kbf/test/test_gpio.cpp

#include <atomic>

#include "kbf.h"
#include "kbf/gpio.h"

#include <unity.h>

// TODO use Kconfig
#define INPUT_PIN   27
#define INPUT_PIN_2 34
#define OUTPUT_PIN  13

using namespace std;
using namespace kbf;

static atomic<int> counter = {0};

TEST_CASE("GPIO", "[kbf_gpio]") {
    auto input   = new gpio::Input(INPUT_PIN);
    auto notUsed = new gpio::Input(INPUT_PIN_2);
    TEST_ASSERT_TRUE(notUsed->isLow())

    auto output = gpio::Output(OUTPUT_PIN);
    TEST_ASSERT_EQUAL(OUTPUT_PIN, output.pin);

    kbf::sleep(100);
    TEST_ASSERT_EQUAL(0, counter);

    output.high();
    kbf::sleep(100);
    TEST_ASSERT_EQUAL(0, counter);

    output.low();
    kbf::sleep(100);
    TEST_ASSERT_EQUAL(0, counter);

    input->onLow = {[](gpio::Input &input) {
        TEST_ASSERT_EQUAL(INPUT_PIN, input.pin);
        counter += 1;
    }};
    input->onHigh = {[](gpio::Input &input) {
        TEST_ASSERT_EQUAL(INPUT_PIN, input.pin);
        counter += 100;
    }};

    output.high();
    kbf::sleep(20);
    TEST_ASSERT_EQUAL(100, counter);

    kbf::sleep(300);
    TEST_ASSERT_EQUAL(100, counter);

    output.low();
    kbf::sleep(20);
    TEST_ASSERT_EQUAL(101, counter);

    kbf::sleep(300);
    TEST_ASSERT_EQUAL(101, counter);

    delete input;
    output.high();
    kbf::sleep(20);
    TEST_ASSERT_EQUAL(101, counter);
    output.low();
    kbf::sleep(20);
    TEST_ASSERT_EQUAL(101, counter);
}