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arrrrgh!
[my-code/atmel.git]
/
monolyzer
/
timer.asm
1
; timer functions
2
3
TIMER1_INIT_NP:
4
5
; clock select, no prescaler
6
in tmp1,TCCR1B
7
cbr tmp1,(1<<CS12)
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cbr tmp1,(1<<CS11)
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sbr tmp1,(1<<CS10)
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out TCCR1B,tmp1
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ret
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TIMER1_INIT_8:
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; clock select, prescaler 64
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in tmp1,TCCR1B
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cbr tmp1,(1<<CS12)
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sbr tmp1,(1<<CS11)
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cbr tmp1,(1<<CS10)
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out TCCR1B,tmp1
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ret
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TIMER1_INIT_64:
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; clock select, prescaler 64
28
in tmp1,TCCR1B
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cbr tmp1,(1<<CS12)
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sbr tmp1,(1<<CS11)
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sbr tmp1,(1<<CS10)
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out TCCR1B,tmp1
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ret
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TIMER1_INIT_256:
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; clock select, prescaler 256
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in tmp1,TCCR1B
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sbr tmp1,(1<<CS12)
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cbr tmp1,(1<<CS11)
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cbr tmp1,(1<<CS10)
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out TCCR1B,tmp1
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ret
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TIMER1_INIT_1024:
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; clock select, prescaler 1024
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in tmp1,TCCR1B
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sbr tmp1,(1<<CS12)
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cbr tmp1,(1<<CS11)
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sbr tmp1,(1<<CS10)
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out TCCR1B,tmp1
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ret
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TIMER1_INT_ENABLE:
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; overflow interrupt enable
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in tmp1,TIMSK
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sbr tmp1,(1<<TOIE1)
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out TIMSK,tmp1
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ret
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TIMER1_INT_DISABLE:
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; overflow interrupt disable
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in tmp1,TIMSK
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cbr tmp1,(1<<TOIE1)
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out TIMSK,tmp1
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ret
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