Test: FPGA shield: Extend the GPIO HAL API tests

pull/11038/head
Filip Jagodzinski 2019-07-12 13:56:09 +02:00
parent d53bd6120d
commit 74be850126
2 changed files with 191 additions and 57 deletions

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@ -30,75 +30,199 @@ using namespace utest::v1;
#include "MbedTester.h"
#include "pinmap.h"
#include "test_utils.h"
const PinList *form_factor = pinmap_ff_default_pins();
const PinList *restricted = pinmap_restricted_pins();
MbedTester tester(form_factor, restricted);
// This delay is used when reading a floating input that has an internal pull-up
// or pull-down resistor. The voltage response is much slower when the input
// is not driven externally.
#define HI_Z_READ_DELAY_US 5
void gpio_inout_test(PinName pin)
{
gpio_t gpio;
gpio_init_inout(&gpio, pin, PIN_OUTPUT, PullNone, 0);
TEST_ASSERT_EQUAL(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
/* Test GPIO output */
gpio_write(&gpio, 1);
TEST_ASSERT_EQUAL(1, tester.gpio_read(MbedTester::LogicalPinGPIO0));
gpio_write(&gpio, 0);
TEST_ASSERT_EQUAL(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
gpio_dir(&gpio, PIN_INPUT);
/* Test GPIO input */
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, true);
TEST_ASSERT_EQUAL(0, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 1, true);
TEST_ASSERT_EQUAL(1, gpio_read(&gpio));
/* Set gpio back to Hi-Z */
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
}
void gpio_inout_test()
{
for (int i = 0; i < form_factor->count; i++) {
const PinName test_pin = form_factor->pins[i];
if (test_pin == NC) {
continue;
}
if (pinmap_list_has_pin(restricted, test_pin)) {
printf("Skipping gpio pin %s (%i)\r\n", pinmap_ff_default_pin_to_string(test_pin), test_pin);
continue;
}
tester.pin_map_reset();
tester.pin_map_set(test_pin, MbedTester::LogicalPinGPIO0);
printf("GPIO test on pin %s (%i)\r\n", pinmap_ff_default_pin_to_string(test_pin), test_pin);
gpio_inout_test(test_pin);
}
}
utest::v1::status_t setup(const Case *const source, const size_t index_of_case)
MbedTester tester(DefaultFormFactor::pins(), DefaultFormFactor::restricted_pins());
/* Test basic input & output operations.
*
* Given a GPIO instance initialized with a generic gpio_init() function,
* when basic input and output operations are performed,
* then all operations succeed.
*/
void test_basic_input_output(PinName pin)
{
// Reset everything and set all tester pins to hi-Z.
tester.reset();
// Map pins for test.
tester.pin_map_set(pin, MbedTester::LogicalPinGPIO0);
// Select GPIO0.
tester.select_peripheral(MbedTester::PeripheralGPIO);
return greentea_case_setup_handler(source, index_of_case);
// Initialize GPIO pin with a generic init fun.
gpio_t gpio;
// Test gpio_is_connected() returned value.
gpio_init(&gpio, NC);
TEST_ASSERT_EQUAL_INT(0, gpio_is_connected(&gpio));
gpio_init(&gpio, pin);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
// Test GPIO used as an input.
gpio_dir(&gpio, PIN_INPUT);
// Test input, pull-up mode.
gpio_mode(&gpio, PullUp);
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio)); // hi-Z, pulled up
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, true);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 1, true);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, true);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio)); // hi-Z, pulled up
// Test input, pull-down mode.
gpio_mode(&gpio, PullDown);
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio)); // hi-Z, pulled down
tester.gpio_write(MbedTester::LogicalPinGPIO0, 1, true);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, true);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 1, true);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio)); // hi-Z, pulled down
// Test input, pull-none mode.
gpio_mode(&gpio, PullNone);
tester.gpio_write(MbedTester::LogicalPinGPIO0, 1, true);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, true);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 1, true);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio));
// Test GPIO used as an output.
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
gpio_dir(&gpio, PIN_OUTPUT);
gpio_write(&gpio, 0);
TEST_ASSERT_EQUAL_INT(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
gpio_write(&gpio, 1);
TEST_ASSERT_EQUAL_INT(1, tester.gpio_read(MbedTester::LogicalPinGPIO0));
gpio_write(&gpio, 0);
