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path: root/drivers/gdisp/SSD1289/gdisp_lld.c
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Diffstat (limited to 'drivers/gdisp/SSD1289/gdisp_lld.c')
-rw-r--r--drivers/gdisp/SSD1289/gdisp_lld.c425
1 files changed, 72 insertions, 353 deletions
diff --git a/drivers/gdisp/SSD1289/gdisp_lld.c b/drivers/gdisp/SSD1289/gdisp_lld.c
index a55dd467..84ffa6d1 100644
--- a/drivers/gdisp/SSD1289/gdisp_lld.c
+++ b/drivers/gdisp/SSD1289/gdisp_lld.c
@@ -17,8 +17,8 @@
#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
-/* Include the emulation code for things we don't support */
-#include "gdisp/lld/emulation.c"
+#define GDISP_LLD_DECLARATIONS
+#include "gdisp/lld/gdisp_lld.h"
/*===========================================================================*/
/* Driver local definitions. */
@@ -52,7 +52,7 @@ static inline void set_cursor(coord_t x, coord_t y) {
* Reg 0x004F is 9 bit
* Use a bit mask to make sure they are not set too high
*/
- switch(GDISP.Orientation) {
+ switch(g->g.Orientation) {
case GDISP_ROTATE_180:
write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-x) & 0x00FF);
write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-y) & 0x01FF);
@@ -85,14 +85,14 @@ static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
* 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F
*/
- switch(GDISP.Orientation) {
+ switch(g->g.Orientation) {
case GDISP_ROTATE_0:
write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF));
write_reg(0x45, y & 0x01FF);
write_reg(0x46, (y+cy-1) & 0x01FF);
break;
case GDISP_ROTATE_270:
- write_reg(0x44, (((y+cy-1) << 8) & 0xFF00 ) | (y & 0x00FF));
+ write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (y & 0x00FF));
write_reg(0x45, x & 0x01FF);
write_reg(0x46, (x+cx-1) & 0x01FF);
break;
@@ -112,7 +112,7 @@ static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
}
static inline void reset_viewport(void) {
- set_viewport(0, 0, GDISP.Width, GDISP.Height);
+ set_viewport(0, 0, g->g.Width, g->g.Height);
}
/*===========================================================================*/
@@ -123,18 +123,7 @@ static inline void reset_viewport(void) {
/* Driver exported functions. */
/*===========================================================================*/
-/* ---- Required Routines ---- */
-/*
- The following 2 routines are required.
- All other routines are optional.
-*/
-
-/**
- * @brief Low level GDISP driver initialization.
- *
- * @notapi
- */
-bool_t gdisp_lld_init(void) {
+LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) {
/* Initialise your display */
init_board();
@@ -196,365 +185,103 @@ bool_t gdisp_lld_init(void) {
set_backlight(GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
- GDISP.Width = GDISP_SCREEN_WIDTH;
- GDISP.Height = GDISP_SCREEN_HEIGHT;
- GDISP.Orientation = GDISP_ROTATE_0;
- GDISP.Powermode = powerOn;
- GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
- GDISP.Contrast = GDISP_INITIAL_CONTRAST;
- #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
- GDISP.clipx0 = 0;
- GDISP.clipy0 = 0;
- GDISP.clipx1 = GDISP.Width;
- GDISP.clipy1 = GDISP.Height;
- #endif
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Orientation = GDISP_ROTATE_0;
+ g->g.Powermode = powerOn;
+ g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
+ g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
-/**
- * @brief Draws a pixel on the display.
- *
- * @param[in] x X location of the pixel
- * @param[in] y Y location of the pixel
- * @param[in] color The color of the pixel
- *
- * @notapi
- */
-void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
- #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
- if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
- #endif
-
- acquire_bus();
- set_cursor(x, y);
- write_reg(0x0022, color);
- release_bus();
-}
-
-/* ---- Optional Routines ---- */
-/*
- All the below routines are optional.
- Defining them will increase speed but everything
- will work if they are not defined.
- If you are not using a routine - turn it off using
- the appropriate GDISP_HARDWARE_XXXX macro.
- Don't bother coding for obvious similar routines if
- there is no performance penalty as the emulation software
- makes a good job of using similar routines.
- eg. If gfillarea() is defined there is little
- point in defining clear() unless the
- performance bonus is significant.
