tool/mbed/mbed-sdk/libraries/tests/mbed/ticker_2/main.cpp

   1 #include "mbed.h"
   2 #include "test_env.h"
   3
   4 Ticker tick;
   5 DigitalOut led(LED1);
   6
   7 namespace {
   8     const int MS_INTERVALS = 1000;
   9 }
  10
  11 void print_char(char c = '*')
  12 {
  13     printf("%c", c);
  14     fflush(stdout);
  15 }
  16
  17 void togglePin(void)
  18 {
  19     static int ticker_count = 0;
  20     if (ticker_count >= MS_INTERVALS) {
  21         print_char();
  22         ticker_count = 0;
  23         led = !led; // Blink
  24     }
  25     ticker_count++;
  26 }
  27
  28 int main()
  29 {
  30     MBED_HOSTTEST_TIMEOUT(15);
  31     MBED_HOSTTEST_SELECT(wait_us_auto);
  32     MBED_HOSTTEST_DESCRIPTION(Ticker Int us);
  33     MBED_HOSTTEST_START("MBED_23");
  34
  35     tick.attach_us(togglePin, 1000);
  36
  37     while (1);
  38 }