답변 : 답변 : 초음파 센서와 네오픽셀, 서버모터, GROVE MP3
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작성자 master 작성일18-12-18 22:28 조회3,016회 댓글0건본문
// MCU BASIC: https://www.basic4mcu.com
// DateTime : 2018-12-18 오후 10:41:00
// by Ok-Hyun Park
//
#include <SoftwareSerial.h>
#include <MP3Player_KT403A.h>
SoftwareSerial mp3(2,3);
//
#include <Adafruit_NeoPixel.h>
int PIN=3;
Adafruit_NeoPixel strip=Adafruit_NeoPixel(60,PIN,NEO_GRB+NEO_KHZ800);
//
int echo=7,trig=6;
//
#include <Servo.h>
Servo servo1;
//
static uint8_t len=0,recv_cmd[20];
//
unsigned long sonar_time=0,servo_time=0,Neo_time=0;
int cnt=0,i,pos=0;;
long distance=100;
//
void setup(){
pinMode(trig,OUTPUT); pinMode(echo,INPUT);
strip.begin(); strip.show();
servo1.attach(9);
//
mp3.begin(9600);
Serial.begin(9600); while(!Serial);
Serial.println("Grove-Serial MP3 Demo");
Serial.println(
"Input command: \r\n\r\n"
"P[]play music by default index\r\n"
"Pm[]play music in MP3 folder by index\r\n"
"Pf[][]play music by specify folder and index\r\n"
"p Pause\r\n"
"R Resume\r\n"
"N Next\r\n"
"L Previous\r\n"
"l Loop\r\n"
"I Increase volume\r\n"
"D Decrease volumern\r\n");
delay(100);
SelectPlayerDevice(0x02); // Select SD card as the player device.
SetVolume(15); // 0~30
}
//
bool flag=0;
//
void loop(){
if(Serial.available()){
byte chr=Serial.read(); // Serial.print(chr);
if(chr=='\n'){
recv_cmd[len]=0;
// Print reveiced data
// Serial.print("Received cmd: ");
// for(i=0; i<len; i++){ Serial.print(recv_cmd[i]); Serial.print(" "); }
// Serial.println();
switch(recv_cmd[0]){
case 'P':{
if(recv_cmd[1]=='m'){ /***Play music in "MP3" folder by index*example: "Pm1"->./MP3/0001.mp3*/
PlayMP3folder(recv_cmd[2]-'0');
Serial.print("Play "); Serial.write(byte(recv_cmd[2])); Serial.println(".mp3 in MP3 folder");
}
else if(recv_cmd[1]=='f'){ /***Play specify folder and music*example: "Pf11"->./01/001.mp3*/
SpecifyfolderPlay(recv_cmd[2]-'0',recv_cmd[3]-'0');
Serial.print("Play "); Serial.write(byte(recv_cmd[3])); Serial.print("xxx.mp3");
Serial.print(" in folder "); Serial.write(byte(recv_cmd[2])); Serial.println();
}
else{ /***Play music by default index*example: "P1"->./***.mp3*/
SpecifyMusicPlay(recv_cmd[1]-'0');
Serial.print("Play xxx.MP3 by index "); Serial.write(byte(recv_cmd[1])); Serial.println();
}
break;
}
case 'p': PlayPause(); Serial.println("Pause the MP3 player"); break;
case 'R': PlayResume(); Serial.println("Resume the MP3 player"); break;
case 'N': PlayNext(); Serial.println("Play the next song"); break;
case 'L': PlayPrevious(); Serial.println("Play the previous song"); break;
case 'l': PlayLoop(); Serial.println("Play loop for all the songs"); break;
case 'I': IncreaseVolume(); Serial.println("Increase volume"); break;
case 'D': DecreaseVolume(); Serial.println("Decrease volume"); break;
}
//
for(i=0; i<8; i++)recv_cmd[i]=0; // clean data buffer
len=0;
}
else{ recv_cmd[len++]=chr; }
}
//-------------------------------------------------------------------
if(millis()-sonar_time>=100){ sonar_time=millis();
digitalWrite(trig,1); delayMicroseconds(10); digitalWrite(trig,0);
distance=pulseIn(echo,HIGH)/58;
Serial.print(distance); Serial.println(" Cm");
if(distance<30){
if(flag==0){ flag=1; PlayMP3folder(1); }
}
else{
if(flag==1){ flag=0; PlayPause(); }
}
}
//
if(millis()-servo_time>=1000){ servo_time=millis();
if(distance<30){ if(pos==0)pos=180; else pos=0; servo1.write(pos); }
}
//
if(millis()-Neo_time>=10){ Neo_time=millis(); // 네오픽셀 딜레이 10ms
if(distance<30){
if(cnt<256)i=cnt;
else if(cnt<512)i=511-cnt;
if(++cnt>811)cnt=0;
//
if(cnt<512){
strip.setPixelColor(0,strip.Color(0,50,255));
strip.setPixelColor(1,strip.Color(0,100,255));
strip.setPixelColor(2,strip.Color(0,150,255));
strip.setPixelColor(3,strip.Color(0,200,255));
strip.setPixelColor(4,strip.Color(0,255,255));
strip.setPixelColor(5,strip.Color(i,255-i,255-i));
strip.setPixelColor(6,strip.Color(i,255,255-i));
strip.setPixelColor(7,strip.Color(0,255,255)); //초록
strip.setPixelColor(8,strip.Color(255,255,0)); //노랑
strip.show();
}
}
else{ // if(distance>30)
cnt=0;
strip.setPixelColor(0,strip.Color(255,50,0));
strip.setPixelColor(1,strip.Color(255,100,0));
strip.setPixelColor(2,strip.Color(255,150,0));
strip.setPixelColor(3,strip.Color(255,200,0));
strip.setPixelColor(4,strip.Color(255,255,0));
strip.setPixelColor(5,strip.Color(255,255,0));
strip.setPixelColor(6,strip.Color(255,255,0));
strip.setPixelColor(7,strip.Color(255,255,0)); //초록
strip.setPixelColor(8,strip.Color(255,255,0)); //노랑
strip.show();
}
}
}
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