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https://github.com/trezor/trezor-firmware.git
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91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TREZORHAL_HAPTIC_H
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#define TREZORHAL_HAPTIC_H
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#include <trezor_types.h>
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typedef enum {
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// Effect at the start of a button press
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HAPTIC_BUTTON_PRESS = 0,
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// Effect at the and of hold-to-confirm action
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HAPTIC_HOLD_TO_CONFIRM = 1,
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} haptic_effect_t;
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#ifdef KERNEL_MODE
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// Initializes the haptic driver
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//
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// The function initializes the GPIO pins and the hardware
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// peripherals used by the haptic driver.
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//
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// Returns `true` if the initialization was successful.
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bool haptic_init(void);
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// Deinitializes the haptic driver
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//
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// The function deinitializes the hardware peripherals used by the
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// haptic driver so the device can be eventually put into a low-power mode.
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void haptic_deinit(void);
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#endif // KERNEL_MODE
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// Enables or disables the haptic driver
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//
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// When the driver is disabled, it does not play any haptic effects
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// and potentially can put the controller into a low-power mode.
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//
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// The driver is enabled by default (after initialization).
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void haptic_set_enabled(bool enabled);
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// Returns `true` if haptic driver is enabled
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bool haptic_get_enabled(void);
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// Tests the haptic driver, playing at maximum amplitude for the given duration
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//
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// This function is used during production testing to verify that the haptic
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// motor is working correctly.
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//
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// Returns `true` if the test effect was successfully started.
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bool haptic_test(uint16_t duration_ms);
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// Plays one of haptic effects
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//
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// The function stops playing any currently running effect and
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// starts playing the specified effect.
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//
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// Returns `true` if the effect was successfully started.
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bool haptic_play(haptic_effect_t effect);
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// Starts the haptic motor with a specified amplitude (in percent) for a
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// specified duration (in milliseconds).
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//
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// The function stops playing any currently running effect and
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// starts playing the specified effect.
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//
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// The function can be invoked repeatedly during the specified duration
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// (`duration_ms`) to modify the amplitude dynamically, allowing
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// the creation of customized haptic effects.
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//
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// Returns `true` if the effect was successfully started.
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bool haptic_play_custom(int8_t amplitude_pct, uint16_t duration_ms);
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#endif // TREZORHAL_HAPTIC_H
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