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avrtest/include/bsp.h: Remove rtems_bsp_delay()

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This commit is contained in:
Joel Sherrill
2014-03-14 12:39:14 -05:00
parent 31f0458a93
commit c2007c2c0f
1 changed files with 0 additions and 17 deletions
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17
c/src/lib/libbsp/avr/avrtest/include/bsp.h
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@@ -32,23 +32,6 @@ extern "C" {
Thread clock_driver_sim_idle_body(uintptr_t); Thread clock_driver_sim_idle_body(uintptr_t);
#define BSP_IDLE_TASK_BODY clock_driver_sim_idle_body #define BSP_IDLE_TASK_BODY clock_driver_sim_idle_body
/*
* Simple spin delay in microsecond units for device drivers.
* This is very dependent on the clock speed of the target.
*/
#define rtems_bsp_delay( microseconds ) \
{ register uint32_t _delay=(microseconds); \
register uint32_t _tmp = 0; /* initialized to avoid warning */ \
__asm__ volatile( "0: \
remo 3,31,%0 ; \
cmpo 0,%0 ; \
subo 1,%1,%1 ; \
cmpobne.t 0,%1,0b " \
: "=d" (_tmp), "=d" (_delay) \
: "0" (_tmp), "1" (_delay) ); \
}
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif