deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Add combined MCU and radio ATmega128rfa1

Browse source
This commit is contained in:
dak664 2011-02-07 13:46:34 -05:00
parent ee65d0d887
commit f1f32c8e6a
9 changed files with 609 additions and 114 deletions
Download patch file Download diff file Expand all files Collapse all files

38
cpu/avr/dev/clock-avr.h
View file

@ -36,7 +36,43 @@
*/ \
TIMSK = _BV (OCIE0);
#elif defined (__AVR_ATmega1284P__) || (__AVR_AT90USB1287__) || (__AVR_ATmega1281__)
#elif defined (__AVR_ATmega128RFA1__) && 0
#define AVR_OUTPUT_COMPARE_INT TIMER0_COMPA_vect
#define OCRSetup() \
/* Select internal clock */ \
ASSR = 0x00; \
\
/* Set counter to zero */ \
TCNT0 = 0; \
\
/* \
* Set comparison register: \
* Crystal freq. is 8000000,\
* pre-scale factor is 1024, we want 125 ticks / sec: \
* 8000000 = 1024 * 126.01 * 62, less 1 for CTC mode \
*/ \
OCR0A = 61; \
\
/* \
* Set timer control register: \
* - prescale: 1024 (CS00 - CS02) \
* - counter reset via comparison register (WGM01) \
*/ \
TCCR0A = _BV(WGM01); \
TCCR0B = _BV(CS00) | _BV(CS02); \
\
/* Clear interrupt flag register */ \
TIFR0 = TIFR0; \
\
/* \
* Raise interrupt when value in OCR0 is reached. Note that the \
* counter value in TCNT0 is cleared automatically. \
*/ \
TIMSK0 = _BV (OCIE0A);
#elif defined (__AVR_ATmega1284P__) || (__AVR_AT90USB1287__) || (__AVR_ATmega1281__) || defined (__AVR_ATmega128RFA1__)
/*
The Raven has a 32768Hz watch crystal that can be used to clock the timer
while the 1284p is sleeping. The Jackdaw has pads for a crystal. The crystal