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/* Atmega128 mtx128-s2보드와 ds3231 rtc모듈, char LCD wc0802C 제품으로 시계를 만들었다.

기능들을 함수로 빼놓았기 때문에 나중에 회로도와 핀맵만 맞는다면 사용할 수 있다.

회로도 그리기 너무 귀찮다아아

*/


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/*
 * char_lcd.c
 *
 * Created: 2019-01-21 오후 4:25:21
 * Author : admin
 */
 
#include <avr/io.h>
#define F_CPU 16000000
#include <util/delay.h>
#include <stdio.h>
 
#define PORT_DATA PORTD
#define PORT_CONTROL PORTC
#define DDR_DATA DDRD
#define DDR_CONTROL DDRC
 
#define RS_PIN 0
#define RW_PIN 1
#define E_PIN 2
 
#define COMMAND_CLEAR_DISPLAY 0x01
#define COMMAND_8_BIT_MODE 0x38
#define COMMAND_4_BIT_MODE 0x28
 
#define COMMAND_DISPLAY_ON_OFF_BIT 2
#define COMMAND_CURSOR_ON_OFF_BIT 1
#define COMMAND_BLINK_ON_OFF_BIT 0
 
extern uint8_t MODE;
 
void LCD_Pulse_enable();
void LCD_write_data(uint8_t data);
void LCD_write_command(uint8_t command);
void LCD_clear();
void LCD_init();
void LCD_write_string(char *string);
void LCD_goto_XY(uint8_t row, uint8_t col);
//////////////////////////////////////////////////////////
 
void LCD_Pulse_enable(){
    PORT_CONTROL |= (1<<E_PIN);
    _delay_us(1);
    PORT_CONTROL &= ~(1<<E_PIN);
    _delay_us(1);
}
void LCD_write_data(uint8_t data){
    PORT_CONTROL |= (1<<RS_PIN);
    if(MODE == 8){
        PORT_DATA = data;
        LCD_Pulse_enable();
    }
    else{
        PORT_DATA = data& 0xf0;
        LCD_Pulse_enable();
        PORT_DATA = (data<<4)&0xf0;
        LCD_Pulse_enable();
    }
    _delay_ms(2);
}
void LCD_write_command(uint8_t command){
    PORT_CONTROL&= ~(1<<RS_PIN);
    
    if(MODE ==8){
        PORT_DATA =command;
        LCD_Pulse_enable();
    }
    else {
        PORT_DATA = command & 0xf0;
        LCD_Pulse_enable();
        PORT_DATA = (command <<4) & 0xf0;
        LCD_Pulse_enable();
    }
    _delay_ms(2);
}
void LCD_clear(){
    LCD_write_command(COMMAND_CLEAR_DISPLAY);
    _delay_ms(2);
}
void LCD_init(){
    _delay_ms(50);
    if(MODE == 8){
        DDR_DATA =0xff;
    }
    else DDR_DATA |= 0xf0;
    PORT_DATA = 0x00;
    DDR_CONTROL |= (1<<RS_PIN)|(1<<RW_PIN)|(1<<E_PIN);
    
    PORT_CONTROL &= ~(1<<RW_PIN);
    
    if(MODE == 8){
        LCD_write_command(COMMAND_8_BIT_MODE);
    }
    else{
        LCD_write_command(0x02);
        LCD_write_command(COMMAND_4_BIT_MODE);
    }
    
    uint8_t command = 0x08|(1<<COMMAND_DISPLAY_ON_OFF_BIT);
    LCD_write_command(command);
    
    LCD_clear();
    
    LCD_write_command(0x06);
}
void LCD_write_string(char *string){
    uint8_t i;
    for(i=0;string[i];i++){
        LCD_write_data(string[i]);
    }
}
void LCD_goto_XY(uint8_t row, uint8_t col){
    col %=16;
    row%=2;
    
    uint8_t address = (0x40*row)+col;
    uint8_t command =0x80+address;
    
    LCD_write_command(command);
}
 
uint8_t MODE = 4;
 
#define I2C_SCL PD0
#define I2C_SDA PD1
 
unsigned int sec, min, hour, day, month, year, week;
 
 
void uartInit(long buadrate)
{
    UCSR0A = 0x00; // ready flag clear
    UCSR0B = 0x18; // rx, tx enable
    UCSR0C = 0x06; // tx data len : 8bit
    UBRR0H = 0;
    switch(buadrate){
        case 115200:
        UBRR0L = 8;
        break;
        
        case 57600:
        UBRR0L = 16;
        break;
        
        case 38400:
        UBRR0L = 25;
        break;
        
        case 19200:
        UBRR0L = 51;
        break;
        
        case 14400:
        UBRR0L = 68;
        break;
        
        case 9600:
        UBRR0L = 103;
        break;
        
        // Default 19200
        default:
        UBRR0L = 51;
        break;
    }
}
void send_data(unsigned char data)
{
    while(!(UCSR0A&0x20)); // 송신데이터를 받을 준비가 될때까지 대기
    UDR0 = data;
}
void SendLine(char *string)
{
    while(*string != '\0')
    {
        send_data(*string);
        string++;
    }
}
 
void init_i2c(){
    DDRD |= (1<<I2C_SCL);
    DDRD |= (1<<I2C_SDA);
    
    TWBR = 32; // 200khz
}
void i2c_start(){
    TWCR = (1<< TWINT)|(1<<TWSTA)|(1<<TWEN);
    while(!(TWCR&(1<<TWINT))); // 시작완료 대기
}
void i2c_transmit(uint8_t data){
    TWDR = data;
    TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWEA);
    while(!(TWCR&(1<<TWINT))); // 전송완료 대기
}
uint8_t i2c_receive_ACK(){
    TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWEA);
    while(!(TWCR&(1<<TWINT)));
    return TWDR;
}
uint8_t i2c_receive_NACK(){
    TWCR = (1<<TWINT)|(1<<TWEN);
    while(!(TWCR&(1<<TWINT))); // 수신완료 대기
    return TWDR;
}
void i2c_stop(){
    TWCR = (1<<TWINT)|(1<<TWSTO)|(1<<TWEN);
    _delay_us(100);
}
 
uint8_t bcd_to_decimal(uint8_t bcd){
    return (bcd>>4) *10 +(bcd&0x0f);
}
uint8_t decimal_to_bcd(uint8_t decimal){
    return (((decimal/10)<<4)|(decimal%10));
}
 
int main(void)
{    
    LCD_init();
    char lcd_buff[100];
    init_i2c();
    
    sec = min = hour = day = month = year = week= 0;
    char str[1000];
    
    uint8_t address = 0x68;
    // 초 분 시 요일 일 월 연
    uint8_t date[] = {0,10,12,2,10,10,19};
    
    
    i2c_start();
    i2c_transmit(address <<1);
    i2c_transmit(0);
    for (int i =0; i<7;i++){
        i2c_transmit(decimal_to_bcd(date[i]));
    }
    i2c_stop();
    DDRA = 0xff;
    PORTA = 0x00;
    
    while (1) 
    {
        i2c_start();
        i2c_transmit(address <<1);
        i2c_transmit(0);
        i2c_stop();
        
        i2c_start();
        i2c_transmit((address<<1)+1);
        
        sec = bcd_to_decimal(i2c_receive_ACK());
        min = bcd_to_decimal(i2c_receive_ACK());
        hour = bcd_to_decimal(i2c_receive_ACK());
        week = bcd_to_decimal(i2c_receive_ACK());
        day = bcd_to_decimal(i2c_receive_ACK());
        month = bcd_to_decimal(i2c_receive_ACK());
        year = bcd_to_decimal(i2c_receive_NACK());
        
        i2c_stop();
        
        LCD_goto_XY(0,0);
        sprintf(lcd_buff,"%d/%d/%d",year,month,day);
        LCD_write_string(lcd_buff);
        LCD_goto_XY(1,0);
        sprintf(str,"%d:%d:%d",hour,min,sec);
        LCD_write_string(str);
        
        /* LCD example
        LCD_goto_XY(1,1);
        LCD_write_string("hi");
        */
        
        //sprintf(lcd_buff,"%d/%d/%d",year,month,day);
        //sprintf (str, "%d sec, %d min, %d hour, %d week, %d day, %d month, %d year\r\n",sec,min,hour,week,day,month,year);
        //sprintf(str,"%d sec\r\n",sec);
        
