Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- ;------------------------------------------------------------------------
- ; Reset and Interrupt Vector ;VNr. Beschreibung
- rjmp main ;1 POWER ON RESET
- reti ;2 Int0-Interrupt
- reti ;3 Int1-Interrupt
- reti ;4 TC2 Compare Match
- reti ;5 TC2 Overflow
- reti ;6 TC1 Capture
- reti ;7 TC1 Compare Match A
- reti ;8 TC1 Compare Match B
- reti ;9 TC1 Overflow
- reti ;10 TC0 Overflow
- reti ;11 SPI, STC Serial Transfer Complete
- reti ;12 UART Rx Complete
- reti ;13 UART Data Register Empty
- reti ;14 UART Tx Complete
- reti ;15 ADC Conversion Complete
- reti ;16 EEPROM Ready
- reti ;17 Analog Comparator
- reti ;18 TWI (I2C) Serial Interface
- reti ;19 Store Program Memory Ready
- ;------------------------------------------------------------------------
- ; Start, Power On, Reset
- main: ldi r16,lo8(RAMEND)
- out SPL,r16
- ldi r16,hi8(RAMEND)
- out SPH,r16
- ;PORT B2 = OUTPUT
- ;SUMMER
- sbi DDRB,2
- ;PORTC 0 = INPUT
- ;POT. 1[C0 / ADC0]
- cbi DDRC,0
- cbi DDRC,1
- ;PULLUP
- sbi DDRC,0
- sbi DDRC,1
- ;Initialisierung ADC [ADEN = 1 : Conversion enabled]
- ldi r16, (1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0)
- out ADCSR, r16
- ;------------------------------------------------------------------------
- mainloop: wdr
- ;Channel[0 = ADC0, 1 = ADC1, 2 = ADC2 ...]
- ldi r19,20
- add r19,r1
- mul r19,2
- doit:
- rcall adco1
- ldi r16,4
- out PORTB,r16
- rcall waitpotims
- ldi r16,0
- out PORTB,r16
- rcall waitpotims
- dec r19
- tst r19
- brne doit
- ldi ZL,lo8(pot1)
- ldi ZH,hi8(pot1)
- mov r25,r1
- rcall displayTextNumber
- rcall wait500ms
- ldi r19,20
- add r19,r1
- mul r19,2
- doagain:
- rcall adco2
- ldi r16,4
- out PORTB,r16
- rcall waitpotims
- ldi r16,0
- out PORTB,r16
- rcall waitpotims
- dec r19
- tst r19
- brne doagain
- ldi ZL,lo8(pot2)
- ldi ZH,hi8(pot2)
- mov r25,r1
- rcall displayTextNumber
- rcall wait500ms
- rjmp mainloop
- adco1:
- ldi r16, (1<<REFS0)// set channel
- out ADMUX, r16
- sbi ADCSRA, ADSC // start conversion
- wait_for_conv_finished:
- sbic ADCSRA, ADSC //bit ADSC goes low after conversion done
- rjmp wait_for_conv_finished
- in r1, ADCL
- in r2, ADCH
- ret
- adco2:
- ldi r16, (1<<REFS0) | 1// set channel
- out ADMUX, r16
- sbi ADCSRA, ADSC // start conversion
- wait_for_conv_finished2:
- sbic ADCSRA, ADSC //bit ADSC goes low after conversion done
- rjmp wait_for_conv_finished2
- in r1, ADCL
- in r2, ADCH
- ret
- waitpotims: add r16,r1 ;50 * 10ms = 0,5s
- rcall wait10ms
- ret
- wait500ms: ldi r16,50 ;50 * 10ms = 0,5s
- rcall wait10ms
- ret
- wait10ms: tst r16
- breq wait10msc
- push r16
- push r24
- push r25
- wait10ms1: wdr
- ldi r24,lo8(3686400/3200)
- ldi r25,hi8(3686400/3200)
- wait10ms2: sbiw r24,1
- brne wait10ms2
- dec r16
- brne wait10ms1
- pop r25
- pop r24
- pop r16
- wait10msc: ret
- #include "lcd_display.s"
- .text
- pot1: .string "Pot.1: "
- pot2: .string "Pot.2: "
Advertisement
Add Comment
Please, Sign In to add comment
