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comparison libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_lcd.c @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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1 /** | |
2 ****************************************************************************** | |
3 * @file stm3210e_eval_lcd.c | |
4 * @author MCD Application Team | |
5 * @version V4.5.0 | |
6 * @date 07-March-2011 | |
7 * @brief This file includes the LCD driver for AM-240320L8TNQW00H | |
8 * (LCD_ILI9320) and AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal | |
9 * Display Module of STM3210E-EVAL board. | |
10 ****************************************************************************** | |
11 * @attention | |
12 * | |
13 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS | |
14 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE | |
15 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY | |
16 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING | |
17 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE | |
18 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. | |
19 * | |
20 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> | |
21 ****************************************************************************** | |
22 */ | |
23 | |
24 /* Includes ------------------------------------------------------------------*/ | |
25 #include "stm3210e_eval_lcd.h" | |
26 #include "../Common/fonts.c" | |
27 | |
28 /** @addtogroup Utilities | |
29 * @{ | |
30 */ | |
31 | |
32 /** @addtogroup STM32_EVAL | |
33 * @{ | |
34 */ | |
35 | |
36 /** @addtogroup STM3210E_EVAL | |
37 * @{ | |
38 */ | |
39 | |
40 /** @defgroup STM3210E_EVAL_LCD | |
41 * @brief This file includes the LCD driver for AM-240320L8TNQW00H | |
42 * (LCD_ILI9320) and AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal | |
43 * Display Module of STM3210E-EVAL board. | |
44 * @{ | |
45 */ | |
46 | |
47 /** @defgroup STM3210E_EVAL_LCD_Private_TypesDefinitions | |
48 * @{ | |
49 */ | |
50 typedef struct | |
51 { | |
52 __IO uint16_t LCD_REG; | |
53 __IO uint16_t LCD_RAM; | |
54 } LCD_TypeDef; | |
55 /** | |
56 * @} | |
57 */ | |
58 | |
59 | |
60 /** @defgroup STM3210E_EVAL_LCD_Private_Defines | |
61 * @{ | |
62 */ | |
63 /* Note: LCD /CS is CE4 - Bank 4 of NOR/SRAM Bank 1~4 */ | |
64 #define LCD_BASE ((uint32_t)(0x60000000 | 0x0C000000)) | |
65 #define LCD ((LCD_TypeDef *) LCD_BASE) | |
66 #define MAX_POLY_CORNERS 200 | |
67 #define POLY_Y(Z) ((int32_t)((Points + Z)->X)) | |
68 #define POLY_X(Z) ((int32_t)((Points + Z)->Y)) | |
69 /** | |
70 * @} | |
71 */ | |
72 | |
73 /** @defgroup STM3210E_EVAL_LCD_Private_Macros | |
74 * @{ | |
75 */ | |
76 #define ABS(X) ((X) > 0 ? (X) : -(X)) | |
77 /** | |
78 * @} | |
79 */ | |
80 | |
81 /** @defgroup STM3210E_EVAL_LCD_Private_Variables | |
82 * @{ | |
83 */ | |
84 static sFONT *LCD_Currentfonts; | |
85 /* Global variables to set the written text color */ | |
86 static __IO uint16_t TextColor = 0x0000, BackColor = 0xFFFF; | |
87 | |
88 /** | |
89 * @} | |
90 */ | |
91 | |
92 | |
93 /** @defgroup STM3210E_EVAL_LCD_Private_FunctionPrototypes | |
94 * @{ | |
95 */ | |
96 #ifndef USE_Delay | |
97 static void delay(vu32 nCount); | |
98 #endif /* USE_Delay*/ | |
99 static void PutPixel(int16_t x, int16_t y); | |
100 static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed); | |
101 /** | |
102 * @} | |
103 */ | |
104 | |
105 | |
106 /** @defgroup STM3210E_EVAL_LCD_Private_Functions | |
107 * @{ | |
108 */ | |
109 | |
110 /** | |
111 * @brief DeInitializes the LCD. | |
112 * @param None | |
113 * @retval None | |
114 */ | |
115 void LCD_DeInit(void) | |
116 { | |
117 GPIO_InitTypeDef GPIO_InitStructure; | |
118 | |
119 /*!< LCD Display Off */ | |
120 LCD_DisplayOff(); | |
121 | |
122 /* BANK 4 (of NOR/SRAM Bank 1~4) is disabled */ | |