    }
    return 0;
}
cs


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저작자표시 비영리 변경금지

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Atmega8a 

8MHz Ext.OSC



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/*
 * Study_Atmega8A.c
 *
 * Created: 2018-12-18 오후 10:30:25
 * Author : HeungSik
 */ 
 
#include <avr/io.h>
#define F_CPU 8000000
#define FOSC 8000000
#include <util/delay.h>
#define BAUD 9600
#define MYUBRR FOSC/16/BAUD-1
 
void init_serial();
void USART_Transmit(unsigned char data);
unsigned char USART_Receive( void );
 
void init_serial(unsigned int ubrr){
    UBRRH = (unsigned char)(ubrr >>8);
    UBRRL = (unsigned char)ubrr;
    //UBRRL = 25;
    /* Enable receiver and transmitter */
    UCSRB = (1<<RXEN)|(1<<TXEN);
    /* Set frame format: 8data, 2stop bit */
    UCSRC = (1<<URSEL)|(1<<USBS)|(3<<UCSZ0);
}
void USART_Transmit( unsigned char data )
{
    /* Wait for empty transmit buffer */
    while ( !( UCSRA & (1<<UDRE)) )
    ;
    /* Put data into buffer, sends the data */
    UDR = data;
}
unsigned char USART_Receive( void )
{
    /* Wait for data to be received */
    while ( !(UCSRA & (1<<RXC)) )
    ;
    /* Get and return received data from buffer */
    return UDR;
}
void Transmit_Line(char *string){
    int i =0;
    while (*string != 0x00)
    {
        USART_Transmit(*string);
        i++;
    }
}
int main(void)
{
    
    init_serial(MYUBRR);
    
    while (1) 
    {
        USART_Transmit('a');
        
        _delay_ms(50);
    }
}
 
 
cs


다음은 BLE모듈 사용하여 LED 제어하기


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https://m.blog.naver.com/PostView.nhn?blogId=ga1267&logNo=220111519302&proxyReferer=https%3A%2F%2Fwww.google.co.kr%2F


https://webnautes.tistory.com/991

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// Piano 만들기

1. Record mode, Listen mode 기능 구현

2. Exam mode 버그..

 

 

 

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/*
 * myfunc.h
 *
 * Created: 2018-09-12 오전 11:14:38
 *  Author: USER
 */ 
 
 
#ifndef MYFUNC_H_
#define MYFUNC_H_
 
#include <avr/io.h>
#define F_CPU 16000000
#define __DELAY_BACKWARD_COMPATIBLE__
#include <util/delay.h>
#include <stdio.h>
#include "lcd.h"
#include <stdlib.h>
#include <avr/interrupt.h>
 
#define POWER_ON_MODE 0
#define POWER_OFF_MODE 1
 
#define NOMAL_MODE 2
#define MENU_SELECT_MODE 3
 
#define RECORD_MODE 4
#define LISTEN_MODE 5
#define EXAM_SELECT_MODE 6
 
#define EXAM1_MODE 7
#define EXAM2_MODE 8
#define EXAM3_MODE 9
 
#define POWER_ON_DISPLAY 0
#define POWER_ON_UNDISPLAY 1
 
#define POWER_OFF_DISPLAY 0
#define POWER_OFF_UNDISPLAY 1
 
//메뉴
#define MENU_RECORD_MODE 0
#define MENU_LISTEN_MODE 1
#define MENU_EXAM_MODE 2
#define MENU_RETURN_MODE 3
 
//EXAM
#define EXAM1 0
#define EXAM2 1
#define EXAM3 2
#define EXAMRETURN 3
 
//음계
#define DO 261.63
#define RE 293.66
#define MI 329.63
#define FA 349.23
#define SOL 391.99
#define RA 440.0
#define SI 493.88
#define NO 0
 
#define DOUP 277.18
#define REUP 311.12
#define FAUP 369.99
#define SOLUP 415.30
#define RAUP 466.16
 
//KEY값
#define K_MENU  0b00101011
#define K_POWER 0b01001011
#define K_DO 0b00011110
#define K_RE 0b00101110
#define K_MI 0b1001110
#define K_FA 0b00011101
#define K_SOL 0b00101101
#define K_RA 0b01001101
#define K_SI 0b00011011
 
#define LED_DO 0b11111110
#define LED_RE 0b11111101
#define LED_MI 0b11111011
#define LED_FA 0b11110111
#define LED_SOL 0b11101111
#define LED_RA 0b11011111
#define LED_SI 0b10111111
 
//전역 변수
unsigned int count =0;
unsigned int mode =0,state =0;
unsigned int menuSelectCount =0;
unsigned int ExamSelectCount =0;
unsigned int timeCount =0,sec =0;
unsigned int PowerOnDisplayState =0,PowerOffDisplayState=0;
unsigned int key=0;
 
unsigned int tCount1 = 0, tCount2 = 0;
unsigned int msec = 0, rotSec = 0;
unsigned int note[100] = {0,};
unsigned int note_time[100] = {0,};
unsigned int n_index = 0, n_flag = 0;
 
void port_init(){
    TCCR1A =0x40;
    TCCR1B = 0x09;
    
    TIMSK = 0xc0; // timer2 enable
    TCCR2 = 0x03; // 64분주
    TCNT2 = 256-(256-6); // 0.001s = 1ms
}
 
void powerOn()
{
    if (PowerOnDisplayState == POWER_ON_DISPLAY){
        lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
        lcd_putsf(0,1,(unsigned char *)"    POWER ON!   ");
        _delay_ms(3000);
        PowerOnDisplayState =1;
    }
    else if(PowerOnDisplayState==POWER_ON_UNDISPLAY){
        lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
        lcd_putsf(0,1,(unsigned char *)"                ");
        mode = NOMAL_MODE;
    }
}
 
void powerOff()
{
    if(PowerOffDisplayState == POWER_OFF_DISPLAY){
        lcd_putsf(0,0,(unsigned char *)"  PIANO SYSTEM  ");
        lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
        _delay_ms(1000);
        lcd_putsf(0,0,(unsigned char *)"    GOOD BYE    ");
        lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
        _delay_ms(1000);
        PowerOffDisplayState =POWER_OFF_UNDISPLAY;
    }
    else if(PowerOffDisplayState == POWER_OFF_UNDISPLAY){
        lcd_putsf(0,0,(unsigned char *)"                ");
        lcd_putsf(0,1,(unsigned char *)"                ");
    }
}
 
 
// Key Matrix 함수
unsigned char getKey(){
    unsigned char key = 0;
    for (int i=0; i<3;i++){
        if (i==0)PORTD = 0b11111110;
        if (i==1)PORTD = 0b11111101;
        if (i==2)PORTD = 0b11111011;
        
        _delay_ms(5);
        
        key = (~PIND & 0xf0);
        if (key){
            return key|(PORTD & 0x0f);
        }
    }
    return 0;
}
 
// 음계 출력 Buzzer(주파수, 출력횟수)
void Buzzer(double hz,int count){
    for (int i=0;i<count; i++){
        PORTB = 0xff;
        _delay_ms(((double)1000/hz)/2);
        PORTB = 0x00;
        _delay_ms(((double)1000/hz)/2);
    }
}
 
//CTC 모드로 소리 출력
void freqSet(int freq, int delayTime){
    if (freq == 0) OCR1A = 0;
    else OCR1A = 8000000 /freq;
    _delay_ms(delayTime);
}
 
void freq(int freq){
    if (freq == 0) OCR1A = 0;
    else OCR1A = 8000000 /freq;
}
 
