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00042 #include "board.h"
00043
00044 #include <stdint.h>
00045 #include <string.h>
00046 #include <assert.h>
00047
00048
00049
00050
00051 static void* gpCanvasBuffer = NULL;
00052 static uint32_t gwCanvasBufferSize;
00053 static uint32_t gwCanvasMaxWidth, gwCanvasMaxHeight;
00054 extern uint8_t ili9488_lcdMode;
00055
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065 static void LCDD_SetPixelColor(uint32_t x, uint32_t y, uint32_t color)
00066 {
00067 ILI9488_SetPixelColor(x, y, color);
00068 }
00069
00070
00071
00072
00073
00074
00075
00076 static void LCDD_FillSolidRect(uint16_t *pCanvasBuffer, rect rc, uint32_t dwColor )
00077 {
00078 uint32_t row, col;
00079 uint32_t w,h;
00080
00081
00082 w = rc.x + rc.width;
00083 w = w > gwCanvasMaxWidth ? gwCanvasMaxWidth : w;
00084 h = rc.y + rc.height;
00085 h = h > gwCanvasMaxHeight ? gwCanvasMaxHeight : h;
00086
00087 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00088 sBGR *p_buf = gpCanvasBuffer;
00089 if(pCanvasBuffer != NULL) p_buf = (sBGR *)((uint8_t*)pCanvasBuffer);
00090 if(NULL == p_buf) {
00091 for(row = rc.y; row < h; row++) {
00092 for(col = rc.x; col < w; col++) {
00093 LCDD_SetPixelColor(col, row, dwColor);
00094 }
00095 }
00096 return;
00097 }
00098
00099 for(row = rc.y; row < h; row++) {
00100 for(col = rc.x; col < w; col++) {
00101
00102 p_buf[row * gwCanvasMaxWidth + col].b = dwColor&0xFF;
00103 p_buf[row * gwCanvasMaxWidth + col].g = dwColor>>8;
00104 p_buf[row * gwCanvasMaxWidth + col].r = dwColor>>16;
00105 }
00106 }
00107 } else {
00108 uint16_t *p_buf = gpCanvasBuffer;
00109 if(pCanvasBuffer != NULL) p_buf = pCanvasBuffer;
00110
00111 for(row = rc.y; row < h; row++) {
00112 for(col = rc.x; col < w; col++) {
00113 p_buf[row * gwCanvasMaxWidth + col] = (uint16_t)dwColor;
00114 }
00115 }
00116 }
00117 }
00118
00119
00120
00121
00122
00123
00124
00125
00126 void LCDD_SetUpdateWindowSize(rect rc)
00127 {
00128 gwCanvasMaxWidth = rc.width + 1;
00129 gwCanvasMaxHeight = rc.height + 1;
00130 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00131 ILI9488_SpiSetWindow( rc.x, rc.y, rc.width, rc.height);
00132 } else {
00133 ILI9488_EbiSetWindow( rc.x, rc.y, rc.width, rc.height);
00134 }
00135 }
00136
00137
00138
00139
00140 void LCDD_UpdateWindow(void)
00141 {
00142 uint32_t size = 0;
00143 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00144 size = gwCanvasBufferSize / (sizeof(sBGR)) *3 ;
00145 ILI9488_SpiSendCommand(ILI9488_CMD_MEMORY_WRITE,
00146 (uint8_t*)gpCanvasBuffer, 0, AccessWrite, size);
00147 } else {
00148 size = gwCanvasBufferSize / sizeof(uint16_t);
00149 ILI9488_EbiSendCommand(ILI9488_CMD_MEMORY_WRITE,
00150 (uint16_t*)gpCanvasBuffer, 0, AccessWrite, size);
00151 }
00152 }
00153
00154
00155
00156
00157
00158
00159 void LCDD_UpdatePartialWindow(uint8_t* pCanvasBuffer,uint32_t size)
00160 {
00161 uint32_t cnt = 0;
00162 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00163 cnt = size/sizeof(sBGR) * 3;
