add some code
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managed_components/espressif__esp_lcd_axs15231b/README.md
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managed_components/espressif__esp_lcd_axs15231b/README.md
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# ESP LCD & Touch AXS15231B
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[](https://components.espressif.com/components/espressif/esp_lcd_axs15231b)
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Implementation of the AXS15231B LCD & Touch controller with esp_lcd component.
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| LCD controller | Communication interface | Component name | Link to datasheet |
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| :------------: | :---------------------: | :------------: | :---------------: |
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| AXS15231B | I80/SPI/QSPI | esp_lcd_axs15231b | [Specification](https://dl.espressif.com/AE/esp_iot_solution/AXS15231B_Datasheet_V0.5_20230306.pdf) |
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## Add to project
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Packages from this repository are uploaded to [Espressif's component service](https://components.espressif.com/).
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You can add them to your project via `idf.py add-dependancy`, e.g.
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```
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idf.py add-dependency esp_lcd_axs15231b==1.0.0
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```
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Alternatively, you can create `idf_component.yml`. More is in [Espressif's documentation](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/tools/idf-component-manager.html).
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## Initialization of the LCD component.
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### SPI Interface
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```c
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ESP_LOGI(TAG, "Initialize SPI bus");
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const spi_bus_config_t buscfg = AXS15231B_PANEL_BUS_SPI_CONFIG(EXAMPLE_PIN_NUM_LCD_PCLK,
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EXAMPLE_PIN_NUM_LCD_DATA0,
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EXAMPLE_LCD_H_RES * 80 * sizeof(uint16_t));
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ESP_ERROR_CHECK(spi_bus_initialize(EXAMPLE_LCD_HOST, &buscfg, SPI_DMA_CH_AUTO));
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ESP_LOGI(TAG, "Install panel IO");
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esp_lcd_panel_io_handle_t io_handle = NULL;
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const esp_lcd_panel_io_spi_config_t io_config = AXS15231B_PANEL_IO_SPI_CONFIG(EXAMPLE_PIN_NUM_LCD_CS, EXAMPLE_PIN_NUM_LCD_DC,
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callback, &callback_data);
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)EXAMPLE_LCD_HOST, &io_config, &io_handle));
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/**
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* Uncomment these line if use custom initialization commands.
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* The array should be declared as static const and positioned outside the function.
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*/
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// static const axs15231b_lcd_init_cmd_t lcd_init_cmds[] = {
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// // {cmd, { data }, data_size, delay_ms}
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// {0xFF, (uint8_t []){0x20, 0x10, 0x10}, 3, 0},
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// {0x0C, (uint8_t []){0x11}, 1, 0},
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// {0x10, (uint8_t []){0x02}, 1, 0},
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// {0x11, (uint8_t []){0x11}, 1, 0},
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// ...
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// };
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ESP_LOGI(TAG, "Install AXS15231B panel driver");
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esp_lcd_panel_handle_t panel_handle = NULL;
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const axs15231b_vendor_config_t vendor_config = {
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// .init_cmds = lcd_init_cmds, // Uncomment these line if use custom initialization commands
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// .init_cmds_size = sizeof(lcd_init_cmds) / sizeof(axs15231b_lcd_init_cmd_t),
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.flags = {
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.use_qspi_interface = 0,
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},
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};
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const esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_LCD_RST,
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.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB, // Implemented by LCD command `36h`
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.bits_per_pixel = 16, // Implemented by LCD command `3Ah` (16/18)
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.vendor_config = &vendor_config,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_axs15231b(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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esp_lcd_panel_disp_on_off(panel_handle, true);
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```
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### QSPI Interface
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```c
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ESP_LOGI(TAG, "Initialize QSPI bus");
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const spi_bus_config_t buscfg = AXS15231B_PANEL_BUS_QSPI_CONFIG(EXAMPLE_PIN_NUM_LCD_PCLK,
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EXAMPLE_PIN_NUM_LCD_DATA0,
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EXAMPLE_PIN_NUM_LCD_DATA1,
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EXAMPLE_PIN_NUM_LCD_DATA2,
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EXAMPLE_PIN_NUM_LCD_DATA3,
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EXAMPLE_LCD_H_RES * 80 * sizeof(uint16_t));
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ESP_ERROR_CHECK(spi_bus_initialize(EXAMPLE_LCD_HOST, &buscfg, SPI_DMA_CH_AUTO));
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ESP_LOGI(TAG, "Install panel IO");
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esp_lcd_panel_io_handle_t io_handle = NULL;
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const esp_lcd_panel_io_spi_config_t io_config = AXS15231B_PANEL_IO_QSPI_CONFIG(EXAMPLE_PIN_NUM_LCD_CS, callback, &callback_data);
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)EXAMPLE_LCD_HOST, &io_config, &io_handle));
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/**
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* Uncomment these line if use custom initialization commands.