// 음악 저장
int doremi[10] = {DO,RE,MI,FA,SOL,RA,SI,(DO*2)};
int school[100]= {SOL,SOL,RA,RA,SOL,SOL,MI, SOL,SOL,MI,MI,RE,SOL,SOL,RA,RA,SOL,SOL,MI,SOL,MI,RE,MI,DO};
int plane [100]= {MI,RE,DO,RE,MI,MI,MI,RE,RE,RE,MI,MI,MI,MI,RE,DO,RE,MI,MI,MI,RE,RE,MI,RE,DO};
 
 
int dog[100]    = {RA,RA,RA,SOL,RA,SOL,FA,2*FA,2*FA,2*MI,RA,2*RE,
                2*RE,2*RE,2*DO,RAUP,RA,SOL,FA,FA,SOL,SOL,2*DO,
                RA,RA,RA,SOL,RA,SOL,FA,2*FA,2*FA,2*MI,RA,2*RE,
                2*RE,2*RE,2*DO,RAUP,RA,SOL,FA,RE,FA,MI,FA,SOL,FA,
                RA,RAUP,RA,2*RE,2*MI,2*FA,2*MI,RA,2*RE,2*RE,2*DO,RAUP,RA,
                SOL,RA,RAUP,2*DO,2*FA,2*MI,2*RE,2*FA,2*FA,2*FA,2*MI,2*RE,2*DO,2*DO,
                2*FA,2*MI,2*FA,2*MI,2*RE,2*RE,2*RE,2*RE,2*DO,2*RE,2*DO,RA,
                FA,FA,SOL,SOL,2*DO,RA,FA,RE,FA,MI,FA,SOL,FA};
int dogtime[100]= {250,500,250,375,125,500,2000,250,750,500,500,2000,
                250,750,500,500,750,250,1000,1000,250,750,2000,
                250,500,250,375,125,500,2000,250,750,500,500,2000,
                250,750,500,500,750,250,1000,250,750,375,500,2000,
                375,125,375,1125,375,125,375,1125,250,750,500,500,2000,
                250,500,250,1000,500,500,1000,250,500,250,500,500,1500,500,
                1000,375,125,375,2125,250,500,250,375,125,500,2000,
                250,375,500,500,500,500,1000,250,750,375,125,500,2000};
int snow[500] ={RE,SI,RA,SI,2*RE,RA,NO,RE,RE,MI,SOL,SOL,MI,RE,NO,SOL,RA,
                SI,RA,SI,2*MI,2*RE,SI,NO,SI,SI,2*DO,SI,RA,SOL,SI,RA,NO,RE,SI,RA,SI,2*RE,RA,NO,RE,RE,
                MI,SOL,SOL,MI,RE,NO,SOL,RA,SI,RA,SI,2*MI,2*RE,SI,NO,SI,SI,2*DO,SI,RA,SOL,SOL,NO,
                NO,MI,SOL,2*RE,2*DO,SI,RA,RA,SOL,FAUP,SOL,MI,SOL,
                2*RE,2*MI,2*RE,2*DO,SI,RA,SI,NO,SOL,SOL,2*MI,2*FAUP,2*SOL,2*FAUP,2*MI,2*DOUP,2*RE,
                NO,2*MI,(2*FA),2*MI,2*RE,2*DO,SI,SOL,SOL,NO,MI,SOL,2*MI,2*REUP,2*MI,2*FAUP,SI,SI,
                2*SOL,2*FAUP,2*SOL,2*FAUP,2*SOL,2*FAUP,2*MI,2*RE,2*MI,2*SI,2*SI,NO,2*FAUP,2*SOL,2*RA,2*FAUP,2*MI,2*RE,2*RE,NO,SI,2*DO,2*RE,
                2*RE,2*DO,2*DO,2*MI,2*RE,SI,RA,SOL,NO,MI,SOL,2*RE,2*DO,2*DO,2*MI,2*MI,2*REUP,2*MI,2*FAUP,2*SOL,2*FAUP,2*SOL,2*FAUP,2*SOL,2*FAUP,2*MI,2*RE,
                2*MI,2*SI,2*SI,NO,2*FAUP,2*SOL,2*RA,2*FAUP,2*MI,2*MI,2*RE,2*RE,2*RA,2*SOL,SI,2*DO,2*RE,2*RE,2*DO,2*DO,2*RE,SI,RA,SOL,SOL,
                NO,SI,2*RE,2*RE,2*DO,DO,RE,2*MI,2*SOL,2*FAUP,FAUP,2*MI,2*FAUP,2*SOL,3*SOL,NO,RE};
int snowtime[500]={250,250,250,250,125,625,250,125,125,250,125,250,125,750,250,125,125,
                250,250,250,125,185,185,250,125,125,250,125,250,125,125,625,250,250,250,250,250,125,625,250,125,125,
                250,125,250,250,750,250,125,125,250,250,250,125,250,375,250,125,125,250,125,250,125,750,500,
                500,250,250,1250,250,250,250,250,250,250,750,250,250,
                750,125,375,125,250,125,1250,500,250,250,750,250,250,250,250,125,125,
                500,250,250,250,250,250,250,250,125,625,500,250,250,625,125,125,625,250,250,
                250,250,250,125,375,250,250,250,250,125,625,125,250,250,250,125,125,250,125,625,500,250,125,125,
                250,250,250,125,250,125,125,125,125,125,125,250,250,250,250,125,375,250,250,250,250,250,250,125,375,250,250,250,
                };
void snowplay(){
    for(int i =0; i<500;i++){
        freqSet(snow[i],snowtime[i]);
        freqSet(0,10);
    }mode = EXAM_SELECT_MODE;
}
void dogPlay(){
    for (int i= 0;i<100;i++){
        freqSet(dog[i],dogtime[i]);
        freqSet(0,10);
    }
    mode = EXAM_SELECT_MODE;
}
void schoolPlay(){
    for (int i= 0;i<25;i++){
        freqSet(school[i],500);
        freqSet(0,200);
    }
    mode = EXAM_SELECT_MODE;
}
void doremiPlay(){
    for (int i= 0;i<8;i++){
        freqSet(doremi[i],500);
        freqSet(0,200);
    }
    mode = EXAM_SELECT_MODE;
}
void key_init(){
    lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
    lcd_putsf(0,1,(unsigned char *)"                ");
    char keyPos = 25;
    char strConv[16];
    
    if (key == K_DO){ PORTA = LED_DO; freq(DO); keyPos =1;}
    else if (key==K_RE){ PORTA = LED_RE; freq(RE); keyPos=3;}
    else if (key == K_MI){ PORTA = LED_MI; freq(MI); keyPos =5;}
    else if (key == K_FA){ PORTA = LED_FA; freq(FA); keyPos =7;}
    else if (key == K_SOL){ PORTA = LED_SOL; freq(SOL); keyPos=9;}
    else if (key == K_RA){ PORTA = LED_RA; freq(RA); keyPos=11;}
    else if(key ==K_SI){ PORTA = LED_SI; freq(SI); keyPos =13;}
    else
    {
        OCR1A=0;
        PORTA = 0xff;
        sprintf(strConv,"                ");
        lcd_putsf(0,1,(unsigned char *)strConv);
    }
    
    sprintf(strConv,"                ");
    strConv[keyPos] = 0xff;
    lcd_putsf(0,1,(unsigned char *)strConv);
    
}
void recordDisplay(){
    lcd_putsf(0,0,(unsigned char *)"  Recording..   ");
    lcd_putsf(0,1,(unsigned char *)"                ");
}
void ListenDisplay(){
    lcd_putsf(0,0,(unsigned char *)"  Listening..   ");
    lcd_putsf(0,1,(unsigned char *)"                ");
}
 
 
void keyPowerOff(){
    if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
        mode = POWER_OFF_MODE;
        PowerOffDisplayState = POWER_OFF_DISPLAY;
        key =0;
        _delay_ms(100);
    }
}
void keyPowerOn(){
    if (key == K_POWER){
        mode = POWER_ON_MODE;
        PowerOnDisplayState = POWER_ON_DISPLAY;
        key =0;
        _delay_ms(100);
    }
}
 
 
void listen(){
    for (int i=1; i<n_index; i++)
    {
        freq(note[i]);
        _delay_ms(note_time[i] * 25);
    }
    freq(0);
    mode = MENU_SELECT_MODE; 
}
#endif /* MYFUNC_H_ */
 cs

 

 

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/*
* piano-0911.cpp
*
* Created: 2018-09-11 오전 11:27:56
* Author : USER
*/
 
 
#include "myfunc.h"
 
ISR(TIMER2_OVF_vect){
    TCNT2 = 6;
    count++; // 0.001초마다 1회증가
    timeCount++;
    if(count >2000){
        menuSelectCount++;
        ExamSelectCount++;
        count =0;
        if(menuSelectCount>3) menuSelectCount=0;
        if(ExamSelectCount>3) ExamSelectCount=0;
    }
    if(timeCount >1000){ // 1초
        sec++;
        timeCount=0;
    }
}
int main(void)
{
    DDRA= 0xff; // LED 출력 설정
    DDRB = 0xff; // 스피커 출력 설정
    DDRD = 0x0f; // key Matrix 입출력 설정
    
