Diff: TESTS/mbedmicro-rtos-mbed/mail/main.cpp

Revision:

0:098463de4c5d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TESTS/mbedmicro-rtos-mbed/mail/main.cpp	Wed Jan 25 20:34:15 2017 +0000
@@ -0,0 +1,85 @@
+#include "mbed.h"
+#include "greentea-client/test_env.h"
+#include "rtos.h"
+
+#if defined(MBED_RTOS_SINGLE_THREAD)
+  #error [NOT_SUPPORTED] test not supported
+#endif
+
+typedef struct {
+    float    voltage;   /* AD result of measured voltage */
+    float    current;   /* AD result of measured current */
+    uint32_t counter;   /* A counter value               */
+} mail_t;
+
+#define CREATE_VOLTAGE(COUNTER) (COUNTER * 0.1) * 33
+#define CREATE_CURRENT(COUNTER) (COUNTER * 0.1) * 11
+#define QUEUE_SIZE       16
+#define QUEUE_PUT_DELAY  100
+
+/*
+ * 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_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) || defined(TARGET_MCU_NRF52832)
+    #define STACK_SIZE 768
+#elif defined(TARGET_XDOT_L151CC)
+    #define STACK_SIZE 1024
+#else
+    #define STACK_SIZE DEFAULT_STACK_SIZE
+#endif
+
+Mail<mail_t, QUEUE_SIZE> mail_box;
+
+void send_thread () {
+    static uint32_t i = 10;
+    while (true) {
+        i++; // fake data update
+        mail_t *mail = mail_box.alloc();
+        mail->voltage = CREATE_VOLTAGE(i);
+        mail->current = CREATE_CURRENT(i);
+        mail->counter = i;
+        mail_box.put(mail);
+        Thread::wait(QUEUE_PUT_DELAY);
+    }
+}
+
+int main (void) {
+    GREENTEA_SETUP(20, "default_auto");
+
+    Thread thread(osPriorityNormal, STACK_SIZE);
+    thread.start(send_thread);
+    bool result = true;
+    int result_counter = 0;
+
+    while (true) {
+        osEvent evt = mail_box.get();
+        if (evt.status == osEventMail) {
+            mail_t *mail = (mail_t*)evt.value.p;
+            const float expected_voltage = CREATE_VOLTAGE(mail->counter);
+            const float expected_current = CREATE_CURRENT(mail->counter);
+            // Check using macros if received values correspond to values sent via queue
+            bool expected_values = (expected_voltage == mail->voltage) &&
+                                   (expected_current == mail->current);
+            result = result && expected_values;
+            const char *result_msg = expected_values ? "OK" : "FAIL";
+            printf("%3d %.2fV %.2fA ... [%s]\r\n", mail->counter,
+                                                   mail->voltage,
+                                                   mail->current,
+                                                   result_msg);
+            mail_box.free(mail);
+            if (result == false || ++result_counter == QUEUE_SIZE) {
+                break;
+            }
+        }
+    }
+    GREENTEA_TESTSUITE_RESULT(result);
+    return 0;
+}