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authorLeonard Kugis <leonard@kug.is>2020-09-03 17:24:11 +0200
committerLeonard Kugis <leonard@kug.is>2020-09-03 17:24:11 +0200
commitc47dd91780b474f2166a5edc21666445d7fd6405 (patch)
treea688907278ab8f1f774bad096be984c23543906e
parent63c7b4a4f234d60ec7afdc6ca15684d25c9a7fa9 (diff)
Input
Readout bits not negated. Manual clearing of input shift register.
-rw-r--r--Software/pinlock.asm48
1 files changed, 24 insertions, 24 deletions
diff --git a/Software/pinlock.asm b/Software/pinlock.asm
index 84d4dd7..b088dab 100644
--- a/Software/pinlock.asm
+++ b/Software/pinlock.asm
@@ -24,8 +24,10 @@ init:
ldi tmp0, 0b11101110
out DDRD, tmp0
cbi PORTC, 0
+ sbi PORTC, 6
sbi DDRC, 0
sbi DDRC, 1
+ sbi DDRC, 6
ldi tmp0, 0b00000000
out PORTD, tmp0
ldi heart, 0
@@ -286,8 +288,25 @@ input_write_high:
rcall input_write_clk
ret
input_read:
- ; load
push tmp0
+ ; clear
+ cbi PORTC, 6
+ push par0
+ push par1
+ push par2
+ ldi par0, 1
+ ldi par1, 1
+ ldi par2, 1
+ rcall wait
+ sbi PORTC, 6
+ ldi par0, 1
+ ldi par1, 1
+ ldi par2, 1
+ rcall wait
+ pop par2
+ pop par1
+ pop par0
+ ; load
sbi PORTD, 2
cbi PORTD, 2
push par0
@@ -335,12 +354,12 @@ input_write_clk:
ldi par0, 1
ldi par1, 1
ldi par2, 1
- rcall wait
+ ;rcall wait
sbi PORTC, 1
ldi par0, 1
ldi par1, 1
ldi par2, 1
- rcall wait
+ ;rcall wait
pop par2
pop par1
pop par0
@@ -353,12 +372,12 @@ input_read_clk:
ldi par0, 1
ldi par1, 1
ldi par2, 1
- rcall wait
+ ;rcall wait
sbi PORTD, 5
ldi par0, 1
ldi par1, 1
ldi par2, 1
- rcall wait
+ ;rcall wait
pop par2
pop par1
pop par0
@@ -367,26 +386,7 @@ input_read_bit:
ldi ret2, 0
sbic PIND, 4
ldi ret2, 1
- ;
- ;cpi ret2, 0
- ;breq debug_dsp
- ;push par0
- ;push par1
- ;ldi par0, 0
- ;ldi par1, 1
- ;rcall display
- ;pop par1
- ;pop par0
ret
-;debug_dsp:
- ;push par0
- ;push par1
- ;ldi par0, 0
- ;ldi par1, 7
- ;rcall display
- ;pop par1
- ;pop par0
- ;ret
input_read_row_0:
andi ret0, 0xF0
or ret0, tmp0