openHASP/src/drv/touch/touch_driver_cst816.cpp
2025-03-10 18:51:05 +01:00

71 lines
2.0 KiB
C++

/* MIT License - Copyright (c) 2019-2024 Francis Van Roie
For full license information read the LICENSE file in the project folder */
#if defined(ARDUINO) && (TOUCH_DRIVER == 0x816)
#include <Arduino.h>
#include "ArduinoLog.h"
#include "hasp_conf.h"
#include "touch_driver_cst816.h"
#include <Wire.h>
#include "cst816t.h"
#include "touch_driver.h" // base class
#include "touch_helper.h" // i2c scanner
#include "../../hasp/hasp.h" // for hasp_sleep_state
extern uint8_t hasp_sleep_state;
cst816t touchpad(Wire, TOUCH_RST, TOUCH_IRQ);
namespace dev {
IRAM_ATTR bool TouchCst816::read(lv_indev_drv_t* indev_driver, lv_indev_data_t* data)
{
if(touchpad.available()) {
if(hasp_sleep_state != HASP_SLEEP_OFF) hasp_update_sleep_state(); // update Idle
//LOG_INFO(TAG_DRVR, "CST816 touched x:%d, y:%d", touchpad.x, touchpad.y);
#ifdef TOUCH_WIDTH
data->point.x = map(touchpad.x, 0, TOUCH_WIDTH - 1, 0, TFT_WIDTH - 1);
#else
data->point.x = touchpad.x;
#endif
#ifdef TOUCH_HEIGHT
data->point.y = map(touchpad.y, 0, TOUCH_HEIGHT - 1, 0, TFT_HEIGHT - 1);
#else
data->point.y = touchpad.y;
#endif
data->state = LV_INDEV_STATE_PR;
hasp_set_sleep_offset(0); // Reset the offset
} else {
data->state = LV_INDEV_STATE_REL;
}
/*Return `false` because we are not buffering and no more data to read*/
return false;
}
void TouchCst816::init(int w, int h)
{
Wire.begin(TOUCH_SDA, TOUCH_SCL, (uint32_t)I2C_TOUCH_FREQUENCY);
if(touchpad.begin(mode_touch) == true) {
LOG_INFO(TAG_DRVR, "CST816 %s (170X320)", D_SERVICE_STARTED);
} else {
LOG_WARNING(TAG_DRVR, "CST816 %s", D_SERVICE_START_FAILED);
}
Wire.begin(TOUCH_SDA, TOUCH_SCL, (uint32_t)I2C_TOUCH_FREQUENCY);
touch_scan(Wire); // The address could change during begin, so scan afterwards
}
} // namespace dev
dev::TouchCst816 haspTouch;
#endif // ARDUINO