00164 ILI9488_SpiSendCommand(ILI9488_CMD_MEMORY_WRITE,
00165 (uint8_t*)pCanvasBuffer, 0, AccessWrite, cnt);
00166 } else {
00167 cnt = size/sizeof(uint16_t);
00168 ILI9488_EbiSendCommand(ILI9488_CMD_MEMORY_WRITE,
00169 (uint16_t*)pCanvasBuffer, 0, AccessWrite, cnt);
00170 }
00171 }
00172
00173
00174
00175
00176
00177
00178
00179
00180
00181
00182 void LCDD_DrawRectangleWithFill(uint16_t *pCanvasBuffer, uint32_t dwX, uint32_t dwY, uint32_t dwWidth,
00183 uint32_t dwHeight, uint32_t dwColor)
00184 {
00185 rect rc;
00186 rc.x = dwX;
00187 rc.y = dwY;
00188 rc.width = dwWidth + 1;
00189 rc.height = dwHeight + 1;
00190 LCDD_FillSolidRect(pCanvasBuffer, rc , dwColor);
00191 }
00192
00193
00194
00195
00196
00197
00198
00199
00200
00201
00202 uint32_t LCDD_DrawCircle(uint16_t *pCanvasBuffer, uint32_t x, uint32_t y, uint32_t r, uint32_t color )
00203 {
00204 signed int d;
00205 uint32_t curX;
00206 uint32_t curY;
00207
00208 d = 3 - (r << 1);
00209 curX = 0;
00210 curY = r;
00211
00212 while (curX <= curY) {
00213 LCDD_DrawPixel(pCanvasBuffer, x + curX, y + curY, color);
00214 LCDD_DrawPixel(pCanvasBuffer, x + curX, y - curY, color);
00215 LCDD_DrawPixel(pCanvasBuffer, x - curX, y + curY, color);
00216 LCDD_DrawPixel(pCanvasBuffer, x - curX, y - curY, color);
00217 LCDD_DrawPixel(pCanvasBuffer, x + curY, y + curX, color);
00218 LCDD_DrawPixel(pCanvasBuffer, x + curY, y - curX, color);
00219 LCDD_DrawPixel(pCanvasBuffer, x - curY, y + curX, color);
00220 LCDD_DrawPixel(pCanvasBuffer, x - curY, y - curX, color);
00221
00222 if (d < 0) {
00223 d += (curX << 2) + 6;
00224 } else {
00225 d += ((curX - curY) << 2) + 10;
00226 curY--;
00227 }
00228 curX++;
00229 }
00230 return 0;
00231 }
00232
00233
00234
00235
00236
00237
00238
00239
00240
00241
00242 uint32_t LCD_DrawFilledCircle(uint16_t *pCanvasBuffer, uint32_t dwX, uint32_t dwY,
00243 uint32_t dwRadius, uint32_t color)
00244 {
00245 signed int d;
00246 uint32_t dwCurX;
00247 uint32_t dwCurY;
00248 uint32_t dwXmin, dwYmin;
00249
00250 if (dwRadius == 0) {
00251 return 0;
00252 }
00253 d = 3 - (dwRadius << 1);
00254 dwCurX = 0;
00255 dwCurY = dwRadius;
00256
00257 while ( dwCurX <= dwCurY ) {
00258 dwXmin = (dwCurX > dwX) ? 0 : dwX-dwCurX;
00259 dwYmin = (dwCurY > dwY) ? 0 : dwY-dwCurY;
00260 LCDD_DrawRectangleWithFill(pCanvasBuffer, dwXmin, dwYmin,
00261 dwX + dwCurX - dwXmin, 1 ,color);
00262 LCDD_DrawRectangleWithFill(pCanvasBuffer, dwXmin,
00263 dwY+dwCurY, dwX + dwCurX - dwXmin, 1,
00264 color );
00265 dwXmin = (dwCurY > dwX) ? 0 : dwX-dwCurY;
00266 dwYmin = (dwCurX > dwY) ? 0 : dwY-dwCurX;
00267 LCDD_DrawRectangleWithFill(pCanvasBuffer, dwXmin, dwYmin,
00268 dwX + dwCurY -dwXmin , 1, color );
00269 LCDD_DrawRectangleWithFill(pCanvasBuffer, dwXmin,
00270 dwY + dwCurX, dwX+dwCurY - dwXmin, 1,
00271 color );
00272 if ( d < 0 ) {
00273 d += (dwCurX << 2) + 6;
00274 } else {
00275 d += ((dwCurX - dwCurY) << 2) + 10;
00276 dwCurY--;
00277 }
00278 dwCurX++;
