diff options
Diffstat (limited to 'test/button.c')
| -rw-r--r-- | test/button.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/test/button.c b/test/button.c deleted file mode 100644 index e457eaa786..0000000000 --- a/test/button.c +++ /dev/null @@ -1,318 +0,0 @@ -/* Copyright 2014 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. - * - * Test non-keyboard buttons. -* - * Using GPIOS and buttons[] defined in board/host/board.c - * Volume down is active low with a debounce time of 30 mSec. - * Volume up is active high with a debounce time of 60 mSec. - * - */ - -#include "button.h" -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "host_command.h" -#include "test_util.h" -#include "timer.h" -#include "keyboard_config.h" -#include "keyboard_protocol.h" -#include "util.h" - -#define UNCHANGED -1 - -uint8_t keyboard_cols = KEYBOARD_COLS_MAX; - -static const struct button_config *button_vol_down = - &buttons[BUTTON_VOLUME_DOWN]; -static const struct button_config *button_vol_up = &buttons[BUTTON_VOLUME_UP]; - -static int button_state[BUTTON_COUNT]; - -/* - * Callback from the button handling logic. - * This is normally implemented by a keyboard protocol handler. - */ -void keyboard_update_button(enum keyboard_button_type button, int is_pressed) -{ - int i; - - for (i = 0; i < BUTTON_COUNT; i++) { - if (buttons[i].type == button) { - button_state[i] = is_pressed; - break; - } - } -} - -/* Test pressing a button */ -static int test_button_press(void) -{ - gpio_set_level(button_vol_down->gpio, 0); - msleep(100); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - - return EC_SUCCESS; -} - -/* Test releasing a button */ -static int test_button_release(void) -{ - gpio_set_level(button_vol_up->gpio, 0); - msleep(100); - gpio_set_level(button_vol_up->gpio, 1); - msleep(100); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == 0); - - return EC_SUCCESS; -} - -/* A press shorter than the debounce time should not trigger an update */ -static int test_button_debounce_short_press(void) -{ - gpio_set_level(button_vol_down->gpio, 0); - msleep(10); - gpio_set_level(button_vol_down->gpio, 1); - msleep(100); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - - return EC_SUCCESS; -} - -/* A short bounce while pressing should still result in a button press */ -static int test_button_debounce_short_bounce(void) -{ - gpio_set_level(button_vol_down->gpio, 0); - msleep(10); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - gpio_set_level(button_vol_down->gpio, 1); - msleep(10); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - gpio_set_level(button_vol_down->gpio, 0); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - - return EC_SUCCESS; -} - -/* Button level must be stable for the entire debounce interval */ -static int test_button_debounce_stability(void) -{ - gpio_set_level(button_vol_down->gpio, 0); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - gpio_set_level(button_vol_down->gpio, 1); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - gpio_set_level(button_vol_down->gpio, 0); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - msleep(60); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - gpio_set_level(button_vol_down->gpio, 1); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 0); - msleep(60); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 0); - - return EC_SUCCESS; -} - -/* Test pressing both buttons at different times */ -static int test_button_press_both(void) -{ - gpio_set_level(button_vol_down->gpio, 0); - msleep(10); - gpio_set_level(button_vol_up->gpio, 0); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == UNCHANGED); - msleep(30); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == UNCHANGED); - msleep(40); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == 1); - - return EC_SUCCESS; -} - -/* Button simulate test cases */ -static int send_button_hostcmd(uint32_t btn_mask, uint32_t press_ms) -{ - struct ec_params_button p; - - p.press_ms = press_ms; - p.btn_mask = btn_mask; - - return test_send_host_command(EC_CMD_BUTTON, 0, &p, sizeof(p), NULL, 0); -} - -static void test_sim_button_util(uint32_t btn_mask, uint32_t press_ms) -{ - send_button_hostcmd(btn_mask, press_ms); - msleep(100); -} - -/* Test simulate pressing a button */ -static int test_sim_button_press(void) -{ - test_sim_button_util(1 << KEYBOARD_BUTTON_VOLUME_DOWN, 100); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - - return EC_SUCCESS; -} - -/* Test simulate releasing a button */ -static int test_sim_button_release(void) -{ - test_sim_button_util(1 << KEYBOARD_BUTTON_VOLUME_UP, 50); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == 0); - - return EC_SUCCESS; -} - -/* A press shorter than the debounce time should not trigger an update */ -static int test_sim_button_debounce_short_press(void) -{ - test_sim_button_util(1 << KEYBOARD_BUTTON_VOLUME_DOWN, 10); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - - return EC_SUCCESS; -} - -/* A short bounce while pressing should still result in a button press */ -static int test_sim_button_debounce_short_bounce(void) -{ - uint32_t btn_mask = 0; - - btn_mask |= (1 << KEYBOARD_BUTTON_VOLUME_DOWN); - send_button_hostcmd(btn_mask, 10); - msleep(50); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - - send_button_hostcmd(btn_mask, 100); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - - return EC_SUCCESS; -} - -/* Button level must be stable for the entire debounce interval */ -static int test_sim_button_debounce_stability(void) -{ - uint32_t btn_mask = 0; - - btn_mask |= (1 << KEYBOARD_BUTTON_VOLUME_DOWN); - send_button_hostcmd(btn_mask, 10); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - - send_button_hostcmd(btn_mask, 100); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - msleep(60); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - msleep(20); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 0); - msleep(60); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 0); - - return EC_SUCCESS; -} - -/* Test simulate pressing both buttons */ -static int test_sim_button_press_both(void) -{ - uint32_t btn_mask = 0; - - btn_mask |= (1 << KEYBOARD_BUTTON_VOLUME_DOWN); - btn_mask |= (1 << KEYBOARD_BUTTON_VOLUME_UP); - send_button_hostcmd(btn_mask, 100); - msleep(10); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == UNCHANGED); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == UNCHANGED); - msleep(60); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 1); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == 1); - msleep(100); - TEST_ASSERT(button_state[BUTTON_VOLUME_DOWN] == 0); - TEST_ASSERT(button_state[BUTTON_VOLUME_UP] == 0); - - return EC_SUCCESS; -} - -static void button_test_init(void) -{ - int i; - - ccprints("Setting button GPIOs to inactive state"); - for (i = 0; i < BUTTON_COUNT; i++) - gpio_set_level(buttons[i].gpio, - !(buttons[i].flags & BUTTON_FLAG_ACTIVE_HIGH)); - - msleep(100); - for (i = 0; i < BUTTON_COUNT; i++) - button_state[i] = UNCHANGED; -} - -void run_test(int argc, char **argv) -{ - test_reset(); - - button_init(); - - button_test_init(); - RUN_TEST(test_button_press); - - button_test_init(); - RUN_TEST(test_button_release); - - button_test_init(); - RUN_TEST(test_button_debounce_short_press); - - button_test_init(); - RUN_TEST(test_button_debounce_short_bounce); - - button_test_init(); - RUN_TEST(test_button_debounce_stability); - - button_test_init(); - RUN_TEST(test_button_press_both); - - button_test_init(); - RUN_TEST(test_sim_button_press); - - button_test_init(); - RUN_TEST(test_sim_button_release); - - button_test_init(); - RUN_TEST(test_sim_button_debounce_short_press); - - button_test_init(); - RUN_TEST(test_sim_button_debounce_short_bounce); - - button_test_init(); - RUN_TEST(test_sim_button_debounce_stability); - - button_test_init(); - RUN_TEST(test_sim_button_press_both); - - test_print_result(); -} |