mbed-os/libraries/tests/rtos/mbed/queue/main.cpp

62 lines
2.1 KiB
C++

#include "mbed.h"
#include "test_env.h"
#include "rtos.h"
typedef struct {
float voltage; /* AD result of measured voltage */
float current; /* AD result of measured current */
uint32_t counter; /* A counter value */
} message_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
MemoryPool<message_t, QUEUE_SIZE> mpool;
Queue<message_t, QUEUE_SIZE> queue;
/* Send Thread */
void send_thread (void const *argument) {
static uint32_t i = 10;
while (true) {
i++; // Fake data update
message_t *message = mpool.alloc();
message->voltage = CREATE_VOLTAGE(i);
message->current = CREATE_CURRENT(i);
message->counter = i;
queue.put(message);
Thread::wait(QUEUE_PUT_DELAY);
}
}
int main (void) {
Thread thread(send_thread);
bool result = true;
int result_counter = 0;
while (true) {
osEvent evt = queue.get();
if (evt.status == osEventMessage) {
message_t *message = (message_t*)evt.value.p;
const float expected_voltage = CREATE_VOLTAGE(message->counter);
const float expected_current = CREATE_CURRENT(message->counter);
// Check using macros if received values correspond to values sent via queue
bool expected_values = (expected_voltage == message->voltage) &&
(expected_current == message->current);
result = result && expected_values;
const char *result_msg = expected_values ? "OK" : "FAIL";
printf("%3d %.2fV %.2fA ... [%s]\r\n", message->counter,
message->voltage,
message->current,
result_msg);
mpool.free(message);
if (result == false || ++result_counter == QUEUE_SIZE) {
break;
}
}
}
notify_completion(result);
return 0;
}