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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-02-19 19:55:40 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-02-19 19:55:40 +0000 |
| commit | 89376b7141edb6f927fb940c27391cda6e67c785 (patch) | |
| tree | 57dd01fd9328b879289493ba848ae5c34c607b91 /bsd_eth_drivers/libbsdport/rtems_udelay.h | |
| download | libbsdport-89376b7141edb6f927fb940c27391cda6e67c785.tar.bz2 | |
Initial import.initial
Diffstat (limited to 'bsd_eth_drivers/libbsdport/rtems_udelay.h')
| -rw-r--r-- | bsd_eth_drivers/libbsdport/rtems_udelay.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/bsd_eth_drivers/libbsdport/rtems_udelay.h b/bsd_eth_drivers/libbsdport/rtems_udelay.h new file mode 100644 index 0000000..32a3b62 --- /dev/null +++ b/bsd_eth_drivers/libbsdport/rtems_udelay.h @@ -0,0 +1,22 @@ +#ifndef RTEMS_UDELAY_Y +#define RTEMS_UDELAY_Y + +#ifdef __cplusplus +extern "C" { +#endif + +/* Delay execution for n microseconds. The current task + * is suspended for multiples of OS 'ticks' and busy-waits + * for fractions thereof. + * The routine panics if requested to delay for more than + * 10us in an ISR or IRQ-disabled section of code. + */ +void rtems_usec_delay(uint32_t usecs); + +#define DELAY(usecs) rtems_usec_delay(usecs) + +#ifdef __cplusplus +} +#endif + +#endif |