ec90198dbf
This also fixes the touch driver issue. I also fixed an unrelated touch driver cleanup issue.
86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
#include "TdeckTouch.h"
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#include "esp_err.h"
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#include "esp_lcd_touch_gt911.h"
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#include "Log.h"
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#include "esp_lvgl_port.h"
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#define TAG "tdeck_touch"
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// Touch (GT911)
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#define TDECK_TOUCH_I2C_BUS_HANDLE I2C_NUM_0
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#define TDECK_TOUCH_X_MAX 240
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#define TDECK_TOUCH_Y_MAX 320
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bool TdeckTouch::start(lv_display_t* display) {
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const esp_lcd_panel_io_i2c_config_t io_config = ESP_LCD_TOUCH_IO_I2C_GT911_CONFIG();
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if (esp_lcd_new_panel_io_i2c(TDECK_TOUCH_I2C_BUS_HANDLE, &io_config, &ioHandle) != ESP_OK) {
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TT_LOG_E(TAG, "touch io i2c creation failed");
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return false;
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}
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esp_lcd_touch_config_t config = {
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.x_max = TDECK_TOUCH_X_MAX,
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.y_max = TDECK_TOUCH_Y_MAX,
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.rst_gpio_num = GPIO_NUM_NC,
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.int_gpio_num = GPIO_NUM_NC, // There is no reset pin for touch on the T-Deck, leading to a bug in esp_lvgl_port firing multiple click events when tapping the screen
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.levels = {
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.reset = 0,
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.interrupt = 0,
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},
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.flags = {
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.swap_xy = 1,
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.mirror_x = 1,
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.mirror_y = 0,
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},
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.process_coordinates = nullptr,
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.interrupt_callback = nullptr,
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.user_data = nullptr,
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.driver_data = nullptr
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};
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if (esp_lcd_touch_new_i2c_gt911(ioHandle, &config, &touchHandle) != ESP_OK) {
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TT_LOG_E(TAG, "GT199 driver init failed");
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cleanup();
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return false;
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}
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const lvgl_port_touch_cfg_t touch_cfg = {
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.disp = display,
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.handle = touchHandle,
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};
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TT_LOG_I(TAG, "Adding touch to LVGL");
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deviceHandle = lvgl_port_add_touch(&touch_cfg);
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if (deviceHandle == nullptr) {
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TT_LOG_E(TAG, "Adding touch failed");
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cleanup();
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return false;
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}
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return true;
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}
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bool TdeckTouch::stop() {
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cleanup();
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return true;
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}
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void TdeckTouch::cleanup() {
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if (deviceHandle != nullptr) {
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lv_indev_delete(deviceHandle);
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deviceHandle = nullptr;
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}
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if (touchHandle != nullptr) {
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esp_lcd_touch_del(touchHandle);
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touchHandle = nullptr;
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}
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if (ioHandle != nullptr) {
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esp_lcd_panel_io_del(ioHandle);
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ioHandle = nullptr;
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}
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}
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