git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3025 35acf78f-673a-0410-8e92-d51de3d6d3f4

demos/ARMCM3-STM32F103ZG-FATFS/iar/ch.ewp

@@ -1890,6 +1890,9 @@
         <file>
           <name>$PROJ_DIR$\..\..\..\os\kernel\include\ch.h</name>
         </file>
+        <file>
+          <name>$PROJ_DIR$\..\..\..\os\kernel\include\chbsem.h</name>
+        </file>
         <file>
           <name>$PROJ_DIR$\..\..\..\os\kernel\include\chcond.h</name>
         </file>
@@ -1902,6 +1905,9 @@
         <file>
           <name>$PROJ_DIR$\..\..\..\os\kernel\include\chevents.h</name>
         </file>
+        <file>
+          <name>$PROJ_DIR$\..\..\..\os\kernel\include\chfiles.h</name>
+        </file>
         <file>
           <name>$PROJ_DIR$\..\..\..\os\kernel\include\chheap.h</name>
         </file>

demos/ARMCM3-STM32F103ZG-FATFS/main.c

@@ -22,6 +22,89 @@
 #include "hal.h"
 #include "test.h"
 
+/*===========================================================================*/
+/* Card insertion monitor.                                                   */
+/*===========================================================================*/
+
+#define SDC_POLLING_INTERVAL            10
+#define SDC_POLLING_DELAY               10
+
+/**
+ * @brief   Card monitor timer.
+ */
+static VirtualTimer tmr;
+
+/**
+ * @brief   Debounce counter.
+ */
+static unsigned cnt;
+
+/**
+ * @brief   Card event sources.
+ */
+static EventSource inserted_event, removed_event;
+
+/**
+ * @brief   Inserion monitor function.
+ *
+ * @param[in] sdcp      pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+static bool_t sdc_lld_is_card_inserted(SDCDriver *sdcp) {
+
+  return TRUE;
+}
+
+/**
+ * @brief   Inserion monitor timer callback function.
+ *
+ * @param[in] p         pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+static void tmrfunc(void *p) {
+  SDCDriver *sdcp = p;
+
+  if (cnt > 0) {
+    if (sdcIsCardInserted(sdcp)) {
+      if (--cnt == 0) {
+        chEvtBroadcastI(&inserted_event);
+      }
+    }
+    else
+      cnt = SDC_POLLING_INTERVAL;
+  }
+  else {
+    if (!sdcIsCardInserted(sdcp)) {
+      cnt = SDC_POLLING_INTERVAL;
+      chEvtBroadcastI(&removed_event);
+    }
+  }
+  chVTSetI(&tmr, MS2ST(SDC_POLLING_DELAY), tmrfunc, sdcp);
+}
+
+/**
+ * @brief   Polling monitor start.
+ *
+ * @param[in] sdcp      pointer to the @p SDCDriver object
+ *
+ * @notapi
+ */
+static void tmr_init(SDCDriver *sdcp) {
+
+  chEvtInit(&inserted_event);
+  chEvtInit(&removed_event);
+  chSysLock();
+  cnt = SDC_POLLING_INTERVAL;
+  chVTSetI(&tmr, MS2ST(SDC_POLLING_DELAY), tmrfunc, sdcp);
+  chSysUnlock();
+}
+
+/*===========================================================================*/
+/* Main and generic code.                                                    */
+/*===========================================================================*/
+
 /*
  * Red LED blinker thread, times are in milliseconds.
  */
@@ -65,6 +148,11 @@ int main(void) {
    */
   sdStart(&SD1, NULL);
 
+  /*
+   * Activates the card insertion monitor.
+   */
+  tmr_init(&SDCD1);
+
   /*
    * Creates the blinker thread.
    */

os/hal/include/sdc.h

@@ -173,6 +173,22 @@ typedef enum {
  */
 #define sdcGetDriverState(sdcp)         ((sdcp)->state)
 
+/**
+ * @brief   Returns the card insertion status.
+ * @note    This macro wraps a low level function named
+ *          @p sdc_lld_is_card_inserted(), this function must be
+ *          provided by the application because it is not part of the
+ *          SDC driver.
+ *
+ * @param[in] sdcp      pointer to the @p SDCDriver object
+ * @return              The card state.
+ * @retval FALSE        card not inserted.
+ * @retval TRUE         card inserted.
+ *
+ * @api
+ */
+#define sdcIsCardInserted(sdcp) (sdc_lld_is_card_inserted(sdcp))
+
 /**
  * @brief   Returns the write protect status.
  * @note    This macro wraps a low level function named