00279 }
00280
00281 return 0;
00282 }
00283
00284
00285
00286
00287
00288
00289
00290
00291
00292
00293 void LCDD_DrawString( uint16_t* pCanvasBuffer, uint32_t x, uint32_t y,
00294 const uint8_t *pString, uint32_t color )
00295 {
00296 uint32_t xorg = x;
00297
00298 while ( *pString != 0 ) {
00299 if ( *pString == '\n' ) {
00300 y += gFont.height + 2;
00301 x = xorg;
00302 } else {
00303 LCDD_DrawChar(pCanvasBuffer, x, y, *pString, color );
00304 x += gFont.width + 2;
00305 }
00306 pString++;
00307 }
00308 }
00309
00310
00311
00312
00313
00314
00315
00316
00317
00318
00319
00320 void LCDD_GetStringSize( const uint8_t *pString, uint32_t *pWidth,
00321 uint32_t *pHeight )
00322 {
00323 uint32_t width = 0;
00324 uint32_t height = gFont.height;
00325
00326 while ( *pString != 0 ) {
00327 if ( *pString == '\n' ) {
00328 height += gFont.height + 2;
00329 } else {
00330 width += gFont.width + 2;
00331 }
00332 pString++;
00333 }
00334
00335 if ( width > 0 ) {
00336 width -= 2;
00337 }
00338
00339 if ( pWidth != NULL ) {
00340 *pWidth = width;
00341 }
00342
00343 if ( pHeight != NULL ) {
00344 *pHeight = height;
00345 }
00346 }
00347
00348
00349
00350
00351
00352
00353
00354
00355
00356
00357
00358
00359
00360
00361
00362
00363
00364 void LCDD_BitBlt( uint16_t* pCanvasBuffer, uint32_t dst_x,uint32_t dst_y,uint32_t dst_w,uint32_t dst_h,
00365 const LcdColor_t *src,
00366 uint32_t src_x,uint32_t src_y,uint32_t src_w,uint32_t src_h)
00367 {
00368 uint32_t row,col;
00369 uint32_t src_row,src_col;
00370
00371
00372 src_h = src_h;
00373 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00374 sBGR *p_buf = gpCanvasBuffer;
00375 if(pCanvasBuffer != NULL) p_buf = (sBGR *)((uint8_t*)pCanvasBuffer);
00376
00377 SCB_CleanInvalidateDCache();
00378 for(src_row = src_y,row = dst_y; row < dst_h; row++,src_row++) {
00379 for(src_col = src_x,col = dst_x; col < dst_w; col++,src_col++) {
00380 p_buf[row * gwCanvasMaxWidth+col].r = src[src_row*src_w + src_col]&0xFF;
00381 p_buf[row * gwCanvasMaxWidth+col].g = src[src_row*src_w + src_col]>>8;
00382 p_buf[row * gwCanvasMaxWidth+col].b = src[src_row*src_w + src_col]>>16;
00383 }
00384 memory_barrier()
00385 }
00386 memory_barrier()
00387 } else {
00388 uint16_t *p_buf = gpCanvasBuffer;
00389 if(pCanvasBuffer != NULL) p_buf = pCanvasBuffer;
00390
00391 SCB_CleanInvalidateDCache();
00392 for(src_row = src_y,row = dst_y; row < dst_h; row++,src_row++) {
00393 for(src_col = src_x, col = dst_x; col < dst_w; col++,src_col++) {
00394 p_buf[row * gwCanvasMaxWidth+col] = src[src_row*src_w + src_col];
00395 }
00396 }
00397 memory_barrier()
00398 }
00399 }
00400
00401
00402
00403
00404
00405
00406
00407
00408
00409
00410
00411
00412
00413
00414
00415
00416
00417
00418 void LCDD_BitBltAlphaBlend(uint16_t* pCanvasBuffer,
00419 uint32_t dst_x,
00420 uint32_t dst_y,
00421 uint32_t dst_w,
00422 uint32_t dst_h,
00423 const LcdColor_t *src,
00424 uint32_t src_x,
00425 uint32_t src_y,
00426 uint32_t src_w,
00427 uint32_t src_h,
