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Timm Bogner 2022-02-01 21:38:30 -06:00 committed by GitHub
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commit e3c2a7142b
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Controllers/Relay_8266/Relay_8266.ino
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// FARM DATA RELAY SYSTEM
//
// Electronic Relay Controller
//
// Developed by Timm Bogner (bogner1@gmail.com) for Sola Gratia Farm in Urbana, Illinois, USA.
//
//
#define CONTROLLER_ID 100 //Unique ID (0 - 255) for controller
#define UNIT_MAC 0x15 //Unit Address
#define TERM_MAC 0x00 //Terminal MAC
#define UPDATE_TIME 360 //Time in seconds between status update packets
#define COIL_PIN 5
#include <ESP8266WiFi.h>
#include <espnow.h>
uint8_t broadcastAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, TERM_MAC};
uint8_t selfAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, UNIT_MAC};
typedef struct DataReading {
float d;
uint16_t id;
uint8_t t;
} DataReading;
DataReading theCMD;
bool control_state = false;
bool connection_state = false;
bool newData = false;
unsigned long wait_time = 0;
void OnDataSent(uint8_t *mac_addr, uint8_t sendStatus) {
Serial.print("Last Packet Send Status: ");
if (sendStatus == 0) {
Serial.println("Delivery success");
connection_state = true;
}
else {
Serial.println("Delivery fail");
connection_state = false;
}
}
void OnDataRecv(uint8_t* mac, uint8_t *incomingData, uint8_t len) {
memcpy(&theCMD, incomingData, sizeof(theCMD));
if (theCMD.id == CONTROLLER_ID) {
control_state = (bool)theCMD.d;
}
newData = true;
connection_state = true;
}
void sayHello() {
DataReading Packet;
Packet.id = CONTROLLER_ID;
Packet.t = 200;
Packet.d = (float)control_state;
esp_now_send(broadcastAddress, (uint8_t *) &Packet, sizeof(DataReading));
}
void setup() {
pinMode(COIL_PIN, OUTPUT);
digitalWrite(COIL_PIN, LOW);
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.disconnect();
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 peer
esp_now_add_peer(broadcastAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
Serial.println("FARM DATA RELAY SYSTEM :: Irrigation Module");
Serial.println("MAC:" + WiFi.macAddress());
}
void loop() {
if (millis() > wait_time) {
wait_time = wait_time + (UPDATE_TIME * 1000);
sayHello();
}
if (!connection_state) control_state = false;
if (control_state) {
digitalWrite(COIL_PIN, HIGH);
} else {
digitalWrite(COIL_PIN, LOW);
}
if (newData) {
Serial.println("DATA");
newData = false;
}
}