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pull/7/head
Timm Bogner 3 years ago committed by GitHub
parent 5af86342ca
commit 586855f3a8
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typedef struct DataReading {
float d;
uint16_t id;
uint8_t t;
} DataReading;

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// FARM DATA RELAY SYSTEM
//
// GATEWAY 2.000
//
// Developed by Timm Bogner (bogner1@gmail.com) for Sola Gratia Farm in Urbana, Illinois, USA.
//
#if defined(ESP8266)
#include <ESP8266WiFi.h>
#include <espnow.h>
#elif defined(ESP32)
#include <esp_now.h>
#include <WiFi.h>
#include <esp_wifi.h>
#endif
#include "fdrs_config.h"
#include <ArduinoJson.h>
#include "DataReading.h"
#include <PubSubClient.h>
#include "fdrs_functions.h"
#include <LoRa.h>
#ifdef USE_WIFI
const char* ssid = WIFI_NET;
const char* password = WIFI_PASS;
const char* mqtt_server = MQTT_ADDR;
#endif
void setup() {
#if defined(ESP8266)
Serial.begin(115200);
#elif defined(ESP32)
Serial.begin(115200, SERIAL_8N1, RXD2, TXD2);
#endif
begin_espnow();
#ifdef USE_WIFI
delay(10);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
client.setServer(mqtt_server, 1883);
client.setCallback(mqtt_callback);
#endif
#ifdef USE_LORA
SPI.begin(SCK, MISO, MOSI, SS);
LoRa.setPins(SS, RST, DIO0);
if (!LoRa.begin(BAND)) {
while (1);
}
#endif
}
void loop() {
if (millis() > timeESPNOWG) {
timeESPNOWG += ESPNOWG_DELAY;
if (lenESPNOWG > 0) releaseESPNOW(0);
}
if (millis() > timeESPNOW1) {
timeESPNOW1 += ESPNOW1_DELAY;
if (lenESPNOW1 > 0) releaseESPNOW(1);
}
if (millis() > timeESPNOW2) {
timeESPNOW2 += ESPNOW2_DELAY;
if (lenESPNOW2 > 0) releaseESPNOW(2);
}
if (millis() > timeSERIAL) {
//Serial.println("timeSERIAL tripped: " + String(lenSERIAL));
timeSERIAL += SERIAL_DELAY;
if (lenSERIAL > 0) releaseSerial();
}
if (millis() > timeMQTT) {
timeMQTT += MQTT_DELAY;
if (lenMQTT > 0) releaseMQTT();
}
if (millis() > timeLORA) {
timeLORA += LORA_DELAY;
if (lenLORA > 0) releaseLoRa();
}
while (Serial.available()) {
getSerial();
}
#ifdef USE_LORA
int packetSize = LoRa.parsePacket();
if (packetSize)
{
LoRa.readBytes((uint8_t *)&theData, packetSize);
ln = packetSize;
newData = 6;
}
#endif
#ifdef USE_WIFI
if (!client.connected()) {
reconnect();
}
client.loop();
#endif
if (newData) {
switch (newData) {
case 1: //ESP-NOW #1
ESPNOW1_ACT
break;
case 2: //ESP-NOW #2
ESPNOW2_ACT
break;
case 3: //ESP-NOW General
ESPNOWG_ACT
break;
case 4: //Serial
SERIAL_ACT
break;
case 5: //MQTT
MQTT_ACT
break;
case 6: //LoRa
LORA_ACT
break;
}
newData = 0;
}
}

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// FARM DATA RELAY SYSTEM
//
// GATEWAY 2.000 Configuration
#define UNIT_MAC 0x00 // THIS UNIT
#define ESPNOW1_MAC 0x01 // ESPNOW1 Address
#define ESPNOW2_MAC 0x01 // ESPNOW2 Address
//Actions -- Define what happens when a packet arrives at each interface:
//Current function options are: sendESPNOW(interface), sendSerial(), sendMQTT(), and sendLoRa().
