26.8.1.2.2 Workflow

  1. Make the application loop infinitely. 
    while (true) {
  2. Start to read a random data from TRNG until success. 
    while (trng_read(&trng_instance, &random_result) != STATUS_OK) {
}
  3. Toggle the board LED to indicate a random data is read. 
    port_pin_toggle_output_level(LED_0_PIN);
/* Add a short delay to see LED toggle */
volatile uint32_t delay = 50000;
while(delay--) {
}