    PORTA = 0xff; // LED OFF
    PORTD = 0xff; // Key Matrix 초기값
 
    char str[16];
    
    
    sei();
    port_init();
    lcd_init();
    /* Replace with your application code */
    
    
    while (1)
    {
        key = getKey();
        
        if (mode == POWER_ON_MODE){
            powerOn();
        }
        else if(mode ==POWER_OFF_MODE){
            powerOff();
            if (key == K_POWER){
                mode = POWER_ON_MODE;
                PowerOnDisplayState = POWER_ON_DISPLAY;
                key =0;
                _delay_ms(100);
            }
        }
        else if(mode == NOMAL_MODE){
            key_init();
            if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
                mode = POWER_OFF_MODE;
                PowerOffDisplayState = POWER_OFF_DISPLAY;
                key =0;
                _delay_ms(100);
            }
            if (key == K_MENU){
                mode = MENU_SELECT_MODE;
                menuSelectCount =0;
                key=0;
                _delay_ms(100);
            }
        }
        else if(mode == MENU_SELECT_MODE){
            lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
            if (menuSelectCount == MENU_RECORD_MODE){
                lcd_putsf(0,1,(unsigned char *)"1. Recording    ");
                if (key == K_MENU){
                    mode = RECORD_MODE;
                    key=0;
                    _delay_ms(100);
                }
            }
            else if(menuSelectCount == MENU_LISTEN_MODE){
                lcd_putsf(0,1,(unsigned char *)"2. Listening    ");
                if (key == K_MENU){
                    mode = LISTEN_MODE;
                    key=0;
                    _delay_ms(100);
                }
            }
            else if(menuSelectCount == MENU_EXAM_MODE){
                lcd_putsf(0,1,(unsigned char *)"3. Example      ");
                if (key == K_MENU){
                    mode = EXAM_SELECT_MODE;
                    ExamSelectCount =0;
                    key=0;
                    _delay_ms(100);
                }
            }
            else if(menuSelectCount == MENU_RETURN_MODE){
                lcd_putsf(0,1,(unsigned char *)"4. Return       ");
                if (key == K_MENU){
                    mode = NOMAL_MODE;
                    key=0;
                    _delay_ms(100);
                }
            }
            if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
                mode = POWER_OFF_MODE;
                PowerOffDisplayState = POWER_OFF_DISPLAY;
                key =0;
                _delay_ms(100);
            }
        }
        else if(mode == RECORD_MODE){
            recordDisplay();
            if (key == K_DO && n_flag==0){ note_time[n_index] = msec; note[n_index + 1] = DO;  msec =0; n_flag=1; n_index++; freq(DO); }
            else if(key == K_RE && n_flag == 0) { note_time[n_index] = msec; note[n_index + 1] = RE; msec = 0; n_flag = 1; n_index++; freq(RE); }
            else if(key == K_MI && n_flag == 0) { note_time[n_index] = msec; note[n_index + 1] = MI; msec = 0; n_flag = 1; n_index++; freq(MI); }
            else if(key == K_FA && n_flag == 0) { note_time[n_index] = msec; note[n_index + 1] = FA; msec = 0; n_flag = 1; n_index++; freq(FA); }
            else if(key == K_SOL && n_flag == 0) { note_time[n_index] = msec; note[n_index + 1] = SOL; msec = 0; n_flag = 1; n_index++; freq(SOL); }
            else if(key == K_RA && n_flag == 0) { note_time[n_index] = msec; note[n_index + 1] = RA; msec = 0; n_flag = 1; n_index++; freq(RA); }
            else if(key == K_SI && n_flag == 0) { note_time[n_index] = msec; note[n_index + 1] = SI; msec = 0; n_flag = 1; n_index++; freq(SI); }
            else if (key == 0 && n_flag == 1){ note_time[n_index] = msec; note[n_index + 1] = NO; msec = 0; n_flag = 0; n_index++; freq(0); }
            if (key == K_MENU){
                mode = MENU_SELECT_MODE;
                key=0;
                _delay_ms(100);
            }
            
            if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
                mode = POWER_OFF_MODE;
                PowerOffDisplayState = POWER_OFF_DISPLAY;
                key =0;
                _delay_ms(100);
            }
        }
        else if(mode == LISTEN_MODE){
            ListenDisplay();
            listen();
            if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
                mode = POWER_OFF_MODE;
                PowerOffDisplayState = POWER_OFF_DISPLAY;
                key =0;
                _delay_ms(100);
            }
        }
        else if(mode == EXAM_SELECT_MODE){
            lcd_putsf(0,0,(unsigned char *)"   -Example-    ");
            if(ExamSelectCount == EXAM1){
                lcd_putsf(0,1,(unsigned char *)"1. Example 1    ");
            }
            else if(ExamSelectCount == EXAM2){
                lcd_putsf(0,1,(unsigned char *)"2. Example 2    ");
            }
            else if(ExamSelectCount == EXAM3){
                lcd_putsf(0,1,(unsigned char *)"3. Example 3    ");
            }
            else if(ExamSelectCount == EXAMRETURN){
                lcd_putsf(0,1,(unsigned char *)"4. Return       ");
            }
            if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
                mode = POWER_OFF_MODE;
                PowerOffDisplayState = POWER_OFF_DISPLAY;
                key =0;
                _delay_ms(100);
            }
            if (key == K_MENU){
                if (ExamSelectCount == EXAM1)mode = EXAM1_MODE;
                else if(ExamSelectCount == EXAM2)mode = EXAM2_MODE;
                else if(ExamSelectCount == EXAM3)mode = EXAM3_MODE;
                else if(ExamSelectCount == EXAMRETURN)mode = MENU_SELECT_MODE;
                key=0;
                _delay_ms(100);
            }
        }
        else if(mode ==EXAM1_MODE){
            doremiPlay();
        }
        else if(mode == EXAM2_MODE){
            schoolPlay();
        }
        else if(mode == EXAM3_MODE){
            dogPlay();
        }
        
    }
}
 
 
 cs

 

 

 

lcd.h

 

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// Piano 만들기

1. Menu Rotate, Exam Rotate 기능 구현 (Timer/Counter)

2. Record, listen mode 구현 필요

3. 구조적 변경 필요..

 

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/*
 * piano-0911.cpp
 *
 * Created: 2018-09-11 오전 11:27:56
 * Author : USER
 */ 
 
// last copy
 
#include "myfunc.h"
ISR(TIMER2_OVF_vect){
    TCNT2 = 6;
    count++; // 0.001초마다 1회증가
    if(count >2000){
        menuMode++;
        Exammode++;
        count=0;
        if(menuMode >3) menuMode=0;
        if(Exammode >4) Exammode=0;
    }
}
 
int main(void)
{
    DDRA= 0xff; // LED 출력 설정
    DDRB = 0xff; // 스피커 출력 설정 
    DDRD = 0x0f; // key Matrix 입출력 설정
    
    PORTA = 0xff; // LED OFF
    PORTD = 0xff; // Key Matrix 초기값
 
    int mode =OFFMODE , modeFlag =1, playmodeFlag=0;
    int menu =0, menuFlag=0,menuKeyflag=0;
    int menuModeKeyflag=0;
    
    int keyFlag =0;
    char str[16];
    int key =0;
    
    TCCR1A =0x40;
    TCCR1B = 0x09;
    
    lcd_init();
    lcd_clear();
    
    
    TIMSK = 0xc0; // timer2 enable
    TCCR2 = 0x03; // 64분주
    TCNT2 = 256-(256-6); // 0.001s = 1ms
    sei();
    /* Replace with your application code */
    
    while (1) 
    {        
        key = getKey();
        // SW8 00101011
        // SW9 01001011
        if (key == 0b01001011){
            if (mode == PLAYMODE){
                mode =OFFMODE; modeFlag=0;
            }
            else if (mode == OFFMODE){
                mode =PLAYMODE;
                playmodeFlag =0;
            }
            keyFlag=1;
        }
        else if (key== 0x00) keyFlag=0;
        
        if (mode == PLAYMODE){
            if (playmodeFlag ==0){
            lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
            lcd_putsf(0,1,(unsigned char *)"    POWER ON!   "); // 꺼짐 > 켜짐 상태 변경 후 3초 뒤 사라짐.
            _delay_ms(3000);
            lcd_putsf(0,1,(unsigned char *)"                ");
            playmodeFlag =1;
            }
            else if(playmodeFlag ==1){
                if((key == 0b00101011)&&(menuKeyflag==0)){ //SW8 키입력시 동작
                    menuFlag++;
                    menuKeyflag=1;
                    TCNT2=6;
                    if (menuFlag >2) menuFlag =0;
                }
                else if ((key == 0b00101011) && (menuMode == RECORDMENU)){
                    lcd_putsf(0,0,(unsigned char *)"  Recording..   ");
                    lcd_putsf(0,1,(unsigned char *)"                ");
                    
