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Add stk500 platform and changes suggested by Daniel Willmann

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This commit is contained in:
David Kopf 2011-08-03 11:18:55 -04:00
parent e953b66f78
commit e2ad2acde4
16 changed files with 945 additions and 45 deletions
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16
cpu/avr/rtimer-arch.h
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@ -36,15 +36,21 @@
#include <avr/interrupt.h>
/* Will affect radio on/off timing for cx-mac */
#define RTIMER_ARCH_SECOND (8192)
/* Nominal ARCH_SECOND is F_CPU/prescaler, e.g. 8000000/1024 = 7812 */
#ifndef RTIMER_ARCH_PRESCALER
#define RTIMER_ARCH_PRESCALER 1024UL
#endif
#define RTIMER_ARCH_SECOND (F_CPU/RTIMER_ARCH_PRESCALER)
/* Use TCNT1 if TCNT3 not available.
* Setting RTIMER_ARCH_PRESCALER to 0 will leave timer1 alone.
* Obviously this will disable rtimers.
*/
/* Handle that not all AVRs have TCNT3 - this should be configuratble
in contiki-conf later! */
#ifdef TCNT3
#define rtimer_arch_now() (TCNT3)
#elif RTIMER_ARCH_PRESCALER
#define rtimer_arch_now() (TCNT1)
#else
#define rtimer_arch_now() (0)
#endif