24 lines
440 B
C++
24 lines
440 B
C++
#include <esp_now.h>
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#include <WiFi.h>
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#define LED_PIN 2
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void OnDataRecv(const uint8_t *mac, const uint8_t *incomingData, int len) {
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digitalWrite(LED_PIN, *incomingData);
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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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pinMode(LED_PIN, OUTPUT);
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if (esp_now_init() != ESP_OK) {
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Serial.println("Error initializing ESP-NOW");
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return;
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}
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uint8_t esp_now_register_recv_cb(OnDataRecv);
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}
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void loop() {
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} |