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68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
// FARM DATA RELAY SYSTEM
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//
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// CAPACITIVE SOIL MOISTURE SENSOR 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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// Each reading is assigned a two-byte identifier along with a one-byte sensor type
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//
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#define READING_ID 51 //Unique integer for each data reading
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#define GTWY_MAC 0x00 //Gateway MAC
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#define SLEEPYTIME 60 //Time to sleep in seconds
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#define CALIBRATION_MODE 0
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#define CALIB_H 285
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#define CALIB_L 485
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#include <ESP8266WiFi.h>
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#include <espnow.h>
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#include "DataReading.h"
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uint8_t broadcastAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, GTWY_MAC};
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void OnDataSent(uint8_t *mac_addr, uint8_t sendStatus) {
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Serial.print("Last Packet Send Status: ");
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if (sendStatus == 0) {
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Serial.println("Delivery success");
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}
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else {
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Serial.println("Delivery fail");
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}
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ESP.deepSleep(30e6);
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}
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void setup() {
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Serial.begin(115200);
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WiFi.mode(WIFI_STA);
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if (esp_now_init() != 0) {
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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_set_self_role(ESP_NOW_ROLE_COMBO);
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esp_now_register_send_cb(OnDataSent);
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// Register peer
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esp_now_add_peer(broadcastAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
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loadData();
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}
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void loop() {
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}
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void loadData() {
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uint16_t s = analogRead(0);
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if (!CALIBRATION_MODE) {
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if (s < CALIB_H) s = CALIB_H;
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if (s > CALIB_L) s = CALIB_L;
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s = map(s, CALIB_H, CALIB_L, 100, 0);
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}
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Serial.println();
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Serial.println(s);
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DataReading Soil;
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Soil.d = s;
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Soil.id = READING_ID;
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Soil.t = 5;
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DataReading thePacket[1];
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thePacket[0] = Soil;
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esp_now_send(broadcastAddress, (uint8_t *) &thePacket, sizeof(thePacket));
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}
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