ESP_NOW POC

ESP32/ESP_NOW/ESP_NOW_RECIVCER_test/ESP_NOW_RECIVCER_test.ino

@@ -0,0 +1,62 @@
+
+#include <esp_now.h>
+#include <WiFi.h>
+
+#define ONBOARD_LED      2     //GPIO02    D2
+
+// Structure example to receive data
+// Must match the sender structure
+typedef struct struct_message {
+    char a[32];
+    int b;
+    float c;
+    bool led;
+} struct_message;
+
+// Create a struct_message called myData
+struct_message myData;
+
+// callback function that will be executed when data is received
+void OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len) {
+  memcpy(&myData, incomingData, sizeof(myData));
+  Serial.print("Bytes received: ");
+  Serial.println(len);
+  Serial.print("Char: ");
+  Serial.println(myData.a);
+  Serial.print("Int: ");
+  Serial.println(myData.b);
+  Serial.print("Float: ");
+  Serial.println(myData.c);
+  Serial.print("Bool: ");
+  Serial.println(myData.led);
+  Serial.println();
+}
+ 
+void setup() {
+  // Initialize Serial Monitor
+  Serial.begin(115200);
+  
+  // 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;
+  }
+  
+  // Once ESPNow is successfully Init, we will register for recv CB to
+  // get recv packer info
+  esp_now_register_recv_cb(esp_now_recv_cb_t(OnDataRecv));
+  pinMode(ONBOARD_LED, OUTPUT);
+
+}
+ 
+void loop() {
+ if (myData.led == true){
+      digitalWrite(ONBOARD_LED, HIGH);
+ } else {
+      digitalWrite(ONBOARD_LED, LOW);
+ }
+ delay(10);
+}