93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
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/**
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* @file lvgl_driver.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "sdkconfig.h"
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#include "lvgl_driver.h"
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#include "lvgl_tft/disp_spi.h"
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#include "lvgl_touch/tp_spi.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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#ifdef SHARED_SPI_BUS
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static void configure_shared_spi_bus(void);
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#endif // SHARED_SPI_BUS
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lvgl_driver_init(void)
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{
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/* Interface and driver initialization */
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#ifdef SHARED_SPI_BUS
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/* Configure one SPI bus for the two devices */
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configure_shared_spi_bus();
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/* Configure the drivers */
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disp_driver_init(false);
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#if CONFIG_LVGL_TOUCH_CONTROLLER != TOUCH_CONTROLLER_NONE
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touch_driver_init(false);
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#endif
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#else
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/* Otherwise configure the SPI bus and devices separately inside the drivers*/
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disp_driver_init(true);
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#if CONFIG_LVGL_TOUCH_CONTROLLER != TOUCH_CONTROLLER_NONE
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touch_driver_init(true);
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#endif
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#endif // SHARED_SPI_BUS
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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#ifdef SHARED_SPI_BUS
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static void configure_shared_spi_bus(void)
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{
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/* Shared SPI bus configuration */
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spi_bus_config_t buscfg = {
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.miso_io_num = TP_SPI_MISO,
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.mosi_io_num = DISP_SPI_MOSI,
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.sclk_io_num = DISP_SPI_CLK,
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.quadwp_io_num = -1,
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.quadhd_io_num = -1,
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#if CONFIG_LVGL_TFT_DISPLAY_CONTROLLER == TFT_CONTROLLER_ILI9341
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.max_transfer_sz = DISP_BUF_SIZE * 2,
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#elif CONFIG_LVGL_TFT_DISPLAY_CONTROLLER == TFT_CONTROLLER_ST7789
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.max_transfer_sz = DISP_BUF_SIZE * 2,
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#elif CONFIG_LVGL_TFT_DISPLAY_CONTROLLER == TFT_CONTROLLER_ILI9488
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.max_transfer_sz = DISP_BUF_SIZE * 3,
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#elif CONFIG_LVGL_TFT_DISPLAY_CONTROLLER == TFT_CONTROLLER_HX8357
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.max_transfer_sz = DISP_BUF_SIZE * 2
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#endif
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};
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esp_err_t ret = spi_bus_initialize(TFT_SPI_HOST, &buscfg, 1);
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assert(ret == ESP_OK);
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/* SPI Devices */
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disp_spi_add_device(TFT_SPI_HOST);
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tp_spi_add_device(TOUCH_SPI_HOST);
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}
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#endif // SHARED_SPI_BUS
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