186 lines
4.6 KiB
C
186 lines
4.6 KiB
C
/**
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* @file lvgl_helpers.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_helpers.h"
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#include "esp_log.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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#include "lvgl_spi_conf.h"
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#include "lvgl_i2c/i2c_manager.h"
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#ifdef LV_LVGL_H_INCLUDE_SIMPLE
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#include "lvgl.h"
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#else
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#include "lvgl/lvgl.h"
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#endif
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/*********************
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* DEFINES
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*********************/
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#define TAG "lvgl_helpers"
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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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/**********************
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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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/* Interface and driver initialization */
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void lvgl_driver_init(void)
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{
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/* Since LVGL v8 LV_HOR_RES_MAX and LV_VER_RES_MAX are not defined, so
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* print it only if they are defined. */
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#if (LVGL_VERSION_MAJOR < 8)
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ESP_LOGI(TAG, "Display hor size: %d, ver size: %d", LV_HOR_RES_MAX, LV_VER_RES_MAX);
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#endif
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ESP_LOGI(TAG, "Display buffer size: %d", DISP_BUF_SIZE);
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#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)
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ESP_LOGI(TAG, "Initializing SPI master for FT81X");
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lvgl_spi_driver_init(TFT_SPI_HOST,
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DISP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
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SPI_BUS_MAX_TRANSFER_SZ, 1,
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DISP_SPI_IO2, DISP_SPI_IO3);
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disp_spi_add_device(TFT_SPI_HOST);
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disp_driver_init();
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#if defined (CONFIG_LV_TOUCH_CONTROLLER_FT81X)
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touch_driver_init();
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#endif
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return;
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#endif
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#if defined (SHARED_SPI_BUS)
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ESP_LOGI(TAG, "Initializing shared SPI master");
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lvgl_spi_driver_init(TFT_SPI_HOST,
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TP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
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SPI_BUS_MAX_TRANSFER_SZ, 1,
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-1, -1);
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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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disp_driver_init();
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touch_driver_init();
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return;
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#endif
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/* Display controller initialization */
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#if defined CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI
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ESP_LOGI(TAG, "Initializing SPI master for display");
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lvgl_spi_driver_init(TFT_SPI_HOST,
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DISP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
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SPI_BUS_MAX_TRANSFER_SZ, 1,
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DISP_SPI_IO2, DISP_SPI_IO3);
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disp_spi_add_device(TFT_SPI_HOST);
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disp_driver_init();
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#elif defined (CONFIG_LV_I2C_DISPLAY)
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disp_driver_init();
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#else
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#error "No protocol defined for display controller"
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#endif
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/* Touch controller initialization */
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#if CONFIG_LV_TOUCH_CONTROLLER != TOUCH_CONTROLLER_NONE
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#if defined (CONFIG_LV_TOUCH_DRIVER_PROTOCOL_SPI)
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ESP_LOGI(TAG, "Initializing SPI master for touch");
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lvgl_spi_driver_init(TOUCH_SPI_HOST,
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TP_SPI_MISO, TP_SPI_MOSI, TP_SPI_CLK,
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0 /* Defaults to 4094 */, 2,
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-1, -1);
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tp_spi_add_device(TOUCH_SPI_HOST);
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touch_driver_init();
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#elif defined (CONFIG_LV_I2C_TOUCH)
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touch_driver_init();
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#elif defined (CONFIG_LV_TOUCH_DRIVER_ADC)
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touch_driver_init();
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#elif defined (CONFIG_LV_TOUCH_DRIVER_DISPLAY)
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touch_driver_init();
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#else
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#error "No protocol defined for touch controller"
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#endif
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#else
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#endif
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}
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/* Initialize spi bus master
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*
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* NOTE: dma_chan type and value changed to int instead of spi_dma_chan_t
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* for backwards compatibility with ESP-IDF versions prior v4.3.
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*
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* We could use the ESP_IDF_VERSION_VAL macro available in the "esp_idf_version.h"
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* header available since ESP-IDF v4.
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*/
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bool lvgl_spi_driver_init(int host,
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int miso_pin, int mosi_pin, int sclk_pin,
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int max_transfer_sz,
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int dma_channel,
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int quadwp_pin, int quadhd_pin)
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{
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assert((0 <= host) && (3 > host));
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const char *spi_names[] = {
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"SPI1_HOST", "SPI2_HOST", "SPI3_HOST"
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};
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ESP_LOGI(TAG, "Configuring SPI host %s", spi_names[host]);
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ESP_LOGI(TAG, "MISO pin: %d, MOSI pin: %d, SCLK pin: %d, IO2/WP pin: %d, IO3/HD pin: %d",
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miso_pin, mosi_pin, sclk_pin, quadwp_pin, quadhd_pin);
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ESP_LOGI(TAG, "Max transfer size: %d (bytes)", max_transfer_sz);
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spi_bus_config_t buscfg = {
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.miso_io_num = miso_pin,
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.mosi_io_num = mosi_pin,
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.sclk_io_num = sclk_pin,
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.quadwp_io_num = quadwp_pin,
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.quadhd_io_num = quadhd_pin,
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.max_transfer_sz = max_transfer_sz
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};
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ESP_LOGI(TAG, "Initializing SPI bus...");
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#if defined (CONFIG_IDF_TARGET_ESP32C3)
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dma_channel = SPI_DMA_CH_AUTO;
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#endif
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esp_err_t ret = spi_bus_initialize(host, &buscfg, (spi_dma_chan_t)dma_channel);
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assert(ret == ESP_OK);
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return ESP_OK != ret;
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}
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