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Values altered in interrupt handlers should be volatile

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adamdunkels 2010-01-26 10:20:16 +00:00
parent 9e5823f060
commit dbacf3e781
2 changed files with 8 additions and 8 deletions
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8
cpu/msp430/cc2420-arch-sfd.c
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* @(#)$Id: cc2420-arch-sfd.c,v 1.2 2010/01/19 13:11:01 adamdunkels Exp $ * @(#)$Id: cc2420-arch-sfd.c,v 1.3 2010/01/26 10:20:16 adamdunkels Exp $
*/ */
#include <io.h> #include <io.h>
@ -35,9 +35,9 @@
#include "dev/spi.h" #include "dev/spi.h"
#include "dev/cc2420.h" #include "dev/cc2420.h"
uint8_t cc2420_arch_sfd_counter; volatile uint8_t cc2420_arch_sfd_counter;
uint16_t cc2420_arch_sfd_start_time; volatile uint16_t cc2420_arch_sfd_start_time;
uint16_t cc2420_arch_sfd_end_time; volatile uint16_t cc2420_arch_sfd_end_time;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* SFD interrupt for timestamping radio packets */ /* SFD interrupt for timestamping radio packets */

8
cpu/msp430/cc2420-arch-sfd.h
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@ -26,14 +26,14 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* @(#)$Id: cc2420-arch-sfd.h,v 1.2 2010/01/19 13:11:01 adamdunkels Exp $ * @(#)$Id: cc2420-arch-sfd.h,v 1.3 2010/01/26 10:20:16 adamdunkels Exp $
*/ */
#ifndef CC2420_ARCH_SFD_H #ifndef CC2420_ARCH_SFD_H
#define CC2420_ARCH_SFD_H #define CC2420_ARCH_SFD_H
extern uint8_t cc2420_arch_sfd_counter; extern volatile uint8_t cc2420_arch_sfd_counter;
extern uint16_t cc2420_arch_sfd_start_time; extern volatile uint16_t cc2420_arch_sfd_start_time;
extern uint16_t cc2420_arch_sfd_end_time; extern volatile uint16_t cc2420_arch_sfd_end_time;
void cc2420_arch_sfd_init(void); void cc2420_arch_sfd_init(void);