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2dd6457196
To be able to test the touch device in polling mode, variable `TOUCH_DEV_POLLING` is introduced. It is set to 0 by default and can be overriden by 1 to use the polling mode. The polling period can be controlled by the `TOUCH_DEV_POLLING_PERIOD` variable.
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/*
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* Copyright (C) 2020 Inria
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* 2023 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Generic touch device test application
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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* @author Gunar Schorcht <gunar@schorcht.net>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include "mutex.h"
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#include "ztimer.h"
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#include "touch_dev.h"
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#if IS_USED(MODULE_STMPE811)
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#include "stmpe811.h"
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#include "test_utils/expect.h"
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#endif
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#ifndef TOUCH_DEV_POLLING_PERIOD
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#define TOUCH_DEV_POLLING_PERIOD 50
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#endif
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#if !IS_ACTIVE(TOUCH_DEV_POLLING_MODE)
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static void _touch_event_cb(void *arg)
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{
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mutex_unlock(arg);
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}
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#endif
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int main(void)
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{
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/* Use the first screen */
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touch_dev_reg_t *touch_dev = touch_dev_reg_find_screen(0);
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if (!touch_dev) {
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puts("No screen found!");
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return -1;
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}
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#if !IS_ACTIVE(TOUCH_DEV_POLLING_MODE)
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mutex_t lock = MUTEX_INIT_LOCKED;
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touch_dev_set_touch_event_callback(touch_dev->dev, _touch_event_cb, &lock);
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#endif
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#if IS_USED(MODULE_STMPE811)
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uint16_t xmax = touch_dev_width(touch_dev->dev);
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uint16_t ymax = touch_dev_height(touch_dev->dev);
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stmpe811_t *stmpe811 = (stmpe811_t *)touch_dev->dev;
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expect(xmax == stmpe811->params.xmax);
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expect(ymax == stmpe811->params.ymax);
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#endif
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uint8_t last_touches = touch_dev_touches(touch_dev->dev, NULL, 1);
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while (1) {
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#if IS_ACTIVE(TOUCH_DEV_POLLING_MODE)
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ztimer_sleep(ZTIMER_MSEC, TOUCH_DEV_POLLING_PERIOD);
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#else
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/* wait for event */
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mutex_lock(&lock);
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#endif
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touch_t touches[1];
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uint8_t current_touches = touch_dev_touches(touch_dev->dev, touches, 1);
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if (current_touches != last_touches) {
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if (current_touches == 0) {
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puts("Event: released!");
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}
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if (current_touches > 0) {
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puts("Event: pressed!");
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}
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last_touches = current_touches;
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}
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/* Display touch position if pressed */
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if (current_touches == 1) {
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printf("X: %i, Y:%i\n", touches[0].x, touches[0].y);
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}
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}
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return 0;
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}
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