123 FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE); | |
124 | |
125 /*!< LCD_SPI DeInit */ | |
126 FSMC_NORSRAMDeInit(FSMC_Bank1_NORSRAM4); | |
127 | |
128 /* Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14), | |
129 PD.10(D15), PD.14(D0), PD.15(D1) as input floating */ | |
130 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | | |
131 GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | | |
132 GPIO_Pin_15; | |
133 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; | |
134 GPIO_Init(GPIOD, &GPIO_InitStructure); | |
135 /* Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10), | |
136 PE.14(D11), PE.15(D12) as alternate function push pull */ | |
137 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | | |
138 GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | | |
139 GPIO_Pin_15; | |
140 GPIO_Init(GPIOE, &GPIO_InitStructure); | |
141 /* Set PF.00(A0 (RS)) as alternate function push pull */ | |
142 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; | |
143 GPIO_Init(GPIOF, &GPIO_InitStructure); | |
144 /* Set PG.12(NE4 (LCD/CS)) as alternate function push pull - CE3(LCD /CS) */ | |
145 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; | |
146 GPIO_Init(GPIOG, &GPIO_InitStructure); | |
147 } | |
148 | |
149 /** | |
150 * @brief Initializes the LCD. | |
151 * @param None | |
152 * @retval None | |
153 */ | |
154 void STM3210E_LCD_Init(void) | |
155 { | |
156 /* Configure the LCD Control pins --------------------------------------------*/ | |
157 LCD_CtrlLinesConfig(); | |
158 /* Configure the FSMC Parallel interface -------------------------------------*/ | |
159 LCD_FSMCConfig(); | |
160 | |
161 _delay_(5); /* delay 50 ms */ | |
162 /* Check if the LCD is SPFD5408B Controller */ | |
163 if(LCD_ReadReg(0x00) == 0x5408) | |
164 { | |
165 /* Start Initial Sequence ------------------------------------------------*/ | |
166 LCD_WriteReg(LCD_REG_1, 0x0100); /* Set SS bit */ | |
167 LCD_WriteReg(LCD_REG_2, 0x0700); /* Set 1 line inversion */ | |
168 LCD_WriteReg(LCD_REG_3, 0x1030); /* Set GRAM write direction and BGR=1. */ | |
169 LCD_WriteReg(LCD_REG_4, 0x0000); /* Resize register */ | |
170 LCD_WriteReg(LCD_REG_8, 0x0202); /* Set the back porch and front porch */ | |
171 LCD_WriteReg(LCD_REG_9, 0x0000); /* Set non-display area refresh cycle ISC[3:0] */ | |
172 LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */ | |
173 LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB 18-bit System interface setting */ | |
174 LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */ | |
175 LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity, no impact */ | |
176 /* Power On sequence -----------------------------------------------------*/ | |
177 LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ | |
178 LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ | |
179 LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */ | |
180 LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */ | |
181 _delay_(20); /* Dis-charge capacitor power voltage (200ms) */ | |
182 LCD_WriteReg(LCD_REG_17, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */ | |
183 _delay_(5); /* Delay 50 ms */ | |
184 LCD_WriteReg(LCD_REG_16, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ | |
185 _delay_(5); /* Delay 50 ms */ | |
186 LCD_WriteReg(LCD_REG_18, 0x01BD); /* External reference voltage= Vci */ | |
187 _delay_(5); | |
188 LCD_WriteReg(LCD_REG_19, 0x1400); /* VDV[4:0] for VCOM amplitude */ | |
189 LCD_WriteReg(LCD_REG_41, 0x000E); /* VCM[4:0] for VCOMH */ | |
190 _delay_(5); /* Delay 50 ms */ | |
191 LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */ | |
192 LCD_WriteReg(LCD_REG_33, 0x013F); /* GRAM Vertical Address */ | |
193 /* Adjust the Gamma Curve (SPFD5408B)-------------------------------------*/ | |
194 LCD_WriteReg(LCD_REG_48, 0x0b0d); | |
195 LCD_WriteReg(LCD_REG_49, 0x1923); | |
