/*****************************************************************************
* Module for Microchip Graphics Library
* LCD controller driver
* Solomon Systech. SSD1289
* Solomon Systech. SSD2119
*****************************************************************************
* FileName: drvTFT002.c
* Dependencies: Graphics.h
* Processor: PIC24, PIC32
* Compiler: MPLAB C30, MPLAB C32
* Linker: MPLAB LINK30, MPLAB LINK32
* Company: Microchip Technology Incorporated
*
* Software License Agreement
*
* Copyright © 2009 Microchip Technology Inc. All rights reserved.
* Microchip licenses to you the right to use, modify, copy and distribute
* Software only when embedded on a Microchip microcontroller or digital
* signal controller, which is integrated into your product or third party
* product (pursuant to the sublicense terms in the accompanying license
* agreement).
*
* You should refer to the license agreement accompanying this Software
* for additional information regarding your rights and obligations.
*
* SOFTWARE AND DOCUMENTATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY
* OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR
* PURPOSE. IN NO EVENT SHALL MICROCHIP OR ITS LICENSORS BE LIABLE OR
* OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION,
* BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT
* DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL,
* INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
* COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY
* CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF),
* OR OTHER SIMILAR COSTS.
*
* Author Date Comment
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Anton Alkhimenok 05/29/09
*****************************************************************************/
#include "Graphics\Graphics.h"
// Color
WORD _color;
// Clipping region control
SHORT _clipRgn;
// Clipping region borders
SHORT _clipLeft;
SHORT _clipTop;
SHORT _clipRight;
SHORT _clipBottom;
/////////////////////// LOCAL FUNCTIONS PROTOTYPES ////////////////////////////
void SetReg(WORD index, WORD value);
void PutImage1BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch);
void PutImage4BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch);
void PutImage8BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch);
void PutImage16BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch);
void PutImage1BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch);
void PutImage4BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch);
void PutImage8BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch);
void PutImage16BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch);
/*********************************************************************
* Macro: WritePixel(color)
*
* PreCondition: none
*
* Input: color
*
* Output: none
*
* Side Effects: none
*
* Overview: writes pixel at the current address
*
* Note: chip select should be enabled
*
********************************************************************/
#ifdef USE_16BIT_PMP
#define WritePixel(color) DeviceWrite(color)
#else
#define WritePixel(color) { DeviceWrite(((WORD_VAL)color).v[1]); DeviceWrite(((WORD_VAL)color).v[0]);}
#endif
/*********************************************************************
* Macros: SetAddress(addr2,addr1,addr0)
*
* Overview: Writes address pointer.
*
* PreCondition: none
*
* Input: addr0 - Lower byte of the address.
* addr1 - Middle byte of the address.
* addr2 - Upper byte of the address.
*
* Output: none
*
* Side Effects: none
*
********************************************************************/
inline void SetAddress(WORD x, WORD y)
{
DeviceSetCommand();
#ifdef USE_16BIT_PMP
#if (DISP_ORIENTATION == 0)
DeviceWrite(0x004e);
#else
DeviceWrite(0x004f);
#endif
#else
#if (DISP_ORIENTATION == 0)
DeviceWrite(0);
DeviceWrite(0x4e);
#else
DeviceWrite(0);
DeviceWrite(0x4f);
#endif
#endif
DeviceSetData();
#ifdef USE_16BIT_PMP
DeviceWrite(x);
#else
DeviceWrite(((WORD_VAL)x).v[1]);
