remote control

Author: gbr1

examples/drive/drive.ino

@@ -0,0 +1,25 @@
+/*
+    This file is part of the Arduino_Alvik library.
+
+    Copyright (c) 2024 Arduino SA
+
+    This Source Code Form is subject to the terms of the Mozilla Public
+    License, v. 2.0. If a copy of the MPL was not distributed with this
+    file, You can obtain one at http://mozilla.org/MPL/2.0/.
+    
+*/
+
+#include "Arduino_Alvik.h"
+
+Arduino_Alvik alvik;
+
+void setup() {
+  alvik.begin();
+}
+
+void loop() {
+  alvik.drive(10, 45);
+  delay(10000);
+  alvik.drive(10, -45);
+  delay(10000);
+}

examples/remote_control/remote_control.ino

@@ -0,0 +1,122 @@
+/*
+    This file is part of the Arduino_Alvik library.
+
+    Copyright (c) 2024 Arduino SA
+
+    This Source Code Form is subject to the terms of the Mozilla Public
+    License, v. 2.0. If a copy of the MPL was not distributed with this
+    file, You can obtain one at http://mozilla.org/MPL/2.0/.
+    
+*/
+
+// This example shows how to interface 2 Alvik robots via ESPnow.
+// At startup, you can select if an Alvik is a trasmitter by pressing the "check button" or a receiver by pressing "cancel button". Use arrows to move the robot.
+
+#include "Arduino_Alvik.h"
+#include <esp_now.h>
+#include <WiFi.h>
+
+Arduino_Alvik alvik;
+
+uint8_t broadcastAddress[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+uint8_t myData;
+esp_now_peer_info_t peerInfo;
+
+
+int alvik_mode = -1; // 0 is receiver, 1 is sender
+
+bool led_blink = false;
+
+
+void setup() {
+  Serial.begin(115200);
+  while((!Serial)&&(millis()>3000));
+
+  alvik.begin();
+
+  WiFi.mode(WIFI_STA);
+  if (esp_now_init() != ESP_OK) {
+    Serial.println("Error initializing ESP-NOW");
+    return;
+  }
+
+  while (alvik_mode == -1){
+    if (alvik.get_touch_cancel()){
+      alvik_mode = 0;
+    }
+    if (alvik.get_touch_ok()){
+      alvik_mode = 1;
+    }
+  }
+  if (alvik_mode == 0){
+    esp_now_register_recv_cb(OnDataRecv);
+  }
+  else{
+    memcpy(peerInfo.peer_addr, broadcastAddress, 6);
+    peerInfo.channel = 0;  
+    peerInfo.encrypt = false;
+  
+    if (esp_now_add_peer(&peerInfo) != ESP_OK){
+      Serial.println("Failed to add peer");
+      return;
+    }
+  }
+}
+
+void loop() {
+  if (alvik_mode==0){
+    alvik.left_led.set_color(led_blink, !led_blink, 0);
+    alvik.right_led.set_color(!led_blink, led_blink, 0);
+    delay(500);
+  }
+  else{
+    if (alvik.get_touch_any()){
+      if (alvik.get_touch_up()){
+        myData = 'F';
+        esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
+      }
+      if (alvik.get_touch_down()){
+        myData = 'B';
+        esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
+      }
+      if (alvik.get_touch_left()){
+        myData = 'L';
+        esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
+      }
+      if (alvik.get_touch_right()){
+        myData = 'R';
+        esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
+      }
+      if (alvik.get_touch_center()){
+        myData = 'S';
+        esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
+      }
+    }
+    alvik.left_led.set_color(0, 0, led_blink);
+    alvik.right_led.set_color(0, 0, led_blink);
+    delay(100);
+  }
+  led_blink = !led_blink;
+}
+
+void OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len){
+  Serial.print(incomingData[0]);
+  switch (incomingData[0]){
+    case 'F':
+      alvik.drive(7, 0);
+      break;
+    case 'B':
+      alvik.drive(-7, 0);
+      break;
+    case 'L':
+      alvik.drive(0, 45);
+      break;
+    case 'R':
+      alvik.drive(0, -45);
+      break;
+    case 'S':
+      alvik.brake();
+      break;
+  }
+  Serial.println();
+}