diff options
Diffstat (limited to 'drivers/lcd/draw_hx8347.c')
| -rw-r--r-- | drivers/lcd/draw_hx8347.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/drivers/lcd/draw_hx8347.c b/drivers/lcd/draw_hx8347.c new file mode 100644 index 0000000..f262d9a --- /dev/null +++ b/drivers/lcd/draw_hx8347.c @@ -0,0 +1,387 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include "draw.h"
+#include "font.h"
+#include <board.h>
+#include <utility/assert.h>
+#include <hx8347/hx8347.h>
+
+#include <string.h>
+/// lcd is busy,0 free,1 busy
+int gLCDIsBusy = 0;
+//------------------------------------------------------------------------------
+// Global functions
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+/// indicate the lcd is available for use
+//------------------------------------------------------------------------------
+int LCDD_IsBusy()
+{
+ return gLCDIsBusy;
+}
+//------------------------------------------------------------------------------
+/// Set lcd to busy
+//------------------------------------------------------------------------------
+void LCDD_SetBusy()
+{
+ gLCDIsBusy = 1;
+}
+//------------------------------------------------------------------------------
+/// clear lcd to free
+//------------------------------------------------------------------------------
+void LCDD_ClearBusy()
+{
+ gLCDIsBusy = 0;
+}
+//------------------------------------------------------------------------------
+/// Fills the given LCD buffer with a particular color.
+/// Only works in 24-bits packed mode for now.
+/// \param pBuffer LCD buffer to fill.
+/// \param color Fill color.
+//------------------------------------------------------------------------------
+void LCDD_Fill(void *pBuffer, unsigned int color)
+{
+ unsigned int i;
+ unsigned short color16 = RGB24ToRGB16(color);
+
+
+ LCD_SetCursor((void *)BOARD_LCD_BASE, 0, 0);
+ LCD_WriteRAM_Prepare((void *)BOARD_LCD_BASE);
+ for (i = 0; i < (BOARD_LCD_WIDTH * BOARD_LCD_HEIGHT); i++) {
+
+ LCD_WriteRAM((void *)BOARD_LCD_BASE, color16);
+ }
+}
+
+//------------------------------------------------------------------------------
+/// Sets the specified pixel to the given color.
+/// !!! Only works in 24-bits packed mode for now. !!!
+/// \param pBuffer LCD buffer to draw on.
+/// \param x X-coordinate of pixel.
+/// \param y Y-coordinate of pixel.
+/// \param color Pixel color.
+//------------------------------------------------------------------------------
+void LCDD_DrawPixel(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ unsigned int color)
+{
+ unsigned short color16 = RGB24ToRGB16(color);
+
+ LCD_SetCursor(pBuffer, x, y);
+ LCD_WriteRAM_Prepare(pBuffer);
+ LCD_WriteRAM(pBuffer, color16);
+}
+
+//------------------------------------------------------------------------------
+/// Read pixel of given coordinate.
+/// !!! The return pixel is RGB565 format !!!
+/// \param pBuffer LCD buffer to draw on.
+/// \param x X-coordinate of pixel.
+/// \param y Y-coordinate of pixel.
+/// \return Pixel color.
+//------------------------------------------------------------------------------
+unsigned int LCDD_ReadPixel(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y)
+{
+ unsigned short readData[4];
+ unsigned int color;
+
+ LCD_SetCursor(pBuffer, x, y);
+ LCD_ReadRAM_Prepare(pBuffer);
+ readData[0] = LCD_ReadRAM(pBuffer); // Dummy date
+ readData[1] = LCD_ReadRAM(pBuffer); // color R
+ readData[2] = LCD_ReadRAM(pBuffer); // color G
+ readData[3] = LCD_ReadRAM(pBuffer); // color B
+ color = (((readData[1] & 0xF8) << 8) |
+ ((readData[2] & 0xFC) << 3) |
+ ((readData[3] & 0xF8) >> 3));
+
+ return color;
+}
+
+//------------------------------------------------------------------------------
+/// Draws a rectangle inside a LCD buffer, at the given coordinates.
+/// \param pBuffer LCD buffer to draw on.
+/// \param x X-coordinate of upper-left rectangle corner.
+/// \param y Y-coordinate of upper-left rectangle corner.
+/// \param width Rectangle width in pixels.
+/// \param height Rectangle height in pixels.
+/// \param color Rectangle color.
+//------------------------------------------------------------------------------
+void LCDD_DrawRectangle(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ unsigned int width,
+ unsigned int height,
+ unsigned int color)
+{
+ unsigned int rx, ry;
+
+ for (ry=0; ry < height; ry++) {
+
+ for (rx=0; rx < width; rx++) {
+
+ LCDD_DrawPixel(pBuffer, x+rx, y+ry, color);
+ }
+ }
+}
+
+//------------------------------------------------------------------------------
+/// Draws a string inside a LCD buffer, at the given coordinates. Line breaks
+/// will be honored.
+/// \param pBuffer Buffer to draw on.
+/// \param x X-coordinate of string top-left corner.
+/// \param y Y-coordinate of string top-left corner.
+/// \param pString String to display.
+/// \param color String color.
