2017-06-09 12:09:23 +02:00
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.equ PINA = 0x00 ; définition des adresses des ports
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2017-05-19 05:49:51 +02:00
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.equ DDRA = 0x01
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.equ PORTA = 0x02
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.equ PINB = 0x03
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.equ DDRB = 0x04
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.equ PORTB = 0x05
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.equ RAMEND = 0x21FF
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.equ SPH = 0x3E ; initialisation de la pile
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.equ SPL = 0x3D
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.equ SREG = 0x3F
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.equ ADMUX = 0x7C
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.equ ADCSRB = 0x7B
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.equ ADCSRA = 0x7A
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.equ ADCH = 0x79
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.equ ADCL = 0x78
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.def temp = r20
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.def consigne = r21
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.org 0x000
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; Vecteur RESET
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jmp debut
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.org 0x0080
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2017-06-09 12:09:23 +02:00
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codeAff: ; Représentation des chiffres sur l'afficheur 7-segments
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.db 0b1111110, 0b001100, 0b0110111, 0b0011111, 0b1001101, 0b1011011, 0b1111011, 0b0001110, 0b1111111, 0b1011111
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2017-05-19 05:49:51 +02:00
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debut:
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2017-06-09 12:09:23 +02:00
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; Initialisation de la pile
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2017-05-19 05:49:51 +02:00
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ldi r28, low(RAMEND)
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ldi r29, high(RAMEND)
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out SPL, r28
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out SPH, r29
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DDRA@IO <- 0b01111111
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DDRB@IO <- 0xFF
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2017-06-09 12:09:23 +02:00
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ADCSRB <- 0b01000010
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2017-05-19 05:49:51 +02:00
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boucle:
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2017-06-09 12:09:23 +02:00
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; Déclenchement de le lecture de la consigne
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2017-05-19 05:49:51 +02:00
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ADMUX <- 0b01100000
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2017-06-09 12:09:23 +02:00
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2017-05-19 05:49:51 +02:00
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attente1:
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si (ADCSRA & 0b00010000) = 0 saut attente1
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2017-06-09 12:09:23 +02:00
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; Lecture de la consigne
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consigne <- ADCH / 8 + 20
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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; Mode hors-gel
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si (PINA@IO & 0b10000000) == 0 alors consigne <- 12
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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; Déclenchement de la lecture de la température
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ADMUX <- 0b01100001
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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attente2:
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si (ADCSRA & 0b00010000) = 0 saut attente2
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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temp <- ADCH / 4
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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; Affichage
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PORTA@IO <- codeAff@ROM[temp/20]
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PORTB@IO <- codeAff@ROM[temp-(temp/20)*20]
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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; Gestion du radiateur
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si consigne - 1 > temp alors PORTB@IO <- PORTB@IO | 0b10000000
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si consigne + 1 < temp alors PORTB@IO <- PORTB@IO & 0b01111111
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2017-05-19 05:49:51 +02:00
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2017-06-09 12:09:23 +02:00
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jmp boucle
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2017-05-19 05:49:51 +02:00
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