00428 uint32_t alpha)
00429 {
00430 uint32_t row,col;
00431 uint32_t src_row,src_col;
00432 uint32_t w,h;
00433 uint32_t dst_row;
00434 uint32_t r,g,b;
00435
00436 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00437 sBGR *p_buf = gpCanvasBuffer;
00438 if(pCanvasBuffer != NULL) p_buf = (sBGR *)((uint8_t*)pCanvasBuffer);
00439
00440
00441 SCB_CleanInvalidateDCache();
00442 for(src_row = src_y,row = dst_y; row < dst_h; row++,src_row++) {
00443 for(src_col = src_x,col = dst_x; col < dst_w; col++,src_col++) {
00444 p_buf[row *dst_w +col].r = src[src_row*src_w + src_col]&0xFF;
00445 p_buf[row *dst_w +col].g = src[src_row*src_w + src_col]>>8;
00446 p_buf[row *dst_w +col].b = src[src_row*src_w + src_col]>>16;
00447 }
00448 }
00449 memory_barrier()
00450 } else {
00451 uint16_t *p_buf = gpCanvasBuffer;
00452 if(pCanvasBuffer != NULL) p_buf = pCanvasBuffer;
00453 w = src_x + src_w;
00454 h = src_y + src_h;
00455 dst_row = dst_y;
00456 p_buf += (dst_row*dst_w + dst_x);
00457 src += src_y*w + src_x;
00458 SCB_CleanInvalidateDCache();
00459 for(src_row = src_y; src_row < h; src_row++,dst_row++) {
00460 for(src_col = src_x; src_col < w; src_col++){
00461 r = (p_buf[src_col] >> 11) * (255 - alpha) / 255 +
00462 (src[src_col] >> 11) * alpha / 255;
00463 if(r > 0x1F) r = 0x1F;
00464 g = ((p_buf[src_col] >> 5) & 0x3F) * (255 - alpha) / 255 +
00465 ((src[src_col] >> 5) & 0x3f) * alpha / 255;
00466 if(g > 0x3F) g = 0x3F;
00467 b = ((p_buf[src_col]) & 0x1F) * (255 - alpha) / 255
00468 + ((src[src_col]) & 0x1f) * alpha / 255;
00469 if(b > 0x1F) b = 0x1F;
00470 p_buf[src_col] = ((r & 0x1F) << 11)|((g & 0x3F) << 5)|( b & 0x1F);
00471 }
00472 p_buf += dst_w;
00473 src += w;
00474 }
00475 memory_barrier()
00476 }
00477 }
00478
00479
00480
00481
00482
00483
00484
00485
00486
00487
00488
00489 void LCDD_DrawImage(uint16_t* pCanvasBuffer, uint32_t dwX, uint32_t dwY,
00490 const LcdColor_t *pImage, uint32_t dwWidth, uint32_t dwHeight )
00491 {
00492
00493
00494
00495
00496 LCDD_BitBlt(pCanvasBuffer, dwX, dwY, dwWidth, dwHeight,
00497 pImage, 0, 0, dwWidth - dwX, dwHeight - dwY);
00498 }
00499
00500
00501
00502
00503
00504
00505
00506
00507
00508 void LCDD_DrawPixel(uint16_t* pCanvasBuffer, uint32_t x, uint32_t y, uint32_t color )
00509 {
00510
00511 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00512 sBGR *p_buf = gpCanvasBuffer;
00513 if(pCanvasBuffer != NULL) p_buf = (sBGR *)((uint8_t*)pCanvasBuffer);
00514 if(NULL == p_buf){
00515 LCDD_SetPixelColor(x, y, color);
00516 return;
00517 }
00518 p_buf += y * gwCanvasMaxWidth;
00519 p_buf += x;
00520 p_buf->b = color&0xFF;
00521 p_buf->g = color>>8;
00522 p_buf->r = color>>16;
00523 p_buf++;
00524 memory_barrier()
00525 } else {
00526 uint16_t *p_buf = gpCanvasBuffer;
00527 if(pCanvasBuffer != NULL) p_buf = pCanvasBuffer;
00528 p_buf += y * gwCanvasMaxWidth;
00529 p_buf += x;
00530 *p_buf = (uint16_t)color;
00531 }
00532 }
00533
00534
00535
00536
00537
00538
00539
00540
00541
00542
