system.c

FM12864液晶驱动,单片机为ATMEGA48,GCC编译器开发,其中包含ADC和串口程序.

#include "atmega.h"
#include <avr/io.h>
#include <avr/pgmspace.h>

#include <util/delay.h>
#include <avr/signal.h>
#include <avr/interrupt.h>
#include "wordlib.h"
#include "lcd.h"
#include "adc.h"
#include "usart.h"
/***********************************************************************/
#define pgm_read_byte(address_short) pgm_read_byte_near(address_short)
#define pgm_read_word_near(address_short) __LPM_word((uint16_t)(address_short))
/***********************************************************************/
void init_cpu()
{
	DDRB  = 0xff;
	DDRC  = 0XFF;
	DDRD  = 0XFF;
	PORTB = 0xff;
	PORTC = 0xff;
	PORTD = 0xff;
}

/***********************************************************************/
void display_interface(void)
{
	display_image(image);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	clear_lcd();
	display_character_int(1,1,character,0);
	display_character_int(1,2,character,1);
	display_character_int(1,3,character,2);
	display_character_int(1,4,character,3);
	display_character_int(1,5,character,4);
	display_character_int(1,6,character,5);
	display_character_int(1,7,character,6);
	display_character_int(1,8,character,7);

	display_character_int(2,1,character,8);
	display_character_int(2,2,character,9);
	display_character_int(2,3,character,10);
	display_character_int(2,4,character,11);
	display_character_int(2,5,character,12);
	display_character_int(2,6,character,13);
	display_character_int(2,7,character,14);
	display_character_int(2,8,character,15);

	display_character_int(3,1,character,16);
	display_character_int(3,2,character,17);
	display_character_int(3,3,character,18);
	display_character_int(3,4,character,19);
	display_character_int(3,5,character,20);
	display_character_int(3,6,character,21);
	display_character_int(3,7,character,22);
	display_character_int(3,8,character,23);
	display_character_char(4,1,symbol,0);
	display_character_char(4,2,symbol,0);
	display_character_char(4,3,symbol,0);
	display_character_char(4,4,symbol,0);
	display_character_char(4,5,symbol,0);
	display_character_char(4,6,symbol,0);
	display_character_char(4,7,symbol,0);
	display_character_char(4,8,symbol,0);
	display_character_char(4,9,symbol,0);
	display_character_char(4,10,symbol,0);
	display_character_char(4,11,symbol,0);
	display_character_char(4,12,symbol,0);
	display_character_char(4,13,symbol,0);
	display_character_char(4,14,symbol,0);
	display_character_char(4,15,symbol,0);
	display_character_char(4,16,symbol,0);
}
/***********************************************************************/
void display_low_power(void)
{
	display_character_char(4,16,symbol,2);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	display_character_char(4,16,symbol,3);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
	_delay_ms(1000);
}
/***********************************************************************/
unsigned int main(void)
{
	unsigned char buffer;
//	init_cpu();
//	init_lcd();
	sei();
//	open_adc(1);
	init_usart();
	while(1)
	{
		buffer = UCSR0A;
		if(buffer & 0x20)send_com(0x55);
	}
	return 0;
}