ESPNow docs and problems with antenna

This commit is contained in:
2025-02-18 14:59:26 +01:00
parent 9e6ced19f9
commit 67b283ef3b
3 changed files with 263 additions and 5 deletions

View File

@@ -1,23 +1,79 @@
#include <Arduino.h>
#include <WiFi.h>
#include <esp_now.h>
// declarations
int normalizePot(int pin, int minValue);
int mapPot(int normalizedValue);
// constants
const int potPin1 = 0;
const int POTPIN1 = 2;
const int MAXPWMVALUE = 1400;
const int MINPWMVALUE = 2000;
const uint8_t broadcastAddress[] = {0x8C, 0xBF, 0xEA, 0xCC, 0x8E, 0x5C};
//Define the struct that will be sent
typedef struct struct_message {
int PWMCH1;
int PWMCH2;
int PWMCH3;
int PWMCH4;
} struct_message;
struct_message myData; //declare the struct as myData
esp_now_peer_info_t peerInfo; //create a class object of the ESPNow class
void setup()
{
// Set device as a Wi-Fi Station
WiFi.mode(WIFI_STA);
// Init ESP-NOW
if (esp_now_init() != ESP_OK) {
Serial.println("Error initializing ESP-NOW");
return;
}
// Register peer
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");
return;
}
Serial.begin(9600);
pinMode(potPin1, INPUT);
pinMode(POTPIN1, INPUT);
}
void loop()
{
Serial.println(mapPot(normalizePot(POTPIN1, 80))); //call normalizePot and put the output into mapPot then print it
Serial.println(normalizePot(potPin1, 80));
// Set values to send
myData.PWMCH1 = mapPot(normalizePot(POTPIN1, 80));
myData.PWMCH2 = 1000; //test values
myData.PWMCH3 = 1000;
myData.PWMCH4 = 1000;
// Send message via ESP-NOW
esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
if (result == ESP_OK) {
Serial.println("Sent with success");
}
else {
Serial.println("Error sending the data");
}
}
int normalizePot(int pin, int minValue)
int mapPot(int normalizedValue){
return map(normalizedValue, 80, 4095, MINPWMVALUE, MAXPWMVALUE); //map the normalized value to the PWM range
}
int normalizePot(int pin, int minValue) //normalize the pot value to a range of 80 to 4095 instead of 0 to 4095 because the potmeter is at lower values not accurate
{
int pot = analogRead(pin);