Diff: libraries/tests/rtos/mbed/signals/main.cpp

Revision:

0:6c56fb4bc5f0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libraries/tests/rtos/mbed/signals/main.cpp	Fri Nov 04 20:27:58 2016 +0000
@@ -0,0 +1,65 @@
+#include "mbed.h"
+#include "test_env.h"
+#include "rtos.h"
+
+#if defined(MBED_RTOS_SINGLE_THREAD)
+  #error [NOT_SUPPORTED] test not supported
+#endif
+
+#define SIGNALS_TO_EMIT     100
+#define SIGNAL_HANDLE_DELEY 25
+#define SIGNAL_SET_VALUE    0x01
+
+/*
+ * The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
+ * the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
+ * and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
+ */
+#if defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)
+    #define STACK_SIZE DEFAULT_STACK_SIZE/4
+#elif (defined(TARGET_STM32F030R8)) && defined(TOOLCHAIN_IAR)
+    #define STACK_SIZE DEFAULT_STACK_SIZE/2
+#elif (defined(TARGET_EFM32HG_STK3400)) && !defined(TOOLCHAIN_ARM_MICRO)
+    #define STACK_SIZE 512
+#elif (defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32PG_STK3401)) && !defined(TOOLCHAIN_ARM_MICRO)
+    #define STACK_SIZE 768
+#elif (defined(TARGET_EFM32GG_STK3700)) && !defined(TOOLCHAIN_ARM_MICRO)
+    #define STACK_SIZE 1536
+#elif defined(TARGET_MCU_NRF51822)
+    #define STACK_SIZE 768
+#else
+    #define STACK_SIZE DEFAULT_STACK_SIZE
+#endif
+
+DigitalOut led(LED1);
+volatile int signal_counter = 0;
+
+void led_thread(void const *argument) {
+    while (true) {
+        // Signal flags that are reported as event are automatically cleared.
+        Thread::signal_wait(SIGNAL_SET_VALUE);
+        led = !led;
+        signal_counter++;
+    }
+}
+
+int main (void) {
+    MBED_HOSTTEST_TIMEOUT(20);
+    MBED_HOSTTEST_SELECT(default_auto);
+    MBED_HOSTTEST_DESCRIPTION(Signals messaging);
+    MBED_HOSTTEST_START("RTOS_4");
+
+    Thread thread(led_thread, NULL, osPriorityNormal, STACK_SIZE);
+    bool result = true;
+
+    while (true) {
+        Thread::wait(2 * SIGNAL_HANDLE_DELEY);
+        thread.signal_set(SIGNAL_SET_VALUE);
+        if (signal_counter == SIGNALS_TO_EMIT) {
+            printf("Handled %d signals\r\n", signal_counter);
+            break;
+        }
+    }
+    MBED_HOSTTEST_RESULT(result);
+    return 0;
+}