화이트앳-ATMEGA128,AVR 정복,아두이노,Cortex-M3

/**********************************************

switch

// PA0 : SW1 연결, SW1 카운터 증가

// PA2 : SW2 연결, SW2 카운터 증가

// PA4 : SW3 연결, SW3 카운터 증가

// PA6 : SW4 연결, SW4 카운터 증가

// PA7 : SW5 연결, 모든 카운터 초기화

Character LCD Control

PORTB ==> LCD DataLine

LCD_DATA_PORT.5 ==> LCD E

LCD_DATA_PORT.3 ==> LCD RW

LCD_DATA_PORT.1 ==> LCD RS

Main Clock : 11.0592Mhz

// Character LCD 에SW 의눌러진카운터표시

Tools : AVR Studio 4.16

테스트보드: WAT-AVR128 보드

http://avr128.com

*********************************************/

#include <avr/io.h>

#include <avr/interrupt.h>

#include <stdio.h>

#include "wat128.h"

#define SW1_BIT 0

#define SW2_BIT 2

#define SW3_BIT 4

#define SW4_BIT 6

#define SW5_BIT 7

UINT8 chTemp[17];

int g_PushCount[4] = {0,0,0,0};

// 스위치(키)의입력값이변경되었는지와마지막값확인용

unsigned char g_keyvalue = -1; // -1 은입력된값이없을때

unsigned char g_lastkeyvalue = -1; // -1 은입력된값이없을때

void CheckKey()

{

    g_keyvalue = PINA & 0xFF;

    // key 값을처음받을때는카운터하지않는다.

    if(g_lastkeyvalue == -1)

    {

        g_lastkeyvalue = g_keyvalue;

        return;

    }

// switch 의값이변경되었을때만처리하자.

if( g_keyvalue != g_lastkeyvalue)

{

if((g_lastkeyvalue& (1<<SW1_BIT)) && !(g_keyvalue & (1<<SW1_BIT)))

{

g_PushCount[0] ++;

if(g_PushCount[0] >999) g_PushCount[0] = 0;

}

    if((g_lastkeyvalue& (1<<SW2_BIT)) && !(g_keyvalue & (1<<SW2_BIT)))

{

         g_PushCount[1] ++;

if(g_PushCount[1] >999) g_PushCount[1] = 0;

        }

if((g_lastkeyvalue& (1<<SW3_BIT)) && !(g_keyvalue & (1<<SW3_BIT)))

{

             g_PushCount[2] ++;

if(g_PushCount[2] >999) g_PushCount[2] = 0;

}

if((g_lastkeyvalue& (1<<SW4_BIT)) && !(g_keyvalue & (1<<SW4_BIT)))

{

g_PushCount[3] ++;

if(g_PushCount[3] >999) g_PushCount[3] = 0;

}

if((g_lastkeyvalue& (1<<SW5_BIT)) && !(g_keyvalue & (1<<SW5_BIT)))

{

g_PushCount[0] = 0;

g_PushCount[1] = 0;

g_PushCount[2] = 0;

g_PushCount[3] = 0;

}

g_lastkeyvalue = g_keyvalue;

}

}

int main()

{

    // clcd 초기화

    CLCD_Init();

    // sw 초기화

    ClearBit(CLCD_CONTROL_PORT_DIR,SW1_BIT);

    ClearBit(CLCD_CONTROL_PORT_DIR,SW2_BIT);

    ClearBit(CLCD_CONTROL_PORT_DIR,SW3_BIT);

    ClearBit(CLCD_CONTROL_PORT_DIR,SW4_BIT);

    ClearBit(CLCD_CONTROL_PORT_DIR,SW5_BIT);

    while (1)

    {

        CheckKey();

        sprintf(chTemp,"S1:%4d S2:%4d",g_PushCount[0],g_PushCount[1] );

         CLCD_PutString(0,0,chTemp);

        sprintf(chTemp,"S3:%4d,S4:%4d",g_PushCount[2],g_PushCount[3] );

         CLCD_PutString(0,1,chTemp);

    }

}

ATMEGA128 - 1EA

Character LCD – 1EA

AX07001

Switch – 5EA

POWER 5V/1A

/*********************************************

LED 좌우(상하)로이동하기

PC0 -> PC1 -> PC2 -> PC3 -> PC4 -> PC5 -> PC6 -> PC7

-> PC6 -> PC5 -> PC4 -> PC3 -> PC2 -> PC1 -> PC0 순으로

무한이이동하는예제

PORTC ==> LED 연결

Tools : Codevision

http://avr128.com

*********************************************/

#include <mega128.h>

// time delay for us

void Delay_us(char time_us)        

{

    register char i;

    for(i = 0; i < time_us; i++)        

    {

    #asm

         PUSH R0 ;         // 2 cycle +

         POP R0 ;         // 2 cycle +

         PUSH R0 ;         // 2 cycle +

         POP R0 ;         // 2 cycle +

    #endasm

    }

}

// time delay for ms

void Delay_ms(unsigned int time_ms)    

{

    register unsigned int i;

    for(i = 0; i < time_ms; i++)

    {

        Delay_us(250);

        Delay_us(250);

        Delay_us(250);

        Delay_us(250);

    }

}

void main(void)

{

    unsigned char byteData=0xFE;

    char bUp= 1; // 1:UP, 0: DOWN

    // 포트C 를출력으로설정

    DDRC=0xFF;

    // PB0 LED ON

    PORTC = byteData;

    while (1)

    {

    Delay_ms(100);

         if(byteData == 0x7F)

         {

             bUp = 0; // up -> down

        }

        else if(byteData == 0xFE)

         {

             bUp = 1; // down -> up

        }        

        if(bUp)

        {

        byteData <<= 1;

        byteData |= 1;

    }

    else

    {

    byteData >>= 1;

        byteData |= 0x80;

    }

         PORTC = byteData;

    }     

}

ATMEGA128 - 1EA

LED – 8EA

POWER 5V/1A

/*********************************************

LED 교차 점소등하기

PA0, PA2, PA4, PA6 이 점등되면

PA1, PA3, PA5, PA7 이 소등되어

교차 점소등 함

PORTB ==> LED 연결

Tools : Codevision

http://avr128.com

*********************************************/

#include <mega128.h>

// time delay for us

void Delay_us(char time_us)        

{

    register char i;

    for(i = 0; i < time_us; i++)        

    {

    #asm

         PUSH R0 ;         // 2 cycle +

         POP R0 ;         // 2 cycle +

         PUSH R0 ;         // 2 cycle +

         POP R0 ;         // 2 cycle +

         PUSH R0 ;         // 2 cycle +

         POP R0 ;         // 2 cycle +

    #endasm

    }

}

// time delay for ms

void Delay_ms(unsigned int time_ms)    

{

    register unsigned int i;

    for(i = 0; i < time_ms; i++)

    {

        Delay_us(250);

        Delay_us(250);

        Delay_us(250);

        Delay_us(250);

    }

}

void main(void)

{

    // 포트 B 를 출력으로 설정

    DDRB=0xFF;

    // PB1, PB3, PB5, PB7 의 LED 를 ON

    PORTB = 0x55;

    while (1)

    {

    Delay_ms(100);

        // PB0, PB2, PB4, PB6 의 LED 를 ON

         PORTB = 0xAA;

        Delay_ms(100);

        // PB1, PB3, PB5, PB7 의 LED 를 ON

         PORTB = 0x55;

    }     

}

ATMEGA128 - 1EA

LED – 8EA

POWER 5V/1A