DeviceWrite(((WORD_VAL)x).v[0]);
#endif
DeviceSetCommand();
#ifdef USE_16BIT_PMP
#if (DISP_ORIENTATION == 0)
DeviceWrite(0x004f);
#else
DeviceWrite(0x004e);
#endif
#else
#if (DISP_ORIENTATION == 0)
DeviceWrite(0);
DeviceWrite(0x4f);
#else
DeviceWrite(0);
DeviceWrite(0x4e);
#endif
#endif
DeviceSetData();
#ifdef USE_16BIT_PMP
DeviceWrite(y);
#else
DeviceWrite(((WORD_VAL)y).v[1]);
DeviceWrite(((WORD_VAL)y).v[0]);
#endif
DeviceSetCommand();
#ifdef USE_16BIT_PMP
DeviceWrite(0x0022);
#else
DeviceWrite(0);
DeviceWrite(0x22);
#endif
DeviceSetData();
}
/*********************************************************************
* Function: void SetReg(BYTE index, WORD value)
*
* PreCondition: none
*
* Input: index - register number
* value - value to be set
*
* Output: none
*
* Side Effects: none
*
* Overview: sets graphics controller register
*
* Note: none
*
********************************************************************/
void SetReg(WORD index, WORD value)
{
DeviceSelect();
DeviceSetCommand();
#ifdef USE_16BIT_PMP
DeviceWrite(index);
#else
DeviceWrite(((WORD_VAL)index).v[1]);
DeviceWrite(((WORD_VAL)index).v[0]);
#endif
DeviceSetData();
#ifdef USE_16BIT_PMP
DeviceWrite(value);
#else
DeviceWrite(((WORD_VAL)value).v[1]);
DeviceWrite(((WORD_VAL)value).v[0]);
#endif
DeviceDeselect();
}
/*********************************************************************
* Function: void ResetDevice()
*
* PreCondition: none
*
* Input: none
*
* Output: none
*
* Side Effects: none
*
* Overview: resets LCD, initializes PMP
*
* Note: none
*
********************************************************************/
void ResetDevice(void)
{
// Initialize the device
DeviceInit();
// Setup display
#if (DISPLAY_CONTROLLER == SSD1289)
/////////////////////////////////////////////////////////
SetReg(0x00, 0x0001);
SetReg(0x03, 0xAAAC);
SetReg(0x0C, 0x0002);
DelayMs(15);
SetReg(0x0D, 0x000A);
SetReg(0x0E, 0x2D00);
SetReg(0x1E, 0x00BC);
SetReg(0x01, 0x1A0C);
DelayMs(15);
#if (DISP_ORIENTATION == 0)
SetReg(0x01, 0x2B3F);
#else
SetReg(0x01, 0x293F);
#endif
SetReg(0x02, 0x0600);
SetReg(0x10, 0x0000);
#if (DISP_ORIENTATION == 0)
SetReg(0x11, 0x60B0);
#else
SetReg(0x11, 0x60B8);
#endif
SetReg(0x05, 0x0000);
SetReg(0x06, 0x0000);
DelayMs(100);
SetReg(0x16, 0xEF1C);
SetReg(0x17, 0x0003);
SetReg(0x07, 0x0233);
SetReg(0x0B, 0x0000);
SetReg(0x0F, 0x0000);
SetReg(0x41, 0x0000);
SetReg(0x42, 0x0000);
SetReg(0x48, 0x0000);
SetReg(0x49, 0x013F);
SetReg(0x44, 0xEF00);
SetReg(0x45, 0x0000);
SetReg(0x46, 0x013F);
SetReg(0x4A, 0x0000);
SetReg(0x4B, 0x0000);
SetReg(0x30, 0x0707);
SetReg(0x31, 0x0704);
SetReg(0x32, 0x0204);
SetReg(0x33, 0x0502);
SetReg(0x34, 0x0507);
SetReg(0x35, 0x0204);
SetReg(0x36, 0x0204);
SetReg(0x37, 0x0502);
SetReg(0x3A, 0x0302);
SetReg(0x3B, 0x1f00);
SetReg(0x23, 0x0000);
SetReg(0x24, 0x0000);
#elif (DISPLAY_CONTROLLER == SSD2119)
SetReg(0x0028, 0x0006); // VCOM OTP, page 55-56 of datasheet
SetReg(0x0000, 0x0001); // start Oscillator, page 36 of datasheet
SetReg(0x0010, 0x0000); // Sleep mode, page 49 of datasheet
#if (DISP_ORIENTATION == 0)
SetReg(0x0001, 0x72EF); // Driver Output Control, page 36-39 of datasheet
#else
SetReg(0x0001, 0x32EF); // Driver Output Control, page 36-39 of datasheet
#endif
SetReg(0x0002, 0x0600); // LCD Driving Waveform Control, page 40-42 of datasheet
SetReg(0x0003, 0x6A38); // Power Control 1, page 43-44 of datasheet
#if (DISP_ORIENTATION == 0)
SetReg(0x0011, 0x6870); // Entry Mode, page 50-52 of datasheet
#else
SetReg(0x0011, 0x6878); // Entry Mode, page 50-52 of datasheet
#endif
SetReg(0x000F, 0x0000); // Gate Scan Position, page 49 of datasheet
SetReg(0x000B, 0x5308); // Frame Cycle Control, page 45 of datasheet
SetReg(0x000C, 0x0003); // Power Control 2, page 47 of datasheet
SetReg(0x000D, 0x000A); // Power Control 3, page 48 of datasheet
SetReg(0x000E, 0x2E00); // Power Control 4, page 48 of datasheet
SetReg(0x001E, 0x00BE); // Power Control 5, page 53 of datasheet
SetReg(0x0025, 0x8000); // Frame Frequency Control, page 53 of datasheet