                }
                else if ((key == 0b00101011) && (menuMode == LISTENMENU)){
                    lcd_putsf(0,0,(unsigned char *)"  Listening..   ");
                    lcd_putsf(0,1,(unsigned char *)"                ");
                                
                }
                else if ((key == 0b00101011) && (menuMode == EXAMPLEMENU)){
                    lcd_putsf(0,0,(unsigned char *)"   -Example-    ");
                    if (Exammode == EXAM1)lcd_putsf(0,1,(unsigned char *)"1. Example 1    ");
                    else if(Exammode == EXAM2)lcd_putsf(0,1,(unsigned char *)"2. Example 2    ");    
                    else if(Exammode == EXAM3)lcd_putsf(0,1,(unsigned char *)"3. Example 3    ");    
                    else if(Exammode == 4)lcd_putsf(0,1,(unsigned char *)"4. Return       ");
                }
                else if ((key == 0b00101011) && (menuMode == RETRUNMENU)){
                    
                    menuFlag =0;
                    _delay_ms(100);
                }
                else if(key == 0x00){ 
                    menuKeyflag =0;
                }
 
                if (menuFlag==1){
                    if (menuMode ==RECORDMENU){
                        lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                        lcd_putsf(0,1,(unsigned char *)"1. Recording    ");
                    }
                    else if(menuMode ==LISTENMENU){
                        lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                        lcd_putsf(0,1,(unsigned char *)"2. Listening    ");
                    }
                    else if(menuMode == EXAMPLEMENU){
                        lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                        lcd_putsf(0,1,(unsigned char *)"3. Example      ");
                    }
                    else if(menuMode == RETRUNMENU){
                        lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                        lcd_putsf(0,1,(unsigned char *)"4. Return       ");
                    }
 
                }
                else if (menuFlag==0) {
                    lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
                    lcd_putsf(0,1,(unsigned char *)"                ");
                
                    if (key == 0b00011110){
                        PORTA = 0b11111110;
                        sprintf(str,"                ");
                        str[1]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(DO);
                    }
                    else if (key==0b00101110){
                        PORTA = 0b11111101;
                        sprintf(str,"                ");
                        str[3]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(RE);
                    }
                    else if (key == 0b1001110){
                        PORTA = 0b11111011;
                        sprintf(str,"                ");
                        str[5]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(MI);
                    }
                    else if (key == 0b00011101){
                        PORTA = 0b11110111;
                        sprintf(str,"                ");
                        str[7]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(FA);
                    }
                    else if (key == 0b00101101){
                        PORTA = 0b11101111;
                        sprintf(str,"                ");
                        str[9]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(SOL);
                    }
                    else if (key == 0b01001101){
                        PORTA = 0b11011111;
                        sprintf(str,"                ");
                        str[11]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(RA);
                    }
                    else if(key ==0b00011011){
                        PORTA = 0b10111111;
                        sprintf(str,"                ");
                        str[13]=255;
                        lcd_putsf(0,1,(unsigned char *)str);
                        freq(SI);
                    }
                    else 
                    {
                        OCR1A=0;
                        PORTA = 0xff;
                        sprintf(str,"                ");
                        lcd_putsf(0,1,(unsigned char *)str);
                    }
                }
            }
            //itoa(getKey(), str, 2); // char 문자열을 2진수로 변환 itoa함수 stdlib.h헤더파일에 위치함.
            //lcd_putsf(0,0,(unsigned char *)str); // LCD 출력
            //lcd_putsf(0,1,(unsigned char *)"  ");
            
        }
        else if (mode == OFFMODE){
            if(modeFlag ==0){
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");
                lcd_putsf(0,0,(unsigned char *)"  PIANO SYSTEM  ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                lcd_putsf(0,0,(unsigned char *)"    GOOD BYE    ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                modeFlag=1;
            }
            else if (modeFlag==1){
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");    
                lcd_clear();
            }
        }
    }
}
 
 
 cs

//디버깅 중 코드

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/*
* piano-0911.cpp
*
* Created: 2018-09-11 오전 11:27:56
* Author : USER
*/
 
 
#include "myfunc.h"
#define SELECTMENU 0
#define DISSELECTMENU 1
#define POWER_ON_DISPLAY 0
#define POWER_ON_UNDISPLAY 1
#define POWER_OFF_DISPLAY 0
#define POWER_OFF_UNDISPLAY 1
 
ISR(TIMER2_OVF_vect){
    TCNT2 = 6;
    count++; // 0.001초마다 1회증가
    if(count >2000){
        menuMode++;
        Exammode++;
        count=0;
        if(menuMode >3) menuMode=0;
        if(Exammode >4) Exammode=0;
    }
}
 
int main(void)
{
    DDRA= 0xff; // LED 출력 설정
    DDRB = 0xff; // 스피커 출력 설정
    DDRD = 0x0f; // key Matrix 입출력 설정
    
    PORTA = 0xff; // LED OFF
    PORTD = 0xff; // Key Matrix 초기값
 
    int mode =OFFMODE , modeFlag =1, playmodeFlag=1;
    int menu =0, menuFlag=0,menuKeyflag=0;
    int menuModeKeyflag=0;
    
    int keyFlag =0;
    char str[16];
    int key =0;
    
    TCCR1A =0x40;
    TCCR1B = 0x09;
    
    lcd_init();
    lcd_clear();
    
    
    TIMSK = 0xc0; // timer2 enable
    TCCR2 = 0x03; // 64분주
    TCNT2 = 256-(256-6); // 0.001s = 1ms
    sei();
    /* Replace with your application code */
    
    int realMode = 255;
    int realExMode =255;
    int realmenuFlag =255;
    int realmenuSelect =255;
    
    while (1)
    {
        key = getKey();
        if(key == K_POWER){
            if (mode == PLAYMODE){
                mode =OFFMODE; modeFlag=0;
            }
            else if (mode == OFFMODE){
                mode =PLAYMODE;
                playmodeFlag =0;
            }
            keyFlag=1;
        }
        else if (key== 0x00) keyFlag=0;
        
