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Add GPIO NC test 

Check two items of defined behaviour - that you can initialise a
gpio_t with NC, and you can detect that state with gpio_is_connected().
pull/10489/head
Kevin Bracey 2019-04-29 16:55:24 +03:00
parent e502eb5e34
commit 66f446b9a9
2 changed files with 59 additions and 2 deletions
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57
TESTS/mbed_hal/gpio/main.cpp Normal file
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@ -0,0 +1,57 @@
/* mbed Microcontroller Library
* Copyright (c) 2019 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "utest/utest.h"
#include "unity/unity.h"
#include "greentea-client/test_env.h"
using namespace utest::v1;
#include "PinNames.h"
#include "gpio_api.h"
static void gpio_nc_test()
{
gpio_t nc_obj;
gpio_init(&nc_obj, NC);
TEST_ASSERT_FALSE(gpio_is_connected(&nc_obj));
gpio_t led_obj;
gpio_init(&led_obj, LED1);
if (LED1 == NC) {
TEST_ASSERT_FALSE(gpio_is_connected(&led_obj));
} else {
TEST_ASSERT_TRUE(gpio_is_connected(&led_obj));
}
}
Case cases[] = {
Case("gpio NC test", gpio_nc_test)
};
utest::v1::status_t greentea_test_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(20, "default_auto");
return greentea_test_setup_handler(number_of_cases);
}
Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
int main()
{
Harness::run(specification);
}

4
hal/gpio_api.h
View File

@ -31,8 +31,8 @@ extern "C" {
* \defgroup hal_gpio GPIO HAL functions
*
* # Defined behavior
* * ::gpio_init and other init functions can be called with NC or a valid PinName for the target.
* * ::gpio_is_connected can be used to test whether a gpio_t object was initialized with NC.
* * ::gpio_init and other init functions can be called with NC or a valid PinName for the target - Verified by ::gpio_nc_test
* * ::gpio_is_connected can be used to test whether a gpio_t object was initialized with NC - Verified by ::gpio_nc_test
*
* # Undefined behavior
* * Calling any ::gpio_mode, ::gpio_dir, ::gpio_write or ::gpio_read on a gpio_t object that was initialized