/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-01-13 RiceChen the first version * 2023-05-04 GeoDong modified for ArtInChip */ #include #include #include "gt911.h" #define THREAD_PRIORITY 25 #define THREAD_STACK_SIZE 1024 #define THREAD_TIMESLICE 5 static rt_thread_t gt911_thread = RT_NULL; static rt_sem_t gt911_sem = RT_NULL; static rt_device_t dev = RT_NULL; static struct rt_touch_data *read_data; static struct rt_touch_info info; static void gt911_entry(void *parameter) { rt_device_control(dev, RT_TOUCH_CTRL_GET_INFO, &info); read_data = (struct rt_touch_data *)rt_malloc(sizeof(struct rt_touch_data) * info.point_num); while (1) { rt_sem_take(gt911_sem, RT_WAITING_FOREVER); if (rt_device_read(dev, 0, read_data, info.point_num) == info.point_num) { for (rt_uint8_t i = 0; i < info.point_num; i++) { if (read_data[i].event == RT_TOUCH_EVENT_DOWN || read_data[i].event == RT_TOUCH_EVENT_MOVE) { rt_kprintf("%d %d %d %d %d\n", read_data[i].track_id, read_data[i].x_coordinate, read_data[i].y_coordinate, read_data[i].timestamp, read_data[i].width); } } } rt_device_control(dev, RT_TOUCH_CTRL_ENABLE_INT, RT_NULL); } } static rt_err_t rx_callback(rt_device_t dev, rt_size_t size) { rt_sem_release(gt911_sem); rt_device_control(dev, RT_TOUCH_CTRL_DISABLE_INT, RT_NULL); return 0; } /* Test function */ static void test_gt911(void *parameter) { void *id; dev = rt_device_find("gt911"); if (dev == RT_NULL) { rt_kprintf("can't find device:%s\n", "gt911"); return; } if (rt_device_open(dev, RT_DEVICE_FLAG_INT_RX) != RT_EOK) { rt_kprintf("open device failed!"); return; } id = rt_malloc(sizeof(rt_uint8_t) * 8); rt_device_control(dev, RT_TOUCH_CTRL_GET_ID, id); rt_uint8_t * read_id = (rt_uint8_t *)id; rt_kprintf("id = GT%d%d%d \n", read_id[0] - '0', read_id[1] - '0', read_id[2] - '0'); // rt_device_control(dev, RT_TOUCH_CTRL_SET_X_RANGE, &x); /* if possible you can set your x y coordinate*/ // rt_device_control(dev, RT_TOUCH_CTRL_SET_Y_RANGE, &y); rt_device_control(dev, RT_TOUCH_CTRL_GET_INFO, id); rt_kprintf("range_x = %d \n", (*(struct rt_touch_info*)id).range_x); rt_kprintf("range_y = %d \n", (*(struct rt_touch_info*)id).range_y); rt_kprintf("point_num = %d \n", (*(struct rt_touch_info*)id).point_num); rt_free(id); rt_device_set_rx_indicate(dev, rx_callback); gt911_sem = rt_sem_create("dsem", 0, RT_IPC_FLAG_FIFO); if (gt911_sem == RT_NULL) { rt_kprintf("create dynamic semaphore failed.\n"); return; } gt911_thread = rt_thread_create("gt911", gt911_entry, RT_NULL, THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); if (gt911_thread != RT_NULL) rt_thread_startup(gt911_thread); return; } MSH_CMD_EXPORT(test_gt911, test gt911 sample);