mbed demo / Mbed OS Blinky_Tests

Tests for simple blinky library.

Dependencies:   Blinky

Fork of Blinky_Tests by Sarah Marsh

TESTS/Blinky/5_Blinks/main.cpp@5:4f1e6b065e6b, 2016-11-08 (annotated)

Committer:
mbed_demo
Date:
Tue Nov 08 22:43:52 2016 +0000
Revision:
5:4f1e6b065e6b
Parent:
4:09af3b2d723e
Child:
7:cb3da0486f3c
Wait time calculation change.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sarahmarshy 0:0d5d376157a0 1 #include "Blinky.h"
sarahmarshy 0:0d5d376157a0 2 #include "mbed.h"
sarahmarshy 0:0d5d376157a0 3 #include "greentea-client/test_env.h"
sarahmarshy 0:0d5d376157a0 4 #include "unity.h"
sarahmarshy 0:0d5d376157a0 5 #include "utest.h"
sarahmarshy 0:0d5d376157a0 6 #include "rtos.h"
sarahmarshy 0:0d5d376157a0 7
sarahmarshy 0:0d5d376157a0 8 using namespace utest::v1;
sarahmarshy 0:0d5d376157a0 9
sarahmarshy 0:0d5d376157a0 10 //All tests will blink the LED 5 times
sarahmarshy 0:0d5d376157a0 11 const int expected_blinks = 5;
sarahmarshy 0:0d5d376157a0 12 //To be set by interrupt handler
sarahmarshy 0:0d5d376157a0 13
sarahmarshy 0:0d5d376157a0 14 //Generic blink test
sarahmarshy 0:0d5d376157a0 15 //interval => the the amount of time between blinks
sarahmarshy 0:0d5d376157a0 16 //led => PinName of LED to blink
mbed_demo 2:a6755ef75598 17 void test_blinks(PinName led, int interval){
sarahmarshy 0:0d5d376157a0 18 //Set an appropriate wait time to measure exactly expected_blinks
sarahmarshy 0:0d5d376157a0 19 //with the given interval
mbed_demo 5:4f1e6b065e6b 20 float wait_time = interval*(2*expected_blinks-1);
sarahmarshy 0:0d5d376157a0 21 //Create Blinky
sarahmarshy 0:0d5d376157a0 22 Blinky blinker(led, interval);
sarahmarshy 0:0d5d376157a0 23 //start blinky
sarahmarshy 0:0d5d376157a0 24 blinker.start();
sarahmarshy 0:0d5d376157a0 25 //Wait the appropriate amount of time for expected_blinks
sarahmarshy 0:0d5d376157a0 26 Thread::wait(wait_time);
sarahmarshy 0:0d5d376157a0 27 blinker.stop();
mbed_demo 4:09af3b2d723e 28
mbed_demo 4:09af3b2d723e 29 float measured_blinks = blinker.times_blinked();
mbed_demo 2:a6755ef75598 30 //Only assert if failure
mbed_demo 4:09af3b2d723e 31 TEST_ASSERT(measured_blinks == (float)expected_blinks);
sarahmarshy 0:0d5d376157a0 32 }
sarahmarshy 0:0d5d376157a0 33
sarahmarshy 0:0d5d376157a0 34 void blink_500(){
sarahmarshy 0:0d5d376157a0 35 //Blinky with a 500 ms interval between blinks
mbed_demo 2:a6755ef75598 36 test_blinks(LED1, 500);
sarahmarshy 0:0d5d376157a0 37 }
sarahmarshy 0:0d5d376157a0 38 void blink_1000(){
sarahmarshy 0:0d5d376157a0 39 //Blinky with a 1000 ms interval between blinks
mbed_demo 2:a6755ef75598 40 test_blinks(LED1, 1000);
sarahmarshy 0:0d5d376157a0 41 }
sarahmarshy 0:0d5d376157a0 42
sarahmarshy 0:0d5d376157a0 43 utest::v1::status_t test_setup(const size_t number_of_cases) {
sarahmarshy 0:0d5d376157a0 44 // Setup Greentea using a reasonable timeout in seconds
sarahmarshy 0:0d5d376157a0 45 GREENTEA_SETUP(40, "default_auto");
sarahmarshy 0:0d5d376157a0 46 return verbose_test_setup_handler(number_of_cases);
sarahmarshy 0:0d5d376157a0 47 }
sarahmarshy 0:0d5d376157a0 48
sarahmarshy 0:0d5d376157a0 49 // Test cases
sarahmarshy 0:0d5d376157a0 50 Case cases[] = {
sarahmarshy 0:0d5d376157a0 51 Case("Testing 500 ms interval", blink_500),
sarahmarshy 0:0d5d376157a0 52 Case("Testing 1000 ms interval", blink_1000),
sarahmarshy 0:0d5d376157a0 53 };
sarahmarshy 0:0d5d376157a0 54
sarahmarshy 0:0d5d376157a0 55 Specification specification(test_setup, cases);
sarahmarshy 0:0d5d376157a0 56
sarahmarshy 0:0d5d376157a0 57 // Entry point into the tests
sarahmarshy 0:0d5d376157a0 58 int main() {
sarahmarshy 0:0d5d376157a0 59 return !Harness::run(specification);
sarahmarshy 0:0d5d376157a0 60 }