98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-07-07 liYony The first version (FT6336)
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* 2022-07-08 liYony Add FT6206
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*/
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#include <lvgl.h>
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#include <rtdevice.h>
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#include <touch.h>
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#include <lcd_port.h>
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#define DBG_TAG "LVGL.port.indev"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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/* Add the include file of the package you are using */
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#ifdef BSP_USING_TOUCH_FT6X36
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#include <ft6236.h>
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#elif defined(BSP_USING_TOUCH_FT6206)
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#include <ft6206.h>
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#endif /* BSP_USING_TOUCH_FT6X36 */
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/* Touch chip connection information */
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#define BSP_TOUCH_I2C_BUS_NAME "i2c1"
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#define BSP_TOUCH_I2C_RESET_PIN 119 /* PH.7 */
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/* RT-Thread touch device name */
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#define TOUCH_DEV_NAME "touch"
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lv_indev_t * touch_indev;
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rt_device_t touch_dev;
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struct rt_touch_data *read_data;
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static void input_read(lv_indev_drv_t *indev_drv, lv_indev_data_t *data)
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{
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rt_device_read(touch_dev, 0, read_data, 1);
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if (read_data->event == RT_TOUCH_EVENT_NONE)
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return;
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/* Since the origin of the LCD screen and the origin of the touch screen are
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* different, the parameters passed in here need to be simply converted. */
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#ifdef BSP_USING_TOUCH_FT6X36
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data->point.x = read_data->y_coordinate;
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data->point.y = LCD_HEIGHT - read_data->x_coordinate;
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#elif defined(BSP_USING_TOUCH_FT6206)
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data->point.x = read_data->x_coordinate;
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data->point.y = LCD_HEIGHT - read_data->y_coordinate;
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#endif /* BSP_USING_TOUCH_FT6X36 */
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if (read_data->event == RT_TOUCH_EVENT_DOWN)
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data->state = LV_INDEV_STATE_PR;
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if (read_data->event == RT_TOUCH_EVENT_MOVE)
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data->state = LV_INDEV_STATE_PR;
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if (read_data->event == RT_TOUCH_EVENT_UP)
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data->state = LV_INDEV_STATE_REL;
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}
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void lv_port_indev_init(void)
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{
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static lv_indev_drv_t indev_drv;
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lv_indev_drv_init(&indev_drv); /*Basic initialization*/
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.read_cb = input_read;
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/*Register the driver in LVGL and save the created input device object*/
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touch_indev = lv_indev_drv_register(&indev_drv);
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}
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static int lv_hw_touch_init(void)
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{
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struct rt_touch_config cfg;
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cfg.dev_name = BSP_TOUCH_I2C_BUS_NAME;
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#ifdef BSP_USING_TOUCH_FT6X36
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rt_hw_ft6236_init(TOUCH_DEV_NAME, &cfg, BSP_TOUCH_I2C_RESET_PIN);
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#elif defined(BSP_USING_TOUCH_FT6206)
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rt_hw_ft6206_init(TOUCH_DEV_NAME, &cfg);
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#endif /* BSP_USING_TOUCH_FT6X36 */
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touch_dev = rt_device_find(TOUCH_DEV_NAME);
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if (rt_device_open(touch_dev, RT_DEVICE_FLAG_RDONLY) != RT_EOK)
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{
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LOG_E("Can't open touch device:%s", TOUCH_DEV_NAME);
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return -RT_ERROR;
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}
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read_data = (struct rt_touch_data *)rt_calloc(1, sizeof(struct rt_touch_data));
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return RT_EOK;
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}
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INIT_COMPONENT_EXPORT(lv_hw_touch_init);
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