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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15878 27425a3e-05d8-49a3-a47f-9c15f0e5edd8

This commit is contained in:
Giovanni Di Sirio 2022-12-15 10:07:25 +00:00
parent 227532c938
commit b95ae7e467
1 changed files with 25 additions and 0 deletions
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25
os/hal/include/hal_icu.h
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@ -35,6 +35,10 @@
/* Driver pre-compile time settings. */
/*===========================================================================*/
#if !defined(ICU_USE_OVERFLOW_SCALING)
#define ICU_USE_OVERFLOW_SCALING FALSE
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
@ -198,6 +202,25 @@ typedef void (*icucallback_t)(ICUDriver *icup);
(icup)->state = ICU_ACTIVE; \
} while (0)
#if ICU_USE_OVERFLOW_SCALING == TRUE
/**
* @brief Common ISR code, ICU timer overflow event.
* @note An overflow when in @p ICU_ACTIVE state with a callback set
* executes the callback code (supports overflow scaling). Otherwise
* overflow brings the driver back to the @p ICU_WAITING state.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
#define _icu_isr_invoke_overflow_cb(icup) do { \
if ((icup)->config->overflow_cb != NULL && (icup)->state == ICU_ACTIVE) \
(icup)->config->overflow_cb(icup); \
else \
(icup)->state = ICU_WAITING; \
} while (0)
#else /* ICU_USE_OVERFLOW_SCALING != TRUE */
/**
* @brief Common ISR code, ICU timer overflow event.
* @note An overflow always brings the driver back to the @p ICU_WAITING
@ -211,6 +234,8 @@ typedef void (*icucallback_t)(ICUDriver *icup);
(icup)->config->overflow_cb(icup); \
(icup)->state = ICU_WAITING; \
} while (0)
#endif /* ICU_USE_OVERFLOW_SCALING != TRUE */
/** @} */
/*===========================================================================*/