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getting started

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This commit is contained in:
Timm Bogner 2022-11-21 23:04:39 -06:00
parent d088163d3d
commit fb15115c62
3 changed files with 71 additions and 23 deletions
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14
examples/1_UART_Gateway/fdrs_gateway_config.h
View File

@ -16,6 +16,11 @@
#define SERIAL_ACT sendESPNOW(0x02); bufferLoRa(1); sendESPNOWpeers();
#define MQTT_ACT
#define LORAG_ACT sendSerial();
// Neighbor Actions
#define ESPNOW1_ACT
#define ESPNOW2_ACT
#define LORA1_ACT sendSerial();
#define LORA2_ACT
// Protocols -- Define which protocols the gateway will use.
// Warning: ESP-NOW and WiFi should not be used simultaneously.
@ -24,17 +29,15 @@
//#define USE_LORA
//#define USE_WIFI //Used only for MQTT gateway
#define RADIOLIB_MODULE SX1276
// Neighboring gateway addresses
#define ESPNOW_NEIGHBOR_1 0x0E // ESPNOW1 Address
#define ESPNOW_NEIGHBOR_2 0x0F // ESPNOW2 Address
#define LORA_NEIGHBOR_1 0x02 // LoRa1 Address
#define LORA_NEIGHBOR_2 0x0F // LoRa2 Address
// Neighbor Actions
#define ESPNOW1_ACT
#define ESPNOW2_ACT
#define LORA1_ACT sendSerial();
#define LORA2_ACT
//Pins for UART data interface (ESP32 only)
#define RXD2 14
@ -58,6 +61,7 @@
#define LORA_SS 18
#define LORA_RST 14
#define LORA_DIO0 26
#define LORA_DIO1 33
//433E6 for Asia
//866E6 for Europe

2
src/fdrs_functions.h
View File

@ -854,7 +854,7 @@ void loopFDRS(){
while (UART_IF.available() || Serial.available()) {
getSerial();
}
getLoRa();
if (receivedFlag) getLoRa();
#ifdef USE_WIFI
if (!client.connected()) {
reconnect(1, true);

