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libatrf: new function atrf_interrupt_wait for interrupt-driven wait for interrupt

Browse Source 
- tools/lib/driver.h (struct atrf_driver): new driver operation
  interrupt_wait
- include/atrf.h (atrf_interrupt_wait), atrf.c: new function to
  wait for a transceiver interrupt without polling
This commit is contained in:
Werner Almesberger 2011-06-20 16:01:59 -03:00
parent 0120f62242
commit e6f0a1d410
3 changed files with 9 additions and 0 deletions
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1
tools/include/atrf.h
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@ -56,5 +56,6 @@ void atrf_sram_write(struct atrf_dsc *dsc, uint8_t addr, uint8_t value);
uint8_t atrf_sram_read(struct atrf_dsc *dsc, uint8_t addr); uint8_t atrf_sram_read(struct atrf_dsc *dsc, uint8_t addr);
int atrf_interrupt(struct atrf_dsc *dsc); int atrf_interrupt(struct atrf_dsc *dsc);
int atrf_interrupt_wait(struct atrf_dsc *dsc, int timeout_ms);
#endif /* !ATRF_H */ #endif /* !ATRF_H */

7
tools/lib/atrf.c
View File

@ -323,3 +323,10 @@ int atrf_interrupt(struct atrf_dsc *dsc)
return return
dsc->driver->interrupt ? dsc->driver->interrupt(dsc->handle) : 1; dsc->driver->interrupt ? dsc->driver->interrupt(dsc->handle) : 1;
} }
int atrf_interrupt_wait(struct atrf_dsc *dsc, int timeout_ms)
{
return dsc->driver->interrupt_wait ?
dsc->driver->interrupt_wait(dsc->handle, timeout_ms) : -1;
}

1
tools/lib/driver.h
View File

@ -36,6 +36,7 @@ struct atrf_driver {
void (*sram_write)(void *dsc, uint8_t addr, uint8_t value); void (*sram_write)(void *dsc, uint8_t addr, uint8_t value);
uint8_t (*sram_read)(void *dsc, uint8_t addr); uint8_t (*sram_read)(void *dsc, uint8_t addr);
int (*interrupt)(void *dsc); int (*interrupt)(void *dsc);
int (*interrupt_wait)(void *dsc, int timeout_ms);
}; };