initial

main/kartReciever.cpp

@@ -0,0 +1,43 @@
+#include "kartReciever.hpp"
+
+#include <esp_now.h>
+#include <esp_wifi.h>
+
+#include "WiFi.h"
+kartReceiver kart_receiver;
+static kart_msg rcv_msg;
+static void (*onReceiveCallback)(kart_msg *message) = nullptr;
+
+static void OnDataRecv(const esp_now_recv_info_t *esp_now_info, const uint8_t *data, int data_len) {
+    // todo rssi filtering
+    memcpy(&rcv_msg, data, sizeof(kart_msg));
+    // Serial.print("Bytes received: ");
+    // Serial.println(data_len);
+    if (onReceiveCallback) {
+        onReceiveCallback(&rcv_msg);
+    }
+}
+
+void kartReceiver::init() {
+}
+bool kartReceiver::begin() {
+    WiFi.disconnect();
+    WiFi.mode(WIFI_STA);
+    if (esp_now_init() != ESP_OK) {
+        Serial.println("Error initializing ESP-NOW");
+        return false;
+    }
+    esp_now_register_recv_cb(OnDataRecv);
+    run_status = true;
+    return true;
+}
+void kartReceiver::end() {
+    esp_now_deinit();
+    run_status = false;
+}
+bool kartReceiver::isBegin() {
+    return run_status;
+}
+void kartReceiver::registerCallback(void (*onReceiveCallback_)(kart_msg *message)) {
+    onReceiveCallback = onReceiveCallback_;
+}