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99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#include <Arduino.h>
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#include <esp_now.h>
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#include "WiFi.h"
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#include "observations.h"
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#include <stdlib.h>
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#include <time.h>
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const int timeBetweenBroadcasts = 150 * 1000;
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uint8_t broadcastAddress[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
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void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
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Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success 1" : "Delivery Fail 1");
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if (status ==0){
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Serial.println("Delivery Success 2");
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}
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else{
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Serial.println("Delivery fail 2");
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}
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Serial.println();
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}
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void setup()
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{
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// Seed random number generator
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randomSeed(analogRead(26));
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// 2700451
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// 5827809
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Serial.begin(115200);
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Serial.println("Starting...\n");
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// Set device as a Wi-Fi Station
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WiFi.mode(WIFI_STA);
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Serial.println(WiFi.macAddress());
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// Init ESP-NOW
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if (esp_now_init() != ESP_OK) {
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Serial.println("Error initializing ESP-NOW");
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for(;;) { delay(1); } // do not initialize wait forever
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}
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Serial.println("initialized ESP-NOW");
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// Once ESPNow is successfully Init, we will register for Send CB to
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// get the status of Trasnmitted packet
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esp_now_register_send_cb(OnDataSent);
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// Register peer
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esp_now_peer_info_t peerInfo;
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memset(&peerInfo, 0, sizeof(peerInfo));
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memcpy(peerInfo.peer_addr, broadcastAddress, 6);
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peerInfo.channel = 0;
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peerInfo.encrypt = false;
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// Add peer
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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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for(;;) { delay(1); } // do not initialize wait forever
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}
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delay(10 * 1000);
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}
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float pickedObservation[observationFeatureCount];
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const int datasize=observationFeatureCount*sizeof(float);
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unsigned int pickedIndex;
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void loop()
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{
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pickedIndex = random(observationCount);
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Serial.print("Picked index ");
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Serial.print(pickedIndex);
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Serial.println();
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// Fix. Less ugly way of copying?
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for (int i=0; i < observationFeatureCount; i++) {
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pickedObservation[i] = observations[pickedIndex][i];
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Serial.println(pickedObservation[i]);
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}
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//pickedObservation[4] = observations[pickedIndex];
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// Send message via ESP-NOW (size of an int is 4 bytes on ESP32)
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esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) pickedObservation, datasize);
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if (result == ESP_OK) {
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Serial.println("Sent observation with success");
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}
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else {
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Serial.println("Error sending the data");
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}
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Serial.println(WiFi.macAddress());
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delay(timeBetweenBroadcasts);
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}
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