diff options
Diffstat (limited to 'src/gdisp/driver.h')
| -rw-r--r-- | src/gdisp/driver.h | 795 |
1 files changed, 424 insertions, 371 deletions
diff --git a/src/gdisp/driver.h b/src/gdisp/driver.h index f45b3f87..82435589 100644 --- a/src/gdisp/driver.h +++ b/src/gdisp/driver.h @@ -16,17 +16,19 @@ #ifndef _GDISP_LLD_H #define _GDISP_LLD_H -#if GFX_USE_GDISP // || defined(__DOXYGEN__) +#if GFX_USE_GDISP -/*===========================================================================*/ -/* Error checks. */ -/*===========================================================================*/ +// Include the GDRIVER infrastructure +#include "src/gdriver/sys_defs.h" + +// Our special auto-detect hardware code which uses the VMT. +#define HARDWARE_AUTODETECT 2 #if GDISP_TOTAL_CONTROLLERS > 1 && !defined(GDISP_DRIVER_VMT) - #define HARDWARE_AUTODETECT 2 + // Multiple controllers the default is to hardware detect #define HARDWARE_DEFAULT HARDWARE_AUTODETECT #else - #define HARDWARE_AUTODETECT 2 + // The default is to call the routines directly #define HARDWARE_DEFAULT FALSE #endif @@ -182,13 +184,47 @@ /* External declarations. */ /*===========================================================================*/ -struct GDisplay { - // The public GDISP stuff - must be the first element - GDISPControl g; +/* Verify information for packed pixels and define a non-packed pixel macro */ +#if !GDISP_PACKED_PIXELS + #define gdispPackPixels(buf,cx,x,y,c) { ((color_t *)(buf))[(y)*(cx)+(x)] = (c); } +#elif !GDISP_HARDWARE_BITFILLS + #error "GDISP: packed pixel formats are only supported for hardware accelerated drivers." +#elif GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB888 \ + && GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB444 \ + && GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB666 \ + && GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_CUSTOM + #error "GDISP: A packed pixel format has been specified for an unsupported pixel format." +#endif - #if GDISP_TOTAL_CONTROLLERS > 1 - const struct GDISPVMT const * vmt; // The Virtual Method Table - #endif +/* Support routine for packed pixel formats */ +#if !defined(gdispPackPixels) || defined(__DOXYGEN__) + /** + * @brief Pack a pixel into a pixel buffer. + * @note This function performs no buffer boundary checking + * regardless of whether GDISP_NEED_CLIP has been specified. + * + * @param[in] buf The buffer to put the pixel in + * @param[in] cx The width of a pixel line + * @param[in] x, y The location of the pixel to place + * @param[in] color The color to put into the buffer + * + * @api + */ + void gdispPackPixels(const pixel_t *buf, coord_t cx, coord_t x, coord_t y, color_t color); +#endif + +struct GDisplay { + struct GDriver d; // This must be the first element + #define gvmt(g) ((const GDISPVMT const *)(g)->d.vmt) // For ease of access to the vmt member + + struct GDISPControl { + coord_t Width; + coord_t Height; + orientation_t Orientation; + powermode_t Powermode; + uint8_t Backlight; + uint8_t Contrast; + } g; void * priv; // A private area just for the drivers use. void * board; // A private area just for the board interfaces use. @@ -237,24 +273,47 @@ struct GDisplay { // A pixel line buffer color_t linebuf[GDISP_LINEBUF_SIZE]; #endif - }; -#if GDISP_TOTAL_CONTROLLERS == 1 || defined(GDISP_DRIVER_VMT) || defined(__DOXYGEN__) - #if GDISP_TOTAL_CONTROLLERS > 1 - #define LLDSPEC static - #else - #define LLDSPEC - #endif - +typedef struct GDISPVMT { + GDriverVMT vmtdriver; + bool_t (*init)(GDisplay *g); + void (*writestart)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy + void (*writepos)(GDisplay *g); // Uses p.x,p.y + void (*writecolor)(GDisplay *g); // Uses p.color + void (*writestop)(GDisplay *g); // Uses no parameters + void (*readstart)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy + color_t (*readcolor)(GDisplay *g); // Uses no parameters + void (*readstop)(GDisplay *g); // Uses no parameters + void (*pixel)(GDisplay *g); // Uses p.x,p.y p.color + void (*clear)(GDisplay *g); // Uses p.color + void (*fill)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy p.color + void (*blit)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy p.x1,p.y1 (=srcx,srcy) p.x2 (=srccx), p.ptr (=buffer) + color_t (*get)(GDisplay *g); // Uses p.x,p.y + void (*vscroll)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy, p.y1 (=lines) p.color + void (*control)(GDisplay *g); // Uses p.x (=what) p.ptr (=value) + void *(*query)(GDisplay *g); // Uses p.x (=what); + void (*setclip)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy + void (*flush)(GDisplay *g); // Uses no parameters +} GDISPVMT; + +// Do we need function