May 2021 Tests
Dependencies: SX127x sx12xx_hal
main.cpp@2:0666202b51f9, 2021-05-09 (annotated)
- Committer:
- lightshow
- Date:
- Sun May 09 19:56:00 2021 +0000
- Revision:
- 2:0666202b51f9
- Parent:
- 1:b277f5a65c1c
May 2021 Tests
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
LoRaToolbox | 0:44fb2db84011 | 1 | #include "radio.h" |
lightshow | 2:0666202b51f9 | 2 | #define MASK_XXXXXXX_ 15 |
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 | #elif defined(SX126x_H) |
LoRaToolbox | 0:44fb2db84011 | 10 | #define BW_KHZ 500 |
LoRaToolbox | 0:44fb2db84011 | 11 | #define SPREADING_FACTOR 10 |
lightshow | 2:0666202b51f9 | 12 | #define CF_HZ 913000000 |
LoRaToolbox | 0:44fb2db84011 | 13 | #elif defined(SX128x_H) |
LoRaToolbox | 0:44fb2db84011 | 14 | #define BW_KHZ 200 |
LoRaToolbox | 0:44fb2db84011 | 15 | #define SPREADING_FACTOR 7 |
LoRaToolbox | 0:44fb2db84011 | 16 | #define CF_HZ 2487000000 |
LoRaToolbox | 0:44fb2db84011 | 17 | #endif |
LoRaToolbox | 0:44fb2db84011 | 18 | |
lightshow | 2:0666202b51f9 | 19 | DigitalOut myled(LED1); |
lightshow | 2:0666202b51f9 | 20 | DigitalOut signalPin[8] = {PB_1,PB_15,D4,D7,D5,PB_14,D9,D14}; |
lightshow | 2:0666202b51f9 | 21 | DigitalOut syncPin(PC_4); |
lightshow | 2:0666202b51f9 | 22 | Timeout resetTrip; |
LoRaToolbox | 1:b277f5a65c1c | 23 | |
lightshow | 2:0666202b51f9 | 24 | /**********************************************************************/ |
LoRaToolbox | 0:44fb2db84011 | 25 | |
LoRaToolbox | 0:44fb2db84011 | 26 | void txDoneCB() |
LoRaToolbox | 0:44fb2db84011 | 27 | { |
lightshow | 2:0666202b51f9 | 28 | } |
lightshow | 2:0666202b51f9 | 29 | |
lightshow | 2:0666202b51f9 | 30 | void turnOffSyncPin() { |
lightshow | 2:0666202b51f9 | 31 | syncPin = 0; |
LoRaToolbox | 0:44fb2db84011 | 32 | } |
LoRaToolbox | 0:44fb2db84011 | 33 | |
LoRaToolbox | 0:44fb2db84011 | 34 | void rxDoneCB(uint8_t size, float rssi, float snr) |
LoRaToolbox | 0:44fb2db84011 | 35 | { |
lightshow | 2:0666202b51f9 | 36 | unsigned i; |
lightshow | 2:0666202b51f9 | 37 | printf("%.1fdBm snr:%.1fdB\t", rssi, snr); |
lightshow | 2:0666202b51f9 | 38 | uint8_t maxShift = 7; |
LoRaToolbox | 0:44fb2db84011 | 39 | |
lightshow | 2:0666202b51f9 | 40 | myled.write(!myled.read()); // toggle LED |
lightshow | 2:0666202b51f9 | 41 | |
lightshow | 2:0666202b51f9 | 42 | //verify ID, in this case ID is 42 |
lightshow | 2:0666202b51f9 | 43 | uint8_t byte = Radio::radio.rx_buf[0]; |
lightshow | 2:0666202b51f9 | 44 | if(byte != 42)return; |
lightshow | 2:0666202b51f9 | 45 | |
lightshow | 2:0666202b51f9 | 46 | //write first received byte as state of pins |
lightshow | 2:0666202b51f9 | 47 | byte = Radio::radio.rx_buf[1]; |
lightshow | 2:0666202b51f9 | 48 | uint8_t tempByte = byte; |
lightshow | 2:0666202b51f9 | 49 | uint8_t bit[8] = {0}; |
lightshow | 2:0666202b51f9 | 50 | for (int i = 0; i<8; i++) |
lightshow | 2:0666202b51f9 | 51 | { |
lightshow | 2:0666202b51f9 | 52 | tempByte = tempByte << (maxShift - i); |
lightshow | 2:0666202b51f9 | 53 | tempByte = tempByte >> (maxShift); |
lightshow | 2:0666202b51f9 | 54 | tempByte = tempByte << i; |
lightshow | 2:0666202b51f9 | 55 | if(tempByte)bit[i] = 1; |
lightshow | 2:0666202b51f9 | 56 | else bit[i] = 0; |
lightshow | 2:0666202b51f9 | 57 | tempByte = byte; |
lightshow | 2:0666202b51f9 | 58 | } |
lightshow | 2:0666202b51f9 | 59 | printf("\n\r"); |
lightshow | 2:0666202b51f9 | 60 | printf("byte: %d",byte); |
lightshow | 2:0666202b51f9 | 61 | for (int i = 0; i<8; i++) |
lightshow | 2:0666202b51f9 | 62 | { |