+//------------------------------------------------------------------------------
+void LCDD_DrawString(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ const char *pString,
+ unsigned int color)
+{
+ unsigned xorg = x;
+
+ while (*pString != 0) {
+ if (*pString == '\n') {
+
+ y += gFont.height + 2;
+ x = xorg;
+ }
+ else {
+
+ LCDD_DrawChar(pBuffer, x, y, *pString, color);
+ x += gFont.width + 2;
+ }
+ pString++;
+ }
+}
+//------------------------------------------------------------------------------
+/// Draws a string inside a LCD buffer, at the given coordinates. Line breaks
+/// will be honored.
+/// \param pBuffer Buffer to draw on.
+/// \param x X-coordinate of string top-left corner.
+/// \param y Y-coordinate of string top-left corner.
+/// \param pString String to display.
+/// \param color String color.
+/// \param dir The dirciton of the string,0 for horizontal,1 for vertical
+//------------------------------------------------------------------------------
+void LCDD_DrawStringEx(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ const char *pString,
+ unsigned int color,
+ unsigned int dir)
+{
+ unsigned int xorg = x;
+ unsigned int yorg = y;
+
+ if(LCDD_IsBusy()) return;
+
+ gLCDIsBusy = 1;
+
+ if(dir)
+ {
+ while (*pString != 0) {
+ if (*pString == '\n') {
+
+ x -= gFont.height + 2;
+ y = yorg;
+
+ }
+ else {
+ LCDD_DrawCharVertical(pBuffer, x, y, *pString, color);
+ y += gFont.width + 2;
+ }
+ pString++;
+ }
+
+ }
+ else
+ {
+ while (*pString != 0) {
+ if (*pString == '\n') {
+
+ y += gFont.height + 2;
+ x = xorg;
+
+ }
+ else {
+ LCDD_DrawChar(pBuffer, x, y, *pString, color);
+ x += gFont.width + 2;
+ }
+ pString++;
+ }
+ }
+ gLCDIsBusy = 0;
+
+}
+//------------------------------------------------------------------------------
+/// Draws a string inside a LCD buffer, at the given coordinates. Line breaks
+/// will be honored.
+/// \param pBuffer Buffer to draw on.
+/// \param x X-coordinate of string top-left corner.
+/// \param y Y-coordinate of string top-left corner.
+/// \param pString String to display.
+/// \param color String color.
+//------------------------------------------------------------------------------
+void LCDD_DrawStringWithBGColor(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ const char *pString,
+ unsigned int fontColor,
+ unsigned int bgColor)
+{
+ unsigned xorg = x;
+
+ while (*pString != 0) {
+ if (*pString == '\n') {
+
+ y += gFont.height + 2;
+ x = xorg;
+ }
+ else {
+
+ LCDD_DrawCharWithBGColor(pBuffer, x, y, *pString, fontColor, bgColor);
+ x += gFont.width + 2;
+ }
+ pString++;
+ }
+}
+//------------------------------------------------------------------------------
+/// Draws a string inside a LCD buffer, at the given coordinates. Line breaks
+/// will be honored.
+/// \param pBuffer Buffer to draw on.
+/// \param x X-coordinate of string top-left corner.
+/// \param y Y-coordinate of string top-left corner.
+/// \param pString String to display.
+/// \param color String color.
+/// \param dir The dirciton of the string,0 for horizontal,1 for vertical
+//------------------------------------------------------------------------------
+void LCDD_DrawStringWithBGColorEx(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ const char *pString,
+ unsigned int fontColor,
+ unsigned int bgColor,
+ unsigned int dir)
+{
+ unsigned int xorg = x;
+ unsigned int yorg = y;
+
+ if(LCDD_IsBusy()) return;
+
+ gLCDIsBusy = 1;
+
+ if(dir)
+ {
+ while (*pString != 0) {
+ if (*pString == '\n') {
+
+ x -= gFont.height + 2;
+ y = yorg;
+
+ }
+ else {
+ LCDD_DrawCharVerticalWithBGColor(pBuffer, x, y, *pString, fontColor, bgColor);
+ y += gFont.width + 2;
+ }
+ pString++;
+ }
+ }
+ else
+ {
+ while (*pString != 0) {
+ if (*pString == '\n') {
+
+ y += gFont.height + 2;
+ x = xorg;
+
+ }
+ else {
+ LCDD_DrawCharWithBGColor(pBuffer, x, y, *pString, fontColor, bgColor);
+ x += gFont.width + 2;
+ }
+ pString++;
+ }
+
+ }
+
+ gLCDIsBusy = 0;
+
+}
+//------------------------------------------------------------------------------
+/// Returns the width & height in pixels that a string will occupy on the screen
+/// if drawn using LCDD_DrawString.
+/// \param pString String.
+/// \param pWidth Pointer for storing the string width (optional).
+/// \param pHeight Pointer for storing the string height (optional).
+/// \return String width in pixels.
+//------------------------------------------------------------------------------
+void LCDD_GetStringSize(
+ const char *pString,
+ unsigned int *pWidth,
+ unsigned int *pHeight)
+{
+ unsigned int width = 0;
+ unsigned int height = gFont.height;
+
+ while (*pString != 0) {
+
+ if (*pString == '\n') {
+
+ height += gFont.height + 2;
+ }
+ else {
+
+ width += gFont.width + 2;
+ }
+ pString++;
+ }
+
+ if (width > 0) width -= 2;
+
+ if (pWidth) *pWidth = width;
+ if (pHeight) *pHeight = height;
+}
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