/** * @file lvgl_spi_conf.h * */ #ifndef LVGL_SPI_CONF_H #define LVGL_SPI_CONF_H #include #ifdef __cplusplus extern "C" { #endif /********************* * INCLUDES *********************/ /********************* * DEFINES *********************/ // DISPLAY PINS /* Mandatory pins are MOSI and CLK */ #define DISP_SPI_MOSI CONFIG_LV_DISP_SPI_MOSI #define DISP_SPI_CLK CONFIG_LV_DISP_SPI_CLK /* Optional pins */ #if defined (CONFIG_LV_DISPLAY_USE_SPI_MISO) #define DISP_SPI_MISO CONFIG_LV_DISP_SPI_MISO #define DISP_SPI_INPUT_DELAY_NS CONFIG_LV_DISP_SPI_INPUT_DELAY_NS #else #define DISP_SPI_MISO (-1) #define DISP_SPI_INPUT_DELAY_NS (0U) #endif #if defined(CONFIG_LV_DISP_SPI_IO2) #define DISP_SPI_IO2 CONFIG_LV_DISP_SPI_IO2 #else #define DISP_SPI_IO2 (-1) #endif #if defined(CONFIG_LV_DISP_SPI_IO3) #define DISP_SPI_IO3 CONFIG_LV_DISP_SPI_IO3 #else #define DISP_SPI_IO3 (-1) #endif #if defined (CONFIG_LV_DISPLAY_USE_SPI_CS) #define DISP_SPI_CS CONFIG_LV_DISP_SPI_CS #else #define DISP_SPI_CS (-1) #endif /* Define TOUCHPAD PINS when selecting a touch controller */ #if !defined (CONFIG_LV_TOUCH_CONTROLLER_NONE) /* Handle FT81X special case */ #if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X) && \ defined (CONFIG_LV_TOUCH_CONTROLLER_FT81X) #define SHARED_SPI_BUS #define TP_SPI_MOSI CONFIG_LV_DISP_SPI_MOSI #define TP_SPI_MISO CONFIG_LV_DISP_SPI_MISO #define TP_SPI_CLK CONFIG_LV_DISP_SPI_CLK #define TP_SPI_CS CONFIG_LV_DISP_SPI_CS #else #define TP_SPI_MOSI CONFIG_LV_TOUCH_SPI_MOSI #define TP_SPI_MISO CONFIG_LV_TOUCH_SPI_MISO #define TP_SPI_CLK CONFIG_LV_TOUCH_SPI_CLK #define TP_SPI_CS CONFIG_LV_TOUCH_SPI_CS #endif #endif #define ENABLE_TOUCH_INPUT CONFIG_LV_ENABLE_TOUCH #if defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI) /* Display controller SPI host configuration */ #if defined (CONFIG_LV_TFT_DISPLAY_SPI2_HOST) #define TFT_SPI_HOST SPI2_HOST #elif defined (CONFIG_LV_TFT_DISPLAY_SPI3_HOST) #define TFT_SPI_HOST SPI3_HOST #else #error SPI host not defined #endif #endif /* Touch controller SPI host configuration */ #if defined (CONFIG_LV_TOUCH_CONTROLLER_SPI2_HOST) #define TOUCH_SPI_HOST SPI2_HOST #elif defined (CONFIG_LV_TOUCH_CONTROLLER_SPI3_HOST) #define TOUCH_SPI_HOST SPI3_HOST #endif #if defined (CONFIG_LV_TFT_DISPLAY_SPI_HALF_DUPLEX) #define DISP_SPI_HALF_DUPLEX #else #define DISP_SPI_FULL_DUPLEX #endif #if defined (CONFIG_LV_TFT_DISPLAY_SPI_TRANS_MODE_DIO) #define DISP_SPI_TRANS_MODE_DIO #elif defined (CONFIG_LV_TFT_DISPLAY_SPI_TRANS_MODE_QIO) #define DISP_SPI_TRANS_MODE_QIO #else #define DISP_SPI_TRANS_MODE_SIO #endif /* Detect usage of shared SPI bus between display and indev controllers * * If the user sets the same MOSI and CLK pins for both display and indev * controllers then we can assume the user is using the same SPI bus * If so verify the user specified the same SPI bus for both */ #if !defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X) #if defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI) && \ (CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI == 1) && \ defined (CONFIG_LV_TOUCH_DRIVER_PROTOCOL_SPI) && \ (TP_SPI_MOSI == DISP_SPI_MOSI) && (TP_SPI_CLK == DISP_SPI_CLK) #if TFT_SPI_HOST != TOUCH_SPI_HOST #error You must specify the same SPI host (SPIx_HOST) for both display and touch driver #else #define SHARED_SPI_BUS #endif #endif #endif /********************** * TYPEDEFS **********************/ #if defined (CONFIG_LV_TFT_USE_CUSTOM_SPI_CLK_DIVIDER) #define SPI_TFT_CLOCK_SPEED_HZ ((80 * 1000 * 1000) / CONFIG_LV_TFT_CUSTOM_SPI_CLK_DIVIDER) #else #if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789) #define SPI_TFT_CLOCK_SPEED_HZ (20*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7735S) #define SPI_TFT_CLOCK_SPEED_HZ (40*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357) #define SPI_TFT_CLOCK_SPEED_HZ (26*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107) #define SPI_TFT_CLOCK_SPEED_HZ (8*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9481) #define SPI_TFT_CLOCK_SPEED_HZ (16*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9486) #define SPI_TFT_CLOCK_SPEED_HZ (20*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9488) #define SPI_TFT_CLOCK_SPEED_HZ (40*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9341) #define SPI_TFT_CLOCK_SPEED_HZ (40*1000*1000) #elif defined(CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9163C) #define SPI_TFT_CLOCK_SPEED_HZ (40*1000*1000) #elif defined(CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X) #define SPI_TFT_CLOCK_SPEED_HZ (32*1000*1000) #elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_PCD8544) #define SPI_TFT_CLOCK_SPEED_HZ (4*1000*1000) #else #define SPI_TFT_CLOCK_SPEED_HZ (40*1000*1000) #endif #endif /* CONFIG_LV_TFT_USE_CUSTOM_SPI_CLK_DIVIDER */ #if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789) #define SPI_TFT_SPI_MODE (2U) #else #define SPI_TFT_SPI_MODE (0U) #endif /* Touch driver */ #if (CONFIG_LV_TOUCH_CONTROLLER == TOUCH_CONTROLLER_STMPE610) #define SPI_TOUCH_CLOCK_SPEED_HZ (1*1000*1000) #define SPI_TOUCH_SPI_MODE (1U) #else #define SPI_TOUCH_CLOCK_SPEED_HZ (2*1000*1000) #define SPI_TOUCH_SPI_MODE (0U) #endif /********************** * GLOBAL PROTOTYPES **********************/ /********************** * MACROS **********************/ #ifdef __cplusplus } /* extern "C" */ #endif #endif /*LVGL_SPI_CONF_H*/