mirror of
https://github.com/trezor/trezor-firmware.git
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48 lines
1.3 KiB
C
48 lines
1.3 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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#include STM32_HAL_H
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#include "touch.h"
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#if TREZOR_MODEL == T
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#include "touch_T.h"
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#elif TREZOR_MODEL == 1
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#include "touch_1.h"
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#else
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#error Unknown Trezor model
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#endif
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uint32_t touch_click(void) {
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uint32_t r = 0;
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// flush touch events if any
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while (touch_read()) {
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}
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// wait for TOUCH_START
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while ((touch_read() & TOUCH_START) == 0) {
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}
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// wait for TOUCH_END
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while (((r = touch_read()) & TOUCH_END) == 0) {
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}
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// flush touch events if any
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while (touch_read()) {
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}
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// return last touch coordinate
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return r;
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}
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