From 973d8da5eabeead58445937e5be4c740ffaf2c56 Mon Sep 17 00:00:00 2001
From: barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 16 Apr 2012 18:19:34 +0000
Subject: SDC. Added function sdcGetAndClearErrors.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/sdc_dev2@4099 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/platforms/STM32/sdc_lld.c | 13 +++++++++++++
 os/hal/platforms/STM32/sdc_lld.h |  9 +++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

(limited to 'os/hal/platforms')

diff --git a/os/hal/platforms/STM32/sdc_lld.c b/os/hal/platforms/STM32/sdc_lld.c
index c42867ffe..0c535e2dc 100644
--- a/os/hal/platforms/STM32/sdc_lld.c
+++ b/os/hal/platforms/STM32/sdc_lld.c
@@ -755,6 +755,19 @@ bool_t sdc_lld_write(SDCDriver *sdcp, uint32_t startblk,
   return sdc_lld_write_aligned(sdcp, startblk, buf, n);
 }
 
+/**
+ * @brief   Get errors from SDC driver and clear error field.
+ *
+ * @param[in] sdcp      pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+sdcflags_t sdc_lld_get_and_clear_errors(SDCDriver *sdcp) {
+  sdcflags_t flags = sdcp->errors;
+  sdcp->errors = SDC_NO_ERROR;
+  return flags;
+}
+
 #endif /* HAL_USE_SDC */
 
 /** @} */
diff --git a/os/hal/platforms/STM32/sdc_lld.h b/os/hal/platforms/STM32/sdc_lld.h
index 51db5b2aa..000100396 100644
--- a/os/hal/platforms/STM32/sdc_lld.h
+++ b/os/hal/platforms/STM32/sdc_lld.h
@@ -119,7 +119,6 @@
 #endif
 
 
-
 /*===========================================================================*/
 /* Driver data structures and types.                                         */
 /*===========================================================================*/
@@ -138,6 +137,11 @@ typedef enum {
  */
 typedef uint32_t sdcmode_t;
 
+/**
+ * @brief   SDC Driver condition flags type.
+ */
+typedef uint32_t sdcflags_t;
+
 /**
  * @brief   Type of a structure representing an SDC driver.
  */
@@ -170,7 +174,7 @@ struct SDCDriver {
   /**
    * @brief Errors flags.
    */
-  uint32_t                  errors;
+  sdcflags_t                errors;
   /**
    * @brief Card CID.
    */
@@ -242,6 +246,7 @@ extern "C" {
                       uint8_t *buf, uint32_t n);
   bool_t sdc_lld_write(SDCDriver *sdcp, uint32_t startblk,
                        const uint8_t *buf, uint32_t n);
+  sdcflags_t sdc_lld_get_and_clear_errors(SDCDriver *sdcp);
   bool_t sdc_lld_is_card_inserted(SDCDriver *sdcp);
   bool_t sdc_lld_is_write_protected(SDCDriver *sdcp);
 #ifdef __cplusplus
-- 
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