definitions or macro's (via the VMT) +#if GDISP_TOTAL_CONTROLLERS <= 1 || defined(GDISP_DRIVER_VMT) || defined(__DOXYGEN__) #ifdef __cplusplus extern "C" { #endif + // Should the driver routines should be static or not + #if GDISP_TOTAL_CONTROLLERS <= 1 + #define LLDSPEC + #else + #define LLDSPEC static + #endif + /** * @brief Initialize the driver. * @return TRUE if successful. - * @param[in] g The driver structure + * @param[in] g The driver structure * @param[out] g->g The driver must fill in the GDISPControl structure */ LLDSPEC bool_t gdisp_lld_init(GDisplay *g); @@ -497,374 +556,368 @@ struct GDisplay { #ifdef __cplusplus } #endif -#endif // GDISP_TOTAL_CONTROLLERS == 1 || defined(GDISP_DRIVER_VMT) - - -#if GDISP_TOTAL_CONTROLLERS > 1 - - typedef struct GDISPVMT { - bool_t (*init)(GDisplay *g); - void (*writestart)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy - void (*writepos)(GDisplay *g); // Uses p.x,p.y - void (*writecolor)(GDisplay *g); // Uses p.color - void (*writestop)(GDisplay *g); // Uses no parameters - void (*readstart)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy - color_t (*readcolor)(GDisplay *g); // Uses no parameters - void (*readstop)(GDisplay *g); // Uses no parameters - void (*pixel)(GDisplay *g); // Uses p.x,p.y p.color - void (*clear)(GDisplay *g); // Uses p.color - void (*fill)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy p.color - void (*blit)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy p.x1,p.y1 (=srcx,srcy) p.x2 (=srccx), p.ptr (=buffer) - color_t (*get)(GDisplay *g); // Uses p.x,p.y - void (*vscroll)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy, p.y1 (=lines) p.color - void (*control)(GDisplay *g); // Uses p.x (=what) p.ptr (=value) - void *(*query)(GDisplay *g); // Uses p.x (=what); - void (*setclip)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy - void (*flush)(GDisplay *g); // Uses no parameters - } GDISPVMT; - - #if defined(GDISP_DRIVER_VMT) - #if !GDISP_HARDWARE_STREAM_WRITE && !GDISP_HARDWARE_DRAWPIXEL - #error "GDISP Driver: Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be TRUE" - #endif - const GDISPVMT const GDISP_DRIVER_VMT[1] = {{ - gdisp_lld_init, - #if GDISP_HARDWARE_FLUSH - gdisp_lld_flush, - #else - 0, - #endif - #if GDISP_HARDWARE_STREAM_WRITE - gdisp_lld_write_start, - #if GDISP_HARDWARE_STREAM_POS - gdisp_lld_write_pos, - #else - 0, - #endif - gdisp_lld_write_color, - gdisp_lld_write_stop, - #else - 0, 0, 0, 0, - #endif - #if GDISP_HARDWARE_STREAM_READ - gdisp_lld_read_start, - gdisp_lld_read_color, - gdisp_lld_read_stop, - #else - 0, 0, 0, - #endif - #if GDISP_HARDWARE_DRAWPIXEL - gdisp_lld_draw_pixel, - #else - 0, - #endif - #if GDISP_HARDWARE_CLEARS - gdisp_lld_clear, - #else - 0, - #endif - #if GDISP_HARDWARE_FILLS - gdisp_lld_fill_area, - #else - 0, - #endif - #if GDISP_HARDWARE_BITFILLS - gdisp_lld_blit_area, - #else - 0, - #endif - #if GDISP_HARDWARE_PIXELREAD - gdisp_lld_get_pixel_color, - #else - 0, - #endif - #if GDISP_HARDWARE_SCROLL && GDISP_NEED_SCROLL - gdisp_lld_vertical_scroll, - #else - 0, - #endif - #if GDISP_HARDWARE_CONTROL && GDISP_NEED_CONTROL - gdisp_lld_control, - #else - 0, - #endif - #if GDISP_HARDWARE_QUERY && GDISP_NEED_QUERY - gdisp_lld_query, - #else - 0, - #endif - #if GDISP_HARDWARE_CLIP && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION) - gdisp_lld_set_clip, - #else - 0, - #endif - }}; - #else - #define gdisp_lld_init(g) g->vmt->init(g) - #define gdisp_lld_flush(g) g->vmt->flush(g) - #define gdisp_lld_write_start(g) g->vmt->writestart(g) - #define gdisp_lld_write_pos(g) g->vmt->writepos(g) - #define gdisp_lld_write_color(g) g->vmt->writecolor(g) - #define gdisp_lld_write_stop(g) g->vmt->writestop(g) - #define gdisp_lld_read_start(g) g->vmt->readstart(g) - #define gdisp_lld_read_color(g) g->vmt->readcolor(g) - #define gdisp_lld_read_stop(g) g->vmt->readstop(g) - #define gdisp_lld_draw_pixel(g) g->vmt->pixel(g) - #define gdisp_lld_clear(g) g->vmt->clear(g) - #define gdisp_lld_fill_area(g) g->vmt->fill(g) - #define gdisp_lld_blit_area(g) g->vmt->blit(g) - #define gdisp_lld_get_pixel_color(g) g->vmt->get(g) - #define gdisp_lld_vertical_scroll(g) g->vmt->vscroll(g) - #define gdisp_lld_control(g) g->vmt->control(g) - #define gdisp_lld_query(g) g->vmt->query(g) - #define gdisp_lld_set_clip(g) g->vmt->setclip(g) - #endif // GDISP_LLD_DECLARATIONS - -#endif // GDISP_TOTAL_CONTROLLERS > 1 - -/* Verify information for packed pixels and define a non-packed pixel macro */ -#if !GDISP_PACKED_PIXELS - #define gdispPackPixels(buf,cx,x,y,c) { ((color_t *)(buf))[(y)*(cx)+(x)] = (c); } -#elif !GDISP_HARDWARE_BITFILLS - #error "GDISP: packed pixel formats