From a708e083e1cf6f6181bcd02baf9cc580f38b5397 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 17 Oct 2014 07:31:40 +0000
Subject: Improvements to the ICU driver.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7409 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/LLD/TIMv1/icu_lld.c |  8 ++++----
 os/hal/ports/STM32/LLD/TIMv1/icu_lld.h | 17 +++++++++++++++--
 2 files changed, 19 insertions(+), 6 deletions(-)

(limited to 'os/hal/ports/STM32')

diff --git a/os/hal/ports/STM32/LLD/TIMv1/icu_lld.c b/os/hal/ports/STM32/LLD/TIMv1/icu_lld.c
index a9b949a7f..d5604515e 100644
--- a/os/hal/ports/STM32/LLD/TIMv1/icu_lld.c
+++ b/os/hal/ports/STM32/LLD/TIMv1/icu_lld.c
@@ -644,8 +644,8 @@ void icu_lld_start_capture(ICUDriver *icup) {
 
 /**
  * @brief   Waits for a completed capture.
- * @note    The wait is performed in polled mode.
- * @note    The function cannot work if notifications are enabled.
+ * @note    The operation is performed in polled mode.
+ * @note    In order to use this function notifications must be disabled.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
  *
@@ -687,7 +687,7 @@ void icu_lld_stop_capture(ICUDriver *icup) {
  *
  * @api
  */
-void icu_enable_notifications(ICUDriver *icup) {
+void icu_lld_enable_notifications(ICUDriver *icup) {
   uint32_t dier = icup->tim->DIER;
 
   /* If interrupts were already enabled then the operation is skipped.
@@ -733,7 +733,7 @@ void icu_enable_notifications(ICUDriver *icup) {
  *
  * @api
  */
-void icu_disable_notifications(ICUDriver *icup) {
+void icu_lld_disable_notifications(ICUDriver *icup) {
 
   /* All interrupts disabled.*/
   icup->tim->DIER &= ~STM32_TIM_DIER_IRQ_MASK;
diff --git a/os/hal/ports/STM32/LLD/TIMv1/icu_lld.h b/os/hal/ports/STM32/LLD/TIMv1/icu_lld.h
index eb50e69d2..5b8b71d9f 100644
--- a/os/hal/ports/STM32/LLD/TIMv1/icu_lld.h
+++ b/os/hal/ports/STM32/LLD/TIMv1/icu_lld.h
@@ -361,6 +361,19 @@ struct ICUDriver {
  */
 #define icu_lld_get_period(icup) (*((icup)->pccrp) + 1)
 
+/**
+ * @brief   Check on notifications status.
+ *
+ * @param[in] icup      pointer to the @p ICUDriver object
+ * @return              The notifications status.
+ * @retval false        if notifications are not enabled.
+ * @retval true         if notifications are enabled.
+ *
+ * @notapi
+ */
+#define icu_lld_are_notifications_enabled(icup)                             \
+  (bool)(((icup)->tim->DIER & STM32_TIM_DIER_IRQ_MASK) != 0)
+
 /*===========================================================================*/
 /* External declarations.                                                    */
 /*===========================================================================*/
@@ -402,8 +415,8 @@ extern "C" {
   void icu_lld_start_capture(ICUDriver *icup);
   void icu_lld_wait_capture(ICUDriver *icup);
   void icu_lld_stop_capture(ICUDriver *icup);
-  void icu_enable_notifications(ICUDriver *icup);
-  void icu_disable_notifications(ICUDriver *icup);
+  void icu_lld_enable_notifications(ICUDriver *icup);
+  void icu_lld_disable_notifications(ICUDriver *icup);
 #ifdef __cplusplus
 }
 #endif
-- 
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