#define ESPNOW1_ACT sendSerial();
#define ESPNOW2_ACT sendSerial();
#define ESPNOWG_ACT sendSerial();
#define SERIAL_ACT sendESPNOW(0);
#define MQTT_ACT sendSerial();
#define LORA_ACT sendSerial();
//ESP32 Only
#define RXD2 21
#define TXD2 22
//#define USE_WIFI //You should not use ESP-NOW while WiFi is in use
#define WIFI_NET "Your SSID"
#define WIFI_PASS "Password"
#define MQTT_ADDR "192.168.0.8"
//#define USE_LORA
#define SCK 5
#define MISO 19
#define MOSI 27
#define SS 18
#define RST 14
#define DIO0 26
//433E6 for Asia
//866E6 for Europe
//915E6 for North America
#define BAND 915E6
#define ESPNOW1_DELAY 0
#define ESPNOW2_DELAY 0
#define ESPNOWG_DELAY 0
#define SERIAL_DELAY 0
#define MQTT_DELAY 0
#define LORA_DELAY 0
//Use these settings for a gateway that recieves ESP-NOW data and sends serial (UART).
//#define ESPNOW1_ACT sendSerial();
//#define ESPNOW2_ACT sendSerial();
//#define ESPNOWG_ACT sendSerial();
//#define SERIAL_ACT sendESPNOW(0);
//#define MQTT_ACT sendSerial();
//#define LORA_ACT sendSerial();
//Use these settings for a gateway that recieves serial (UART) data and sends MQTT.
//#define USE_WIFI
//#define ESPNOW1_ACT
//#define ESPNOW2_ACT
//#define ESPNOWG_ACT
//#define SERIAL_ACT sendMQTT();
//#define MQTT_ACT sendSerial();
//#define LORA_ACT sendSerial();
//Use these settings for a basic repeater addressed to the final gateway.
//#define UNIT_MAC 0x01 // THIS UNIT
//#define ESPNOW1_MAC 0x00 // ESPNOW1 Address
//#define ESPNOW2_MAC 0x02 // ESPNOW2 Address
//#define ESPNOW1_ACT sendESPNOW(2);
//#define ESPNOW2_ACT sendESPNOW(1);
//#define ESPNOWG_ACT sendESPNOW(1);
//#define SERIAL_ACT
//#define MQTT_ACT
//#define LORA_ACT

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const uint8_t espnow_size = 250 / sizeof(DataReading);
const uint8_t lora_size = 256 / sizeof(DataReading);
uint8_t broadcast_mac[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
uint8_t ESPNOW1[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, ESPNOW1_MAC};
uint8_t selfAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, UNIT_MAC};
uint8_t ESPNOW2[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, ESPNOW2_MAC};
uint8_t incMAC[6];
DataReading theData[256];
uint8_t ln;
uint8_t newData = 0;
DataReading bufferESPNOW1[256];
uint8_t lenESPNOW1 = 0;
uint32_t timeESPNOW1 = 0;
DataReading bufferESPNOW2[256];
uint8_t lenESPNOW2 = 0;
uint32_t timeESPNOW2 = 0;
DataReading bufferESPNOWG[256];
uint8_t lenESPNOWG = 0;
uint32_t timeESPNOWG = 0;
DataReading bufferSERIAL[256];
uint8_t lenSERIAL = 0;
uint32_t timeSERIAL = 0;
DataReading bufferMQTT[256];
uint8_t lenMQTT = 0;
uint32_t timeMQTT = 0;
DataReading bufferLORA[256];
uint8_t lenLORA = 0;
uint32_t timeLORA = 0;
WiFiClient espClient;
PubSubClient client(espClient);
// Set ESP-NOW send and receive callbacks for either ESP8266 or ESP32
#if defined(ESP8266)
void OnDataSent(uint8_t *mac_addr, uint8_t sendStatus) {
}
void OnDataRecv(uint8_t* mac, uint8_t *incomingData, uint8_t len) {
#elif defined(ESP32)
void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
}
void OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len) {
#endif
memcpy(&theData, incomingData, sizeof(theData));
memcpy(&incMAC, mac, sizeof(incMAC));
if (memcmp(&incMAC, &ESPNOW1, 6) == 0) newData = 1;
else if (memcmp(&incMAC, &ESPNOW2, 6) == 0) newData = 2;
else newData = 3;
ln = len / sizeof(DataReading);
Serial.println("RCV:" + String(ln));
}
void getSerial() {
String incomingString = Serial.readStringUntil('\n');
DynamicJsonDocument doc(24576);
DeserializationError error = deserializeJson(doc, incomingString);
if (error) { // Test if parsing succeeds.
