mirror of
https://github.com/playfultechnology/esp32-eyes.git
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17412d86cc
Added ability to override "random" look, blink, and behaviour change operation, so that look direction and blink can be set with, e.g. a joystick control.
138 lines
4.0 KiB
C++
138 lines
4.0 KiB
C++
/***************************************************
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Copyright (c) 2020 Luis Llamas
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(www.luisllamas.es)
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This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License along with this program. If not, see <http://www.gnu.org/licenses
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****************************************************/
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// INCLUDES
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// Built-in Arduino I2C library
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#include <Wire.h>
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// Defines all face functionality
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#include "Face.h"
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// CONSTANTS
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const byte blinkPin = 16;
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// GLOBALS
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Face *face;
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String emotionName[] = {
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"Normal",
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"Angry",
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"Glee",
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"Happy",
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"Sad",
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"Worried",
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"Focused",
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"Annoyed",
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"Surprised",
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"Skeptic",
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"Frustrated",
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"Unimpressed",
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"Sleepy",
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"Suspicious",
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"Squint",
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"Furious",
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"Scared",
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"Awe"
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};
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void setup(void) {
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// Create a serial connection
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Serial.begin(115200);
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Serial.println(__FILE__ __DATE__);
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pinMode(blinkPin, INPUT_PULLUP);
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// Create a new face
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face = new Face(/* screenWidth = */ 128, /* screenHeight = */ 64, /* eyeSize = */ 40);
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// Assign the current expression
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face->Expression.GoTo_Normal();
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// Assign a weight to each emotion that can be chosen
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face->Behavior.SetEmotion(eEmotions::Normal, 1.0);
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//face->Behavior.SetEmotion(eEmotions::Angry, 1.0);
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//face->Behavior.SetEmotion(eEmotions::Sad, 1.0);
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// Automatically select a random behaviour (based on the weight assigned to each emotion)
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face->RandomBehavior = true;
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// Automatically blink
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face->RandomBlink = true;
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// Set blink rate
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face->Blink.Timer.SetIntervalMillis(4000);
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//face->Blink.Timer.Stop();
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// Automatically choose a new random direction to look
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face->RandomLook = true;
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}
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float mapFloat(float x, float in_min, float in_max, float out_min, float out_max) {
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// Check if x is outside the input range
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if (x <= in_min) return out_min;
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if (x >= in_max) return out_max;
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// Calculate the proportion of x relative to the input range
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float proportion = (x - in_min) / (in_max - in_min);
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// Map the proportion to the output range and return the result
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return (proportion * (out_max - out_min)) + out_min;
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}
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void loop(){
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static int lastMoveTime;
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// To avoid making eyes too twitchy (and to allow time for previous animation to end), we only recalculate new position every 500ms
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if(millis() - lastMoveTime > 500) {
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int yRaw = analogRead(25);
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int xRaw = analogRead(26);
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float y = mapFloat(yRaw, 0, 4095, 1.0, -1.0);
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float x = mapFloat(xRaw, 0, 4095, 1.0, -1.0);
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face->Look.LookAt(x, y);
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lastMoveTime = millis();
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}
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if(!digitalRead(blinkPin)){
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face->DoBlink();
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}
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/*
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// Use this code to set a particular emotion from a button
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int32_t potValue = analogRead(15);
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float anger = map(potValue, 0, 4095, 0.0, 2.0);
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face->Behavior.SetEmotion(eEmotions::Angry, anger);
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*/
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/*
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// Use this code to cycle automatically through all emotions
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static uint32_t counter = millis();
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static uint8_t emotionno = 0;
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static uint8_t changeEmotionFlag = 0;
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static uint8_t n = 0;
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if(millis() - counter > 6000) {
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counter = millis();
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emotionno = n++;
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if(n >= EMOTIONS_COUNT) n = 0;
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changeEmotionFlag = 1;
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}
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if(changeEmotionFlag) {
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// Clear any previously assigned weights
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face->Behavior.Clear();
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// Assign weight of 1.0 to the next emotion in the list
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face->Behavior.SetEmotion((eEmotions)emotionno, 1.0);
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// Print the new emotion to the serial monitor
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Serial.println(emotionName[emotionno]);
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// Reset the flag
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changeEmotionFlag = 0;
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}
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*/
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face->Update();
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//delay(10);
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} |