- For good performance it is suggested to implement
- fillarea() and blitarea().
-*/
-
-#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
- /**
- * @brief Clear the display.
- * @note Optional - The high level driver can emulate using software.
- *
- * @param[in] color The color of the pixel
- *
- * @notapi
- */
- void gdisp_lld_clear(color_t color) {
- unsigned area;
-
- area = GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT;
-
+#if GDISP_HARDWARE_STREAM_WRITE
+ LLDSPEC void gdisp_lld_write_start(GDISPDriver *g) {
acquire_bus();
- reset_viewport();
- set_cursor(0, 0);
-
+ set_viewport(g->p.x, g->p.y, g->p.cx, g->p.cy);
stream_start();
-
- #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
- uint8_t i;
- dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);
- dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
- for (i = area/65535; i; i--) {
- dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
- dmaStreamEnable(GDISP_DMA_STREAM);
- dmaWaitCompletion(GDISP_DMA_STREAM);
- }
- dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
- dmaStreamEnable(GDISP_DMA_STREAM);
- dmaWaitCompletion(GDISP_DMA_STREAM);
- #else
- uint32_t index;
- for(index = 0; index < area; index++)
- write_data(color);
- #endif //#ifdef GDISP_USE_DMA
-
+ }
+ LLDSPEC void gdisp_lld_write_color(GDISPDriver *g) {
+ write_data(color);
+ }
+ LLDSPEC void gdisp_lld_write_stop(GDISPDriver *g) {
stream_stop();
release_bus();
}
#endif
-#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
- /**
- * @brief Fill an area with a color.
- * @note Optional - The high level driver can emulate using software.
- *
- * @param[in] x, y The start filled area
- * @param[in] cx, cy The width and height to be filled
- * @param[in] color The color of the fill
- *
- * @notapi
- */
- void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
- unsigned area;
-
- #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
- if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
- if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
- if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
- if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
- if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
- #endif
-
- area = cx*cy;
+#if GDISP_HARDWARE_STREAM_READ
+ LLDSPEC void gdisp_lld_read_start(GDISPDriver *g) {
+ uint16_t dummy;
acquire_bus();
- set_viewport(x, y, cx, cy);
+ set_viewport(g->p.x, g->p.y, g->p.cx, g->p.cy);
stream_start();
-
- #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
- uint8_t i;
- dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);
- dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
- for (i = area/65535; i; i--) {
- dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
- dmaStreamEnable(GDISP_DMA_STREAM);
- dmaWaitCompletion(GDISP_DMA_STREAM);
- }
- dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
- dmaStreamEnable(GDISP_DMA_STREAM);
- dmaWaitCompletion(GDISP_DMA_STREAM);
- #else
- uint32_t index;
- for(index = 0; index < area; index++)
- write_data(color);
- #endif //#ifdef GDISP_USE_DMA
-
+ setreadmode();
+ dummy = read_data(); // dummy read
+ }
+ LLDSPEC color_t gdisp_lld_read_color(GDISPDriver *g) {
+ return read_data();
+ }
+ LLDSPEC void gdisp_lld_read_stop(GDISPDriver *g) {
+ setwritemode();
stream_stop();
release_bus();
}
#endif
-#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
- /**
- * @brief Fill an area with a bitmap.
- * @note Optional - The high level driver can emulate using software.
- *
- * @param[in] x, y The start filled area
- * @param[in] cx, cy The width and height to be filled
- * @param[in] srcx, srcy The bitmap position to start the fill from
- * @param[in] srccx The width of a line in the bitmap.
- * @param[in] buffer The pixels to use to fill the area.
