bubble/attiny24a_memory-led-game
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refactor: buttons handling

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This commit is contained in:
Sergey Yarkov 2021-10-03 22:18:04 +03:00
parent 8009d0c44e
commit 9dbdb2458f
2 changed files with 59 additions and 72 deletions
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80
firmware.asm
View File

@ -81,10 +81,10 @@
.endm
.macro set_sw_flag
push r16
ldi r16, @0
sts SW_FLAGS_ADDRESS, r16
pop r16
push r19
ldi r19, @0
sts SW_FLAGS_ADDRESS, r19
pop r19
.endm
.dseg ; Data segment
@ -125,42 +125,17 @@ reti ; USI Overflow / inactive
;
; Interrupt service routines
PCINT0_vect:
push r17
push r17
push r18
sbis PINA, PINA4
rjmp sw_check_1
sbic PINA, PINA4
rjmp sw_2nd
in r18, SREG
in r17, PINA ; Load current pins status of PINA
andi r17, 0xf0 ; Get pins status of only buttons
rcall delay_50ms
sts SW_FLAGS_ADDRESS, r17 ; Update flag status in SRAM
out SREG, r18
sw_2nd:
sbis PINA, PINA5
rjmp sw_check_2
sbic PINA, PINA5
rjmp sw_clr
rjmp PCINT0_vect_end
sw_1:
; lds r17, SW_FLAGS_ADDRESS
; cpi r17, 0x01
; breq sw_clr
sw_check_1:
set_sw_flag 0x01
rjmp PCINT0_vect_end
sw_check_2:
set_sw_flag 0x02
rjmp PCINT0_vect_end
; sw_check_flag:
; lds r16, SW_FLAGS_ADDRESS
; sbis PINA, PINA4
; ldi r16, 0x01
; sw_flag_1:
; cpi r16, 0x01
; brne sw_flag_not_found
; sts SW_FLAGS_ADDRESS, r16
; sw_flag_not_found:
sw_clr:
set_sw_flag 0x00
PCINT0_vect_end:
pop r18
pop r17
reti
@ -169,7 +144,7 @@ reti
start:
init_stack_p r16, RAMEND ; Init stack pointer of MCU
set_state INIT_STATE ; Turn MCU state to initialization
set_sw_flag 0x00
loop: ; Program loop
lds r16, CURRENT_STATE_ADDRESS
init: ; Init state
@ -182,26 +157,39 @@ loop: ; Program loop
cpi r16, SHOWING_STATE
brne polling
lds r18, SW_FLAGS_ADDRESS
led_1:
lds r18, SW_FLAGS_ADDRESS
cpi r18, 0x01
cpi r18, 0xe0
brne led_off_1
led_on_1:
sbi LED_PORT, 0
rcall delay_50ms
rjmp led_2
led_off_1:
cbi LED_PORT, 0
led_2:
lds r18, SW_FLAGS_ADDRESS
cpi r18, 0x02
cpi r18, 0xd0
brne led_off_2
led_on_2:
sbi LED_PORT, 1
rcall delay_50ms
rjmp polling
rjmp led_3
led_off_2:
cbi LED_PORT, 1
led_3:
cpi r18, 0xb0
brne led_off_3
led_on_3:
sbi LED_PORT, 2
rjmp led_4
led_off_3:
cbi LED_PORT, 2
led_4:
cpi r18, 0x70
brne led_off_4
led_on_4:
sbi LED_PORT, 3
rjmp polling
led_off_4:
cbi LED_PORT, 3
polling: ; Polling state
cpi r16, POLLING_STATE
brne completion

51
firmware.hex
View File

@ -1,29 +1,28 @@
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