Serial.println("parse err");
return;
} else {
int s = doc.size();
//Serial.println(s);
for (int i = 0; i < s; i++) {
theData[i].id = doc[i]["id"];
theData[i].t = doc[i]["type"];
theData[i].d = doc[i]["data"];
}
ln = s;
newData = 4;
}
}
void mqtt_callback(char* topic, byte * message, unsigned int length) {
String incomingString;
for (int i = 0; i < length; i++) {
incomingString += (char)message[i];
}
StaticJsonDocument<2048> doc;
DeserializationError error = deserializeJson(doc, incomingString);
if (error) { // Test if parsing succeeds.
//Serial.println("parse err");
return;
} else {
int s = doc.size();
//Serial.println(s);
for (int i = 0; i < s; i++) {
theData[i].id = doc[i]["id"];
theData[i].t = doc[i]["type"];
theData[i].d = doc[i]["data"];
}
ln = s;
newData = 5;
}
}
#ifdef USE_LORA
void getLoRa() {
int packetSize = LoRa.parsePacket();
if (packetSize)
{
LoRa.readBytes((uint8_t *)&theData, packetSize);
ln = packetSize / sizeof(DataReading);
newData = 6;
}
}
#endif
void sendESPNOW(uint8_t interface) {
switch (interface) {
case 0:
for (int i = 0; i < ln; i++) {
bufferESPNOWG[lenESPNOWG + i] = theData[i];
}
lenESPNOWG += ln;
break;
case 1:
for (int i = 0; i < ln; i++) {
bufferESPNOW1[lenESPNOW1 + i] = theData[i];
}
lenESPNOW1 += ln;
break;
case 2:
for (int i = 0; i < ln; i++) {
bufferESPNOW2[lenESPNOW2 + i] = theData[i];
}
lenESPNOW2 += ln;
break;
}
}
void sendSerial() {
for (int i = 0; i < ln; i++) {
bufferSERIAL[lenSERIAL + i] = theData[i];
}
lenSERIAL += ln;
Serial.println("SENDSERIAL:" + String(lenSERIAL)+" ");
}
void sendMQTT() {
for (int i = 0; i < ln; i++) {
bufferMQTT[lenMQTT + i] = theData[i];
}
lenMQTT += ln;
}
void sendLoRa() {
for (int i = 0; i < ln; i++) {
bufferLORA[lenLORA + i] = theData[i];
}
lenLORA += ln;
}
void releaseESPNOW(uint8_t interface) {
switch (interface) {
case 0:
{
DataReading thePacket[espnow_size];
int j = 0;
for (int i = 0; i < lenESPNOWG; i++) {
if ( j > 250 / sizeof(DataReading)) {
j = 0;
esp_now_send(broadcast_mac, (uint8_t *) &thePacket, sizeof(thePacket));
}
thePacket[j] = bufferESPNOWG[i];
j++;
}
esp_now_send(broadcast_mac, (uint8_t *) &thePacket, j * sizeof(DataReading));
lenESPNOWG = 0;
break;
}
case 1:
{
DataReading thePacket[espnow_size];
int j = 0;
for (int i = 0; i < lenESPNOW1; i++) {
if ( j > 250 / sizeof(DataReading)) {
j = 0;
esp_now_send(ESPNOW1, (uint8_t *) &thePacket, sizeof(thePacket));
}
thePacket[j] = bufferESPNOW1[i];
j++;
}
esp_now_send(ESPNOW1, (uint8_t *) &thePacket, j * sizeof(DataReading));
lenESPNOW1 = 0;
break;
}
case 2:
{
DataReading thePacket[espnow_size];
int j = 0;
for (int i = 0; i < lenESPNOW2; i++) {
if ( j > 250 / sizeof(DataReading)) {
j = 0;
