Merge pull request #6693 from kjbracey-arm/equeue-ticks

Make event queue use RTOS tick count

Author: Cruz Monrreal

events/equeue/equeue_mbed.cpp

@@ -23,6 +23,15 @@
 #include <stdbool.h>
 #include "mbed.h"
 
+// Ticker operations
+#if MBED_CONF_RTOS_PRESENT
+
+unsigned equeue_tick() {
+    return osKernelGetTickCount();
+}
+
+#else
+
 #if MBED_CONF_EVENTS_USE_LOWPOWER_TIMER_TICKER
 #define ALIAS_TIMER      LowPowerTimer
 #define ALIAS_TICKER     LowPowerTicker
@@ -33,7 +42,6 @@
 #define ALIAS_TIMEOUT    Timeout
 #endif
 
-// Ticker operations
 static bool equeue_tick_inited = false;
 static volatile unsigned equeue_minutes = 0;
 static unsigned equeue_timer[
@@ -77,6 +85,7 @@ unsigned equeue_tick() {
     return minutes + ms;
 }
 
+#endif
 
 // Mutex operations
 int equeue_mutex_create(equeue_mutex_t *m) { return 0; }

events/mbed_lib.json

@@ -23,7 +23,7 @@
             "value": 256
         },
         "use-lowpower-timer-ticker": {
-            "help": "Enable use of low power timer and ticker classes. May reduce the accuracy of the event queue.",
+            "help": "Enable use of low power timer and ticker classes in non-RTOS builds. May reduce the accuracy of the event queue. In RTOS builds, the RTOS tick count is used, and this configuration option has no effect.",
             "value": 0
         }
     }