TEST_ASSERT_EQUAL_INT(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
}
utest::v1::status_t teardown(const Case *const source, const size_t passed, const size_t failed,
const failure_t reason)
/* Test explicit input initialization.
*
* Given a GPIO instance,
* when additional parameters are passed to the input init function,
* then the GPIO is correctly initialized as an input.
*/
void test_explicit_input(PinName pin)
{
return greentea_case_teardown_handler(source, passed, failed, reason);
// Reset everything and set all tester pins to hi-Z.
tester.reset();
// Map pins for test.
tester.pin_map_set(pin, MbedTester::LogicalPinGPIO0);
// Select GPIO0.
tester.select_peripheral(MbedTester::PeripheralGPIO);
gpio_t gpio;
// Initialize GPIO pin as an input, pull-up mode.
memset(&gpio, 0, sizeof gpio);
gpio_init_in_ex(&gpio, pin, PullUp);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio)); // hi-Z, pulled up
// Initialize GPIO pin as an input, pull-down mode.
memset(&gpio, 0, sizeof gpio);
gpio_init_in_ex(&gpio, pin, PullDown);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio)); // hi-Z, pulled down
// Initialize GPIO pin as an input, pull-up mode.
memset(&gpio, 0, sizeof gpio);
gpio_init_inout(&gpio, pin, PIN_INPUT, PullUp, 0);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(1, gpio_read(&gpio)); // hi-Z, pulled up
// Initialize GPIO pin as an input, pull-down mode.
memset(&gpio, 0, sizeof gpio);
gpio_init_inout(&gpio, pin, PIN_INPUT, PullDown, 0);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
tester.gpio_write(MbedTester::LogicalPinGPIO0, 0, false);
wait_us(HI_Z_READ_DELAY_US);
TEST_ASSERT_EQUAL_INT(0, gpio_read(&gpio)); // hi-Z, pulled down
}
/* Test explicit output initialization.
*
* Given a GPIO instance,
* when additional parameters are passed to the output init function,
* then the GPIO is correctly initialized as an output.
*/
void test_explicit_output(PinName pin)
{
// Reset everything and set all tester pins to hi-Z.
tester.reset();
// Map pins for test.
tester.pin_map_set(pin, MbedTester::LogicalPinGPIO0);
// Select GPIO0.
tester.select_peripheral(MbedTester::PeripheralGPIO);
gpio_t gpio;
// Initialize GPIO pin as an output, output value = 0.
memset(&gpio, 0, sizeof gpio);
gpio_init_out(&gpio, pin);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
TEST_ASSERT_EQUAL_INT(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
// Initialize GPIO pin as an output, output value = 1.
memset(&gpio, 0, sizeof gpio);
gpio_init_out_ex(&gpio, pin, 1);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
TEST_ASSERT_EQUAL_INT(1, tester.gpio_read(MbedTester::LogicalPinGPIO0));
// Initialize GPIO pin as an output, output value = 0.
memset(&gpio, 0, sizeof gpio);
gpio_init_out_ex(&gpio, pin, 0);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
TEST_ASSERT_EQUAL_INT(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
// Initialize GPIO pin as an output, output value = 1.
memset(&gpio, 0, sizeof gpio);
gpio_init_inout(&gpio, pin, PIN_OUTPUT, PullNone, 1);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
TEST_ASSERT_EQUAL_INT(1, tester.gpio_read(MbedTester::LogicalPinGPIO0));
// Initialize GPIO pin as an output, output value = 0.
memset(&gpio, 0, sizeof gpio);
gpio_init_inout(&gpio, pin, PIN_OUTPUT, PullNone, 0);
TEST_ASSERT_NOT_EQUAL(0, gpio_is_connected(&gpio));
TEST_ASSERT_EQUAL_INT(0, tester.gpio_read(MbedTester::LogicalPinGPIO0));
}
Case cases[] = {
Case("GPIO - inout", setup, gpio_inout_test, teardown),
Case("generic init, input & output", all_ports<GPIOPort, DefaultFormFactor, test_basic_input_output>),
Case("explicit init, input", all_ports<GPIOPort, DefaultFormFactor, test_explicit_input>),
Case("explicit init, output", all_ports<GPIOPort, DefaultFormFactor, test_explicit_output>),
};
utest::v1::status_t greentea_test_setup(const size_t number_of_cases)

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@ -425,6 +425,16 @@ public:
* pin set to use for testing.
*/
struct GPIOMaps {
static const PinMap *maps[];
static const char *const pin_type_names[];
static const char *const name;
};
const PinMap *GPIOMaps::maps[] = { gpio_pinmap() };
const char *const GPIOMaps::pin_type_names[] = { "IO" };
const char *const GPIOMaps::name = "GPIO";
typedef Port<1, GPIOMaps, DefaultFormFactor, TF1> GPIOPort;
#if DEVICE_SPI
#include "spi_api.h"
struct SPIMaps {