100 lines
No EOL
2.3 KiB
C++
100 lines
No EOL
2.3 KiB
C++
#include "SerialMP3Player.h"
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#define TX D3
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#define RX D2
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#define BUTTON D1
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#define STARTED_STRING "Status: playing"
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#define STOPPED_STRING "Status: stopped"
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#define MAX_PLAYTIME 60000
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unsigned long lastpressed = 0;
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unsigned long pressed_cycles = 0;
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unsigned long lastreleased = 0;
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const unsigned long wait_until_next_pressed = 100;
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SerialMP3Player mp3(RX,TX);
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bool button_pressed(unsigned int button_pin){
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static bool buttons_state = false;
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if(millis() - lastpressed > wait_until_next_pressed)
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{
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if(digitalRead(button_pin) == LOW)
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{
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pressed_cycles++;
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lastpressed = millis();
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buttons_state = true;
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}
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else{
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pressed_cycles = 0;
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lastreleased = millis();
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buttons_state = false;
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}
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}
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return(buttons_state);
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}
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void setup() {
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Serial.begin(115200); // start serial interface
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pinMode(BUTTON,INPUT_PULLUP);
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mp3.begin(9600); // start mp3-communication
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delay(500); // wait for init
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mp3.sendCommand(CMD_SEL_DEV, 0, 2); //select sd-card
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delay(500); // wait for init
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mp3.setVol(30);
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}
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// the loop function runs over and over again forever
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unsigned long started_plying = 0;
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bool playing = false;
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void loop() {
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if(true == button_pressed(BUTTON))
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{
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playing = false;
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mp3.play(1);
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started_plying = millis();
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Serial.println("");
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Serial.println("Song playing started!");
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while((playing == false) && (millis()-started_plying < MAX_PLAYTIME))
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{
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delay(100);
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mp3.qStatus();
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if (mp3.available()){
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String answer = mp3.decodeMP3Answer();
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if(answer.indexOf(STARTED_STRING) > -1)
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{
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playing = true;
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Serial.println("Song started!");
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}
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}
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}
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while((playing == true) && (millis()-started_plying < MAX_PLAYTIME))
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{
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delay(100);
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mp3.qStatus();
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if (mp3.available()){
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String answer = mp3.decodeMP3Answer();
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if(answer.indexOf(STOPPED_STRING) > -1)
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{
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playing = false;
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Serial.println("Song finished!");
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}
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}
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}
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if(playing == true)
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mp3.stop();
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Serial.println("Song playing done!");
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while(true == button_pressed(BUTTON))
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{
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delay(100);
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}
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}
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} |