coreboot-libre-fam15h-rdimm/3rdparty/chromeec/cts/gpio/th.c

75 lines
1.5 KiB
C

/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "watchdog.h"
#include "uart.h"
#include "task.h"
#include "timer.h"
#include "watchdog.h"
#include "cts_common.h"
enum cts_rc sync_test(void)
{
return CTS_RC_SUCCESS;
}
enum cts_rc set_high_test(void)
{
int level;
gpio_set_flags(GPIO_INPUT_TEST, GPIO_INPUT | GPIO_PULL_UP);
msleep(READ_WAIT_TIME_MS);
level = gpio_get_level(GPIO_INPUT_TEST);
if (level)
return CTS_RC_SUCCESS;
else
return CTS_RC_FAILURE;
}
enum cts_rc set_low_test(void)
{
int level;
gpio_set_flags(GPIO_INPUT_TEST, GPIO_INPUT | GPIO_PULL_UP);
msleep(READ_WAIT_TIME_MS);
level = gpio_get_level(GPIO_INPUT_TEST);
if (!level)
return CTS_RC_SUCCESS;
else
return CTS_RC_FAILURE;
}
enum cts_rc read_high_test(void)
{
gpio_set_flags(GPIO_OUTPUT_TEST, GPIO_ODR_LOW);
gpio_set_level(GPIO_OUTPUT_TEST, 1);
msleep(READ_WAIT_TIME_MS*2);
return CTS_RC_SUCCESS;
}
enum cts_rc read_low_test(void)
{
gpio_set_flags(GPIO_OUTPUT_TEST, GPIO_ODR_LOW);
gpio_set_level(GPIO_OUTPUT_TEST, 0);
msleep(READ_WAIT_TIME_MS*2);
return CTS_RC_SUCCESS;
}
enum cts_rc od_read_high_test(void)
{
gpio_set_flags(GPIO_INPUT_TEST, GPIO_OUTPUT | GPIO_ODR_LOW);
msleep(READ_WAIT_TIME_MS*2);
return CTS_RC_SUCCESS;
}
#include "cts_testlist.h"
void cts_task(void)
{
cts_main_loop(tests, "GPIO");
task_wait_event(-1);
}