- *
- * @notapi
- */
- void gdisp_lld_blit_area_ex(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
-
- #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
- if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
- if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
- if (srcx+cx > srccx) cx = srccx - srcx;
- if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
- if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
- if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
- #endif
-
- buffer += srcx + srcy * srccx;
-
+#if GDISP_HARDWARE_FILLS && defined(GDISP_USE_DMA)
+ LLDSPEC void gdisp_lld_fill_area(GDISPDriver *g) {
acquire_bus();
- set_viewport(x, y, cx, cy);
+ set_viewport(g->p.x, g->p.y, g->p.cx, g->p.cy);
stream_start();
-
- #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
- uint32_t area = cx*cy;
- uint8_t i;
- dmaStreamSetPeripheral(GDISP_DMA_STREAM, buffer);
- dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PINC | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
- for (i = area/65535; i; i--) {
- dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
- dmaStreamEnable(GDISP_DMA_STREAM);
- dmaWaitCompletion(GDISP_DMA_STREAM);
- }
- dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
- dmaStreamEnable(GDISP_DMA_STREAM);
- dmaWaitCompletion(GDISP_DMA_STREAM);
- #else
- coord_t endx, endy;
- uint32_t lg;
- endx = srcx + cx;
- endy = y + cy;
- lg = srccx - cx;
- for(; y < endy; y++, buffer += lg)
- for(x=srcx; x < endx; x++)
- write_data(*buffer++);
- #endif //#ifdef GDISP_USE_DMA
-
+ dma_with_noinc(&color, g->p.cx*g->p.cy)
stream_stop();
release_bus();
}
#endif
-#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
- /**
- * @brief Get the color of a particular pixel.
- * @note Optional.
- * @note If x,y is off the screen, the result is undefined.
- *
- * @param[in] x, y The pixel to be read
- *
- * @notapi
- */
- color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) {
- color_t color;
+#if GDISP_HARDWARE_BITFILLS && defined(GDISP_USE_DMA)
+ LLDSPEC void gdisp_lld_blit_area(GDISPDriver *g) {
+ pixel_t *buffer;
+ coord_t ycnt;
- #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
- if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
- #endif
+ buffer = (pixel_t *)g->p.ptr + g->p.x1 + g->p.y1 * g->p.x2;
acquire_bus();
- set_cursor(x, y);
+ set_viewport(g->p.x, g->p.y, g->p.cx, g->p.cy);
stream_start();
- /* FSMC timing */
- FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0 ;
-
- color = read_data(); // dummy read
- color = read_data();
-
- /* FSMC timing */
- FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;
-
- stream_stop();
- release_bus();
-
- return color;
- }
-#endif
-
-#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
- /**
- * @brief Scroll vertically a section of the screen.
- * @note Optional.
- * @note If x,y + cx,cy is off the screen, the result is undefined.
- * @note If lines is >= cy, it is equivelent to a area fill with bgcolor.
- *
- * @param[in] x, y The start of the area to be scrolled
- * @param[in] cx, cy The size of the area to be scrolled
- * @param[in] lines The number of lines to scroll (Can be positive or negative)
- * @param[in] bgcolor The color to fill the newly exposed area.
- *
- * @notapi
- */
- void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
- static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)];
- coord_t row0, row1;
- unsigned i, gap, abslines, j;
-
- #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
- if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
- if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
- if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
- if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
- if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
- #endif
-
- abslines = lines < 0 ? -lines : lines;
-
- acquire_bus();
- if ((coord_t)abslines >= cy) {
- abslines = cy;
- gap = 0;
+ if (g->p.x2 == g->p.cx) {
+ dma_with_inc(buffer, g->p.cx*g->p.cy);
} else {
- gap = cy - abslines;
- for(i = 0; i < gap; i++) {
- if(lines > 0) {
- row0 = y + i + lines;
- row1 = y + i;
- } else {
- row0 = (y - i - 1) + lines;
- row1 = (y - i - 1);
- }
-
- /* read row0 into the buffer and then write at row1*/
- set_viewport(x, row0, cx, 1);
- stream_start();
-
- /* FSMC timing */
- FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0 ;
-
- j = read_data(); // dummy read
- for (j = 0; (coord_t)j < cx; j++)
- buf[j] = read_data();
-
- /* FSMC timing */
- FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;
-
- stream_stop();
-
- set_viewport(x, row1, cx, 1);
- stream_start();
- for (j = 0; (coord_t)j < cx; j++)
- write_data(buf[j]);
- stream_stop();
- }
+ for (ycnt = g->p.cy; ycnt; ycnt--, buffer += g->p.x2)
+ dma_with_inc(buffer, g->p.cy);
}
-
- /* fill the remaining gap */
- set_viewport(x, lines > 0 ? (y+(coord_t)gap) : y, cx, abslines);
- stream_start();
- gap = cx*abslines;
- for(i = 0; i < gap; i++) write_data(bgcolor);
stream_stop();
release_bus();
}
#endif
-#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
- /**
- * @brief Driver Control
- * @details Unsupported control codes are ignored.
- * @note The value parameter should always be typecast to (void *).