00543
00544 void LCDD_DrawLine(uint16_t* pCanvasBuffer, uint32_t dwX1, uint32_t dwY1,
00545 uint32_t dwX2, uint32_t dwY2 , uint32_t color )
00546 {
00547 if (( dwY1 == dwY2 ) || (dwX1 == dwX2)) {
00548
00549 LCDD_DrawStraightLine(pCanvasBuffer, dwX1, dwY1, dwX2, dwY2, color );
00550 } else {
00551 LCDD_DrawLineBresenham(pCanvasBuffer, dwX1, dwY1, dwX2, dwY2 , color);
00552 }
00553 }
00554
00555 void LCDD_DrawStraightLine(uint16_t* pCanvasBuffer, uint32_t dwX1, uint32_t dwY1,
00556 uint32_t dwX2, uint32_t dwY2 , uint32_t color )
00557 {
00558 uint32_t x,y;
00559 uint32_t tmp;
00560
00561 if(dwY1 > dwY2)
00562 {
00563 tmp = dwY1;
00564 dwY1 = dwY2;
00565 dwY2 = tmp;
00566 }
00567 if(dwX1 > dwX2)
00568 {
00569 tmp = dwX1;
00570 dwX1 = dwX2;
00571 dwX2 = tmp;
00572 }
00573 for(y = dwY1; y<=dwY2; y++)
00574 {
00575 for(x=dwX1;x<=dwX2;x++)
00576 {
00577 LCDD_DrawPixel(pCanvasBuffer, x , y , color);
00578 }
00579 }
00580 }
00581
00582
00583
00584
00585
00586
00587
00588
00589
00590
00591
00592 uint32_t LCDD_DrawLineBresenham(uint16_t* pCanvasBuffer, uint32_t dwX1,
00593 uint32_t dwY1, uint32_t dwX2, uint32_t dwY2 , uint32_t color)
00594 {
00595 int dx, dy;
00596 int i;
00597 int xinc, yinc, cumul;
00598 int x, y;
00599
00600 x = dwX1;
00601 y = dwY1;
00602 dx = dwX2 - dwX1;
00603 dy = dwY2 - dwY1;
00604
00605 xinc = ( dx > 0 ) ? 1 : -1;
00606 yinc = ( dy > 0 ) ? 1 : -1;
00607 dx = ( dx > 0 ) ? dx : -dx;
00608 dy = ( dy > 0 ) ? dy : -dy;
00609
00610 LCDD_DrawPixel(pCanvasBuffer, x , y , color);
00611
00612 if ( dx > dy ) {
00613 cumul = dx / 2;
00614 for ( i = 1; i <= dx; i++ ) {
00615 x += xinc;
00616 cumul += dy;
00617
00618 if ( cumul >= dx ) {
00619 cumul -= dx;
00620 y += yinc;
00621 }
00622 LCDD_DrawPixel(pCanvasBuffer, x , y , color);
00623 }
00624 } else {
00625 cumul = dy / 2;
00626 for ( i = 1; i <= dy; i++ ) {
00627 y += yinc;
00628 cumul += dx;
00629
00630 if ( cumul >= dy ) {
00631 cumul -= dy;
00632 x += xinc;
00633 }
00634 LCDD_DrawPixel(pCanvasBuffer, x , y , color);
00635 }
00636 }
00637
00638 return 0;
00639 }
00640
00641
00642
00643
00644
00645
00646
00647
00648
00649
00650
00651 void LCDD_DrawRectangle(uint16_t* pCanvasBuffer, uint32_t x, uint32_t y,
00652 uint32_t width, uint32_t height, uint32_t color )
00653 {
00654 LCDD_DrawRectangleWithFill(pCanvasBuffer, x, y, width, 1, color);
00655 LCDD_DrawRectangleWithFill(pCanvasBuffer, x, y, 1, height, color);
00656
00657 LCDD_DrawRectangleWithFill(pCanvasBuffer, x + width , y, 1, height, color);
00658 LCDD_DrawRectangleWithFill(pCanvasBuffer, x, y + height, width, 1, color);
00659 }
00660
00661
00662
00663
00664
00665
00666
00667 void LCDD_SetCavasBuffer( void* pCanvasBuffer, uint32_t wBufferSize)
00668 {
00669 if (ili9488_lcdMode == ILI9488_SPIMODE) {
00670 gpCanvasBuffer = (sBGR*)pCanvasBuffer;
00671 gwCanvasBufferSize = wBufferSize;
00672 } else {
00673 gpCanvasBuffer = (uint16_t*)pCanvasBuffer;
00674 gwCanvasBufferSize = wBufferSize;
00675 }
00676 }
00677
00678