Added RTOS_7 timer automated test to host test suite

Author: PrzemekWirkus

libraries/tests/rtos/mbed/timer/main.cpp

@@ -5,20 +5,32 @@ DigitalOut LEDs[4] = {
     DigitalOut(LED1), DigitalOut(LED2), DigitalOut(LED3), DigitalOut(LED4)
 };
 
+void print_char(char c = '*')
+{
+    printf("%c", c);
+    fflush(stdout);
+}
+
 void blink(void const *n) {
-    LEDs[(int)n] = !LEDs[(int)n];
+    static int counter = 0;
+    const int led_id = int(n);
+    LEDs[led_id] = !LEDs[led_id];
+    if (++counter == 75) {
+        print_char();
+        counter = 0;
+    }
 }
 
 int main(void) {
     RtosTimer led_1_timer(blink, osTimerPeriodic, (void *)0);
     RtosTimer led_2_timer(blink, osTimerPeriodic, (void *)1);
     RtosTimer led_3_timer(blink, osTimerPeriodic, (void *)2);
     RtosTimer led_4_timer(blink, osTimerPeriodic, (void *)3);
-    
-    led_1_timer.start(2000);
-    led_2_timer.start(1000);
-    led_3_timer.start(500);
-    led_4_timer.start(250);
-    
+
+    led_1_timer.start(200);
+    led_2_timer.start(100);
+    led_3_timer.start(50);
+    led_4_timer.start(25);
+
     Thread::wait(osWaitForever);
 }

workspace_tools/tests.py

@@ -536,6 +536,9 @@
         "id": "RTOS_7", "description": "Timer",
         "source_dir": join(TEST_DIR, "rtos", "mbed", "timer"),
         "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+        "duration": 15,
+        "automated": True,
+        "host_test": "wait_us_auto"
     },
     {
         "id": "RTOS_8", "description": "ISR",