From b2c261eeeefcd94c9c164fa1e8671b7b42997e4d Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 17 Oct 2014 12:28:10 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7411
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/include/icu.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'os/hal/include')

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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