diff options
Diffstat (limited to 'os/hal/include/icu.h')
| -rw-r--r-- | os/hal/include/icu.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/os/hal/include/icu.h b/os/hal/include/icu.h index 9d7a06220..f9df3cd6a 100644 --- a/os/hal/include/icu.h +++ b/os/hal/include/icu.h @@ -187,6 +187,7 @@ typedef void (*icucallback_t)(ICUDriver *icup); /**
* @brief Common ISR code, ICU period event.
+ * @note A period event brings the driver into the @p ICU_ACTIVE state.
*
* @param[in] icup pointer to the @p ICUDriver object
*
@@ -201,6 +202,8 @@ typedef void (*icucallback_t)(ICUDriver *icup); /**
* @brief Common ISR code, ICU timer overflow event.
+ * @note An overflow always brings the driver back to the @p ICU_WAITING
+ * state.
*
* @param[in] icup pointer to the @p ICUDriver object
*
@@ -208,6 +211,7 @@ typedef void (*icucallback_t)(ICUDriver *icup); */
#define _icu_isr_invoke_overflow_cb(icup) do { \
(icup)->config->overflow_cb(icup); \
+ (icup)->state = ICU_WAITING; \
} while (0)
/** @} */
@@ -223,7 +227,7 @@ extern "C" { void icuStart(ICUDriver *icup, const ICUConfig *config);
void icuStop(ICUDriver *icup);
void icuStartCapture(ICUDriver *icup);
- void icuWaitCapture(ICUDriver *icup);
+ bool icuWaitCapture(ICUDriver *icup);
void icuStopCapture(ICUDriver *icup);
void icuEnableNotifications(ICUDriver *icup);
void icuDisableNotifications(ICUDriver *icup);
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