/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-02-08 Zhangyihong the first version */ #include "drv_touch.h" #include #ifdef BSP_USING_TOUCH #ifdef PKG_USING_GUIENGINE #include #include #elif defined(PKG_USING_LITTLEVGL2RTT) #include #endif #define BSP_TOUCH_SAMPLE_HZ (50) #define DBG_ENABLE #define DBG_SECTION_NAME "TOUCH" #define DBG_LEVEL DBG_ERROR #define DBG_COLOR #include static rt_list_t driver_list; void rt_touch_drivers_register(touch_drv_t drv) { rt_list_insert_before(&driver_list, &drv->list); } static void post_down_event(rt_uint16_t x, rt_uint16_t y, rt_tick_t ts) { #ifdef PKG_USING_GUIENGINE struct rtgui_event_mouse emouse; emouse.parent.sender = RT_NULL; emouse.wid = RT_NULL; emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON; emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN; emouse.x = x; emouse.y = y; emouse.ts = rt_tick_get(); emouse.id = ts; rtgui_server_post_event(&emouse.parent, sizeof(emouse)); #elif defined(PKG_USING_LITTLEVGL2RTT) littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_DOWN); #endif } static void post_motion_event(rt_uint16_t x, rt_uint16_t y, rt_tick_t ts) { #ifdef PKG_USING_GUIENGINE struct rtgui_event_mouse emouse; emouse.parent.sender = RT_NULL; emouse.wid = RT_NULL; emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN; emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION; emouse.x = x; emouse.y = y; emouse.ts = rt_tick_get(); emouse.id = ts; rtgui_server_post_event(&emouse.parent, sizeof(emouse)); #elif defined(PKG_USING_LITTLEVGL2RTT) littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_MOVE); #endif } static void post_up_event(rt_uint16_t x, rt_uint16_t y, rt_tick_t ts) { #ifdef PKG_USING_GUIENGINE struct rtgui_event_mouse emouse; emouse.parent.sender = RT_NULL; emouse.wid = RT_NULL; emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON; emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP; emouse.x = x; emouse.y = y; emouse.ts = rt_tick_get(); emouse.id = ts; rtgui_server_post_event(&emouse.parent, sizeof(emouse)); #elif defined(PKG_USING_LITTLEVGL2RTT) littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_MOVE); #endif } static void touch_thread_entry(void *parameter) { touch_drv_t touch = (touch_drv_t)parameter; struct touch_message msg; rt_tick_t emouse_id = 0; touch->ops->isr_enable(RT_TRUE); while (1) { if (rt_sem_take(touch->isr_sem, 10) != RT_EOK) { continue; } while(touch->ops->read_point(&msg) == RT_EOK) { switch (msg.event) { case TOUCH_EVENT_UP: post_up_event(msg.x, msg.y, emouse_id); break; case TOUCH_EVENT_DOWN: emouse_id = rt_tick_get(); post_down_event(msg.x, msg.y, emouse_id); break; case TOUCH_EVENT_MOVE: post_motion_event(msg.x, msg.y, emouse_id); break; default: break; } rt_thread_delay(RT_TICK_PER_SECOND / BSP_TOUCH_SAMPLE_HZ); } touch->ops->isr_enable(RT_TRUE); } } static int rt_touch_driver_init(void) { rt_list_init(&driver_list); return 0; } INIT_BOARD_EXPORT(rt_touch_driver_init); static struct rt_i2c_bus_device *i2c_bus = RT_NULL; static int rt_touch_thread_init(void) { rt_list_t *l; touch_drv_t current_driver; rt_thread_t tid = RT_NULL; i2c_bus = (struct rt_i2c_bus_device *)rt_device_find(BSP_I2C1_NAME); RT_ASSERT(i2c_bus); current_driver = RT_NULL; if (rt_device_open((rt_device_t)i2c_bus, RT_DEVICE_OFLAG_RDWR) != RT_EOK) return -1; for (l = driver_list.next; l != &driver_list; l = l->next) { if (rt_list_entry(l, struct touch_drivers, list)->probe(i2c_bus)) { current_driver = rt_list_entry(l, struct touch_drivers, list); break; } } if (current_driver == RT_NULL) { LOG_E("no touch screen or do not have driver\r\n"); rt_device_close((rt_device_t)i2c_bus); return -1; } current_driver->ops->init(i2c_bus); LOG_I("touch screen found driver\r\n"); tid = rt_thread_create("touch", touch_thread_entry, current_driver, 2048, 27, 20); if (tid == RT_NULL) { current_driver->ops->deinit(); rt_device_close((rt_device_t)i2c_bus); return -1; } rt_thread_startup(tid); return 0; } static void touch_init_thread_entry(void *parameter) { rt_touch_thread_init(); } static int touc_bg_init(void) { rt_thread_t tid = RT_NULL; tid = rt_thread_create("touchi", touch_init_thread_entry, RT_NULL, 2048, 28, 20); if (tid == RT_NULL) { return -1; } rt_thread_startup(tid); return 0; } INIT_APP_EXPORT(touc_bg_init); #endif