0,0 → 1,98 |
/* mija 2008 |
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nanotern01A |
ver.: 0.0 tested |
*/ |
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//************************************************************* |
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#include <avr/io.h> |
#include <util/delay.h> |
#include <avr/interrupt.h> |
#include <avr/sleep.h> |
#include "rs232.h" |
#include "lcd.h" |
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//************************************************************* |
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void line_feed(void); |
void PWM_init(void); |
void COMP_init(void); |
ISR(ANA_COMP_vect); |
void main(void); |
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//************************************************************* |
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#define text "Test 0.0" |
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//************************************************************* |
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uint8_t a,pos; |
uint8_t buf[8] = text; |
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//************************************************************* |
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void line_feed(void) |
{ |
uint8_t length; |
LCD_clear(); |
length=pos; |
while(pos) {LCD_putc(buf[length-(pos)]);buf[length-(pos--)]=0x20;} |
LCD_gotoxy(length+1,2); |
pos=length; |
} |
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void PWM_init(void) |
{ |
TCNT1 = 0; |
OCR1B = 0x1; |
DDRB |= _BV(PB4); |
TCCR1A |= _BV(COM1B1) | _BV(WGM10); |
TCCR1B |= _BV(WGM12) | _BV(CS10); |
} |
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void PWM_set(void) |
{ |
if (ACSR & _BV(ACO)) OCR1BL = 0x1f; |
else OCR1BL = 0x1; |
} |
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void COMP_init(void) |
{ |
ACSR |= _BV(ACBG) | _BV(ACIE); |
DIDR |= _BV(AIN1D); |
} |
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ISR(ANA_COMP_vect) |
{ |
PWM_set(); |
} |
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void main(void) |
{ |
LCD_init(); |
rs232_init(); |
PWM_init(); |
COMP_init(); |
PWM_set(); |
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LCD_clear(); |
for (pos=0;pos<8;pos++) LCD_putc(buf[pos]); |
LCD_gotoxy(1,2); |
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sei(); |
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pos=0; |
for(;;) |
{ |
a=rs232_get(); |
switch (a) |
{ |
case ('\n'): line_feed();break; |
case ('\r'): LCD_gotoxy(1,2);pos=0;break; |
case ('\f'): LCD_clear();LCD_gotoxy(1,2);pos=0;break; |
default :if(pos > 7 ) {line_feed();LCD_gotoxy(1,2);pos=0;} LCD_putc(a);buf[pos++]=a; |
} |
} |
} |