- * @note There are some predefined and some specific to the low level driver.
- * @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t
- * GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t
- * GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver
- * that only supports off/on anything other
- * than zero is on.
- * GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
- * GDISP_CONTROL_LLD - Low level driver control constants start at
- * this value.
- *
- * @param[in] what What to do.
- * @param[in] value The value to use (always cast to a void *).
- *
- * @notapi
- */
- void gdisp_lld_control(unsigned what, void *value) {
- switch(what) {
+#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
+ LLDSPEC void gdisp_lld_control(GDISPDriver *g) {
+ switch(g->p.x) {
case GDISP_CONTROL_POWER:
- if (GDISP.Powermode == (gdisp_powermode_t)value)
+ if (g->g.Powermode == (powermode_t)g->p.ptr)
return;
- switch((gdisp_powermode_t)value) {
+ switch((powermode_t)g->p.ptr) {
case powerOff:
acquire_bus();
write_reg(0x0010, 0x0000); // leave sleep mode
write_reg(0x0007, 0x0000); // halt operation
- write_reg(0x0000, 0x0000); // turn off oszillator
- write_reg(0x0010, 0x0001); // enter sleepmode
+ write_reg(0x0000, 0x0000); // turn off oscillator
+ write_reg(0x0010, 0x0001); // enter sleep mode
release_bus();
break;
case powerOn:
acquire_bus();
write_reg(0x0010, 0x0000); // leave sleep mode
release_bus();
- if (GDISP.Powermode != powerSleep)
+ if (g->g.Powermode != powerSleep)
gdisp_lld_init();
break;
case powerSleep:
@@ -565,20 +292,20 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
default:
return;
}
- GDISP.Powermode = (gdisp_powermode_t)value;
+ g->g.Powermode = (powermode_t)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
- if (GDISP.Orientation == (gdisp_orientation_t)value)
+ if (g->g.Orientation == (orientation_t)g->p.ptr)
return;
- switch((gdisp_orientation_t)value) {
+ switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
acquire_bus();
write_reg(0x0001, 0x2B3F);
/* ID = 11 AM = 0 */
write_reg(0x0011, 0x6070);
release_bus();
- GDISP.Height = GDISP_SCREEN_HEIGHT;
- GDISP.Width = GDISP_SCREEN_WIDTH;
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
acquire_bus();
@@ -586,8 +313,8 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
/* ID = 11 AM = 1 */
write_reg(0x0011, 0x6078);
release_bus();
- GDISP.Height = GDISP_SCREEN_WIDTH;
- GDISP.Width = GDISP_SCREEN_HEIGHT;
+ g->g.Height = GDISP_SCREEN_WIDTH;
+ g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
acquire_bus();
@@ -595,8 +322,8 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
/* ID = 01 AM = 0 */
write_reg(0x0011, 0x6040);
release_bus();
- GDISP.Height = GDISP_SCREEN_HEIGHT;
- GDISP.Width = GDISP_SCREEN_WIDTH;
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
acquire_bus();
@@ -604,31 +331,23 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
/* ID = 01 AM = 1 */
write_reg(0x0011, 0x6048);
release_bus();
- GDISP.Height = GDISP_SCREEN_WIDTH;
- GDISP.Width = GDISP_SCREEN_HEIGHT;
+ g->g.Height = GDISP_SCREEN_WIDTH;
+ g->g.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
- #if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
- GDISP.clipx0 = 0;
- GDISP.clipy0 = 0;
- GDISP.clipx1 = GDISP.Width;
- GDISP.clipy1 = GDISP.Height;
- #endif
- GDISP.Orientation = (gdisp_orientation_t)value;
+ g->g.Orientation = (orientation_t)value;
return;
case GDISP_CONTROL_BACKLIGHT:
- if ((unsigned)value > 100)
- value = (void *)100;
- set_backlight((unsigned)value);
- GDISP.Backlight = (unsigned)value;
+ if ((unsigned)g->p.ptr > 100)
+ g->p.ptr = (void *)100;
+ set_backlight((unsigned)g->p.ptr);
+ g->g.Backlight = (unsigned)g->p.ptr;
return;
+ //case GDISP_CONTROL_CONTRAST:
default:
return;
-/*
- case GDISP_CONTROL_CONTRAST:
-*/
}
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 18:07:14 +0000