        if(mode == PLAYMODE){
            if (playmodeFlag ==POWER_ON_DISPLAY){
                lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
                lcd_putsf(0,1,(unsigned char *)"    POWER ON!   "); // 꺼짐 > 켜짐 상태 변경 후 3초 뒤 사라짐.
                _delay_ms(3000);
                lcd_putsf(0,1,(unsigned char *)"                ");
                playmodeFlag =POWER_ON_UNDISPLAY;
            }
            else if(playmodeFlag ==POWER_ON_UNDISPLAY){
                if((key == 0b00101011)&&(menuKeyflag==0)){ //SW8 키입력시 동작
                    menuFlag++;
                    menuKeyflag=1;
                    TCNT2=6;
                    if (menuFlag >2) menuFlag =0;
                    key = 0;
                    _delay_ms(100);
                }
                else if(key == 0x00){
                    menuKeyflag =0;
                }
                if (menuFlag == 1){//
                    if (realMode == 255)
                    {
                        if (menuMode == RECORDMENU){
                            lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                            lcd_putsf(0,1,(unsigned char *)"1. Recording    ");
                        }
                        else if(menuMode == LISTENMENU){
                            lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                            lcd_putsf(0,1,(unsigned char *)"2. Listening    ");
                        }
                        else if(menuMode == EXAMPLEMENU){
                            lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                            lcd_putsf(0,1,(unsigned char *)"3. Example      ");
                        }
                        else if(menuMode == RETRUNMENU){
                            lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
                            lcd_putsf(0,1,(unsigned char *)"4. Return       ");
                        }
                        if (key == K_MENU)
                        {
                            realMode = menuMode;
                            key = 0;
                            _delay_ms(100);
                        }
                    }
                    else if (realMode == RECORDMENU)
                    {
                        lcd_putsf(0,0,(unsigned char *)"  Recording..   ");
                        lcd_putsf(0,1,(unsigned char *)"                ");
                    }
                    else if (realMode == LISTENMENU){
                        lcd_putsf(0,0,(unsigned char *)"  Listening..   ");
                        lcd_putsf(0,1,(unsigned char *)"                ");
                    }
                    else if (realMode == EXAMPLEMENU)
                    {
                        if (realExMode==255){
                            if (Exammode == EXAM1){
                                lcd_putsf(0,0,(unsigned char *)"   -Example-    ");
                                lcd_putsf(0,1,(unsigned char *)"1. Example 1    ");
                            }
                            else if (Exammode == EXAM2){
                                lcd_putsf(0,0,(unsigned char *)"   -Example-    ");
                                lcd_putsf(0,1,(unsigned char *)"2. Example 2    ");
                            }
                            else if (Exammode == EXAM3){
                                lcd_putsf(0,0,(unsigned char *)"   -Example-    ");
                                lcd_putsf(0,1,(unsigned char *)"3. Example 3    ");
                            }
                            else if (Exammode == EXAMRETURN){
                                lcd_putsf(0,0,(unsigned char *)"   -Example-    ");
                                lcd_putsf(0,1,(unsigned char *)"4. Return       ");
                            }
                            if (key == K_MENU)
                            {
                                realExMode = Exammode;
                            }
                        }
                        else if(realExMode == EXAM1){
                            for (int i = 0; i<5; i++){
                                freqSet(doremi[i],500);
                            }
                            OCR1A=0;
                            realExMode = 255;
                        }
                        else if(realExMode == EXAM2){
                            for (int i =0; i<25;i++){
                                freqSet(school[i],500);
                            }
                            OCR1A=0;
                            realExMode = 255;
                        }
                        else if(realExMode == EXAM3){
                            for (int i = 0;i<25; i++){
                                freqSet(plane[i],500);
                            }
                            OCR1A=0;
                            realExMode = 255;
                        }
                        else if(realExMode == EXAMRETURN){
                            realMode =255;
                            realExMode =255;
                        }
                    }
                    else if(realMode == RETRUNMENU){
                        menuMode= PLAYMODE;
                        realMode =255;
                    }
                }
                else if(menuFlag ==0){
                    lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
                    lcd_putsf(0,1,(unsigned char *)"                ");
                }
            }
        }
        else if (mode == OFFMODE){
            if(modeFlag ==POWER_OFF_DISPLAY){ 
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");
                lcd_putsf(0,0,(unsigned char *)"  PIANO SYSTEM  ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                lcd_putsf(0,0,(unsigned char *)"    GOOD BYE    ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                modeFlag=POWER_OFF_UNDISPLAY;
            }
            else if (modeFlag==POWER_OFF_UNDISPLAY){
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");
                lcd_clear();
            }
        }
    }
}
 
 
 cs

 

 

// 구조 변경 후

모드별로 구조를 변경 함.

 

 

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/*
 * piano-0912.cpp
 *
 * Created: 2018-09-12 오전 9:34:15
 * Author : USER
 */ 
 
#include "myfunc.h"
 
 
 
int main(void)
{
    DDRA= 0xff; // LED 출력 설정
    DDRB = 0xff; // 스피커 출력 설정
    DDRD = 0x0f; // key Matrix 입출력 설정
    
    PORTA = 0xff; // LED OFF
    PORTD = 0xff; // Key Matrix 초기값
 
    char str[16];
    int key=0;
    TCCR1A =0x40;
    TCCR1B = 0x09;
    
    TIMSK = 0xc0; // timer2 enable
    TCCR2 = 0x03; // 64분주
    TCNT2 = 256-(256-6); // 0.001s = 1ms
    sei();
    
    lcd_init();
    /* Replace with your application code */
    int PowerOnDisplayState =0,PowerOffDisplayState=0;
    
    while (1) 
    {
        key = getKey();
        
        if (mode == POWER_ON_MODE){
            if (PowerOnDisplayState == POWER_ON_DISPLAY){
                lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
                lcd_putsf(0,1,(unsigned char *)"    POWER ON!   ");
                _delay_ms(300);
                PowerOnDisplayState =1;
            }
            else if(PowerOnDisplayState==POWER_ON_UNDISPLAY){
                lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
                lcd_putsf(0,1,(unsigned char *)"                ");
                mode = NOMAL_MODE;
            }
        }
        else if(mode ==POWER_OFF_MODE){
            if(PowerOffDisplayState == POWER_OFF_DISPLAY){
                lcd_putsf(0,0,(unsigned char *)"  PIANO SYSTEM  ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                lcd_putsf(0,0,(unsigned char *)"    GOOD BYE    ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                PowerOffDisplayState =POWER_OFF_UNDISPLAY;
            }
            else if(PowerOffDisplayState == POWER_OFF_UNDISPLAY){
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");
            }
            if (key == K_POWER){
                mode = POWER_ON_MODE;
                key =0;
                _delay_ms(100);
            }
        }
        else if(mode == NOMAL_MODE){
            lcd_putsf(0,0,(unsigned char *)    "   NOMAL MODE   ");
            lcd_putsf(0,1,(unsigned char *)"                ");
            
            if (key == 0b00011110){
                PORTA = 0b11111110;
                sprintf(str,"                ");
                str[1]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(DO);
            }
            else if (key==0b00101110){
                PORTA = 0b11111101;
                sprintf(str,"                ");
                str[3]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(RE);
            }
            else if (key == 0b1001110){
                PORTA = 0b11111011;
                sprintf(str,"                ");
                str[5]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(MI);
            }
            else if (key == 0b00011101){
                PORTA = 0b11110111;
                sprintf(str,"                ");
                str[7]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(FA);
            }
            else if (key == 0b00101101){
                PORTA = 0b11101111;
                sprintf(str,"                ");
                str[9]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(SOL);
            }
            else if (key == 0b01001101){
                PORTA = 0b11011111;
                sprintf(str,"                ");
                str[11]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(RA);
            }
            else if(key ==0b00011011){
                PORTA = 0b10111111;
                sprintf(str,"                ");
                str[13]=255;
                lcd_putsf(0,1,(unsigned char *)str);
                freq(SI);
            }
            else
            {
                OCR1A=0;
                PORTA = 0xff;
                sprintf(str,"                ");
                lcd_putsf(0,1,(unsigned char *)str);
            }
            if (key == K_POWER){ // POWER KEY 입력시 OFF 모드로 이동한다.
                mode = POWER_OFF_MODE;
                PowerOnDisplayState = POWER_ON_DISPLAY;
                key =0;
                _delay_ms(100);
            }
            if (key == K_MENU){
                mode = MENU_SELECT_MODE;
                menuSelectCount =0;
                key=0;
                _delay_ms(100);
            }
        }
        else if(mode == MENU_SELECT_MODE){
            lcd_putsf(0,0,(unsigned char *)"    M E N U     ");
            if (menuSelectCount == MENU_RECORD_MODE){
                lcd_putsf(0,1,(unsigned char *)"1. Recording    ");
                if (key == K_MENU){
                    mode = RECORD_MODE;
                    key=0;
                    _delay_ms(100);
                }
            }
            else if(menuSelectCount == MENU_LISTEN_MODE){
                lcd_putsf(0,1,(unsigned char *)"2. Listening    ");
                if (key == K_MENU){
                    mode = LISTEN_MODE;
                    key=0;
                    _delay_ms(100);
                }
            }
            else if(menuSelectCount == MENU_EXAM_MODE){
                lcd_putsf(0,1,(unsigned char *)"3. Example      ");
                if (key == K_MENU){
                    mode = EXAM_SELECT_MODE;
                    ExamSelectCount =0;
                    key=0;
                    _delay_ms(100);
                }
            }
            else if(menuSelectCount == MENU_RETURN_MODE){
                lcd_putsf(0,1,(unsigned char *)"4. Return       ");
                if (key == K_MENU){
                    mode = NOMAL_MODE;
                    key=0;
                    _delay_ms(100);
                }
            }
        }
        else if(mode == RECORD_MODE){
            lcd_putsf(0,0,(unsigned char *)"  Recording..   ");
            lcd_putsf(0,1,(unsigned char *)"                ");
        }
        else if(mode == LISTEN_MODE){
            lcd_putsf(0,0,(unsigned char *)"  Listening..   ");
            lcd_putsf(0,1,(unsigned char *)"                ");
        }
        
