From 65e45bd7c3946a2554b212a34a6842fdf785f7d3 Mon Sep 17 00:00:00 2001
From: Adema <h.adema@rug.nl>
Date: Wed, 19 Mar 2025 20:40:23 +0100
Subject: [PATCH] Upload files to "espnow_receiver_code"

---
 espnow_receiver_code/espnow_receiver_code.ino | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 espnow_receiver_code/espnow_receiver_code.ino

diff --git a/espnow_receiver_code/espnow_receiver_code.ino b/espnow_receiver_code/espnow_receiver_code.ino
new file mode 100644
index 0000000..c9bba32
--- /dev/null
+++ b/espnow_receiver_code/espnow_receiver_code.ino
@@ -0,0 +1,38 @@
+#include <esp_now.h>
+#include <WiFi.h>
+
+// Structure to receive data
+typedef struct struct_message {
+    int a0;
+    int a1;
+    int a2;
+} struct_message;
+
+// Create a struct_message instance
+struct_message myData;
+
+// Callback function when data is received
+void OnDataRecv(const uint8_t *mac, const uint8_t *incomingData, int len) {
+    memcpy(&myData, incomingData, sizeof(myData));
+    Serial.printf("%lu Analog_in A0: %4d, A1: %4d, A2: %4d\n", micros(), myData.a0, myData.a1, myData.a2);
+}
+
+void setup() {
+    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;
+    }
+
+    // Register callback function to receive data
+    esp_now_register_recv_cb(OnDataRecv);
+}
+
+void loop() {
+    // Data is received via callback, nothing needed here
+}