Форум РадиоКот

Код: Выделить всё

.def BAM0=R0
.def BAM1=R1
.def BAM2=R2
.def BAM3=R3
.def BAM4=R4
.def BAM5=R5
.def BAM6=R6
.def BAM7=R7

 .org 0
rjmp  RESET ; Reset Handler
	reti//rjmp EXT_INT0 ; IRQ0 Handler
	reti//rjmp EXT_INT1 ; IRQ1 Handler
rjmp TIM2_COMP ; Timer2 Compare Handler
	reti//rjmp TIM2_OVF ; Timer2 Overflow Handler              
	reti//rjmp TIM1_CAPT ; Timer1 Capture Handler
	reti//rjmp TIM1_COMPA ; Timer1 CompareA Handler
	reti//rjmp TIM1_COMPB ; Timer1 CompareB Handler
	reti//rjmp TIM1_OVF ; Timer1 Overflow Handler
	reti//rjmp TIM0_OVF ; Timer0 Overflow Handler          
	reti//rjmp SPI_STC ; SPI Transfer Complete Handler
	reti//rjmp USART_RXC ; USART RX Complete Handler			
	reti//rjmp USART_UDRE ; UDR Empty Handler
	reti//rjmp USART_TXC ; USART TX Complete Handler         
	reti//rjmp ADC ; ADC Conversion Complete Handler
	reti//rjmp EE_RDY ; EEPROM Ready Handler
	reti//rjmp ANA_COMP ; Analog Comparator Handler
	reti//rjmp TWSI ; Two-wire Serial Interface Handler
	reti//rjmp SPM_RDY ; Store Program Memory Ready Handler

TIM2_COMP:

	in R17,OCR2 //канал 0
	AND R17,BAM0
	breq PC+2
	sbi PORTD,0
	brNE PC+2
	cbi PORTD,0

	in R17,OCR2 //канал 1
	AND R17,BAM1
	breq PC+2
	sbi PORTD,1
	brNE PC+2
	cbi PORTD,1

	in R17,OCR2 //канал 2
	AND R17,BAM2
	breq PC+2
	sbi PORTD,2
	brNE PC+2
	cbi PORTD,2

	in R17,OCR2 //канал 3
	AND R17,BAM3
	breq PC+2
	sbi PORTD,3
	brNE PC+2
	cbi PORTD,3

	in R17,OCR2 //канал 4
	AND R17,BAM4
	breq PC+2
	sbi PORTD,4
	brNE PC+2
	cbi PORTD,4

	in R17,OCR2 //канал 5
	AND R17,BAM5
	breq PC+2
	sbi PORTD,5
	brNE PC+2
	cbi PORTD,5

	in R17,OCR2 //канал 6
	AND R17,BAM6
	breq PC+2
	sbi PORTD,6
	brNE PC+2
	cbi PORTD,6

	in R17,OCR2 //канал 7
	AND R17,BAM7
	breq PC+2
	sbi PORTD,7
	brNE PC+2
	cbi PORTD,7


	in R17,OCR2	//сдвиг регистра сравнения
	lsl R17
	brne PC+2
	ldi R17,0x01
	out OCR2,R17	

	reti

RESET:  //	
	cli

	ldi R16,low(RAMEND) // указатель стека в конец памяти
	out spl,R16
	ldi R16,High(RAMEND) 
	out sph,R16

	
	ldi R16,0x2A  //значения каналов BAM
	mov BAM0,R16
	ldi R16,0x02
	mov BAM1,R16
	ldi R16,0x04
	mov BAM2,R16
	ldi R16,0x08
	mov BAM3,R16
	ldi R16,0x10
	mov BAM4,R16
	ldi R16,0x20
	mov BAM5,R16
	ldi R16,0x40
	mov BAM6,R16
	ldi R16,0x80
	mov BAM7,R16
	
	ldi R16,0			//Порт Д
	out PORTD,r16
	ldi R16,0xFF
	out DDRD,R16


	ldi R16,0x01 //регистр сравнения
	out OCR2,R16

	ldi R16,1<<PSR2 //сброс предделителя
	out SFIOR,R16	

	ldi R16,1<<OCIE2 //прерывание сравнение
	out TIMSK,R16

	ldi R16, (1<<CS22)+(1<<CS21)+(1<<CS20)+(1<<WGM21)+(0<<WGM20) //источник тактирования
	out TCCR2,R16

	sei

loop:
	rjmp loop