blob: 258ab96e6ed01aa372ecc46b80f31a279d1ebddf [file] [log] [blame]
/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @addtogroup t_gpio_basic_api
* @{
* @defgroup t_gpio_callback_manage test_gpio_callback_manage
* @brief TestPurpose: verify zephyr gpio callback add/remove and enable/disable
* @}
*/
#include "test_gpio.h"
static struct drv_data cb_data[2];
static int cb_cnt[2];
static void callback_1(struct device *dev,
struct gpio_callback *gpio_cb, u32_t pins)
{
TC_PRINT("%s triggered: %d\n", __func__, ++cb_cnt[0]);
}
static void callback_2(struct device *dev,
struct gpio_callback *gpio_cb, u32_t pins)
{
TC_PRINT("%s triggered: %d\n", __func__, ++cb_cnt[1]);
}
static void callback_remove_self(struct device *dev,
struct gpio_callback *gpio_cb, u32_t pins)
{
struct drv_data *dd = CONTAINER_OF(gpio_cb, struct drv_data, gpio_cb);
TC_PRINT("%s triggered: %d\n", __func__, ++cb_cnt[1]);
dd->aux = gpio_remove_callback(dev, gpio_cb);
}
static void init_callback(struct device *dev,
gpio_callback_handler_t handler_1,
gpio_callback_handler_t handler_2)
{
gpio_pin_disable_callback(dev, PIN_IN);
gpio_pin_disable_callback(dev, PIN_OUT);
/* 1. set PIN_OUT */
gpio_pin_configure(dev, PIN_OUT, GPIO_DIR_OUT);
gpio_pin_write(dev, PIN_OUT, 0);
/* 2. configure PIN_IN callback and trigger condition */
gpio_pin_configure(dev, PIN_IN,
GPIO_DIR_IN | GPIO_INT | GPIO_INT_EDGE | \
GPIO_INT_ACTIVE_HIGH | GPIO_INT_DEBOUNCE);
gpio_init_callback(&cb_data[0].gpio_cb, handler_1, BIT(PIN_IN));
gpio_add_callback(dev, &cb_data[0].gpio_cb);
gpio_init_callback(&cb_data[1].gpio_cb, handler_2, BIT(PIN_IN));
gpio_add_callback(dev, &cb_data[1].gpio_cb);
}
static void trigger_callback(struct device *dev, int enable_cb)
{
gpio_pin_write(dev, PIN_OUT, 0);
k_sleep(K_MSEC(100));
cb_cnt[0] = 0;
cb_cnt[1] = 0;
if (enable_cb == 1) {
gpio_pin_enable_callback(dev, PIN_IN);
} else {
gpio_pin_disable_callback(dev, PIN_IN);
}
k_sleep(K_MSEC(100));
gpio_pin_write(dev, PIN_OUT, 1);
k_sleep(K_MSEC(1000));
}
static int test_callback_add_remove(void)
{
struct device *dev = device_get_binding(DEV_NAME);
/* SetUp: initialize environment */
init_callback(dev, callback_1, callback_2);
/* 3. enable callback, trigger PIN_IN interrupt by operate PIN_OUT */
trigger_callback(dev, 1);
/*= checkpoint: check callback is triggered =*/
if (cb_cnt[0] != 1 || cb_cnt[1] != 1) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
/* 4. remove callback_1 */
gpio_remove_callback(dev, &cb_data[0].gpio_cb);
trigger_callback(dev, 1);
/*= checkpoint: check callback is triggered =*/
if (cb_cnt[0] != 0 || cb_cnt[1] != 1) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
/* 5. remove callback_2 */
gpio_remove_callback(dev, &cb_data[1].gpio_cb);
trigger_callback(dev, 1);
/*= checkpoint: check callback is triggered =*/
if (cb_cnt[0] != 0 || cb_cnt[1] != 0) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
return TC_PASS;
err_exit:
gpio_remove_callback(dev, &cb_data[0].gpio_cb);
gpio_remove_callback(dev, &cb_data[1].gpio_cb);
return TC_FAIL;
}
static int test_callback_self_remove(void)
{
int res = TC_FAIL;
struct device *dev = device_get_binding(DEV_NAME);
/* SetUp: initialize environment */
init_callback(dev, callback_1, callback_remove_self);
gpio_pin_write(dev, PIN_OUT, 0);
k_sleep(K_MSEC(100));
cb_data[0].aux = INT_MAX;
cb_data[1].aux = INT_MAX;
/* 3. enable callback, trigger PIN_IN interrupt by operate PIN_OUT */
trigger_callback(dev, 1);
/*= checkpoint: check both callbacks are triggered =*/
if (cb_cnt[0] != 1 || cb_cnt[1] != 1) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
/*= checkpoint: check remove executed is invoked =*/
if (cb_data[0].aux != INT_MAX || cb_data[1].aux != 0) {
TC_ERROR("not remove callback correctly\n");
goto err_exit;
}
/* 4 enable callback, trigger PIN_IN interrupt by operate PIN_OUT */
trigger_callback(dev, 1);
/*= checkpoint: check only remaining callback is triggered =*/
if (cb_cnt[0] != 1 || cb_cnt[1] != 0) {
TC_ERROR("not trigger remaining callback correctly\n");
goto err_exit;
}
res = TC_PASS;
err_exit:
gpio_remove_callback(dev, &cb_data[0].gpio_cb);
gpio_remove_callback(dev, &cb_data[1].gpio_cb);
return res;
}
static int test_callback_enable_disable(void)
{
struct device *dev = device_get_binding(DEV_NAME);
/* SetUp: initialize environment */
init_callback(dev, callback_1, callback_2);
/* 3. enable callback, trigger PIN_IN interrupt by operate PIN_OUT */
trigger_callback(dev, 1);
/*= checkpoint: check callback is triggered =*/
if (cb_cnt[0] != 1 || cb_cnt[1] != 1) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
/* 4. disable callback */
trigger_callback(dev, 0);
/*= checkpoint: check callback is triggered =*/
if (cb_cnt[0] != 0 || cb_cnt[1] != 0) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
/* 5. enable callback again */
trigger_callback(dev, 1);
/*= checkpoint: check callback is triggered =*/
if (cb_cnt[0] != 1 || cb_cnt[1] != 1) {
TC_ERROR("not trigger callback correctly\n");
goto err_exit;
}
gpio_remove_callback(dev, &cb_data[0].gpio_cb);
gpio_remove_callback(dev, &cb_data[1].gpio_cb);
return TC_PASS;
err_exit:
gpio_remove_callback(dev, &cb_data[0].gpio_cb);
gpio_remove_callback(dev, &cb_data[1].gpio_cb);
return TC_FAIL;
}
void test_gpio_callback_add_remove(void)
{
zassert_true(
test_callback_add_remove() == TC_PASS, NULL);
}
void test_gpio_callback_self_remove(void)
{
zassert_true(
test_callback_self_remove() == TC_PASS, NULL);
}
void test_gpio_callback_enable_disable(void)
{
zassert_true(
test_callback_enable_disable() == TC_PASS, NULL);
}