#include <rtthread.h> #include <rtdevice.h> #include "ft6236.h" #include "touch.h" #include "drv_common.h" #include <rttlogo.h> #include "drv_spi_ili9488.h" #define DBG_TAG "ft6236_example" #define DBG_LVL DBG_LOG #include <rtdbg.h> rt_thread_t ft6236_thread; rt_device_t touch; void ft6236_thread_entry(void *parameter) { struct rt_touch_data *read_data; rt_uint16_t touch_x,touch_y; rt_uint8_t i; read_data = (struct rt_touch_data *)rt_calloc(1, sizeof(struct rt_touch_data)); while(1) { rt_device_read(touch, 0, read_data, 1); if (read_data->event == RT_TOUCH_EVENT_DOWN) { rt_kprintf("down x: %03d y: %03d", read_data->x_coordinate, read_data->y_coordinate); rt_kprintf(" t: %d\n", read_data->timestamp); for(i=0;i<13;i++)//计算落子的x坐标 { if(abs((read_data->y_coordinate)-(16+24*i))<12) { touch_x=16+24*i; break; } } for(i=0;i<13;i++)//计算落子的y坐标 { if(abs((320-(read_data->x_coordinate))-(16+24*i))<12) { touch_y=16+24*i; break; } } //落子 lcd_show_image(touch_x-12, touch_y-12, 24, 24, acwhite); } if (read_data->event == RT_TOUCH_EVENT_MOVE) { rt_kprintf("move x: %03d y: %03d", read_data->x_coordinate, read_data->y_coordinate); rt_kprintf(" t: %d\n", read_data->timestamp); } if (read_data->event == RT_TOUCH_EVENT_UP) { rt_kprintf("up x: %03d y: %03d", read_data->x_coordinate, read_data->y_coordinate); rt_kprintf(" t: %d\n\n", read_data->timestamp); } rt_thread_delay(10); } } #define REST_PIN GET_PIN(D, 3) int ft6236_example(void) { struct rt_touch_config cfg; cfg.dev_name = "i2c2"; rt_hw_ft6236_init("touch", &cfg, REST_PIN); touch = rt_device_find("touch"); rt_device_open(touch, RT_DEVICE_FLAG_RDONLY); struct rt_touch_info info; rt_device_control(touch, RT_TOUCH_CTRL_GET_INFO, &info); LOG_I("type :%d", info.type); LOG_I("vendor :%d", info.vendor); LOG_I("point_num :%d", info.point_num); LOG_I("range_x :%d", info.range_x); LOG_I("range_y :%d", info.range_y); ft6236_thread = rt_thread_create("touch", ft6236_thread_entry, RT_NULL, 800, 10, 20); if (ft6236_thread == RT_NULL) { LOG_D("create ft6236 thread err"); return -RT_ENOMEM; } rt_thread_startup(ft6236_thread); return RT_EOK; } INIT_APP_EXPORT(ft6236_example);

这段代码是一个基于RT-Thread操作系统的触摸屏驱动例程，使用FT6236触摸屏控制器。在主线程中初始化并打开触摸设备，创建一个线程ft6236_thread来处理触摸事件。当触摸屏发生down事件时，通过计算触摸点的坐标来确定落子位置，并在LCD上绘制一个24x24像素的白色方块表示落子。当触摸屏发生move和up事件时，分别输出相应的信息。