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99 lines
2.5 KiB
Arduino

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