6 float voltage; /* AD result of measured voltage */
7 float current; /* AD result of measured current */
8 uint32_t counter; /* A counter value */
11 #define CREATE_VOLTAGE(COUNTER) (COUNTER * 0.1) * 33
12 #define CREATE_CURRENT(COUNTER) (COUNTER * 0.1) * 11
14 #define QUEUE_PUT_DELAY 100
17 * The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
18 * the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
19 * and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
21 #if defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)
22 #define STACK_SIZE DEFAULT_STACK_SIZE/4
24 #define STACK_SIZE DEFAULT_STACK_SIZE
27 Mail<mail_t, QUEUE_SIZE> mail_box;
29 void send_thread (void const *argument) {
30 static uint32_t i = 10;
32 i++; // fake data update
33 mail_t *mail = mail_box.alloc();
34 mail->voltage = CREATE_VOLTAGE(i);
35 mail->current = CREATE_CURRENT(i);
38 Thread::wait(QUEUE_PUT_DELAY);
43 MBED_HOSTTEST_TIMEOUT(20);
44 MBED_HOSTTEST_SELECT(default_auto);
45 MBED_HOSTTEST_DESCRIPTION(Mail messaging);
46 MBED_HOSTTEST_START("RTOS_6");
48 Thread thread(send_thread, NULL, osPriorityNormal, STACK_SIZE);
50 int result_counter = 0;
53 osEvent evt = mail_box.get();
54 if (evt.status == osEventMail) {
55 mail_t *mail = (mail_t*)evt.value.p;
56 const float expected_voltage = CREATE_VOLTAGE(mail->counter);
57 const float expected_current = CREATE_CURRENT(mail->counter);
58 // Check using macros if received values correspond to values sent via queue
59 bool expected_values = (expected_voltage == mail->voltage) &&
60 (expected_current == mail->current);
61 result = result && expected_values;
62 const char *result_msg = expected_values ? "OK" : "FAIL";
63 printf("%3d %.2fV %.2fA ... [%s]\r\n", mail->counter,
68 if (result == false || ++result_counter == QUEUE_SIZE) {
73 MBED_HOSTTEST_RESULT(result);