/** * @file lv_hal.h * */ #ifndef LV_HAL_H #define LV_HAL_H #ifdef __cplusplus extern "C" { #endif /********************* * INCLUDES *********************/ #include "lv_hal_disp.h" #include "lv_hal_indev.h" #include "lv_hal_tick.h" /********************* * DEFINES *********************/ /** * Same as Android's DIP. (Different name is chosen to avoid mistype between LV_DPI and LV_DIP) * 1 dip is 1 px on a 160 DPI screen * 1 dip is 2 px on a 320 DPI screen * https://stackoverflow.com/questions/2025282/what-is-the-difference-between-px-dip-dp-and-sp */ #define _LV_DPX_CALC(dpi, n) ((n) == 0 ? 0 :LV_MAX((( (dpi) * (n) + 80) / 160), 1)) /*+80 for rounding*/ #define LV_DPX(n) _LV_DPX_CALC(lv_disp_get_dpi(NULL), n) /********************** * TYPEDEFS **********************/ /********************** * GLOBAL PROTOTYPES **********************/ /********************** * MACROS **********************/ #ifdef __cplusplus } /*extern "C"*/ #endif #endif