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33142ba9ac
For the transmitter to clear CHARGE_DONE, charging must be enabled. Therefore, we should always enable charging when the lid is just closed. BRANCH=ryu BUG=None TEST=Test on Ryu p1. Signed-off-by: Vic Yang <victoryang@chromium.org> Change-Id: I44f3d7c9e413a63be66ccf9695fea5411b2067b6 Reviewed-on: https://chromium-review.googlesource.com/231121 Reviewed-by: Randall Spangler <rspangler@chromium.org>
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/* Copyright 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Test inductive charging module.
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*/
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#include "common.h"
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#include "console.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "inductive_charging.h"
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#include "lid_switch.h"
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#include "test_util.h"
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#include "timer.h"
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#include "util.h"
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#define START_CHARGE_DELAY 5000 /* ms */
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#define TEST_CHECK_CHARGE_DELAY (START_CHARGE_DELAY + 500) /* ms */
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static void wait_for_lid_debounce(void)
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{
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while (lid_is_open() != gpio_get_level(GPIO_LID_OPEN))
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msleep(20);
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}
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static void set_lid_open(int lid_open)
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{
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gpio_set_level(GPIO_LID_OPEN, lid_open);
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wait_for_lid_debounce();
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}
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static int test_lid(void)
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{
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/* Lid is open initially */
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set_lid_open(1);
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gpio_set_level(GPIO_CHARGE_DONE, 0);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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/*
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* Close the lid. The EC should wait for a second before
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* enabling transmitter.
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*/
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set_lid_open(0);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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msleep(TEST_CHECK_CHARGE_DELAY);
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/* Transmitter should now be enabled. */
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
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/* Open the lid. Charging should stop. */
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set_lid_open(1);
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msleep(TEST_CHECK_CHARGE_DELAY);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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return EC_SUCCESS;
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}
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static int test_charge_done(void)
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{
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/* Close the lid to start charging */
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set_lid_open(0);
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msleep(TEST_CHECK_CHARGE_DELAY);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
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/* Charging is done. Stop charging, but don't turn off transmitter. */
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gpio_set_level(GPIO_CHARGE_DONE, 1);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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/* Oops, need charging again. */
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gpio_set_level(GPIO_CHARGE_DONE, 0);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
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return EC_SUCCESS;
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}
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static int test_lid_open_during_charging(void)
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{
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/* Close the lid. Start charging. */
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set_lid_open(0);
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msleep(TEST_CHECK_CHARGE_DELAY);
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gpio_set_level(GPIO_CHARGE_DONE, 0);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
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/* Open the lid. Transmitter should be turned off. */
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set_lid_open(1);
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msleep(TEST_CHECK_CHARGE_DELAY);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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/* Toggle charge done signal. Charging should not start. */
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gpio_set_level(GPIO_CHARGE_DONE, 1);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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gpio_set_level(GPIO_CHARGE_DONE, 0);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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return EC_SUCCESS;
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}
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static int test_clear_charge_done(void)
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{
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/* Lid is open initially. CHARGE_DONE is set. */
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set_lid_open(1);
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msleep(TEST_CHECK_CHARGE_DELAY);
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gpio_set_level(GPIO_CHARGE_DONE, 1);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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/* Close the lid. Charging should start. */
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set_lid_open(0);
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msleep(TEST_CHECK_CHARGE_DELAY);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
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gpio_set_level(GPIO_CHARGE_DONE, 0);
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/* Charge is done. */
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gpio_set_level(GPIO_CHARGE_DONE, 1);
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TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
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TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
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return EC_SUCCESS;
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}
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void run_test(void)
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{
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test_reset();
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RUN_TEST(test_lid);
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RUN_TEST(test_charge_done);
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RUN_TEST(test_lid_open_during_charging);
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RUN_TEST(test_clear_charge_done);
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test_print_result();
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}
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