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77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
3 years ago
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// FARM DATA RELAY SYSTEM
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//
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// "fdrs_sensor.h"
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//
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// Developed by Timm Bogner (bogner1@gmail.com) for Sola Gratia Farm in Urbana, Illinois, USA.
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//
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#define READING_ID 57 //Unique ID for controller
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#define GTWY_MAC 0x00 //Gateway MAC
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#if defined(ESP8266)
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#include <ESP8266WiFi.h>
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#include <espnow.h>
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#elif defined(ESP32)
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#include <esp_now.h>
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#include <WiFi.h>
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#include <esp_wifi.h>
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#endif
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#include <ArduinoJson.h>
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#include <PubSubClient.h>
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#include <LoRa.h>
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typedef struct DataReading {
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float d;
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uint16_t id;
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uint8_t t;
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} DataReading;
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const uint16_t espnow_size = 250 / sizeof(DataReading);
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uint8_t gatewayAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, GTWY_MAC};
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uint32_t wait_time = 0;
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DataReading fdrsData[espnow_size];
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uint8_t data_count = 0;
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void beginFDRS() {
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WiFi.mode(WIFI_STA);
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WiFi.disconnect();
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// Init ESP-NOW for either ESP8266 or ESP32 and set MAC address
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#if defined(ESP8266)
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if (esp_now_init() != 0) {
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return;
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}
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esp_now_set_self_role(ESP_NOW_ROLE_COMBO);
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// Register peers
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esp_now_add_peer(gatewayAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
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#elif defined(ESP32)
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if (esp_now_init() != ESP_OK) {
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Serial.println("Error initializing ESP-NOW");
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return;
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}
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esp_now_peer_info_t peerInfo;
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peerInfo.ifidx = WIFI_IF_STA;
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peerInfo.channel = 0;
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peerInfo.encrypt = false;
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// Register first peer
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memcpy(peerInfo.peer_addr, gatewayAddress, 6);
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if (esp_now_add_peer(&peerInfo) != ESP_OK) {
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Serial.println("Failed to add peer");
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return;
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}
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#endif
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}
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void sendFDRS() {
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esp_now_send(gatewayAddress, (uint8_t *) &fdrsData, data_count * sizeof(DataReading));
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data_count = 0;
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}
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void loadFDRS(float d, uint8_t t) {
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if (data_count > espnow_size) sendFDRS();
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DataReading dr;
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dr.id = READING_ID;
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dr.t = t;
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dr.d = d;
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fdrsData[data_count] = dr;
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data_count++;
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}
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