    }
}
 
 
 cs

 

 

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piano.pdf

lcd.h

piano.zip

 

// Piano 만들기 시작

1. Power ON/OFF 기능 구현

2. Key Matrix 입력시 스피커 출력 음계 구현

 

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/*
 * piano-0911.cpp
 *
 * Created: 2018-09-11 오전 11:27:56
 * Author : USER
 */ 
 
#include <avr/io.h>
#define F_CPU 16000000
#define __DELAY_BACKWARD_COMPATIBLE__
#include <util/delay.h>
#include <stdio.h>
#include "lcd.h"
#include <stdlib.h>
 
//MODE 전원
#define PLAYMODE 1
#define OFFMODE 0
 
//음계
#define DO 261.63
#define RE 293.66
#define MI 329.63
#define FA 349.23
#define SOL 391.99
#define RA 440.0
#define SI 493.88
 
// Key Matrix 함수
unsigned char getKey(){
    unsigned char key = 0,result =0;
    for (int i=0; i<3;i++){
        if (i==0)PORTD = 0b11111110;
        if (i==1)PORTD = 0b11111101;
        if (i==2)PORTD = 0b11111011;
    
        _delay_ms(5);
    
        key = (~PIND & 0xf0);
        if (key){
            return key|(PORTD & 0x0f);
        }
    }
    return 0;
}
 
// 음계 출력 Buzzer(주파수, 출력횟수)
void Buzzer(double hz,int count){
    for (int i=0;i<count; i++){
        PORTB = 0xff;
        _delay_ms(((double)1000/hz)/2);
        PORTB = 0x00;
        _delay_ms(((double)1000/hz)/2);
    }
}
 
// 음악 저장
int school[25]= {SOL,SOL,RA,RA,SOL,SOL,MI, SOL,SOL,MI,MI,RE,SOL,SOL,RA,RA,SOL,SOL,MI,SOL,MI,RE,MI,DO};
int plane [25]=    {MI,RE,DO,RE,MI,MI,MI,RE,RE,RE,MI,MI,MI,MI,RE,DO,RE,MI,MI,MI,RE,RE,MI,RE,DO};
    
int main(void)
{
    DDRA= 0xff; // LED 출력 설정
    DDRB = 0xff; // 스피커 출력 설정 
    DDRD = 0x0f; // key Matrix 입출력 설정
    
    PORTA = 0xff; // LED OFF
    PORTD = 0xff; // Key Matrix 초기값
    
    int mode =0;
    
    char str[16];
    lcd_init();
    lcd_clear();
    /* Replace with your application code */
    
    while (1) 
    {        
        if (mode == PLAYMODE){
            lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
            lcd_putsf(0,1,(unsigned char *)"    POWER ON!   "); // 꺼짐 > 켜짐 상태 변경 후 3초 뒤 사라짐.
            
        
            //itoa(getKey(), str, 2); // char 문자열을 2진수로 변환 itoa함수 stdlib.h헤더파일에 위치함.
            //lcd_putsf(0,0,(unsigned char *)str); // LCD 출력
            //lcd_putsf(0,1,(unsigned char *)"  ");
            if (getKey() == 0b00011110){
                Buzzer(DO,50);
            }
            if (getKey()==0b00101110){
                Buzzer(RE,50);
            }
            if (getKey() == 0b1001110){
                Buzzer(MI,50);
            }
            if (getKey() == 0b00011101){
                Buzzer(FA,50);
            }
            if (getKey() == 0b00101101){
                Buzzer(SOL,50);
            }
            if (getKey() == 0b01001101){
                Buzzer(RA,50);
            }
            if(getKey()==0b00011011){
                Buzzer(SI,50);
            }
        
        }
        else if (mode == OFFMODE){
            // 켜짐 > 꺼짐
            lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
            lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
            //1초 후
            lcd_putsf(0,0,(unsigned char *)"    GOOD BYE    ");
            // 1초 후 공백
            lcd_putsf(0,0,(unsigned char *)"                ");
            lcd_putsf(0,0,(unsigned char *)"                ");
        }
    }
}
 
 
 cs

 

 

//앞 뒤 납땜

 

 

 

 

 

// LCD출력중..

/*

모드별 LCD ON/OFF 문구 출력

키입력시 건반모양 출력 구현 필요

스위치(건반) 입력시 스피커 출력 타이머 카운터로 구현 필요

*/

 

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/*
 * piano-0911.cpp
 *
 * Created: 2018-09-11 오전 11:27:56
 * Author : USER
 */ 
 
#include <avr/io.h>
#define F_CPU 16000000
#define __DELAY_BACKWARD_COMPATIBLE__
#include <util/delay.h>
#include <stdio.h>
#include "lcd.h"
#include <stdlib.h>
 
//MODE 전원
#define PLAYMODE 1
#define OFFMODE 0
 
//음계
#define DO 261.63
#define RE 293.66
#define MI 329.63
#define FA 349.23
#define SOL 391.99
#define RA 440.0
#define SI 493.88
 
 
// Key Matrix 함수
unsigned char getKey(){
    unsigned char key = 0,result =0;
    for (int i=0; i<3;i++){
        if (i==0)PORTD = 0b11111110;
        if (i==1)PORTD = 0b11111101;
        if (i==2)PORTD = 0b11111011;
    
        _delay_ms(5);
    
        key = (~PIND & 0xf0);
        if (key){
            return key|(PORTD & 0x0f);
        }
    }
    return 0;
}
 
// 음계 출력 Buzzer(주파수, 출력횟수)
void Buzzer(double hz,int count){
    for (int i=0;i<count; i++){
        PORTB = 0xff;
        _delay_ms(((double)1000/hz)/2);
        PORTB = 0x00;
        _delay_ms(((double)1000/hz)/2);
    }
}
 
// 음악 저장
int school[25]= {SOL,SOL,RA,RA,SOL,SOL,MI, SOL,SOL,MI,MI,RE,SOL,SOL,RA,RA,SOL,SOL,MI,SOL,MI,RE,MI,DO};
int plane [25]=    {MI,RE,DO,RE,MI,MI,MI,RE,RE,RE,MI,MI,MI,MI,RE,DO,RE,MI,MI,MI,RE,RE,MI,RE,DO};
    
int main(void)
{
    DDRA= 0xff; // LED 출력 설정
    DDRB = 0xff; // 스피커 출력 설정 
    DDRD = 0x0f; // key Matrix 입출력 설정
    
    PORTA = 0xff; // LED OFF
    PORTD = 0xff; // Key Matrix 초기값
 
    int mode =OFFMODE , modeFlag =1, playmodeFlag=0;
    int keyFlag =0;
    
    char str[16];
    lcd_init();
    lcd_clear();
    /* Replace with your application code */
    
    while (1) 
    {        
        // SW8 00101011
        // SW9 01001011
        if (getKey() == 0b01001011){
            if (mode == PLAYMODE){
                mode =OFFMODE; modeFlag=0;
            }
            else if (mode == OFFMODE){
                mode =PLAYMODE;
                playmodeFlag =0;
            }
            keyFlag=1;
        }
        else if (getKey()== 0x00) keyFlag=0;
        
        if (mode == PLAYMODE){
            if (playmodeFlag ==0){
            lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
            lcd_putsf(0,1,(unsigned char *)"    POWER ON!   "); // 꺼짐 > 켜짐 상태 변경 후 3초 뒤 사라짐.
            _delay_ms(3000);
            lcd_putsf(0,1,(unsigned char *)"                ");
            playmodeFlag =1;
            }
            else if(playmodeFlag ==1){
                lcd_putsf(0,0,(unsigned char *)"  PIANO START!  ");
            }
            //itoa(getKey(), str, 2); // char 문자열을 2진수로 변환 itoa함수 stdlib.h헤더파일에 위치함.
            //lcd_putsf(0,0,(unsigned char *)str); // LCD 출력
            //lcd_putsf(0,1,(unsigned char *)"  ");
            if (getKey() == 0b00011110){
                Buzzer(DO,50);
            }
            else if (getKey()==0b00101110){
                Buzzer(RE,50);
            }
            else if (getKey() == 0b1001110){
                Buzzer(MI,50);
            }
            else if (getKey() == 0b00011101){
                Buzzer(FA,50);
            }
            else if (getKey() == 0b00101101){
                Buzzer(SOL,50);
            }
            else if (getKey() == 0b01001101){
                Buzzer(RA,50);
            }
            else if(getKey()==0b00011011){
                Buzzer(SI,50);
            }
        }
        else if (mode == OFFMODE){
            if(modeFlag ==0){
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");
                lcd_putsf(0,0,(unsigned char *)"  PIANO SYSTEM  ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                lcd_putsf(0,0,(unsigned char *)"    GOOD BYE    ");
                lcd_putsf(0,1,(unsigned char *)"   POWER OFF!   ");
                _delay_ms(1000);
                modeFlag=1;
            }
            else if (modeFlag==1){
                lcd_putsf(0,0,(unsigned char *)"                ");
                lcd_putsf(0,1,(unsigned char *)"                ");    
            }
        }
    }
}
 
 
 cs

 

 

 

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회로도 및 소스자료 참고.