lightshow | 2:0666202b51f9 | 63 | printf("bit%d: %d\n\r",i,bit[i]); |
lightshow | 2:0666202b51f9 | 64 | } |
lightshow | 2:0666202b51f9 | 65 | |
lightshow | 2:0666202b51f9 | 66 | for (int i = 0; i<8; i++) |
lightshow | 2:0666202b51f9 | 67 | { |
lightshow | 2:0666202b51f9 | 68 | signalPin[i] = bit[i]; |
lightshow | 2:0666202b51f9 | 69 | } |
lightshow | 2:0666202b51f9 | 70 | if(bit[0]) |
lightshow | 2:0666202b51f9 | 71 | { |
lightshow | 2:0666202b51f9 | 72 | syncPin = 1; |
lightshow | 2:0666202b51f9 | 73 | resetTrip.attach(&turnOffSyncPin, .01); |
lightshow | 2:0666202b51f9 | 74 | } |
lightshow | 2:0666202b51f9 | 75 | ThisThread::sleep_for(200); |
lightshow | 2:0666202b51f9 | 76 | |
lightshow | 2:0666202b51f9 | 77 | for (int i = 0; i<8; i++) |
lightshow | 2:0666202b51f9 | 78 | { |
lightshow | 2:0666202b51f9 | 79 | signalPin[i] = 0; |
lightshow | 2:0666202b51f9 | 80 | } |
lightshow | 2:0666202b51f9 | 81 | |
lightshow | 2:0666202b51f9 | 82 | |
lightshow | 2:0666202b51f9 | 83 | // Display payload packet information |
lightshow | 2:0666202b51f9 | 84 | |
lightshow | 2:0666202b51f9 | 85 | for (i = 0; i < size; i++) { |
lightshow | 2:0666202b51f9 | 86 | printf("%02d ", Radio::radio.rx_buf[i]); // Changed to "%02d \n" |
lightshow | 2:0666202b51f9 | 87 | } |
lightshow | 2:0666202b51f9 | 88 | printf("\r\n\n"); |
lightshow | 2:0666202b51f9 | 89 | } |
LoRaToolbox | 1:b277f5a65c1c | 90 | |
LoRaToolbox | 0:44fb2db84011 | 91 | const RadioEvents_t rev = { |
LoRaToolbox | 0:44fb2db84011 | 92 | /* Dio0_top_half */ NULL, |
LoRaToolbox | 0:44fb2db84011 | 93 | /* TxDone_topHalf */ NULL, |
LoRaToolbox | 0:44fb2db84011 | 94 | /* TxDone_botHalf */ txDoneCB, |
LoRaToolbox | 0:44fb2db84011 | 95 | /* TxTimeout */ NULL, |
LoRaToolbox | 0:44fb2db84011 | 96 | /* RxDone */ rxDoneCB, |
LoRaToolbox | 0:44fb2db84011 | 97 | /* RxTimeout */ NULL, |
LoRaToolbox | 0:44fb2db84011 | 98 | /* RxError */ NULL, |
LoRaToolbox | 0:44fb2db84011 | 99 | /* FhssChangeChannel */NULL, |
LoRaToolbox | 0:44fb2db84011 | 100 | /* CadDone */ NULL |
LoRaToolbox | 0:44fb2db84011 | 101 | }; |
LoRaToolbox | 0:44fb2db84011 | 102 | |
LoRaToolbox | 0:44fb2db84011 | 103 | int main() |
lightshow | 2:0666202b51f9 | 104 | { |
lightshow | 2:0666202b51f9 | 105 | |
lightshow | 2:0666202b51f9 | 106 | // POR & Reset debug message |
lightshow | 2:0666202b51f9 | 107 | |
lightshow | 2:0666202b51f9 | 108 | printf("\r\nreset-rx\r\n"); |
LoRaToolbox | 1:b277f5a65c1c | 109 | |
LoRaToolbox | 0:44fb2db84011 | 110 | Radio::Init(&rev); |
LoRaToolbox | 0:44fb2db84011 | 111 | |
lightshow | 2:0666202b51f9 | 112 | // Radio Start |
lightshow | 2:0666202b51f9 | 113 | |
LoRaToolbox | 0:44fb2db84011 | 114 | Radio::Standby(); |
LoRaToolbox | 0:44fb2db84011 | 115 | Radio::LoRaModemConfig(BW_KHZ, SPREADING_FACTOR, 1); |
LoRaToolbox | 0:44fb2db84011 | 116 | Radio::SetChannel(CF_HZ); |
LoRaToolbox | 0:44fb2db84011 | 117 | |
lightshow | 2:0666202b51f9 | 118 | // preambleLen, fixLen, crcOn, invIQ |
LoRaToolbox | 1:b277f5a65c1c | 119 | |
LoRaToolbox | 0:44fb2db84011 | 120 | Radio::LoRaPacketConfig(8, false, true, false); |
LoRaToolbox | 0:44fb2db84011 | 121 | |
lightshow | 2:0666202b51f9 | 122 | // Start radio receiver, wait for packets from transmitter |
LoRaToolbox | 0:44fb2db84011 | 123 | |
lightshow | 2:0666202b51f9 | 124 | Radio::Rx(0); |
lightshow | 2:0666202b51f9 | 125 | |
lightshow | 2:0666202b51f9 | 126 | for (;;) { |
lightshow | 2:0666202b51f9 | 127 | Radio::service(); |
lightshow | 2:0666202b51f9 | 128 | } |
lightshow | 2:0666202b51f9 | 129 | } |