aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/avr8/lib/hardware/timer0.frt
diff options
context:
space:
mode:
Diffstat (limited to 'amforth-6.5/avr8/lib/hardware/timer0.frt')
-rw-r--r--amforth-6.5/avr8/lib/hardware/timer0.frt43
1 files changed, 0 insertions, 43 deletions
diff --git a/amforth-6.5/avr8/lib/hardware/timer0.frt b/amforth-6.5/avr8/lib/hardware/timer0.frt
deleted file mode 100644
index 29670e6..0000000
--- a/amforth-6.5/avr8/lib/hardware/timer0.frt
+++ /dev/null
@@ -1,43 +0,0 @@
-\ TIMER_0 example
-\
-\ requires
-\ in application master file
-\ .set WANT_TIMER_COUNTER_0 = 1
-\ from device.frt
-\ TIMER0_OVFAddr
-\ provides
-\ timer0.tick -- increasing ticker
-\
-\ older mcu's may need
-TCCR0 constant TCCR0B
-TIMSK constant TIMSK0
-
-variable timer0.tick
-
-: timer0.isr
- 1 timer0.tick +!
-;
-
-\ preload for overflow interrupt every 1ms
-\ preload = 256 - (f_cpu / (prescaler * 1000))
-
-: timer0.preload
- f_cpu #1000 um/mod nip 64 / 256 - negate
-;
-
-: timer0.init ( -- )
- timer0.preload TCNT0 c!
- 0 timer0.tick !
- ['] timer0.isr TIMER0_OVFAddr int!
-;
-
-: timer0.start
- timer0.init
- %00000011 TCCR0B c! \ prescaler 64
- %00000001 TIMSK0 c! \ enable overflow interrupt
-;
-
-: timer0.stop
- %00000000 TCCR0B c! \ stop timer
- %00000000 TIMSK0 c! \ stop interrupt
-;