git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6635 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/rt/ports/ARMCMx/chcore.h

@@ -77,6 +77,16 @@
 /* Module pre-compile time settings.                                         */
 /*===========================================================================*/
 
+/**
+ * @brief   Enables an alternative timer implementation.
+ * @details Usually the port uses a timer interface defined in the file
+ *          @p chcore_timer.h, if this option is enabled then the file
+ *          @p chcore_timer_alt.h is included instead.
+ */
+#if !defined(PORT_USE_ALT_TIMER)
+#define PORT_USE_ALT_TIMER              FALSE
+#endif
+
 /*===========================================================================*/
 /* Derived constants and error checks.                                       */
 /*===========================================================================*/
@@ -222,8 +232,12 @@ struct context {
 
 #if !defined(_FROM_ASM_)
 #if CH_CFG_ST_TIMEDELTA > 0
+#if !PORT_USE_ALT_TIMER
 #include "chcore_timer.h"
-#endif
+#else /* PORT_USE_ALT_TIMER */
+#include "chcore_timer_alt.h"
+#endif /* PORT_USE_ALT_TIMER */
+#endif /* CH_CFG_ST_TIMEDELTA > 0 */
 #endif /* !defined(_FROM_ASM_) */
 
 #endif /* _CHCORE_H_ */

os/rt/ports/ARMCMx/chcore_timer.h

@@ -29,14 +29,6 @@
 #ifndef _CHCORE_TIMER_H_
 #define _CHCORE_TIMER_H_
 
-#if defined(PORT_DO_NOT_USE_ST)
-/* If, for some reason, the use of the HAL-provided ST timer port interface
-   is not wanted, it is possible to provide the timer interface into a custom
-   module.*/
-#include "chcore_timer_ext.h"
-
-#else /* !defined(PORT_DO_NOT_USE_ST) */
-
 /* This is the only header in the HAL designed to be include-able alone.*/
 #include "st.h"
 
@@ -128,8 +120,6 @@ static inline systime_t port_timer_get_alarm(void) {
   return stGetAlarm();
 }
 
-#endif /* !defined(PORT_DO_NOT_USE_ST) */
-
 #endif /* _CHCORE_TIMER_H_ */
 
 /** @} */