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changed to only send timer values on level change (first initial checkin)
[my-code/atmel.git]
/
monolyzer
/
port.asm
diff --git
a/monolyzer/port.asm
b/monolyzer/port.asm
index
2e81611
..
d3ea524
100644
(file)
--- a/
monolyzer/port.asm
+++ b/
monolyzer/port.asm
@@
-2,13
+2,11
@@
PORT_INIT:
PORT_INIT:
- ; port b 0-7 -> input (useless, default)
- ldi tmp1,0x00
- out DDRB,tmp1
+ ; port d 2 -> input (useless, default)
+ cbi DDRD,2
- ; switch pull-up off for inputs (useless, default)
- ldi tmp1,0x00
- out PORTB,tmp1
+ ; switch pull-up off (useless, default)
+ cbi DDRD,2
; port d pin 6 -> output
sbi DDRD,6
; port d pin 6 -> output
sbi DDRD,6
@@
-16,11
+14,37
@@
PORT_INIT:
; port d pin 6 -> high
cbi PORTD,6
; port d pin 6 -> high
cbi PORTD,6
- ; port d 2 -> output (debug 1)
- sbi DDRD,2
-
; port d 3 -> output (debug 2)
sbi DDRD,3
ret
; port d 3 -> output (debug 2)
sbi DDRD,3
ret
+
+INT0_IR_CONF:
+
+ ; trigger interrupt on falling and rising edge
+ in tmp1,MCUCR
+ cbr tmp1,(1<<ISC01)
+ sbr tmp1,(1<<ISC00)
+ out MCUCR,tmp1
+
+ ret
+
+INT0_IR_ENABLE:
+
+ ; enable interrupt
+ in tmp1,GIMSK
+ sbr tmp1,(1<<INT0)
+ out GIMSK,tmp1
+
+ ret
+
+INT0_IR_DISABLE:
+
+ ; disable interrupt
+ in tmp1,GIMSK
+ cbr tmp1,(1<<INT0)
+ out GIMSK,tmp1
+
+ ret
+