lvgl_esp32_drivers/lvgl_touch/l58.cpp

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/*
* Copyright © 2020 Martin Fasani
* Permission is hereby granted, free of charge, to any person obtaining a copy of this
* software and associated documentation files (the Software), to deal in the Software
* without restriction, including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
* to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <esp_log.h>
#include <driver/i2c.h>
#ifdef LV_LVGL_H_INCLUDE_SIMPLE
#include <lvgl.h>
#else
#include <lvgl/lvgl.h>
#endif
#include "l58.h"
#include "../lvgl_i2c_conf.h"
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// Cale touch implementation
#include "L58Touch.h"
L58Touch Touch(CONFIG_LV_TOUCH_INT);
#define TAG "L58"
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TPoint point;
/**
* @brief Initialize for FT6x36 communication via I2C
* @param dev_addr: Device address on communication Bus (I2C slave address of FT6X36).
* @retval None
*/
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void l58_init() {
ESP_LOGI(TAG, "l58_init() Touch initialized");
Touch.begin(960, 540);
}
/**
* @brief Get the touch screen X and Y positions values. Ignores multi touch
* @param drv:
* @param data: Store data here
* @retval Always false
*/
bool l58_read(lv_indev_drv_t *drv, lv_indev_data_t *data) {
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point = Touch.loop();
data->point.x = point.x;
data->point.y = point.y;
if (point.event == 3) {
data->state = LV_INDEV_STATE_PR;
} else {
data->state = LV_INDEV_STATE_REL;
}
return false;
}