 

 

01.NPAVR-100.pdf

02.AVR 교육자료(교재).pdf

 

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* Dot Matrix

 

1. 하트를 그리고, 그 하트를 방향키를 이용하여 움직인다.

 

2. 불켜기 게임을 Dotmatrix로 구현한다. 25개를 다 켜면 HLED가 ON/OFF

 

3. 폭탄 피하기 게임

 

* Key Matrix

 

1. 핸드폰 영문자판 흉내내기

 - 키매트릭스를 핸드폰 자판이라 생각하고 LCD에 글을 써보자

 

* HLED 녹화하기

 - 타이머 인터럽트를 이용해서 구현하기

 

 

 

** 고난도 프로젝트

 

LCD에 Key입력을 받아 명령을 수행한다.

 

MTR RI 30 모터를 오른쪽으로 30도 이동 

MTR LE 15 모터를 왼쪽으로 15도 이동

 

...

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// 서보모터 구현하기

Timer/Counter와 Delay를 이용하여 구현

 

1. Timer/Counter를 이용하여 구현

 

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/*
 * avr_motor_0910.cpp
 *
 * Created: 2018-09-10 오후 2:07:45
 * Author : USER
 */ 
 
#include <avr/io.h>
#define F_CPU 16000000
#include <util/delay.h>
#include "lcd.h"
#include <stdio.h>
#include <avr/interrupt.h>
 
 
 
void io_init(void)
{
    MCUCR|=(1<<SRE) | (1<<SRW10);
    XMCRA=(1<<SRL2) | (0<<SRL1) | (0<<SRL0) | (1<<SRW01) | (1<<SRW00) | (1<<SRW11);
    XMCRB |= 0x00;
}
 
unsigned int tCount =0;
unsigned int servoCount =0;
 
ISR (TIMER0_OVF_vect){ // 100us
    TCNT0 = 256 -50;
    tCount ++;    
    if ( tCount>= 0 && tCount<=7) PORTB = 0xff;
    else if (tCount>7 && tCount <230) PORTB = 0x00;
    else tCount=0;
}
int main(void)
{
    /* Replace with your application code */
    DDRB = 0xff;
    DDRE = 0x00; // 스위치
 
    PORTE = 0x70;
    PORTB = 0x01;
    
    io_init();
    lcd_init();
    
    int flag =0;
    TIMSK = 0x01;
    TCCR0 = 0x03;
    TCNT0 = 256 -50;
    sei();
    while (1) 
    {    
    
    
    }
}
 
 
 cs

 

 

2. delay함수를 이용하여 구현

 

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/*
 * avr_motor_0910.cpp
 *
 * Created: 2018-09-10 오후 2:07:45
 * Author : USER
 */ 
 
#include <avr/io.h>
#define F_CPU 16000000
#include <util/delay.h>
#include "lcd.h"
#include <stdio.h>
#include <avr/interrupt.h>
 
 
 
void io_init(void)
{
    MCUCR|=(1<<SRE) | (1<<SRW10);
    XMCRA=(1<<SRL2) | (0<<SRL1) | (0<<SRL0) | (1<<SRW01) | (1<<SRW00) | (1<<SRW11);
    XMCRB |= 0x00;
}
 
unsigned int tCount =0;
unsigned int servoCount =0;
 
 
int main(void)
{
    /* Replace with your application code */
    DDRB = 0xff;
    DDRE = 0x00; // 스위치
 
    PORTE = 0x70;
    PORTB = 0x01;
    
    io_init();
    lcd_init();
    
    int flag =0;
    while (1) 
    {    
    
        
        
        if (((PINE & 0x10)== 0x00)&& flag ==0){
            
            for (int i=0; i<100;i++){
                PORTB = 0xff;
                _delay_us(700);
                PORTB = 0x00;
                _delay_us(19300);
            }
            flag =1;
        }
        else if (((PINE & 0x20)==0x00)&& flag==0){
                    for (int i = 0; i<100;i++){
                        PORTB = 0xff;
                        _delay_us(2300);
                        PORTB = 0x00;
                        _delay_us(17700);
                    }
            flag=1;
        }
        else if (((PINE &0x40)== 0x00)&& flag==0){
            for (int i = 0; i<100;i++){
                PORTB = 0xff;
                _delay_us(1500);
                PORTB = 0x00;
                _delay_us(18500);
            }
            flag =1;
        }
        else if (PINE==0xff) flag=0;
    
    }
}
 
 
 cs

 

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/*
 * avr_motor_0910.cpp
 *
 * Created: 2018-09-10 오후 2:07:45
 * Author : USER
 */ 
 
#include <avr/io.h>
#define F_CPU 16000000
#include <util/delay.h>
#include "lcd.h"
#include <stdio.h>
 
void DC_Motor30(){
    PORTB = 0x40;
    _delay_us(30);
    PORTB = 0x20;
    _delay_us(70);
}
void DC_Motor50(){
    PORTB = 0x40;
    _delay_us(50);
    PORTB = 0x20;
    _delay_us(50);
}
void DC_Motor70(){
    PORTB = 0x40;
    _delay_us(70);
    PORTB = 0x20;
    _delay_us(30);
}
void Step_MotorFW(){
    PORTB = 0x01;
    _delay_ms(20);
    PORTB = 0x02;
    _delay_ms(20);
    PORTB = 0x04;
    _delay_ms(20);
    PORTB = 0x08;
    _delay_ms(20);
}
void Step_MotorBW(){
    PORTB = 0x08;
    _delay_ms(20);
    PORTB = 0x04;
    _delay_ms(20);
    PORTB = 0x02;
    _delay_ms(20);
    PORTB = 0x01;
    _delay_ms(20);
}
void io_init(void)
{
    MCUCR|=(1<<SRE) | (1<<SRW10);
    XMCRA=(1<<SRL2) | (0<<SRL1) | (0<<SRL0) | (1<<SRW01) | (1<<SRW00) | (1<<SRW11);
    XMCRB |= 0x00;
}
 
int main(void)
{
    /* Replace with your application code */
    DDRB = 0x0f;
    DDRE = 0x00; // 스위치
 
    PORTE = 0x70;
    PORTB = 0x01;
    
    io_init();
    lcd_init();
 
    char temp[16];
    int degree =0,flag =0, current_degree=0;;
    
 
    while (1) 
    {        
 
        if (((PINE & 0x10)==0x00)&& flag ==0){
            if(degree >=15) degree = degree-15;
        flag =1;
        }
        else if (((PINE & 0x20)==0x00)&& flag ==0){
            if(degree <360) degree     = degree+15;
            flag=1;
        }
        else if(PINE == 0xff){
            flag=0;
        }
        // 스텝모터 동작(미완성)
        if (((PINE & 0x40) == 0x00)&& flag ==0){ 
            if (current_degree < degree)
                PORTB= PORTB <<1;
                _delay_ms(20);
                if (PORTB ==0x10){ PORTB = 0x01;
                    _delay_ms(20);
                }
            }
            flag=1;
        }
        else if (PINE ==0xff) flag =0;
        sprintf(temp,"> %d    ", degree);
        lcd_putsf(0,0,"  Input Degree  ");
        lcd_putsf(0,1,temp);
    }
}
 
 
 cs

 

// 여러 방법이 있지만, 여기서는  

void Step_MotorFW(){
    PORTB = 0x01;
    _delay_ms(20);
    PORTB = 0x02;
    _delay_ms(20);
    PORTB = 0x04;
    _delay_ms(20);
    PORTB = 0x08;
    _delay_ms(20);
}

// 4차례를 순서대로 이동시켜야 스텝모터가 동작 한다.

 

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