rt-thread/bsp/lpc55sxx/Libraries/drivers/sample/touch_sample.c

48 lines
1.1 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-05-26 Chushicheng the first version
*/
/*
* Program listing: This is a touch device usage routine
* The routine exports touch_sample commands to the control terminal
* Command invocation format: touch_sample
* Program function: The terminal prints the coordinates of the touch point
*/
#include <rtdevice.h>
#include "drv_gt911.h"
static int touch_sample(void)
{
gt911_input_t ctp_input;
rt_device_t dev = rt_device_find("capt");
RT_ASSERT(dev != RT_NULL);
capt_t *capt = (capt_t*)dev->user_data;
while(1)
{
gt911_ctp_read(&capt->gt911, &ctp_input);
for (rt_uint8_t i = 0; i < ctp_input.num_pos; i++)
{
/* Found track ID #0 */
if (ctp_input.pos[i].id == 0)
{
rt_kprintf("x:%d, y:%d\r\n", capt->gt911.pos_y_max - ctp_input.pos[i].pos_y, ctp_input.pos[i].pos_x);
}
}
rt_thread_mdelay(16);
}
return RT_EOK;
}
MSH_CMD_EXPORT(touch_sample, the capt touch test);