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050c7df011
This module controls the inductive charging transmitter. For now, the policy is to charge whenever possible. BUG=chrome-os-partner:31392 TEST=Unit test passed BRANCH=None Change-Id: Ie48a38ad92fe2bc3329c4962e96572f2bc40b4e6 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/212715
104 lines
2.7 KiB
C
104 lines
2.7 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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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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/* Close the lid. Transmitter should be enabled. */
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set_lid_open(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. Charging should stop. */
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set_lid_open(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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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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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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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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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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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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test_print_result();
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}
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