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* The array should be declared as static const and positioned outside the function.
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*/
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// static const axs15231b_lcd_init_cmd_t lcd_init_cmds[] = {
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// // {cmd, { data }, data_size, delay_ms}
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// {0xFF, (uint8_t []){0x20, 0x10, 0x10}, 3, 0},
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// {0x0C, (uint8_t []){0x11}, 1, 0},
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// {0x10, (uint8_t []){0x02}, 1, 0},
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// {0x11, (uint8_t []){0x11}, 1, 0},
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// ...
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// };
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ESP_LOGI(TAG, "Install AXS15231B panel driver");
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esp_lcd_panel_handle_t panel_handle = NULL;
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const axs15231b_vendor_config_t vendor_config = {
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// .init_cmds = lcd_init_cmds, // Uncomment these line if use custom initialization commands
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// .init_cmds_size = sizeof(lcd_init_cmds) / sizeof(axs15231b_lcd_init_cmd_t),
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.flags = {
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.use_qspi_interface = 1,
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},
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};
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const esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_LCD_RST,
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.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB, // Implemented by LCD command `36h`
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.bits_per_pixel = 16, // Implemented by LCD command `3Ah` (16/18)
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.vendor_config = &vendor_config,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_axs15231b(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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esp_lcd_panel_disp_on_off(panel_handle, true);
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```
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### I80 Interface
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```c
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ESP_LOGI(TAG, "Initialize Intel 8080 bus");
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ESP_ERROR_CHECK(esp_lcd_new_i80_bus(&bus_config, &i80_bus));
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ESP_LOGI(TAG, "Install panel IO");
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esp_lcd_panel_io_handle_t io_handle = NULL;
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const esp_lcd_panel_io_spi_config_t io_config = ILI9341_PANEL_IO_SPI_CONFIG(EXAMPLE_PIN_NUM_LCD_CS, EXAMPLE_PIN_NUM_LCD_DC,
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example_callback, &example_callback_ctx);
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i80(i80_bus, &io_config, &io_handle));
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/**
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* Uncomment these lines if use custom initialization commands.
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* The array should be declared as static const and positioned outside the function.
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*/
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// static const axs15231b_lcd_init_cmd_t lcd_init_cmds[] = {
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// // {cmd, { data }, data_size, delay_ms}
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// {0xCF, (uint8_t []){0x00, 0xAA, 0XE0}, 3, 0},
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// {0xED, (uint8_t []){0x67, 0x03, 0X12, 0X81}, 4, 0},
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// {0xE8, (uint8_t []){0x8A, 0x01, 0x78}, 3, 0},
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// ...
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// };
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ESP_LOGI(TAG, "Install AXS15231B panel driver");
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esp_lcd_panel_handle_t panel_handle = NULL;
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// const axs15231b_vendor_config_t vendor_config = { // Uncomment these lines if use custom initialization commands
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// .init_cmds = lcd_init_cmds,
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// .init_cmds_size = sizeof(lcd_init_cmds) / sizeof(axs15231b_lcd_init_cmd_t),
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// };
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const esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_LCD_RST,
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.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB, // Implemented by LCD command `36h`
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.bits_per_pixel = 16, // Implemented by LCD command `3Ah` (16/18)
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.vendor_config = &vendor_config,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_axs15231b(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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esp_lcd_panel_disp_on_off(panel_handle, true);
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```
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## Initialization of the touch component.
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```
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esp_lcd_panel_io_i2c_config_t io_config = ESP_LCD_TOUCH_IO_I2C_AXS15231B_CONFIG();
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esp_lcd_touch_config_t tp_cfg = {
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.x_max = CONFIG_LCD_HRES,
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.y_max = CONFIG_LCD_VRES,
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.rst_gpio_num = -1,
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.int_gpio_num = -1,
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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 = 0,
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.mirror_x = 0,
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.mirror_y = 0,
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},
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};
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esp_lcd_touch_handle_t tp;
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esp_lcd_touch_new_i2c_axs15231b(io_config, &tp_cfg, &tp);
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```
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Read data from the touch controller and store it in RAM memory. It should be called regularly in poll.
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```
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esp_lcd_touch_read_data(tp);
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```
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Get one X and Y coordinates with strength of touch.
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```
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uint16_t touch_x[1];
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uint16_t touch_y[1];
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uint16_t touch_strength[1];
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uint8_t touch_cnt = 0;
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bool touchpad_pressed = esp_lcd_touch_get_coordinates(tp, touch_x, touch_y, touch_strength, &touch_cnt, 1);
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```
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There is an example in ESP-IDF with this LCD controller. Please follow this [link](https://github.com/espressif/esp-idf/tree/master/examples/peripherals/lcd/spi_lcd_touch).
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