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/* 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 "timer.h"
#include "watchdog.h"
#include "dut_common.h"
#include "cts_common.h"
#include "gpio_common.h"
enum cts_error_code sync_test(void)
{
return SUCCESS;
}
enum cts_error_code set_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 UNKNOWN;
}
enum cts_error_code set_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 UNKNOWN;
}
enum cts_error_code read_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 SUCCESS;
else
return FAILURE;
}
enum cts_error_code read_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 SUCCESS;
else
return FAILURE;
}
enum cts_error_code od_read_high_test(void)
{
int level;
gpio_set_flags(GPIO_OUTPUT_TEST, GPIO_ODR_HIGH | GPIO_PULL_UP);
msleep(READ_WAIT_TIME_MS);
level = gpio_get_level(GPIO_OUTPUT_TEST);
if (!level)
return SUCCESS;
else
return FAILURE;
}
void cts_task(void)
{
enum cts_error_code results[GPIO_CTS_TEST_COUNT];
int i;
sync();
results[0] = sync_test();
sync();
results[1] = set_low_test();
sync();
results[2] = set_high_test();
sync();
results[3] = read_high_test();
sync();
results[4] = read_low_test();
sync();
results[5] = od_read_high_test();
CPRINTS("GPIO test suite finished");
uart_flush_output();
CPRINTS("Results:");
for (i = 0; i < GPIO_CTS_TEST_COUNT; i++) {
switch (results[i]) {
case SUCCESS:
CPRINTS("%d) Passed", i);
break;
case FAILURE:
CPRINTS("%d) Failed", i);
break;
case BAD_SYNC:
CPRINTS("%d) Bad sync", i);
break;
case UNKNOWN:
CPRINTS("%d) Test result unknown", i);
break;
default:
CPRINTS("%d) ErrorCode not recognized", i);
break;
}
}
while (1) {
watchdog_reload();
sleep(1);
}
}
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