196 LCD_WriteReg(LCD_REG_50, 0x1c26); | |
197 LCD_WriteReg(LCD_REG_51, 0x261c); | |
198 LCD_WriteReg(LCD_REG_52, 0x2419); | |
199 LCD_WriteReg(LCD_REG_53, 0x0d0b); | |
200 LCD_WriteReg(LCD_REG_54, 0x1006); | |
201 LCD_WriteReg(LCD_REG_55, 0x0610); | |
202 LCD_WriteReg(LCD_REG_56, 0x0706); | |
203 LCD_WriteReg(LCD_REG_57, 0x0304); | |
204 LCD_WriteReg(LCD_REG_58, 0x0e05); | |
205 LCD_WriteReg(LCD_REG_59, 0x0e01); | |
206 LCD_WriteReg(LCD_REG_60, 0x010e); | |
207 LCD_WriteReg(LCD_REG_61, 0x050e); | |
208 LCD_WriteReg(LCD_REG_62, 0x0403); | |
209 LCD_WriteReg(LCD_REG_63, 0x0607); | |
210 /* Set GRAM area ---------------------------------------------------------*/ | |
211 LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */ | |
212 LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */ | |
213 LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */ | |
214 LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */ | |
215 LCD_WriteReg(LCD_REG_96, 0xA700); /* Gate Scan Line */ | |
216 LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL, VLE, REV */ | |
217 LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */ | |
218 /* Partial Display Control -----------------------------------------------*/ | |
219 LCD_WriteReg(LCD_REG_128, 0x0000); | |
220 LCD_WriteReg(LCD_REG_129, 0x0000); | |
221 LCD_WriteReg(LCD_REG_130, 0x0000); | |
222 LCD_WriteReg(LCD_REG_131, 0x0000); | |
223 LCD_WriteReg(LCD_REG_132, 0x0000); | |
224 LCD_WriteReg(LCD_REG_133, 0x0000); | |
225 /* Panel Control ---------------------------------------------------------*/ | |
226 LCD_WriteReg(LCD_REG_144, 0x0010); | |
227 LCD_WriteReg(LCD_REG_146, 0x0000); | |
228 LCD_WriteReg(LCD_REG_147, 0x0003); | |
229 LCD_WriteReg(LCD_REG_149, 0x0110); | |
230 LCD_WriteReg(LCD_REG_151, 0x0000); | |
231 LCD_WriteReg(LCD_REG_152, 0x0000); | |
232 /* Set GRAM write direction and BGR=1 | |
233 I/D=01 (Horizontal : increment, Vertical : decrement) | |
234 AM=1 (address is updated in vertical writing direction) */ | |
235 LCD_WriteReg(LCD_REG_3, 0x1018); | |
236 LCD_WriteReg(LCD_REG_7, 0x0112); /* 262K color and display ON */ | |
237 LCD_SetFont(&LCD_DEFAULT_FONT); | |
238 return; | |
239 } | |
240 /* Start Initial Sequence ----------------------------------------------------*/ | |
241 LCD_WriteReg(LCD_REG_229,0x8000); /* Set the internal vcore voltage */ | |
242 LCD_WriteReg(LCD_REG_0, 0x0001); /* Start internal OSC. */ | |
243 LCD_WriteReg(LCD_REG_1, 0x0100); /* set SS and SM bit */ | |
244 LCD_WriteReg(LCD_REG_2, 0x0700); /* set 1 line inversion */ | |
245 LCD_WriteReg(LCD_REG_3, 0x1030); /* set GRAM write direction and BGR=1. */ | |
246 LCD_WriteReg(LCD_REG_4, 0x0000); /* Resize register */ | |
247 LCD_WriteReg(LCD_REG_8, 0x0202); /* set the back porch and front porch */ | |
248 LCD_WriteReg(LCD_REG_9, 0x0000); /* set non-display area refresh cycle ISC[3:0] */ | |
249 LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */ | |
250 LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */ | |
251 LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */ | |
252 LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */ | |
253 /* Power On sequence ---------------------------------------------------------*/ | |
254 LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ | |
255 LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ | |
256 LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */ | |
257 LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */ | |
258 _delay_(20); /* Dis-charge capacitor power voltage (200ms) */ | |
259 LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ | |
260 LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */ | |
261 _delay_(5); /* Delay 50 ms */ | |
262 LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */ | |
263 _delay_(5); /* Delay 50 ms */ | |
264 LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */ | |
265 LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */ | |
266 _delay_(5); /* Delay 50 ms */ | |
267 LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */ | |
268 LCD_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */ | |
269 /* Adjust the Gamma Curve ----------------------------------------------------*/ | |
270 LCD_WriteReg(LCD_REG_48, 0x0006); | |
271 LCD_WriteReg(LCD_REG_49, 0x0101); | |
272 LCD_WriteReg(LCD_REG_50, 0x0003); | |
273 LCD_WriteReg(LCD_REG_53, 0x0106); | |
274 LCD_WriteReg(LCD_REG_54, 0x0b02); | |
275 LCD_WriteReg(LCD_REG_55, 0x0302); | |
276 LCD_WriteReg(LCD_REG_56, 0x0707); | |
277 LCD_WriteReg(LCD_REG_57, 0x0007); | |
278 LCD_WriteReg(LCD_REG_60, 0x0600); | |
279 LCD_WriteReg(LCD_REG_61, 0x020b); | |
280 | |
281 /* Set GRAM area -------------------------------------------------------------*/ | |
282 LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */ | |
283 LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */ | |
284 LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */ | |
285 LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */ | |
286 LCD_WriteReg(LCD_REG_96, 0x2700); /* Gate Scan Line */ | |
287 LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */ | |
288 LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */ | |
289 /* Partial Display Control ---------------------------------------------------*/ | |
290 LCD_WriteReg(LCD_REG_128, 0x0000); | |
291 LCD_WriteReg(LCD_REG_129, 0x0000); | |
292 LCD_WriteReg(LCD_REG_130, 0x0000); | |
293 LCD_WriteReg(LCD_REG_131, 0x0000); | |
294 LCD_WriteReg(LCD_REG_132, 0x0000); | |
295 LCD_WriteReg(LCD_REG_133, 0x0000); | |
296 /* Panel Control -------------------------------------------------------------*/ | |
297 LCD_WriteReg(LCD_REG_144, 0x0010); | |
298 LCD_WriteReg(LCD_REG_146, 0x0000); | |
299 LCD_WriteReg(LCD_REG_147, 0x0003); | |
300 LCD_WriteReg(LCD_REG_149, 0x0110); | |
301 LCD_WriteReg(LCD_REG_151, 0x0000); | |
302 LCD_WriteReg(LCD_REG_152, 0x0000); | |
303 /* Set GRAM write direction and BGR = 1 */ | |
304 /* I/D=01 (Horizontal : increment, Vertical : decrement) */ | |
305 /* AM=1 (address is updated in vertical writing direction) */ | |
306 LCD_WriteReg(LCD_REG_3, 0x1018); | |
307 LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */ | |
308 LCD_SetFont(&LCD_DEFAULT_FONT); | |
309 } | |
310 | |
311 /** | |
312 * @brief Sets the LCD Text and Background colors. | |
313 * @param _TextColor: specifies the Text Color. | |
314 * @param _BackColor: specifies the Background Color. | |
315 * @retval None | |
316 */ | |
317 void LCD_SetColors(__IO uint16_t _TextColor, __IO uint16_t _BackColor) | |
318 { | |
319 TextColor = _TextColor; | |
320 BackColor = _BackColor; | |
321 } | |
322 | |
323 /** | |
324 * @brief Gets the LCD Text and Background colors. | |
325 * @param _TextColor: pointer to the variable that will contain the Text | |
326 Color. | |
327 * @param _BackColor: pointer to the variable that will contain the Background | |
328 Color. | |
329 * @retval None | |
330 */ | |
331 void LCD_GetColors(__IO uint16_t *_TextColor, __IO uint16_t *_BackColor) | |
332 { | |
333 *_TextColor = TextColor; *_BackColor = BackColor; | |
334 } | |
335 | |
336 /** | |
337 * @brief Sets the Text color. | |
338 * @param Color: specifies the Text color code RGB(5-6-5). | |
339 * @retval None | |
340 */ | |
341 void LCD_SetTextColor(__IO uint16_t Color) | |
342 { | |
343 TextColor = Color; | |
344 } | |
345 | |
346 | |
347 /** | |
348 * @brief Sets the Background color. | |
349 * @param Color: specifies the Background color code RGB(5-6-5). | |
350 * @retval None | |
351 */ | |
352 void LCD_SetBackColor(__IO uint16_t Color) | |
353 { | |
354 BackColor = Color; | |
355 } | |
356 | |
357 /** | |
358 * @brief Sets the Text Font. | |
359 * @param fonts: specifies the font to be used. | |
360 * @retval None | |
361 */ | |
362 void LCD_SetFont(sFONT *fonts) | |
