Tactiliest/Drivers/CST816S/Source/Cst816sTouch.cpp
Ken Van Hoeylandt 933bc5fb97
Driver improvements (#226)
- Created driver subprojects: `FT5x06`, `FT6x36`, `CST816S`.
- Refactored existing projects to use new drivers.
- Improve `PwmBacklight` driver: expose frequency, channel id and timer id
- Update `build-and-release-all.sh` for recent board addition
2025-02-20 22:41:56 +01:00

85 lines
2.2 KiB
C++

#include "Cst816Touch.h"
#include <Tactility/Log.h>
#include <driver/i2c.h>
#include <esp_err.h>
#include <esp_lcd_touch.h>
#include <esp_lcd_touch_cst816s.h>
#include <esp_lvgl_port.h>
#define TAG "cst816s"
bool Cst816sTouch::start(lv_display_t* display) {
TT_LOG_I(TAG, "Starting");
const esp_lcd_panel_io_i2c_config_t touch_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
if (esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)configuration->port, &touch_io_config, &ioHandle) != ESP_OK) {
TT_LOG_E(TAG, "Touch I2C IO init failed");
return false;
}
esp_lcd_touch_config_t config = {
.x_max = configuration->xMax,
.y_max = configuration->yMax,
.rst_gpio_num = configuration->pinReset,
.int_gpio_num = configuration->pinInterrupt,
.levels = {
.reset = configuration->pinResetLevel,
.interrupt = configuration->pinInterruptLevel,
},
.flags = {
.swap_xy = configuration->swapXY,
.mirror_x = configuration->mirrorX,
.mirror_y = configuration->mirrorY,
},
.process_coordinates = nullptr,
.interrupt_callback = nullptr,
.user_data = nullptr,
.driver_data = nullptr
};
if (esp_lcd_touch_new_i2c_cst816s(ioHandle, &config, &touchHandle) != ESP_OK) {
TT_LOG_E(TAG, "Driver init failed");
cleanup();
return false;
}
const lvgl_port_touch_cfg_t touch_cfg = {
.disp = display,
.handle = touchHandle,
};
deviceHandle = lvgl_port_add_touch(&touch_cfg);
if (deviceHandle == nullptr) {
TT_LOG_E(TAG, "Adding touch failed");
cleanup();
return false;
}
TT_LOG_I(TAG, "Finished");
return true;
}
bool Cst816sTouch::stop() {
cleanup();
return true;
}
void Cst816sTouch::cleanup() {
if (deviceHandle != nullptr) {
lv_indev_delete(deviceHandle);
deviceHandle = nullptr;
}
if (touchHandle != nullptr) {
esp_lcd_touch_del(touchHandle);
touchHandle = nullptr;
}
if (ioHandle != nullptr) {
esp_lcd_panel_io_del(ioHandle);
ioHandle = nullptr;
}
}