SetReg(0x0026, 0x7800); // Analog setting, page 54 of datasheet
SetReg(0x004E, 0x0000); // Ram Address Set, page 58 of datasheet
SetReg(0x004F, 0x0000); // Ram Address Set, page 58 of datasheet
SetReg(0x0012, 0x08D9); // Sleep mode, page 49 of datasheet
// Gamma Control (R30h to R3Bh) -- page 56 of datasheet
SetReg(0x0030, 0x0000);
SetReg(0x0031, 0x0104);
SetReg(0x0032, 0x0100);
SetReg(0x0033, 0x0305);
SetReg(0x0034, 0x0505);
SetReg(0x0035, 0x0305);
SetReg(0x0036, 0x0707);
SetReg(0x0037, 0x0300);
SetReg(0x003A, 0x1200);
SetReg(0x003B, 0x0800);
SetReg(0x0007, 0x0033); // Display Control, page 45 of datasheet
#endif
DelayMs(50);
}
/*********************************************************************
* Function: void PutPixel(SHORT x, SHORT y)
*
* PreCondition: none
*
* Input: x,y - pixel coordinates
*
* Output: none
*
* Side Effects: none
*
* Overview: puts pixel
*
* Note: none
*
********************************************************************/
void PutPixel(SHORT x, SHORT y)
{
DWORD_VAL address;
if(_clipRgn)
{
if(x < _clipLeft)
return;
if(x > _clipRight)
return;
if(y < _clipTop)
return;
if(y > _clipBottom)
return;
}
CS_LAT_BIT = 0;
SetAddress(x, y);
WritePixel(_color);
CS_LAT_BIT = 1;
}
/*********************************************************************
* Function: WORD GetPixel(SHORT x, SHORT y)
*
* PreCondition: none
*
* Input: x,y - pixel coordinates
*
* Output: pixel color
*
* Side Effects: none
*
* Overview: returns pixel color at x,y position
*
* Note: none
*
********************************************************************/
WORD GetPixel(SHORT x, SHORT y)
{
return (0);
}
/*********************************************************************
* Function: WORD Bar(SHORT left, SHORT top, SHORT right, SHORT bottom)
*
* PreCondition: none
*
* Input: left,top - top left corner coordinates,
* right,bottom - bottom right corner coordinates
*
* Output: none
*
* Side Effects: none
*
* Overview: draws rectangle filled with current color
*
* Note: none
*
********************************************************************/
WORD Bar(SHORT left, SHORT top, SHORT right, SHORT bottom)
{
register SHORT x, y;
#ifndef USE_NONBLOCKING_CONFIG
while(IsDeviceBusy() != 0);
/* Ready */
#else
if(IsDeviceBusy() != 0)
return (0);
#endif
if(_clipRgn)
{
if(left < _clipLeft)
left = _clipLeft;
if(right > _clipRight)
right = _clipRight;
if(top < _clipTop)
top = _clipTop;
if(bottom > _clipBottom)
bottom = _clipBottom;
}
CS_LAT_BIT = 0;
for(y = top; y < bottom + 1; y++)
{
SetAddress(left, y);
for(x = left; x < right + 1; x++)
{
WritePixel(_color);
}
}
CS_LAT_BIT = 1;
return (1);
}
/*********************************************************************
* Function: void ClearDevice(void)
*
* PreCondition: none
*
* Input: none
*
* Output: none
*
* Side Effects: none
*
* Overview: clears screen with current color
*
* Note: none
*
********************************************************************/
void ClearDevice(void)
{
DWORD counter;
CS_LAT_BIT = 0;
SetAddress(0, 0);
for(counter = 0; counter < (DWORD) (GetMaxX() + 1) * (GetMaxY() + 1); counter++)
{
WritePixel(_color);
}
CS_LAT_BIT = 1;
}
/*********************************************************************
* Function: WORD PutImage(SHORT left, SHORT top, void* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner,
* bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
#ifdef USE_DRV_PUTIMAGE
/* */
WORD PutImage(SHORT left, SHORT top, void *bitmap, BYTE stretch)
{
FLASH_BYTE *flashAddress;
BYTE colorDepth;
WORD colorTemp;
#ifndef USE_NONBLOCKING_CONFIG
while(IsDeviceBusy() != 0);
/* Ready */
#else
if(IsDeviceBusy() != 0)
return (0);
#endif
// Save current color
colorTemp = _color;
switch(*((SHORT *)bitmap))
{
#ifdef USE_BITMAP_FLASH
case FLASH:
// Image address
flashAddress = ((BITMAP_FLASH *)bitmap)->address;
// Read color depth
colorDepth = *(flashAddress + 1);
// Draw picture
switch(colorDepth)
{
case 1: PutImage1BPP(left, top, flashAddress, stretch); break;