78
src/fdrs_lora.h
View File

@ -1,3 +1,6 @@
RADIOLIB_MODULE radio = new Module(LORA_SS, LORA_DIO0, LORA_RST, LORA_DIO1);
volatile bool receivedFlag = false;
volatile bool enableInterrupt = true;
#ifdef USE_LORA
void transmitLoRa(uint16_t* destMac, DataReading * packet, uint8_t len) {
@ -57,27 +60,68 @@ void printLoraPacket(uint8_t* p,int size) {
}
void begin_lora() {
#ifdef USE_LORA
DBG("Initializing LoRa!");
#ifdef ESP32
SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
#endif
LoRa.setPins(LORA_SS, LORA_RST, LORA_DIO0);
if (!LoRa.begin(FDRS_BAND)) {
DBG(" Initialization failed!");
while (1);
DBG("RadioLib [RADIOLIB_MODULE] Initializing ... ");
int state = radio.begin();
if (state == RADIOLIB_ERR_NONE) {
DBG(" success!");
} else {
DBG(" failed, code " + String(state));
while (true);
}
radio.setDio0Action(setFlag);
// start listening for LoRa packets
Serial.print(F("[RADIOLIB_MODULE] Starting to listen ... "));
state = radio.startReceive();
if (state == RADIOLIB_ERR_NONE) {
DBG(" success!");
} else {
DBG(" failed, code " + String(state));
while (true);
}
LoRa.setSpreadingFactor(FDRS_SF);
LoRa.setTxPower(FDRS_TXPWR);
DBG("LoRa Initialized. Band: " + String(FDRS_BAND) + " SF: " + String(FDRS_SF) + " Tx Power: " + String(LORA_TXPWR) + " dBm");
// #ifdef USE_LORA
// DBG("Initializing LoRa!");
// #ifdef ESP32
// SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
// #endif
// LoRa.setPins(LORA_SS, LORA_RST, LORA_DIO0);
// if (!LoRa.begin(FDRS_BAND)) {
// DBG(" Initialization failed!");
// while (1);
// }
#endif // USE_LORA
// LoRa.setSpreadingFactor(FDRS_SF);
// LoRa.setTxPower(FDRS_TXPWR);
// DBG("LoRa Initialized. Band: " + String(FDRS_BAND) + " SF: " + String(FDRS_SF) + " Tx Power: " + String(LORA_TXPWR) + " dBm");
// #endif // USE_LORA
}
#if defined(ESP8266) || defined(ESP32)
ICACHE_RAM_ATTR
#endif
void setFlag(void) {
// check if the interrupt is enabled
if(!enableInterrupt) {
return;
}
// we got a packet, set the flag
receivedFlag = true;
}
void parsePacket(){
RADIOLIB_MODULE.getPacketLength();
int state = radio.readData(str);
}
crcResult getLoRa() {
#ifdef USE_LORA
int packetSize = LoRa.parsePacket();
enableInterrupt = false;
receivedFlag = false;
int packetSize = RADIOLIB_MODULE.getPacketLength();
if((((packetSize - 6) % sizeof(DataReading) == 0) || ((packetSize - 6) % sizeof(SystemPacket) == 0)) && packetSize > 0) { // packet size should be 6 bytes plus multiple of size of DataReading
uint8_t packet[packetSize];
uint16_t packetCRC = 0x0000; // CRC Extracted from received LoRa packet
@ -85,7 +129,7 @@ crcResult getLoRa() {
uint16_t sourceMAC = 0x0000;
uint16_t destMAC = 0x0000;
LoRa.readBytes((uint8_t *)&packet, packetSize);
RADIOLIB_MODULE.readBytes((uint8_t *)&packet, packetSize);
destMAC = (packet[0] << 8) | packet[1];
sourceMAC = (packet[2] << 8) | packet[3];
@ -94,10 +138,10 @@ crcResult getLoRa() {
if (destMAC == (selfAddress[4] << 8 | selfAddress[5])) { //Check if addressed to this device (2 bytes, bytes 1 and 2)
//printLoraPacket(packet,sizeof(packet));
if(receivedLoRaMsg != 0){ // Avoid divide by 0
DBG("Incoming LoRa. Size: " + String(packetSize) + " Bytes, RSSI: " + String(LoRa.packetRssi()) + "dBm, SNR: " + String(LoRa.packetSnr()) + "dB, PacketCRC: 0x" + String(packetCRC, HEX) + ", Total LoRa received: " + String(receivedLoRaMsg) + ", CRC Ok Pct " + String((float)ackOkLoRaMsg/receivedLoRaMsg*100) + "%");
DBG("Incoming LoRa. Size: " + String(packetSize) + " Bytes, RSSI: " + String(radio.getRSSI()) + "dBm, SNR: " + String(radio.getSNR()) + "dB, PacketCRC: 0x" + String(packetCRC, HEX) + ", Total LoRa received: " + String(receivedLoRaMsg) + ", CRC Ok Pct " + String((float)ackOkLoRaMsg/receivedLoRaMsg*100) + "%");
}
else {
DBG("Incoming LoRa. Size: " + String(packetSize) + " Bytes, RSSI: " + String(LoRa.packetRssi()) + "dBm, SNR: " + String(LoRa.packetSnr()) + "dB, PacketCRC: 0x" + String(packetCRC, HEX) + ", Total LoRa received: " + String(receivedLoRaMsg));
DBG("Incoming LoRa. Size: " + String(packetSize) + " Bytes, RSSI: " + String(radio.getRSSI()) + "dBm, SNR: " + String(radio.getSNR()) + "dB, PacketCRC: 0x" + String(packetCRC, HEX) + ", Total LoRa received: " + String(receivedLoRaMsg));
}
receivedLoRaMsg++;
// Evaluate CRC