tool/mbed/mbed-sdk/libraries/tests/mbed/time_us/main.cpp

   1 #include "mbed.h"
   2 #include "test_env.h"
   3
   4 DigitalOut led(LED1);
   5
   6 namespace {
   7     const int MS_INTERVALS = 1000;
   8 }
   9
  10 void print_char(char c = '*')
  11 {
  12     printf("%c", c);
  13     fflush(stdout);
  14 }
  15
  16 int main()
  17 {
  18     MBED_HOSTTEST_TIMEOUT(15);
  19     MBED_HOSTTEST_SELECT(wait_us_auto);
  20     MBED_HOSTTEST_DESCRIPTION(Time us);
  21     MBED_HOSTTEST_START("MBED_25");
  22
  23     while (true) {
  24         for (int i = 0; i < MS_INTERVALS; i++) {
  25             wait_us(1000);
  26         }
  27         led = !led; // Blink
  28         print_char();
  29     }
  30 }