case 4: PutImage4BPP(left, top, flashAddress, stretch); break;
case 8: PutImage8BPP(left, top, flashAddress, stretch); break;
case 16: PutImage16BPP(left, top, flashAddress, stretch); break;
}
break;
#endif
#ifdef USE_BITMAP_EXTERNAL
case EXTERNAL:
// Get color depth
ExternalMemoryCallback(bitmap, 1, 1, &colorDepth);
// Draw picture
switch(colorDepth)
{
case 1: PutImage1BPPExt(left, top, bitmap, stretch); break;
case 4: PutImage4BPPExt(left, top, bitmap, stretch); break;
case 8: PutImage8BPPExt(left, top, bitmap, stretch); break;
case 16: PutImage16BPPExt(left, top, bitmap, stretch); break;
default: break;
}
break;
#endif
default:
break;
}
// Restore current color
_color = colorTemp;
return (1);
}
#ifdef USE_BITMAP_FLASH
/*********************************************************************
* Function: void PutImage1BPP(SHORT left, SHORT top, FLASH_BYTE* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner,
* bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs monochrome image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
void PutImage1BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch)
{
register FLASH_BYTE *flashAddress;
register FLASH_BYTE *tempFlashAddress;
BYTE temp;
WORD sizeX, sizeY;
WORD x, y;
BYTE stretchX, stretchY;
WORD pallete[2];
BYTE mask;
// Move pointer to size information
flashAddress = bitmap + 2;
// Read image size
sizeY = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
sizeX = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
pallete[0] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
pallete[1] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
CS_LAT_BIT = 0;
for(y = 0; y < sizeY; y++)
{
tempFlashAddress = flashAddress;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
flashAddress = tempFlashAddress;
SetAddress(left, top);
mask = 0;
for(x = 0; x < sizeX; x++)
{
// Read 8 pixels from flash
if(mask == 0)
{
temp = *flashAddress;
flashAddress++;
mask = 0x80;
}
// Set color
if(mask & temp)
{
SetColor(pallete[1]);
}
else
{
SetColor(pallete[0]);
}
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
// Shift to the next pixel
mask >>= 1;
}
top++;
}
}
CS_LAT_BIT = 1;
}
/*********************************************************************
* Function: void PutImage4BPP(SHORT left, SHORT top, FLASH_BYTE* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs 16 color image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
void PutImage4BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch)
{
register FLASH_BYTE *flashAddress;
register FLASH_BYTE *tempFlashAddress;
WORD sizeX, sizeY;
register WORD x, y;
BYTE temp;
register BYTE stretchX, stretchY;
WORD pallete[16];
WORD counter;
// Move pointer to size information
flashAddress = bitmap + 2;
// Read image size
sizeY = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
sizeX = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
// Read pallete
for(counter = 0; counter < 16; counter++)
{
pallete[counter] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
}
CS_LAT_BIT = 0;
for(y = 0; y < sizeY; y++)
{
tempFlashAddress = flashAddress;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
flashAddress = tempFlashAddress;
SetAddress(left, top);
for(x = 0; x < sizeX; x++)
{
// Read 2 pixels from flash
if(x & 0x0001)
{
// second pixel in byte
SetColor(pallete[temp >> 4]);
}
else
{
temp = *flashAddress;
flashAddress++;
// first pixel in byte
SetColor(pallete[temp & 0x0f]);
}
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
}
top++;
}
}
CS_LAT_BIT = 1;
}
/*********************************************************************
* Function: void PutImage8BPP(SHORT left, SHORT top, FLASH_BYTE* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs 256 color image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
void PutImage8BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch)
{
register FLASH_BYTE *flashAddress;
register FLASH_BYTE *tempFlashAddress;
WORD sizeX, sizeY;
WORD x, y;
BYTE temp;
BYTE stretchX, stretchY;