esp_now_send(ESPNOW2, (uint8_t *) &thePacket, sizeof(thePacket));
}
thePacket[j] = bufferESPNOW2[i];
j++;
}
esp_now_send(ESPNOW2, (uint8_t *) &thePacket, j * sizeof(DataReading));
lenESPNOW2 = 0;
break;
}
}
}
void releaseSerial() {
//DynamicJsonDocument doc(24576);
StaticJsonDocument<2048> doc;
for (int i = 0; i < lenSERIAL; i++) {
doc[i]["id"] = bufferSERIAL[i].id;
doc[i]["type"] = bufferSERIAL[i].t;
doc[i]["data"] = bufferSERIAL[i].d;
}
serializeJson(doc, Serial);
Serial.println();
lenSERIAL = 0;
}
void releaseMQTT() {
#ifdef USE_WIFI
DynamicJsonDocument doc(24576);
for (int i = 0; i < lenMQTT; i++) {
doc[i]["id"] = bufferMQTT[i].id;
doc[i]["type"] = bufferMQTT[i].t;
doc[i]["data"] = bufferMQTT[i].d;
}
String outgoingString;
serializeJson(doc, outgoingString);
client.publish("esp/fdrs", (char*) outgoingString.c_str());
lenMQTT = 0;
#endif
}
void releaseLoRa() {
#ifdef USE_LORA
DataReading thePacket[lora_size];
int j = 0;
for (int i = 0; i < lenLORA); i++) {
if ( j > lora_size)) {
j = 0;
LoRa.beginPacket();
LoRa.write((uint8_t*)&thePacket, j * sizeof(DataReading));
LoRa.endPacket();
}
thePacket[j] = bufferLORA[i];
j++;
}
LoRa.beginPacket();
LoRa.write((uint8_t*)&thePacket, j * sizeof(DataReading));
LoRa.endPacket();
lenLORA = 0;
#endif
}
void reconnect() {
// Loop until reconnected
while (!client.connected()) {
// Attempt to connect
if (client.connect("FDRS_GATEWAY")) {
// Subscribe
client.subscribe("esp/fdrs");
} else {
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void begin_espnow() {
WiFi.mode(WIFI_STA);
WiFi.disconnect();
// Init ESP-NOW for either ESP8266 or ESP32 and set MAC address
#if defined(ESP8266)
wifi_set_macaddr(STATION_IF, selfAddress);
if (esp_now_init() != 0) {
return;
}
esp_now_set_self_role(ESP_NOW_ROLE_COMBO);
esp_now_register_send_cb(OnDataSent);
esp_now_register_recv_cb(OnDataRecv);
// Register peers
esp_now_add_peer(ESPNOW1, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
esp_now_add_peer(ESPNOW2, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
#elif defined(ESP32)
esp_wifi_set_mac(WIFI_IF_STA, &selfAddress[0]);
if (esp_now_init() != ESP_OK) {
Serial.println("Error initializing ESP-NOW");
return;
}
esp_now_register_send_cb(OnDataSent);
esp_now_register_recv_cb(OnDataRecv);
esp_now_peer_info_t peerInfo;
peerInfo.channel = 0;
peerInfo.encrypt = false;
// Register first peer
memcpy(peerInfo.peer_addr, ESPNOW1, 6);
if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
memcpy(peerInfo.peer_addr, ESPNOW2, 6);
if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
memcpy(peerInfo.peer_addr, broadcast_mac, 6);
if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
#endif
}
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