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LoRa_APRS_Tracker111
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sx1268 sends and receives packets

This commit is contained in:
richonguzman 2023-08-08 00:26:53 -04:00
parent 106def74e0
commit 69e3906bc1
2 changed files with 52 additions and 44 deletions
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61
src/lora_utils.cpp
View File

@ -3,25 +3,13 @@
#include <LoRa.h>
#include <SPI.h>
#include "configuration.h"
#include "pins_config.h"
#include "msg_utils.h"
#include "display.h"
extern logging::Logger logger;
extern Configuration Config;
#define RADIO_SCLK_PIN 5
#define RADIO_MISO_PIN 19
#define RADIO_MOSI_PIN 27
#define RADIO_CS_PIN 18
#define RADIO_DIO0_PIN 26 // SX1278's IRQ(Interrupt Request)
#define RADIO_RST_PIN 23 // SX1278's RESET
#define RADIO_DIO1_PIN 33
#define RADIO_BUSY_PIN 32
#define BAND 433.775000
SX1268 radio = new Module(RADIO_CS_PIN, RADIO_DIO1_PIN, RADIO_RST_PIN, RADIO_BUSY_PIN);
namespace LoRa_Utils {
@ -30,21 +18,19 @@ namespace LoRa_Utils {
#if defined(TTGO_T_Beam_V1_0_SX1268)
logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "LoRa", "Set SPI pins!");
SPI.begin(RADIO_SCLK_PIN, RADIO_MISO_PIN, RADIO_MOSI_PIN);
Serial.print(F("[SX1268] Initializing ... "));
int state = radio.begin(BAND);
logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "LoRa", "frequency: %d", BAND);
float freq = (float)Config.loramodule.frequency/1000000.0;
int state = radio.begin(freq);
if (state == RADIOLIB_ERR_NONE)
{
Serial.println(F("success!"));
logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "LoRa", "Initializing SX1268");
} else {
logger.log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, "LoRa", "Starting LoRa failed!");
while (true);
}
radio.setSpreadingFactor(12); // ranges from 6-12,default 7 see API docs
radio.setBandwidth(125000);
radio.setCodingRate(5);
state = radio.setOutputPower(20);
radio.setSpreadingFactor(Config.loramodule.spreadingFactor);
radio.setBandwidth(Config.loramodule.signalBandwidth);
radio.setCodingRate(Config.loramodule.codingRate4);
state = radio.setOutputPower(Config.loramodule.power + 2);
if (state == RADIOLIB_ERR_NONE) {
logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "LoRa", "LoRa init done!");
@ -53,7 +39,7 @@ namespace LoRa_Utils {
while (true);
}
#endif
#if defined(TTGO_T_Beam_V1_0)
#if defined(TTGO_T_Beam_V1_0) || defined(TTGO_T_LORA_V2_1) || defined(TTGO_T_Beam_V1_2)
logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "LoRa", "Set SPI pins!");
SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_CS);
logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "LoRa", "Set LoRa pins!");
@ -84,10 +70,9 @@ namespace LoRa_Utils {
delay(Config.ptt.preDelay);
}
#if defined(TTGO_T_Beam_V1_0_SX1268)
Serial.println("Transmiting...");
Serial.print("Transmiting... ");
int state = radio.transmit("\x3c\xff\x01" + newPacket);
if (state == RADIOLIB_ERR_NONE) {
// the packet was successfully transmitted
Serial.println(F("success!"));
// print measured data rate
@ -96,20 +81,17 @@ namespace LoRa_Utils {
Serial.println(F(" bps"));
} else if (state == RADIOLIB_ERR_PACKET_TOO_LONG) {
// the supplied packet was longer than 256 bytes
Serial.println(F("too long!"));
} else if (state == RADIOLIB_ERR_TX_TIMEOUT) {
// timeout occured while transmitting packet
Serial.println(F("timeout!"));
} else {
// some other error occurred
Serial.print(F("failed, code "));
Serial.println(state);
}
#endif
#if defined(TTGO_T_Beam_V1_0)
#if defined(TTGO_T_Beam_V1_0) || defined(TTGO_T_LORA_V2_1) || defined(TTGO_T_Beam_V1_2)
LoRa.beginPacket();
LoRa.write('<');
LoRa.write(0xFF);
@ -125,17 +107,32 @@ namespace LoRa_Utils {
String receivePacket() {
String loraPacket = "";
#if defined(TTGO_T_Beam_V1_0) || defined(TTGO_T_LORA_V2_1) || defined(TTGO_T_Beam_V1_2)
int packetSize = LoRa.parsePacket();
if (packetSize) {
while (LoRa.available()) {
int inChar = LoRa.read();
loraPacket += (char)inChar;
}
//rssi = LoRa.packetRssi();
//snr = LoRa.packetSnr();
//freqError = LoRa.packetFrequencyError();
}
return loraPacket;
#endif
#if defined(TTGO_T_Beam_V1_0_SX1268)
int state = radio.receive(loraPacket);
if (state == RADIOLIB_ERR_NONE) {
Serial.println(F("success!"));
Serial.print(F("[SX1268] Data:\t\t")); Serial.println(loraPacket);
} else if (state == RADIOLIB_ERR_RX_TIMEOUT) {
// timeout occurred while waiting for a packet
//Serial.println(F("timeout!"));
} else if (state == RADIOLIB_ERR_CRC_MISMATCH) {
Serial.println(F("CRC error!"));
} else {
Serial.print(F("failed, code "));
Serial.println(state);
}
return loraPacket;
#endif
}
}

35
src/pins_config.h
View File

@ -5,26 +5,37 @@
#undef OLED_SCL
#undef OLED_RST
#define OLED_SDA 21
#define OLED_SCL 22
#define OLED_RST 16
#define OLED_SDA 21
#define OLED_SCL 22
#define OLED_RST 16
#if defined(TTGO_T_Beam_V1_0) || defined(TTGO_T_Beam_V1_2) || defined(TTGO_T_Beam_V1_0_SX1268)
#define GPS_RX 12
#define GPS_TX 34
#define BUTTON_PIN 38 // The middle button GPIO on the T-Beam
#define GPS_RX 12
#define GPS_TX 34
#define BUTTON_PIN 38 // The middle button GPIO on the T-Beam
#endif
#if defined(TTGO_T_Beam_V1_0_SX1268)
#define RADIO_SCLK_PIN 5
#define RADIO_MISO_PIN 19
#define RADIO_MOSI_PIN 27
#define RADIO_CS_PIN 18
#define RADIO_DIO0_PIN 26
#define RADIO_RST_PIN 23
#define RADIO_DIO1_PIN 33
#define RADIO_BUSY_PIN 32
#endif
#ifdef TTGO_T_Beam_V0_7
#define GPS_RX 15
#define GPS_TX 12
#define BUTTON_PIN 38
#define GPS_RX 15
#define GPS_TX 12
#define BUTTON_PIN 38
#endif
#ifdef TTGO_T_LORA_V2_1
#define GPS_RX -1
#define GPS_TX -1
#define BUTTON_PIN -1
#define GPS_RX -1
#define GPS_TX -1
#define BUTTON_PIN -1
#endif
#endif