WORD pallete[256];
WORD counter;
// Move pointer to size information
flashAddress = bitmap + 2;
// Read image size
sizeY = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
sizeX = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
// Read pallete
for(counter = 0; counter < 256; counter++)
{
pallete[counter] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
}
CS_LAT_BIT = 0;
for(y = 0; y < sizeY; y++)
{
tempFlashAddress = flashAddress;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
flashAddress = tempFlashAddress;
SetAddress(left, top);
for(x = 0; x < sizeX; x++)
{
// Read pixels from flash
temp = *flashAddress;
flashAddress++;
// Set color
SetColor(pallete[temp]);
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
}
top++;
}
}
CS_LAT_BIT = 1;
}
/*********************************************************************
* Function: void PutImage16BPP(SHORT left, SHORT top, FLASH_BYTE* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs hicolor image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
void PutImage16BPP(SHORT left, SHORT top, FLASH_BYTE *bitmap, BYTE stretch)
{
register FLASH_WORD *flashAddress;
register FLASH_WORD *tempFlashAddress;
WORD sizeX, sizeY;
register WORD x, y;
WORD temp;
register BYTE stretchX, stretchY;
// Move pointer to size information
flashAddress = (FLASH_WORD *)bitmap + 1;
// Read image size
sizeY = *flashAddress;
flashAddress++;
sizeX = *flashAddress;
flashAddress++;
CS_LAT_BIT = 0;
for(y = 0; y < sizeY; y++)
{
tempFlashAddress = flashAddress;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
flashAddress = tempFlashAddress;
SetAddress(left, top); //address.v[2],address.v[1],address.v[0]);
for(x = 0; x < sizeX; x++)
{
// Read pixels from flash
temp = *flashAddress;
flashAddress++;
// Set color
SetColor(temp);
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
}
top++;
}
}
CS_LAT_BIT = 1;
}
#endif
#ifdef USE_BITMAP_EXTERNAL
/*********************************************************************
* Function: void PutImage1BPPExt(SHORT left, SHORT top, void* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs monochrome image starting from left,top coordinates
*
* Note: image must be located in external memory
*
********************************************************************/
void PutImage1BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch)
{
register DWORD memOffset;
BITMAP_HEADER bmp;
WORD pallete[2];
BYTE lineBuffer[((GetMaxX() + 1) / 8) + 1];
BYTE *pData;
SHORT byteWidth;
BYTE temp;
BYTE mask;
WORD sizeX, sizeY;
WORD x, y;
BYTE stretchX, stretchY;
// Get bitmap header
ExternalMemoryCallback(bitmap, 0, sizeof(BITMAP_HEADER), &bmp);
// Get pallete (2 entries)
ExternalMemoryCallback(bitmap, sizeof(BITMAP_HEADER), 2 * sizeof(WORD), pallete);
// Set offset to the image data
memOffset = sizeof(BITMAP_HEADER) + 2 * sizeof(WORD);
// Line width in bytes
byteWidth = bmp.width >> 3;
if(bmp.width & 0x0007)
byteWidth++;
// Get size
sizeX = bmp.width;
sizeY = bmp.height;
for(y = 0; y < sizeY; y++)
{
// Get line
ExternalMemoryCallback(bitmap, memOffset, byteWidth, lineBuffer);
memOffset += byteWidth;
CS_LAT_BIT = 0;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
pData = lineBuffer;
SetAddress(left, top);
mask = 0;
for(x = 0; x < sizeX; x++)
{
// Read 8 pixels from flash
if(mask == 0)
{
temp = *pData++;
mask = 0x80;
}
// Set color
if(mask & temp)
{
SetColor(pallete[1]);
}
else
{
SetColor(pallete[0]);
}
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
// Shift to the next pixel
mask >>= 1;
}
top++;
}
CS_LAT_BIT = 1;
}
}
/*********************************************************************
* Function: void PutImage4BPPExt(SHORT left, SHORT top, void* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs monochrome image starting from left,top coordinates
*
* Note: image must be located in external memory
*
********************************************************************/
void PutImage4BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch)
{