363 { | |
364 LCD_Currentfonts = fonts; | |
365 } | |
366 | |
367 /** | |
368 * @brief Gets the Text Font. | |
369 * @param None. | |
370 * @retval the used font. | |
371 */ | |
372 sFONT *LCD_GetFont(void) | |
373 { | |
374 return LCD_Currentfonts; | |
375 } | |
376 | |
377 /** | |
378 * @brief Clears the selected line. | |
379 * @param Line: the Line to be cleared. | |
380 * This parameter can be one of the following values: | |
381 * @arg Linex: where x can be 0..n | |
382 * @retval None | |
383 */ | |
384 void LCD_ClearLine(uint8_t Line) | |
385 { | |
386 uint16_t refcolumn = LCD_PIXEL_WIDTH - 1; | |
387 /* Send the string character by character on lCD */ | |
388 while (((refcolumn + 1)&0xFFFF) >= LCD_Currentfonts->Width) | |
389 { | |
390 /* Display one character on LCD */ | |
391 LCD_DisplayChar(Line, refcolumn, ' '); | |
392 /* Decrement the column position by 16 */ | |
393 refcolumn -= LCD_Currentfonts->Width; | |
394 } | |
395 } | |
396 | |
397 | |
398 /** | |
399 * @brief Clears the hole LCD. | |
400 * @param Color: the color of the background. | |
401 * @retval None | |
402 */ | |
403 void LCD_Clear(uint16_t Color) | |
404 { | |
405 uint32_t index = 0; | |
406 | |
407 LCD_SetCursor(0x00, 0x013F); | |
408 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
409 for(index = 0; index < 76800; index++) | |
410 { | |
411 LCD->LCD_RAM = Color; | |
412 } | |
413 } | |
414 | |
415 | |
416 /** | |
417 * @brief Sets the cursor position. | |
418 * @param Xpos: specifies the X position. | |
419 * @param Ypos: specifies the Y position. | |
420 * @retval None | |
421 */ | |
422 void LCD_SetCursor(uint8_t Xpos, uint16_t Ypos) | |
423 { | |
424 LCD_WriteReg(LCD_REG_32, Xpos); | |
425 LCD_WriteReg(LCD_REG_33, Ypos); | |
426 } | |
427 | |
428 | |
429 /** | |
430 * @brief Draws a character on LCD. | |
431 * @param Xpos: the Line where to display the character shape. | |
432 * @param Ypos: start column address. | |
433 * @param c: pointer to the character data. | |
434 * @retval None | |
435 */ | |
436 void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c) | |
437 { | |
438 uint32_t index = 0, i = 0; | |
439 uint8_t Xaddress = 0; | |
440 | |
441 Xaddress = Xpos; | |
442 | |
443 LCD_SetCursor(Xaddress, Ypos); | |
444 | |
445 for(index = 0; index < LCD_Currentfonts->Height; index++) | |
446 { | |
447 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
448 for(i = 0; i < LCD_Currentfonts->Width; i++) | |
449 { | |
450 if((((c[index] & ((0x80 << ((LCD_Currentfonts->Width / 12 ) * 8 ) ) >> i)) == 0x00) &&(LCD_Currentfonts->Width <= 12))|| | |
451 (((c[index] & (0x1 << i)) == 0x00)&&(LCD_Currentfonts->Width > 12 ))) | |
452 | |
453 { | |
454 LCD_WriteRAM(BackColor); | |
455 } | |
456 else | |
457 { | |
458 LCD_WriteRAM(TextColor); | |
459 } | |
460 } | |
461 Xaddress++; | |
462 LCD_SetCursor(Xaddress, Ypos); | |
463 } | |
464 } | |
465 | |
466 | |
467 /** | |
468 * @brief Displays one character (16dots width, 24dots height). | |
469 * @param Line: the Line where to display the character shape . | |
470 * This parameter can be one of the following values: | |
471 * @arg Linex: where x can be 0..9 | |
472 * @param Column: start column address. | |
473 * @param Ascii: character ascii code, must be between 0x20 and 0x7E. | |
474 * @retval None | |
475 */ | |
476 void LCD_DisplayChar(uint8_t Line, uint16_t Column, uint8_t Ascii) | |
477 { | |
478 Ascii -= 32; | |
479 LCD_DrawChar(Line, Column, &LCD_Currentfonts->table[Ascii * LCD_Currentfonts->Height]); | |
480 } | |
481 | |
482 | |
483 /** | |
484 * @brief Displays a maximum of 20 char on the LCD. | |
485 * @param Line: the Line where to display the character shape . | |
486 * This parameter can be one of the following values: | |
487 * @arg Linex: where x can be 0..9 | |
488 * @param *ptr: pointer to string to display on LCD. | |
489 * @retval None | |
490 */ | |
