Diff: DuerOS-Light-SDK-v1.1.0/demo/events.cpp

Revision:

47:9e361da97763

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DuerOS-Light-SDK-v1.1.0/demo/events.cpp	Tue Jul 18 16:54:45 2017 +0800
@@ -0,0 +1,62 @@
+#include "events.h"
+#include "mbed.h"
+#include "mbed_stats.h"
+
+namespace duer {
+
+#ifdef MBED_HEAP_STATS_ENABLED
+void memory_statistics(const char* tag) {
+    if (tag == NULL) {
+        tag = "main";
+    }
+
+    mbed_stats_heap_t current;
+    mbed_stats_heap_get(&current);
+    printf("[%s] !!!MEMORY!!! current_size: %d, max_size: %d, total_size: %d, alloc_cnt: %d, "
+        "alloc_fail_cnt: %d\n", tag, current.current_size, current.max_size, current.total_size,
+        current.alloc_cnt, current.alloc_fail_cnt);
+}
+#endif
+
+static rtos::Queue<int, 5> g_message_q;
+static event_handle_func   g_events_handler[EVT_TOTAL];
+
+void event_set_handler(uint32_t evt_id, event_handle_func handler) {
+    if (evt_id < EVT_TOTAL) {
+        g_events_handler[evt_id] = handler;
+    }
+}
+
+void event_trigger(uint32_t evt_id) {
+    g_message_q.put((int*)evt_id);
+}
+
+static void event_loop_run() {
+    osEvent evt;
+
+    do {
+        evt = g_message_q.get();
+
+        if (evt.status != osEventMessage) {
+            continue;
+        }
+
+        uint32_t evt_id = evt.value.v;
+
+        if (evt_id < EVT_TOTAL) {
+            g_events_handler[evt_id]();
+        }
+    } while (true);
+}
+
+void event_loop() {
+#ifdef __BAIDU_EVENT_SINGLE_TASK__
+    Thread th(osPriorityHigh);
+    th.start(event_loop_run);
+    Thread::wait(osWaitForever);
+#else
+    event_loop_run();
+#endif
+}
+
+} // namespace duer