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Changes to support the Atmel AVR Raven port

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This commit is contained in:
adamdunkels 2008-10-14 09:44:12 +00:00
parent db7d9bb131
commit cdb6226598
2 changed files with 38 additions and 12 deletions
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19
cpu/avr/Makefile.avr
View file

@ -1,4 +1,4 @@
# $Id: Makefile.avr,v 1.10 2008/02/07 19:56:56 oliverschmidt Exp $
# $Id: Makefile.avr,v 1.11 2008/10/14 09:44:12 adamdunkels Exp $
### Check if we are running under Windows
@ -12,6 +12,9 @@ endif
.SUFFIXES:
### Optimization setting
OPTI=s
### Define the CPU directory
CONTIKI_CPU=$(CONTIKI)/cpu/avr
@ -35,12 +38,12 @@ AS = avr-as
AR = avr-ar
OBJCOPY = avr-objcopy
STRIP = avr-strip
CFLAGSNO = -I. -I$(CONTIKI)/core -I$(CONTIKI_CPU) \
CFLAGSNO = -I. -I$(CONTIKI)/core -I$(CONTIKI_CPU) $(USB_INCLUDES) \
-I$(CONTIKI)/platform/$(TARGET) \
${addprefix -I,$(APPDIRS)} \
-Wall -mmcu=$(MCU) -gstabs
CFLAGS = $(CFLAGSNO) -Os
BOOTLOADER_START = 0x1e000
-Wall -mmcu=$(MCU) -gdwarf-2 $(CONTIKI_PLAT_DEFS)
CFLAGS += $(CFLAGSNO) -O$(OPTI)
BOOTLOADER_START = 0x1FC00
LDFLAGS = -mmcu=$(MCU) -Wl,-Map=contiki-$(TARGET).map \
-Wl,--section-start=.bootloader=$(BOOTLOADER_START)
@ -50,9 +53,11 @@ LDFLAGS = -mmcu=$(MCU) -Wl,-Map=contiki-$(TARGET).map \
CONTIKI_TARGET_DIRS_CONCAT = ${addprefix $(CONTIKI)/platform/$(TARGET)/, \
$(CONTIKI_TARGET_DIRS)}
vpath %.c $(PROJECTDIRS) $(CONTIKI)/cpu/avr/dev \
vpath %.c $(PROJECTDIRS) $(CONTIKI)/cpu/avr/dev $(CONTIKI)/cpu/avr/dev/usb \
$(CONTIKI)/cpu/avr/dev/usb/rndis $(CONTIKI)/cpu/avr/dev/usb/serial \
$(CONTIKI)/cpu/avr/dev/usb/storage \
$(CONTIKIDIRS) $(APPDIRS) $(CONTIKI_TARGET_DIRS_CONCAT) \
$(CONTIKI_CPU)
$(CONTIKI_CPU) $(CONTIKI)/cpu/avr/radio/rf230 $(CONTIKI)/cpu/avr/radio/mac
### Compilation rules

31
cpu/avr/rtimer-arch.c
View file

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: rtimer-arch.c,v 1.2 2007/12/11 17:21:14 joxe Exp $
* $Id: rtimer-arch.c,v 1.3 2008/10/14 09:44:12 adamdunkels Exp $
*/
/**
@ -48,10 +48,21 @@
#include "lib/energest.h"
#include "sys/rtimer.h"
#include "rtimer-arch.h"
#if defined(__AVR_ATmega1284P__)
#define ETIMSK TIMSK3
#define ETIFR TIFR3
#define TICIE3 ICIE3
//Has no 'C', so we just set it to B. The code doesn't really use C so this
//is safe to do but lets it compile
#define OCIE3C OCIE3B
#define OCF3C OCF3B
#endif
/*---------------------------------------------------------------------------*/
#ifdef TCNT3
SIGNAL (SIG_OUTPUT_COMPARE3A) {
ISR (TIMER3_COMPA_vect) {
ENERGEST_ON(ENERGEST_TYPE_IRQ);
ETIMSK &= ~((1 << OCIE3A) | (1 << OCIE3B) | (1 << TOIE3) |
@ -61,7 +72,11 @@ SIGNAL (SIG_OUTPUT_COMPARE3A) {
rtimer_run_next();
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
}
}
#else
#error "No Timer3 in rtimer-arch.c"
#endif
/*---------------------------------------------------------------------------*/
void
@ -88,7 +103,10 @@ rtimer_arch_init(void)
TCNT3 = 0;
/* Maximum prescaler */
TCCR3B |= 5;
TCCR3B |= 5;
#else
#error "No Timer3 in rtimer-arch.c"
#endif
@ -109,7 +127,10 @@ rtimer_arch_schedule(rtimer_clock_t t)
OCR3A = t;
ETIFR |= (1 << ICF3) | (1 << OCF3A) | (1 << OCF3B) | (1 << TOV3) |
(1 << OCF3C);
ETIMSK |= (1 << OCIE3A);
ETIMSK |= (1 << OCIE3A);
#else
#error "No Timer3 in rtimer-arch.c"
#endif