491 void LCD_DisplayStringLine(uint8_t Line, uint8_t *ptr) | |
492 { | |
493 uint16_t refcolumn = LCD_PIXEL_WIDTH - 1; | |
494 | |
495 /* Send the string character by character on lCD */ | |
496 while ((*ptr != 0) & (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width)) | |
497 { | |
498 /* Display one character on LCD */ | |
499 LCD_DisplayChar(Line, refcolumn, *ptr); | |
500 /* Decrement the column position by 16 */ | |
501 refcolumn -= LCD_Currentfonts->Width; | |
502 /* Point on the next character */ | |
503 ptr++; | |
504 } | |
505 } | |
506 | |
507 | |
508 /** | |
509 * @brief Sets a display window | |
510 * @param Xpos: specifies the X buttom left position. | |
511 * @param Ypos: specifies the Y buttom left position. | |
512 * @param Height: display window height. | |
513 * @param Width: display window width. | |
514 * @retval None | |
515 */ | |
516 void LCD_SetDisplayWindow(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width) | |
517 { | |
518 /* Horizontal GRAM Start Address */ | |
519 if(Xpos >= Height) | |
520 { | |
521 LCD_WriteReg(LCD_REG_80, (Xpos - Height + 1)); | |
522 } | |
523 else | |
524 { | |
525 LCD_WriteReg(LCD_REG_80, 0); | |
526 } | |
527 /* Horizontal GRAM End Address */ | |
528 LCD_WriteReg(LCD_REG_81, Xpos); | |
529 /* Vertical GRAM Start Address */ | |
530 if(Ypos >= Width) | |
531 { | |
532 LCD_WriteReg(LCD_REG_82, (Ypos - Width + 1)); | |
533 } | |
534 else | |
535 { | |
536 LCD_WriteReg(LCD_REG_82, 0); | |
537 } | |
538 /* Vertical GRAM End Address */ | |
539 LCD_WriteReg(LCD_REG_83, Ypos); | |
540 LCD_SetCursor(Xpos, Ypos); | |
541 } | |
542 | |
543 | |
544 /** | |
545 * @brief Disables LCD Window mode. | |
546 * @param None | |
547 * @retval None | |
548 */ | |
549 void LCD_WindowModeDisable(void) | |
550 { | |
551 LCD_SetDisplayWindow(239, 0x13F, 240, 320); | |
552 LCD_WriteReg(LCD_REG_3, 0x1018); | |
553 } | |
554 | |
555 | |
556 /** | |
557 * @brief Displays a line. | |
558 * @param Xpos: specifies the X position. | |
559 * @param Ypos: specifies the Y position. | |
560 * @param Length: line length. | |
561 * @param Direction: line direction. | |
562 * This parameter can be one of the following values: Vertical or Horizontal. | |
563 * @retval None | |
564 */ | |
565 void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction) | |
566 { | |
567 uint32_t i = 0; | |
568 | |
569 LCD_SetCursor(Xpos, Ypos); | |
570 if(Direction == LCD_DIR_HORIZONTAL) | |
571 { | |
572 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
573 for(i = 0; i < Length; i++) | |
574 { | |
575 LCD_WriteRAM(TextColor); | |
576 } | |
577 } | |
578 else | |
579 { | |
580 for(i = 0; i < Length; i++) | |
581 { | |
582 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
583 LCD_WriteRAM(TextColor); | |
584 Xpos++; | |
585 LCD_SetCursor(Xpos, Ypos); | |
586 } | |
587 } | |
588 } | |
589 | |
590 | |
591 /** | |
592 * @brief Displays a rectangle. | |
593 * @param Xpos: specifies the X position. | |
594 * @param Ypos: specifies the Y position. | |
595 * @param Height: display rectangle height. | |
596 * @param Width: display rectangle width. | |
597 * @retval None | |
598 */ | |
599 void LCD_DrawRect(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width) | |
600 { | |
601 LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL); | |
602 LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL); | |
603 | |
604 LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL); | |
605 LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL); | |
606 } | |
607 | |
608 | |
609 /** | |
610 * @brief Displays a circle. | |
611 * @param Xpos: specifies the X position. | |
612 * @param Ypos: specifies the Y position. | |
613 * @param Radius | |
614 * @retval None | |
615 */ | |
616 void LCD_DrawCircle(uint8_t Xpos, uint16_t Ypos, uint16_t Radius) | |
617 { | |
618 int32_t D;/* Decision Variable */ | |
