Farm-Data-Relay-System/FDRS_Sensor2000/fdrs_sensor.h
2021-12-18 14:46:02 -06:00

77 lines
1.9 KiB
C

// FARM DATA RELAY SYSTEM
//
// "fdrs_sensor.h"
//
// Developed by Timm Bogner (bogner1@gmail.com) for Sola Gratia Farm in Urbana, Illinois, USA.
//
#define READING_ID 57 //Unique ID for controller
#define GTWY_MAC 0x00 //Gateway MAC
#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 <ArduinoJson.h>
#include <PubSubClient.h>
#include <LoRa.h>
typedef struct DataReading {
float d;
uint16_t id;
uint8_t t;
} DataReading;
const uint16_t espnow_size = 250 / sizeof(DataReading);
uint8_t gatewayAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, GTWY_MAC};
uint32_t wait_time = 0;
DataReading fdrsData[espnow_size];
uint8_t data_count = 0;
void beginFDRS() {
WiFi.mode(WIFI_STA);
WiFi.disconnect();
// Init ESP-NOW for either ESP8266 or ESP32 and set MAC address
#if defined(ESP8266)
if (esp_now_init() != 0) {
return;
}
esp_now_set_self_role(ESP_NOW_ROLE_COMBO);
// Register peers
esp_now_add_peer(gatewayAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
#elif defined(ESP32)
if (esp_now_init() != ESP_OK) {
Serial.println("Error initializing ESP-NOW");
return;
}
esp_now_peer_info_t peerInfo;
peerInfo.ifidx = WIFI_IF_STA;
peerInfo.channel = 0;
peerInfo.encrypt = false;
// Register first peer
memcpy(peerInfo.peer_addr, gatewayAddress, 6);
if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
#endif
}
void sendFDRS() {
esp_now_send(gatewayAddress, (uint8_t *) &fdrsData, data_count * sizeof(DataReading));
data_count = 0;
}
void loadFDRS(float d, uint8_t t) {
if (data_count > espnow_size) sendFDRS();
DataReading dr;
dr.id = READING_ID;
dr.t = t;
dr.d = d;
fdrsData[data_count] = dr;
data_count++;
}