register DWORD memOffset;
BITMAP_HEADER bmp;
WORD pallete[16];
BYTE lineBuffer[((GetMaxX() + 1) / 2) + 1];
BYTE *pData;
SHORT byteWidth;
BYTE temp;
WORD sizeX, sizeY;
WORD x, y;
BYTE stretchX, stretchY;
// Get bitmap header
ExternalMemoryCallback(bitmap, 0, sizeof(BITMAP_HEADER), &bmp);
// Get pallete (16 entries)
ExternalMemoryCallback(bitmap, sizeof(BITMAP_HEADER), 16 * sizeof(WORD), pallete);
// Set offset to the image data
memOffset = sizeof(BITMAP_HEADER) + 16 * sizeof(WORD);
// Line width in bytes
byteWidth = bmp.width >> 1;
if(bmp.width & 0x0001)
byteWidth++;
// Get size
sizeX = bmp.width;
sizeY = bmp.height;
for(y = 0; y < sizeY; y++)
{
// Get line
ExternalMemoryCallback(bitmap, memOffset, byteWidth, lineBuffer);
memOffset += byteWidth;
CS_LAT_BIT = 0;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
pData = lineBuffer;
SetAddress(left, top);
for(x = 0; x < sizeX; x++)
{
// Read 2 pixels from flash
if(x & 0x0001)
{
// second pixel in byte
SetColor(pallete[temp >> 4]);
}
else
{
temp = *pData++;
// first pixel in byte
SetColor(pallete[temp & 0x0f]);
}
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
}
top++;
}
CS_LAT_BIT = 1;
}
}
/*********************************************************************
* Function: void PutImage8BPPExt(SHORT left, SHORT top, void* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs monochrome image starting from left,top coordinates
*
* Note: image must be located in external memory
*
********************************************************************/
void PutImage8BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch)
{
register DWORD memOffset;
BITMAP_HEADER bmp;
WORD pallete[256];
BYTE lineBuffer[(GetMaxX() + 1)];
BYTE *pData;
BYTE temp;
WORD sizeX, sizeY;
WORD x, y;
BYTE stretchX, stretchY;
// Get bitmap header
ExternalMemoryCallback(bitmap, 0, sizeof(BITMAP_HEADER), &bmp);
// Get pallete (256 entries)
ExternalMemoryCallback(bitmap, sizeof(BITMAP_HEADER), 256 * sizeof(WORD), pallete);
// Set offset to the image data
memOffset = sizeof(BITMAP_HEADER) + 256 * sizeof(WORD);
// Get size
sizeX = bmp.width;
sizeY = bmp.height;
for(y = 0; y < sizeY; y++)
{
// Get line
ExternalMemoryCallback(bitmap, memOffset, sizeX, lineBuffer);
memOffset += sizeX;
CS_LAT_BIT = 0;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
pData = lineBuffer;
SetAddress(left, top);
for(x = 0; x < sizeX; x++)
{
temp = *pData++;
SetColor(pallete[temp]);
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
}
top++;
}
CS_LAT_BIT = 1;
}
}
/*********************************************************************
* Function: void PutImage16BPPExt(SHORT left, SHORT top, void* bitmap, BYTE stretch)
*
* PreCondition: none
*
* Input: left,top - left top image corner, bitmap - image pointer,
* stretch - image stretch factor
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs monochrome image starting from left,top coordinates
*
* Note: image must be located in external memory
*
********************************************************************/
void PutImage16BPPExt(SHORT left, SHORT top, void *bitmap, BYTE stretch)
{
register DWORD memOffset;
BITMAP_HEADER bmp;
WORD lineBuffer[(GetMaxX() + 1)];
WORD *pData;
WORD byteWidth;
WORD temp;
WORD sizeX, sizeY;
WORD x, y;
BYTE stretchX, stretchY;
// Get bitmap header
ExternalMemoryCallback(bitmap, 0, sizeof(BITMAP_HEADER), &bmp);
// Set offset to the image data
memOffset = sizeof(BITMAP_HEADER);
// Get size
sizeX = bmp.width;
sizeY = bmp.height;
byteWidth = sizeX << 1;
for(y = 0; y < sizeY; y++)
{
// Get line
ExternalMemoryCallback(bitmap, memOffset, byteWidth, lineBuffer);
memOffset += byteWidth;
CS_LAT_BIT = 0;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
pData = lineBuffer;
SetAddress(left, top);
for(x = 0; x < sizeX; x++)
{
temp = *pData++;
SetColor(temp);
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
WritePixel(_color);
}
}
top++;
}
CS_LAT_BIT = 1;
}
}
#endif // USE_DRV_PUTIMAGE
#endif
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