Workflow

1.
Start an asynchronous FREQM read job, to store measurement data into the global buffer and generate a callback when complete.
```
freqm_start_measure(&freqm_instance);
```

Wait until the asynchronous read job is complete.

while (!freqm_read_done) {
}
status = freqm_get_result_value(&freqm_instance, &measure_result);

The board LED on to indicate measurement data read.

case FREQM_STATUS_MEASURE_DONE:
    LED_On(LED_0_PIN);
    while (true) {
    }

The board LED toggled to indicate measurement overflow occous.

case FREQM_STATUS_CNT_OVERFLOW:
    freqm_clear_overflow(&freqm_instance);
    while (true) {
        LED_Toggle(LED_0_PIN);
        volatile uint32_t delay = 50000;
        while(delay--) {
        }
    }