are only supported for hardware accelerated drivers." -#elif GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB888 \ - && GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB444 \ - && GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB666 \ - && GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_CUSTOM - #error "GDISP: A packed pixel format has been specified for an unsupported pixel format." +#else + #define gdisp_lld_init(g) gvmt(g)->init(g) + #define gdisp_lld_flush(g) gvmt(g)->flush(g) + #define gdisp_lld_write_start(g) gvmt(g)->writestart(g) + #define gdisp_lld_write_pos(g) gvmt(g)->writepos(g) + #define gdisp_lld_write_color(g) gvmt(g)->writecolor(g) + #define gdisp_lld_write_stop(g) gvmt(g)->writestop(g) + #define gdisp_lld_read_start(g) gvmt(g)->readstart(g) + #define gdisp_lld_read_color(g) gvmt(g)->readcolor(g) + #define gdisp_lld_read_stop(g) gvmt(g)->readstop(g) + #define gdisp_lld_draw_pixel(g) gvmt(g)->pixel(g) + #define gdisp_lld_clear(g) gvmt(g)->clear(g) + #define gdisp_lld_fill_area(g) gvmt(g)->fill(g) + #define gdisp_lld_blit_area(g) gvmt(g)->blit(g) + #define gdisp_lld_get_pixel_color(g) gvmt(g)->get(g) + #define gdisp_lld_vertical_scroll(g) gvmt(g)->vscroll(g) + #define gdisp_lld_control(g) gvmt(g)->control(g) + #define gdisp_lld_query(g) gvmt(g)->query(g) + #define gdisp_lld_set_clip(g) gvmt(g)->setclip(g) #endif -/* Support routine for packed pixel formats */ -#if !defined(gdispPackPixels) || defined(__DOXYGEN__) - /** - * @brief Pack a pixel into a pixel buffer. - * @note This function performs no buffer boundary checking - * regardless of whether GDISP_NEED_CLIP has been specified. - * - * @param[in] buf The buffer to put the pixel in - * @param[in] cx The width of a pixel line - * @param[in] x, y The location of the pixel to place - * @param[in] color The color to put into the buffer - * - * @api - */ - void gdispPackPixels(const pixel_t *buf, coord_t cx, coord_t x, coord_t y, color_t color); -#endif +// If compiling the driver then build the VMT and set the low level driver color macros. +#ifdef GDISP_DRIVER_VMT -/* Low level driver pixel format information */ -//------------------------- -// True-Color color system -//------------------------- -#if GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_TRUECOLOR - #define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_TRUECOLOR - - // Calculate the number of bits - #define LLDCOLOR_BITS_R ((GDISP_LLD_PIXELFORMAT>>8) & 0x0F) - #define LLDCOLOR_BITS_G ((GDISP_LLD_PIXELFORMAT>>4) & 0x0F) - #define LLDCOLOR_BITS_B ((GDISP_LLD_PIXELFORMAT>>0) & 0x0F) - #define LLDCOLOR_BITS (LLDCOLOR_BITS_R + LLDCOLOR_BITS_G + LLDCOLOR_BITS_B) - - // From the number of bits determine COLOR_TYPE, COLOR_TYPE_BITS and masking - #if LLDCOLOR_BITS <= 8 - #define LLDCOLOR_TYPE uint8_t - #define LLDCOLOR_TYPE_BITS 8 - #elif LLDCOLOR_BITS <= 16 - #define LLDCOLOR_TYPE uint16_t - #define LLDCOLOR_TYPE_BITS 16 - #elif LLDCOLOR_BITS <= 32 - #define LLDCOLOR_TYPE uint32_t - #define LLDCOLOR_TYPE_BITS 32 - #else - #error "GDISP: Cannot define low level driver color types with more than 32 bits" + // Make sure the driver has a valid model + #if !GDISP_HARDWARE_STREAM_WRITE && !GDISP_HARDWARE_DRAWPIXEL + #error "GDISP Driver: Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be TRUE" #endif - #if LLDCOLOR_TYPE_BITS == LLDCOLOR_BITS - #define LLDCOLOR_NEEDS_MASK FALSE - #else - #define LLDCOLOR_NEEDS_MASK TRUE + + // If we are not using multiple displays then hard-code the VMT name + #ifndef GDISP_CONTROLLER_LIST + #undef GDISP_DRIVER_VMT + #define GDISP_DRIVER_VMT GDISPVMT_OnlyOne #endif - #define LLDCOLOR_MASK() ((1 << LLDCOLOR_BITS)-1) - // Calculate the component bit shifts - #if (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_RGB - #define LLDCOLOR_SHIFT_R (LLDCOLOR_BITS_B+LLDCOLOR_BITS_G) - #define LLDCOLOR_SHIFT_G LLDCOLOR_BITS_B - #define LLDCOLOR_SHIFT_B 0 - #else - #define LLDCOLOR_SHIFT_B (LLDCOLOR_BITS_R+LLDCOLOR_BITS_G) - #define LLDCOLOR_SHIFT_G LLDCOLOR_BITS_R + // Routines needed by the general driver VMT + bool_t _gdispInitDriver(GDriver *g, int driverinstance, int systeminstance); + void _gdispDeinitDriver(GDriver *g); + + // Build the VMT + const GDISPVMT const GDISP_DRIVER_VMT[1] = {{ + { GDRIVER_TYPE_DISPLAY, 0, sizeof(GDisplay), _gdispInitDriver, _gdispDeinitDriver }, + gdisp_lld_init, + #if GDISP_HARDWARE_STREAM_WRITE + gdisp_lld_write_start, + #if GDISP_HARDWARE_STREAM_POS + gdisp_lld_write_pos, + #else + 0, + #endif + gdisp_lld_write_color, + gdisp_lld_write_stop, + #else + 0, 0, 0, 0, + #endif + #if GDISP_HARDWARE_STREAM_READ + gdisp_lld_read_start, + gdisp_lld_read_color, + gdisp_lld_read_stop, + #else + 0, 0, 0, + #endif + #if GDISP_HARDWARE_DRAWPIXEL + gdisp_lld_draw_pixel, + #else + 0, + #endif + #if GDISP_HARDWARE_CLEARS + gdisp_lld_clear, + #else + 0, + #endif + #if GDISP_HARDWARE_FILLS + gdisp_lld_fill_area, + #else + 0, + #endif + #if GDISP_HARDWARE_BITFILLS + gdisp_lld_blit_area, + #else + 0, + #endif + #if GDISP_HARDWARE_PIXELREAD + gdisp_lld_get_pixel_color, + #else + 0, + #endif + #if GDISP_HARDWARE_SCROLL && GDISP_NEED_SCROLL + gdisp_lld_vertical_scroll, + #else + 0, + #endif + #if GDISP_HARDWARE_CONTROL && GDISP_NEED_CONTROL + gdisp_lld_control, + #else + 0, + #endif + #if GDISP_HARDWARE_QUERY && GDISP_NEED_QUERY + gdisp_lld_query, + #else + 0, + #endif + #if GDISP_HARDWARE_CLIP && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION) + gdisp_lld_set_clip, + #else + 0, + #endif + #if GDISP_HARDWARE_FLUSH + gdisp_lld_flush, + #else + 0, + #endif + }}; + + /* Low level driver pixel format information */ + //------------------------- + // True-Color color system + //------------------------- + #if GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_TRUECOLOR + #define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_TRUECOLOR + + // Calculate the number of bits + #define LLDCOLOR_BITS_R ((GDISP_LLD_PIXELFORMAT>>8) & 0x0F) + #define LLDCOLOR_BITS_G ((GDISP_LLD_PIXELFORMAT>>4) & 0x0F) + #define LLDCOLOR_BITS_B ((GDISP_LLD_PIXELFORMAT>>0) & 0x0F) + #define LLDCOLOR_BITS (LLDCOLOR_BITS_R + LLDCOLOR_BITS_G + LLDCOLOR_BITS_B) + + // From the number of bits determine COLOR_TYPE, COLOR_TYPE_BITS and masking + #if LLDCOLOR_BITS <= 8 + #define LLDCOLOR_TYPE uint8_t + #define LLDCOLOR_TYPE_BITS 8 + #elif LLDCOLOR_BITS <= 16 + #define LLDCOLOR_TYPE uint16_t + #define LLDCOLOR_TYPE_BITS 16 + #elif LLDCOLOR_BITS <= 32 + #define LLDCOLOR_TYPE uint32_t + #define LLDCOLOR_TYPE_BITS 32 + #else + #error "GDISP: Cannot define low level driver color types with more than 32 bits" + #endif + #if LLDCOLOR_TYPE_BITS == LLDCOLOR_BITS + #define LLDCOLOR_NEEDS_MASK FALSE + #else + #define LLDCOLOR_NEEDS_MASK TRUE + #endif + #define LLDCOLOR_MASK() ((1 << LLDCOLOR_BITS)-1) + + // Calculate the component bit shifts + #if (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_RGB + #define LLDCOLOR_SHIFT_R (LLDCOLOR_BITS_B+LLDCOLOR_BITS_G) + #define LLDCOLOR_SHIFT_G LLDCOLOR_BITS_B + #define LLDCOLOR_SHIFT_B 0 + #else + #define LLDCOLOR_SHIFT_B (LLDCOLOR_BITS_R+LLDCOLOR_BITS_G) + #define LLDCOLOR_SHIFT_G LLDCOLOR_BITS_R + #define LLDCOLOR_SHIFT_R 0 + #endif + + // Calculate LLDRED_OF, LLDGREEN_OF, LLDBLUE_OF and LLDRGB2COLOR + #if LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R == 8 + #define LLDRED_OF(c) ((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) + #define LLDRGB2COLOR_R(r) ((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) + #elif LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R > 8 + #define LLDRED_OF(c) (((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) >> (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-8)) + #define LLDRGB2COLOR_R(r) (((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) << (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-8)) + #else // LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R < 8 + #define LLDRED_OF(c) (((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) << (8-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R))) + #define LLDRGB2COLOR_R(r) (((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) >> (8-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R))) + #endif + #if LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G == 8 + #define LLDGREEN_OF(c) ((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) + #define LLDRGB2COLOR_G(g) ((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) + #elif LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G > 8 + #define LLDGREEN_OF(c) (((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) >> (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-8)) + #define LLDRGB2COLOR_G(g) (((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) << (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-8)) + #else // LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G < 8 + #define LLDGREEN_OF(c) (((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) << (8-(LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G))) + #define LLDRGB2COLOR_G(g) (((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) >> (8-(LLDCOLOR_BITS_LLDG+COLOR_SHIFT_G))) + #endif + #if LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B == 8 + #define LLDBLUE_OF(c) ((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) + #define