txDoneCB()
LoRaToolbox 0:44fb2db84011 28 {
LoRaToolbox 0:44fb2db84011 29 txDone = true;
LoRaToolbox 0:44fb2db84011 30 }
LoRaToolbox 0:44fb2db84011 31
LoRaToolbox 0:44fb2db84011 32 void rxDoneCB(uint8_t size, float rssi, float snr)
LoRaToolbox 0:44fb2db84011 33 {
LoRaToolbox 0:44fb2db84011 34 }
LoRaToolbox 0:44fb2db84011 35
LoRaToolbox 1:b277f5a65c1c 36 // Define radio events for transmitter
LoRaToolbox 1:b277f5a65c1c 37
LoRaToolbox 0:44fb2db84011 38 const RadioEvents_t rev = {
LoRaToolbox 0:44fb2db84011 39 /* Dio0_top_half */ NULL,
LoRaToolbox 0:44fb2db84011 40 /* TxDone_topHalf */ NULL,
LoRaToolbox 0:44fb2db84011 41 /* TxDone_botHalf */ txDoneCB,
LoRaToolbox 0:44fb2db84011 42 /* TxTimeout */ NULL,
LoRaToolbox 0:44fb2db84011 43 /* RxDone */ rxDoneCB,
LoRaToolbox 0:44fb2db84011 44 /* RxTimeout */ NULL,
LoRaToolbox 0:44fb2db84011 45 /* RxError */ NULL,
LoRaToolbox 0:44fb2db84011 46 /* FhssChangeChannel */NULL,
LoRaToolbox 0:44fb2db84011 47 /* CadDone */ NULL
LoRaToolbox 0:44fb2db84011 48 };
LoRaToolbox 0:44fb2db84011 49
LoRaToolbox 0:44fb2db84011 50 int main()
LoRaToolbox 0:44fb2db84011 51 {
LoRaToolbox 1:b277f5a65c1c 52 uint8_t seq = 0; // Set initial transmit sequence to 0
LoRaToolbox 1:b277f5a65c1c 53
LoRaToolbox 0:44fb2db84011 54 printf("\r\nreset-tx ");
LoRaToolbox 1:b277f5a65c1c 55
LoRaToolbox 1:b277f5a65c1c 56 // Start radio transmitter after POR or reset
LoRaToolbox 0:44fb2db84011 57
LoRaToolbox 0:44fb2db84011 58 Radio::Init(&rev);
LoRaToolbox 0:44fb2db84011 59
LoRaToolbox 1:b277f5a65c1c 60 //Set radio properties for transmitter
LoRaToolbox 1:b277f5a65c1c 61
LoRaToolbox 0:44fb2db84011 62 Radio::Standby();
LoRaToolbox 0:44fb2db84011 63 Radio::LoRaModemConfig(BW_KHZ, SPREADING_FACTOR, 1);
LoRaToolbox 0:44fb2db84011 64 Radio::SetChannel(CF_HZ);
LoRaToolbox 0:44fb2db84011 65
LoRaToolbox 1:b277f5a65c1c 66 // Set transmitter output power
LoRaToolbox 1:b277f5a65c1c 67
LoRaToolbox 0:44fb2db84011 68 Radio::set_tx_dbm(TX_DBM);
LoRaToolbox 0:44fb2db84011 69
LoRaToolbox 1:b277f5a65c1c 70 // Setup transmit packet payload -> preambleLen, fixLen, crcOn, invIQ
LoRaToolbox 1:b277f5a65c1c 71
LoRaToolbox 0:44fb2db84011 72 Radio::LoRaPacketConfig(8, false, true, false);
LoRaToolbox 0:44fb2db84011 73
LoRaToolbox 0:44fb2db84011 74 printf("\n");
LoRaToolbox 0:44fb2db84011 75
LoRaToolbox 0:44fb2db84011 76 printf("%02d \r\n\n", seq);
LoRaToolbox 0:44fb2db84011 77
LoRaToolbox 0:44fb2db84011 78 for (;;) {
LoRaToolbox 1:b277f5a65c1c 79 Radio::radio.tx_buf[0] = seq; // set payload
LoRaToolbox 0:44fb2db84011 80 txDone = false;
LoRaToolbox 1:b277f5a65c1c 81 Radio::Send(10, 0, 0, 0); // begin transmission of payload
LoRaToolbox 0:44fb2db84011 82
LoRaToolbox 0:44fb2db84011 83 while (!txDone) {
LoRaToolbox 0:44fb2db84011 84 Radio::service();
LoRaToolbox 0:44fb2db84011 85 }
LoRaToolbox 0:44fb2db84011 86
LoRaToolbox 1:b277f5a65c1c 87 // Transmit payload every 500mS
LoRaToolbox 0:44fb2db84011 88
LoRaToolbox 1:b277f5a65c1c 89 wait(0.5); // throttle sending rate
LoRaToolbox 1:b277f5a65c1c 90 seq++; // change payload (increment sequence number)
LoRaToolbox 1:b277f5a65c1c 91 printf("%02d \r\n\n", seq); // Print sequence number
LoRaToolbox 0:44fb2db84011 92
LoRaToolbox 1:b277f5a65c1c 93 }
LoRaToolbox 0:44fb2db84011 94 }