Added Timer Wrapper

src/timer.cpp

@@ -0,0 +1,28 @@
+#include <sta/rtos/timer.hpp>
+#include <sta/debug/debug.hpp>
+
+namespace sta {
+    RtosTimer::RtosTimer(void (*callback)(void *arg), void *arg) {
+        timer_attr_.name = "Timer";
+        timer_attr_.attr_bits = osTimerOnce;
+        timer_attr_.cb_size = sizeof(osTimerAttr_t);
+
+        timer_id_ = osTimerNew(callback, osTimerOnce, arg, &timer_attr_);
+    }
+
+    RtosTimer::~RtosTimer() {
+        osTimerDelete(timer_id_);
+    }
+
+    void RtosTimer::start(uint32_t millis) {
+        osStatus_t status = osTimerStart(timer_id_, millis);
+
+        if (status != osOK) STA_DEBUG_PRINTLN("Timer start failed");
+    }
+
+    void RtosTimer::stop() {
+        osStatus_t status = osTimerStop(timer_id_);
+        
+        if (status != osOK) STA_DEBUG_PRINTLN("Timer stop failed");
+    }
+} // namespace sta