619 uint32_t CurX;/* Current X Value */ | |
620 uint32_t CurY;/* Current Y Value */ | |
621 | |
622 D = 3 - (Radius << 1); | |
623 CurX = 0; | |
624 CurY = Radius; | |
625 | |
626 while (CurX <= CurY) | |
627 { | |
628 LCD_SetCursor(Xpos + CurX, Ypos + CurY); | |
629 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
630 LCD_WriteRAM(TextColor); | |
631 LCD_SetCursor(Xpos + CurX, Ypos - CurY); | |
632 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
633 LCD_WriteRAM(TextColor); | |
634 LCD_SetCursor(Xpos - CurX, Ypos + CurY); | |
635 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
636 LCD_WriteRAM(TextColor); | |
637 LCD_SetCursor(Xpos - CurX, Ypos - CurY); | |
638 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
639 LCD_WriteRAM(TextColor); | |
640 LCD_SetCursor(Xpos + CurY, Ypos + CurX); | |
641 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
642 LCD_WriteRAM(TextColor); | |
643 LCD_SetCursor(Xpos + CurY, Ypos - CurX); | |
644 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
645 LCD_WriteRAM(TextColor); | |
646 LCD_SetCursor(Xpos - CurY, Ypos + CurX); | |
647 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
648 LCD_WriteRAM(TextColor); | |
649 LCD_SetCursor(Xpos - CurY, Ypos - CurX); | |
650 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
651 LCD_WriteRAM(TextColor); | |
652 if (D < 0) | |
653 { | |
654 D += (CurX << 2) + 6; | |
655 } | |
656 else | |
657 { | |
658 D += ((CurX - CurY) << 2) + 10; | |
659 CurY--; | |
660 } | |
661 CurX++; | |
662 } | |
663 } | |
664 | |
665 | |
666 /** | |
667 * @brief Displays a monocolor picture. | |
668 * @param Pict: pointer to the picture array. | |
669 * @retval None | |
670 */ | |
671 void LCD_DrawMonoPict(const uint32_t *Pict) | |
672 { | |
673 uint32_t index = 0, i = 0; | |
674 LCD_SetCursor(0, (LCD_PIXEL_WIDTH - 1)); | |
675 LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */ | |
676 for(index = 0; index < 2400; index++) | |
677 { | |
678 for(i = 0; i < 32; i++) | |
679 { | |
680 if((Pict[index] & (1 << i)) == 0x00) | |
681 { | |
682 LCD_WriteRAM(BackColor); | |
683 } | |
684 else | |
685 { | |
686 LCD_WriteRAM(TextColor); | |
687 } | |
688 } | |
689 } | |
690 } | |
691 | |
692 | |
693 /** | |
694 * @brief Displays a bitmap picture loaded in the internal Flash. | |
695 * @param BmpAddress: Bmp picture address in the internal Flash. | |
696 * @retval None | |
697 */ | |
698 void LCD_WriteBMP(uint32_t BmpAddress) | |
699 { | |
700 uint32_t index = 0, size = 0; | |
701 /* Read bitmap size */ | |
702 size = *(__IO uint16_t *) (BmpAddress + 2); | |
703 size |= (*(__IO uint16_t *) (BmpAddress + 4)) << 16; | |
704 /* Get bitmap data address offset */ | |
705 index = *(__IO uint16_t *) (BmpAddress + 10); | |
706 index |= (*(__IO uint16_t *) (BmpAddress + 12)) << 16; | |
707 size = (size - index)/2; | |
708 BmpAddress += index; | |
709 /* Set GRAM write direction and BGR = 1 */ | |
710 /* I/D=00 (Horizontal : decrement, Vertical : decrement) */ | |
711 /* AM=1 (address is updated in vertical writing direction) */ | |
712 LCD_WriteReg(LCD_REG_3, 0x1008); | |
713 | |
714 LCD_WriteRAM_Prepare(); | |
715 | |
716 for(index = 0; index < size; index++) | |
717 { | |
718 LCD_WriteRAM(*(__IO uint16_t *)BmpAddress); | |
719 BmpAddress += 2; | |
720 } | |
721 | |
722 /* Set GRAM write direction and BGR = 1 */ | |
723 /* I/D = 01 (Horizontal : increment, Vertical : decrement) */ | |
724 /* AM = 1 (address is updated in vertical writing direction) */ | |
725 LCD_WriteReg(LCD_REG_3, 0x1018); | |
726 } | |
727 | |
728 /** | |
729 * @brief Displays a full rectangle. | |
730 * @param Xpos: specifies the X position. | |
731 * @param Ypos: specifies the Y position. | |
732 * @param Height: rectangle height. | |
733 * @param Width: rectangle width. | |
734 * @retval None | |
735 */ | |
736 void LCD_DrawFullRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) | |
