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75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
// FARM DATA RELAY SYSTEM
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//
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// GATEWAY MODULE
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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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// Setup instructions located in the "fdrs_config.h" file.
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#include <ESP8266WiFi.h>
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#include <espnow.h>
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#include "fdrs_config.h"
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#include <ArduinoJson.h>
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uint8_t prevAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, PREV_MAC};
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uint8_t selfAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, UNIT_MAC};
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typedef struct DataReading {
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float t;
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float h;
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byte n;
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byte d;
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} DataReading;
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DataReading theData[6];
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bool newData = false;
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void encodeJSON() {
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StaticJsonDocument<512> doc;
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for (int i = 0; i < 6; i++) {
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doc[i]["id0"] = theData[i].n;
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doc[i]["id1"] = theData[i].d;
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doc[i]["data0"] = theData[i].t;
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doc[i]["data1"] = theData[i].h;
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}
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serializeJson(doc, Serial);
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}
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void OnDataSent(uint8_t *mac_addr, uint8_t sendStatus) {
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if (sendStatus == 0) {
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}
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else {
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}
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}
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void OnDataRecv(uint8_t* mac, uint8_t *incomingData, uint8_t len) {
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memcpy(&theData, incomingData, sizeof(theData));
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newData = true;
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}
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void setup() {
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// Init Serial Monitor
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Serial.begin(115200);
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// Init WiFi and set MAC address
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WiFi.mode(WIFI_STA);
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WiFi.disconnect();
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wifi_set_macaddr(STATION_IF, selfAddress);
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// Init ESP-NOW
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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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esp_now_register_send_cb(OnDataSent);
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esp_now_register_recv_cb(OnDataRecv);
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// Register peer
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esp_now_add_peer(prevAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
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}
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void loop() {
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if (newData) {
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newData = false;
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encodeJSON();
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}
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}
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