LLDRGB2COLOR_B(b) ((LLDCOLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) + #elif LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B > 8 + #define LLDBLUE_OF(c) (((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) >> (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8)) + #define LLDRGB2COLOR_B(b) (((LLDCOLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) << (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8)) + #else // LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B < 8 + #define LLDBLUE_OF(c) (((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) << (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B))) + #define LLDRGB2COLOR_B(b) (((COLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) >> (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B))) + #endif + #define LLDLUMA_OF(c) ((LLDRED_OF(c)+((uint16_t)LLDGREEN_OF(c)<<1)+LLDBLUE_OF(c))>>2) + #define LLDEXACT_RED_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_R)&((1<<LLDCOLOR_BITS_R)-1))*255)/((1<<LLDCOLOR_BITS_R)-1)) + #define LLDEXACT_GREEN_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_G)&((1<<LLDCOLOR_BITS_G)-1))*255)/((1<<LLDCOLOR_BITS_G)-1)) + #define LLDEXACT_BLUE_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_B)&((1<<LLDCOLOR_BITS_B)-1))*255)/((1<<LLDCOLOR_BITS_B)-1)) + #define LLDEXACT_LUMA_OF(c) ((LLDEXACT_RED_OF(c)+((uint16_t)LLDEXACT_GREEN_OF(c)<<1)+LLDEXACT_BLUE_OF(c))>>2) + #define LLDLUMA2COLOR(l) (LLDRGB2COLOR_R(l) | LLDRGB2COLOR_G(l) | LLDRGB2COLOR_B(l)) + #define LLDRGB2COLOR(r,g,b) (LLDRGB2COLOR_R(r) | LLDRGB2COLOR_G(g) | LLDRGB2COLOR_B(b)) + + // Calculate LLDHTML2COLOR + #if LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R == 24 + #define LLDHTML2COLOR_R(h) ((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) + #elif COLOR_BITS_R + COLOR_SHIFT_R > 24 + #define LLDHTML2COLOR_R(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) << (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-24)) + #else // COLOR_BITS_R + COLOR_SHIFT_R < 24 + #define LLDHTML2COLOR_R(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) >> (24-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R))) + #endif + #if LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G == 16 + #define LLDHTML2COLOR_G(h) ((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) + #elif LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G > 16 + #define LLDHTML2COLOR_G(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) << (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-16)) + #else // LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G < 16 + #define LLDHTML2COLOR_G(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) >> (16-(LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G))) + #endif + #if LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B == 8 + #define LLDHTML2COLOR_B(h) ((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) + #elif LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B > 8 + #define LLDHTML2COLOR_B(h) (((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) << (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8)) + #else // LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B < 8 + #define LLDHTML2COLOR_B(h) (((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) >> (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B))) + #endif + #define LLDHTML2COLOR(h) ((LLDCOLOR_TYPE)(LLDHTML2COLOR_R(h) | LLDHTML2COLOR_G(h) | LLDHTML2COLOR_B(h))) + + //------------------------- + // Gray-scale color system + //------------------------- + #elif (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_GRAYSCALE + #define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_GRAYSCALE + + // Calculate the number of bits and shifts + #define LLDCOLOR_BITS (GDISP_LLD_PIXELFORMAT & 0xFF) + #define LLDCOLOR_BITS_R LLDCOLOR_BITS + #define LLDCOLOR_BITS_G LLDCOLOR_BITS + #define LLDCOLOR_BITS_B LLDCOLOR_BITS #define LLDCOLOR_SHIFT_R 0 - #endif + #define LLDCOLOR_SHIFT_G 0 + #define LLDCOLOR_SHIFT_B 0 - // Calculate LLDRED_OF, LLDGREEN_OF, LLDBLUE_OF and LLDRGB2COLOR - #if LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R == 8 - #define LLDRED_OF(c) ((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) - #define LLDRGB2COLOR_R(r) ((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) - #elif LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R > 8 - #define LLDRED_OF(c) (((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) >> (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-8)) - #define LLDRGB2COLOR_R(r) (((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) << (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-8)) - #else // LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R < 8 - #define LLDRED_OF(c) (((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) << (8-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R))) - #define LLDRGB2COLOR_R(r) (((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) >> (8-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R))) - #endif - #if LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G == 8 - #define LLDGREEN_OF(c) ((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) - #define LLDRGB2COLOR_G(g) ((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) - #elif LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G > 8 - #define LLDGREEN_OF(c) (((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) >> (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-8)) - #define LLDRGB2COLOR_G(g) (((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) << (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-8)) - #else // LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G < 8 - #define LLDGREEN_OF(c) (((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) << (8-(LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G))) - #define LLDRGB2COLOR_G(g) (((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) >> (8-(LLDCOLOR_BITS_LLDG+COLOR_SHIFT_G))) - #endif - #if LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B == 8 - #define LLDBLUE_OF(c) ((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) - #define LLDRGB2COLOR_B(b) ((LLDCOLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) - #elif LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B > 8 - #define LLDBLUE_OF(c) (((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) >> (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8)) - #define LLDRGB2COLOR_B(b) (((LLDCOLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) << (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8)) - #else // LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B < 8 - #define LLDBLUE_OF(c) (((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) << (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B))) - #define LLDRGB2COLOR_B(b) (((COLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) >> (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B))) - #endif - #define LLDLUMA_OF(c) ((LLDRED_OF(c)+((uint16_t)LLDGREEN_OF(c)<<1)+LLDBLUE_OF(c))>>2) - #define LLDEXACT_RED_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_R)&((1<<LLDCOLOR_BITS_R)-1))*255)/((1<<LLDCOLOR_BITS_R)-1)) - #define LLDEXACT_GREEN_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_G)&((1<<LLDCOLOR_BITS_G)-1))*255)/((1<<LLDCOLOR_BITS_G)-1)) - #define LLDEXACT_BLUE_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_B)&((1<<LLDCOLOR_BITS_B)-1))*255)/((1<<LLDCOLOR_BITS_B)-1)) - #define LLDEXACT_LUMA_OF(c) ((LLDEXACT_RED_OF(c)+((uint16_t)LLDEXACT_GREEN_OF(c)<<1)+LLDEXACT_BLUE_OF(c))>>2) - #define LLDLUMA2COLOR(l) (LLDRGB2COLOR_R(l) | LLDRGB2COLOR_G(l) | LLDRGB2COLOR_B(l)) - #define LLDRGB2COLOR(r,g,b) (LLDRGB2COLOR_R(r) | LLDRGB2COLOR_G(g) | LLDRGB2COLOR_B(b)) - - // Calculate LLDHTML2COLOR - #if LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R == 24 - #define LLDHTML2COLOR_R(h) ((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) - #elif COLOR_BITS_R + COLOR_SHIFT_R > 24 - #define LLDHTML2COLOR_R(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) << (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-24)) - #else // COLOR_BITS_R + COLOR_SHIFT_R < 24 - #define LLDHTML2COLOR_R(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) >> (24-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R))) - #endif - #if LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G == 16 - #define LLDHTML2COLOR_G(h) ((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) - #elif LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G > 16 - #define LLDHTML2COLOR_G(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) << (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-16)) - #else // LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G < 16 - #define LLDHTML2COLOR_G(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) >> (16-(LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G))) - #endif - #if LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B == 8 - #define LLDHTML2COLOR_B(h) ((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) - #elif LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B > 8 - #define LLDHTML2COLOR_B(h) (((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) << (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8)) - #else // LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B < 8 - #define LLDHTML2COLOR_B(h) (((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) >> (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B))) - #endif - #define LLDHTML2COLOR(h) ((LLDCOLOR_TYPE)(LLDHTML2COLOR_R(h) | LLDHTML2COLOR_G(h) | LLDHTML2COLOR_B(h))) - -//------------------------- -// Gray-scale color system -//------------------------- -#elif (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_GRAYSCALE - #define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_GRAYSCALE - - // Calculate the number of bits and shifts - #define LLDCOLOR_BITS (GDISP_LLD_PIXELFORMAT & 0xFF) - #define LLDCOLOR_BITS_R LLDCOLOR_BITS - #define LLDCOLOR_BITS_G LLDCOLOR_BITS - #define LLDCOLOR_BITS_B LLDCOLOR_BITS - #define LLDCOLOR_SHIFT_R 0 - #define LLDCOLOR_SHIFT_G 0 - #define LLDCOLOR_SHIFT_B 0 - - // From the number of bits determine COLOR_TYPE, COLOR_TYPE_BITS and masking - #if LLDCOLOR_BITS <= 8 - #define LLDCOLOR_TYPE uint8_t - #define LLDCOLOR_TYPE_BITS 8 - #else - #error "GDISP: Cannot define gray-scale low level driver color types with more than 8 bits" - #endif - #if LLDCOLOR_TYPE_BITS == LLDCOLOR_BITS - #define LLDCOLOR_NEEDS_MASK FALSE + // From the number of bits determine COLOR_TYPE, COLOR_TYPE_BITS and masking + #if LLDCOLOR_BITS <= 8 + #define LLDCOLOR_TYPE uint8_t + #define LLDCOLOR_TYPE_BITS 8 + #else + #error "GDISP: Cannot define gray-scale low level driver color types with more than 8 bits" + #endif + #if LLDCOLOR_TYPE_BITS == LLDCOLOR_BITS + #define LLDCOLOR_NEEDS_MASK FALSE + #else + #define LLDCOLOR_NEEDS_MASK TRUE + #endif + #define LLDCOLOR_MASK() ((1 << LLDCOLOR_BITS)-1) + + #if COLOR_BITS == 1 + #define LLDRGB2COLOR(r,g,b) (((r)|(g)|(b)) ? 1 : 0) + #define LLDLUMA2COLOR(l) ((l) ? 1 : 0) + #define LLDHTML2COLOR(h) ((h) ? 1 : 0) + #define LLDLUMA_OF(c) ((c) ? 255 : 0) + #define LLDEXACT_LUMA_OF(c) LLDLUMA_OF(c) + #else + // They eye is more sensitive to green + #define LLDRGB2COLOR(r,g,b) ((LLDCOLOR_TYPE)(((uint16_t)(r)+(g)+(g)+(b)) >> (10-LLDCOLOR_BITS))) + #define LLDLUMA2COLOR(l) ((LLDCOLOR_TYPE)((l)>>(8-LLDCOLOR_BITS))) + #define LLDHTML2COLOR(h) ((LLDCOLOR_TYPE)(((((h)&0xFF0000)>>16)+(((h)&0x00FF00)>>7)+((h)&0x0000FF)) >> (10-LLDCOLOR_BITS))) + #define LLDLUMA_OF(c) (((c) & ((1<<LLDCOLOR_BITS)-1)) << (8-LLDCOLOR_BITS)) + #define LLDEXACT_LUMA_OF(c) ((((uint16_t)(c) & ((1<<LLDCOLOR_BITS)-1))*255)/((1<<LLDCOLOR_BITS)-1)) + #endif + + #define LLDRED_OF(c) LLDLUMA_OF(c) + #define LLDGREEN_OF(c) LLDLUMA_OF(c) + #define LLDBLUE_OF(c) LLDLUMA_OF(c) + #define LLDEXACT_RED_OF(c) LLDEXACT_LUMA_OF(c) + #define LLDEXACT_GREEN_OF(c) LLDEXACT_LUMA_OF(c) + #define LLDEXACT_BLUE_OF(c) LLDEXACT_LUMA_OF(c) + + //------------------------- + // Palette color system + //------------------------- + #elif (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_PALETTE + #define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_PALETTE + + #error "GDISP: A palette color system for low level drivers is not currently supported" + + //------------------------- + // Some other color system + //------------------------- #else - #define LLDCOLOR_NEEDS_MASK TRUE + #error "GDISP: Unsupported color system for low level drivers" #endif - #define LLDCOLOR_MASK() ((1 << LLDCOLOR_BITS)-1) - #if COLOR_BITS == 1 - #define LLDRGB2COLOR(r,g,b) (((r)|(g)|(b)) ? 1 : 0) - #define LLDLUMA2COLOR(l) ((l) ? 1 : 0) - #define LLDHTML2COLOR(h) ((h) ? 1 : 0) - #define LLDLUMA_OF(c) ((c) ? 255 : 0) - #define LLDEXACT_LUMA_OF(c) LLDLUMA_OF(c) + /* Which is the larger color type */ + #if COLOR_BITS > LLDCOLOR_BITS + #define LARGER_COLOR_BITS COLOR_BITS + #define LARGER_COLOR_TYPE COLOR_TYPE #else - // They eye is more sensitive to green - #define LLDRGB2COLOR(r,g,b) ((LLDCOLOR_TYPE)(((uint16_t)(r)+(g)+(g)+(b)) >> (10-LLDCOLOR_BITS))) - #define LLDLUMA2COLOR(l) ((LLDCOLOR_TYPE)((l)>>(8-LLDCOLOR_BITS))) - #define LLDHTML2COLOR(h) ((LLDCOLOR_TYPE)(((((h)&0xFF0000)>>16)+(((h)&0x00FF00)>>7)+((h)&0x0000FF)) >> (10-LLDCOLOR_BITS))) - #define LLDLUMA_OF(c) (((c) & ((1<<LLDCOLOR_BITS)-1)) << (8-LLDCOLOR_BITS)) - #define LLDEXACT_LUMA_OF(c) ((((uint16_t)(c) & ((1<<LLDCOLOR_BITS)-1))*255)/((1<<LLDCOLOR_BITS)-1)) - #endif - - #define LLDRED_OF(c) LLDLUMA_OF(c) - #define LLDGREEN_OF(c) LLDLUMA_OF(c) - #define LLDBLUE_OF(c) LLDLUMA_OF(c) - #define LLDEXACT_RED_OF(c) LLDEXACT_LUMA_OF(c) - #define LLDEXACT_GREEN_OF(c) LLDEXACT_LUMA_OF(c) - #define LLDEXACT_BLUE_OF(c) LLDEXACT_LUMA_OF(c) - -//------------------------- -// Palette color system -//------------------------- -#elif (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_PALETTE - #define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_PALETTE - - #error "GDISP: A palette color system for low level drivers is not currently supported" - -//------------------------- -// Some other color system -//------------------------- -#else - #error "GDISP: Unsupported color system for low level drivers" -#endif + #define LARGER_COLOR_BITS LLDCOLOR_BITS + #define LARGER_COLOR_TYPE LLDCOLOR_TYPE + #endif -/* Which is the larger color type */ -#if COLOR_BITS > LLDCOLOR_BITS - #define LARGER_COLOR_BITS COLOR_BITS - #define LARGER_COLOR_TYPE COLOR_TYPE -#else - #define LARGER_COLOR_BITS LLDCOLOR_BITS - #define LARGER_COLOR_TYPE LLDCOLOR_TYPE -#endif + /** + * @brief Controls color conversion accuracy for a low level driver + * @details Should higher precision be used when converting colors. + * @note Color conversion is only necessary if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT + * @note It only makes sense to turn this on if you have a high bit depth display but + * are running the application in low bit depths. + * @note To achieve higher color accuracy bit shifting is replaced with multiplies and divides. + */ + #ifndef GDISP_HARDWARE_USE_EXACT_COLOR + #if LLDCOLOR_BITS_R - COLOR_BITS_R >= LLDCOLOR_BITS_R/2 || LLDCOLOR_BITS_G - COLOR_BITS_G >= LLDCOLOR_BITS_G/2 || LLDCOLOR_BITS_B - COLOR_BITS_B >= LLDCOLOR_BITS_B/2 + #define GDISP_HARDWARE_USE_EXACT_COLOR TRUE + #else + #define GDISP_HARDWARE_USE_EXACT_COLOR FALSE + #endif + #endif -/** - * @brief Controls color conversion accuracy for a low level driver - * @details Should higher precision be used when converting colors. - * @note Color conversion is only necessary if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT - * @note It only makes sense to turn this on if you have a high bit depth display but - * are running the application in low bit depths. - * @note To achieve higher color accuracy bit shifting is replaced with multiplies and divides. - */ -#ifndef GDISP_HARDWARE_USE_EXACT_COLOR - #if LLDCOLOR_BITS_R - COLOR_BITS_R >= LLDCOLOR_BITS_R/2 || LLDCOLOR_BITS_G - COLOR_BITS_G >= LLDCOLOR_BITS_G/2 || LLDCOLOR_BITS_B - COLOR_BITS_B >= LLDCOLOR_BITS_B/2 - #define GDISP_HARDWARE_USE_EXACT_COLOR TRUE + /* Low level driver pixel format conversion functions */ + #if GDISP_PIXELFORMAT == GDISP_LLD_PIXELFORMAT || defined(__DOXYGEN__) + /** + * @brief Convert from a standard color format to the low level driver pixel format + * @note For use only by low level drivers + */ + #define gdispColor2Native(c) (c) + /** + * @brief Convert from a low level driver pixel format to the standard color format + * @note For use only by low level drivers + */ + #define gdispNative2Color(c) (c) #else - #define GDISP_HARDWARE_USE_EXACT_COLOR FALSE + static LLDCOLOR_TYPE gdispColor2Native(color_t c) { + #if COLOR_SYSTEM == GDISP_COLORSYSTEM_GRAYSCALE || LLDCOLOR_SYSTEM == GDISP_COLORSYSTEM_GRAYSCALE + #if GDISP_HARDWARE_USE_EXACT_COLOR + return LLDLUMA2COLOR(EXACT_LUMA_OF(c)); + #else + return LLDLUMA2COLOR(LUMA_OF(c)); + #endif + #elif COLOR_SYSTEM == GDISP_COLORSYSTEM_TRUECOLOR && LLDCOLOR_SYSTEM == GDISP_COLORSYSTEM_TRUECOLOR + #if GDISP_HARDWARE_USE_EXACT_COLOR + return LLDRGB2COLOR(EXACT_RED_OF(c), EXACT_GREEN_OF(c), EXACT_BLUE_OF(c)); + #else + return LLDRGB2COLOR(RED_OF(c), GREEN_OF(c), BLUE_OF(c)); + #endif + #else + #error "GDISP: This pixel format conversion is not supported yet" + #endif + } + static color_t gdispNative2Color(LLDCOLOR_TYPE c) { + #if COLOR_SYSTEM == GDISP_COLORSYSTEM_GRAYSCALE || LLDCOLOR_SYSTEM == GDISP_COLORSYSTEM_GRAYSCALE + #if GDISP_HARDWARE_USE_EXACT_COLOR + return LUMA2COLOR(LLDEXACT_LUMA_OF(c)); + #else + return LUMA2COLOR(LLDLUMA_OF(c)); + #endif + #elif COLOR_SYSTEM == GDISP_COLORSYSTEM_TRUECOLOR && LLDCOLOR_SYSTEM == GDISP_COLORSYSTEM_TRUECOLOR + #if GDISP_HARDWARE_USE_EXACT_COLOR + return RGB2COLOR(LLDEXACT_RED_OF(c), LLDEXACT_GREEN_OF(c), LLDEXACT_BLUE_OF(c)); + #else + return RGB2COLOR(LLDRED_OF(c), LLDGREEN_OF(c), LLDBLUE_OF(c)); + #endif + #else + #error "GDISP: This pixel format conversion is not supported yet" + #endif + } #endif -#endif -/* Low level driver pixel format conversion functions */ -#if GDISP_PIXELFORMAT == GDISP_LLD_PIXELFORMAT || defined(__DOXYGEN__) - /** - * @brief Convert from a standard color format to the low level driver pixel format - * @note For use only by low level drivers - */ - #define gdispColor2Native(c) (c) - /** - * @brief Convert from a low level driver pixel format to the standard color format - * @note For use only by low level drivers - */ - #define gdispNative2Color(c) (c) -#else - LLDCOLOR_TYPE gdispColor2Native(color_t c); - color_t gdispNative2Color(LLDCOLOR_TYPE c); #endif #endif /* GFX_USE_GDISP */ |