737 { | |
738 LCD_SetTextColor(TextColor); | |
739 | |
740 LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL); | |
741 LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL); | |
742 | |
743 LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL); | |
744 LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL); | |
745 | |
746 Width -= 2; | |
747 Height--; | |
748 Ypos--; | |
749 | |
750 LCD_SetTextColor(BackColor); | |
751 | |
752 while(Height--) | |
753 { | |
754 LCD_DrawLine(++Xpos, Ypos, Width, LCD_DIR_HORIZONTAL); | |
755 } | |
756 | |
757 LCD_SetTextColor(TextColor); | |
758 } | |
759 | |
760 /** | |
761 * @brief Displays a full circle. | |
762 * @param Xpos: specifies the X position. | |
763 * @param Ypos: specifies the Y position. | |
764 * @param Radius | |
765 * @retval None | |
766 */ | |
767 void LCD_DrawFullCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius) | |
768 { | |
769 int32_t D; /* Decision Variable */ | |
770 uint32_t CurX;/* Current X Value */ | |
771 uint32_t CurY;/* Current Y Value */ | |
772 | |
773 D = 3 - (Radius << 1); | |
774 | |
775 CurX = 0; | |
776 CurY = Radius; | |
777 | |
778 LCD_SetTextColor(BackColor); | |
779 | |
780 while (CurX <= CurY) | |
781 { | |
782 if(CurY > 0) | |
783 { | |
784 LCD_DrawLine(Xpos - CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL); | |
785 LCD_DrawLine(Xpos + CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL); | |
786 } | |
787 | |
788 if(CurX > 0) | |
789 { | |
790 LCD_DrawLine(Xpos - CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL); | |
791 LCD_DrawLine(Xpos + CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL); | |
792 } | |
793 if (D < 0) | |
794 { | |
795 D += (CurX << 2) + 6; | |
796 } | |
797 else | |
798 { | |
799 D += ((CurX - CurY) << 2) + 10; | |
800 CurY--; | |
801 } | |
802 CurX++; | |
803 } | |
804 | |
805 LCD_SetTextColor(TextColor); | |
806 LCD_DrawCircle(Xpos, Ypos, Radius); | |
807 } | |
808 | |
809 /** | |
810 * @brief Displays an uni line (between two points). | |
811 * @param x1: specifies the point 1 x position. | |
812 * @param y1: specifies the point 1 y position. | |
813 * @param x2: specifies the point 2 x position. | |
814 * @param y2: specifies the point 2 y position. | |
815 * @retval None | |
816 */ | |
817 void LCD_DrawUniLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) | |
818 { | |
819 int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, | |
820 yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, | |
821 curpixel = 0; | |
822 | |
823 deltax = ABS(x2 - x1); /* The difference between the x's */ | |
824 deltay = ABS(y2 - y1); /* The difference between the y's */ | |
825 x = x1; /* Start x off at the first pixel */ | |
826 y = y1; /* Start y off at the first pixel */ | |
827 | |
828 if (x2 >= x1) /* The x-values are increasing */ | |
829 { | |
830 xinc1 = 1; | |
831 xinc2 = 1; | |
832 } | |
833 else /* The x-values are decreasing */ | |
834 { | |
835 xinc1 = -1; | |
836 xinc2 = -1; | |
837 } | |
838 | |
839 if (y2 >= y1) /* The y-values are increasing */ | |
840 { | |
841 yinc1 = 1; | |
842 yinc2 = 1; | |
843 } | |
844 else /* The y-values are decreasing */ | |
845 { | |
846 yinc1 = -1; | |
847 yinc2 = -1; | |
848 } | |
849 | |
850 if (deltax >= deltay) /* There is at least one x-value for every y-value */ | |
851 { | |
852 xinc1 = 0; /* Don't change the x when numerator >= denominator */ | |
853 yinc2 = 0; /* Don't change the y for every iteration */ | |
854 den = deltax; | |
855 num = deltax / 2; | |
856 numadd = deltay; | |
857 numpixels = deltax; /* There are more x-values than y-values */ | |
858 } | |
859 else /* There is at least one y-value for every x-value */ | |
860 { | |
861 xinc2 = 0; /* Don't change the x for every iteration */ | |
862 yinc1 = 0; /* Don't change the y when numerator >= denominator */ | |
863 den = deltay; | |
864 num = deltay / 2; | |
865 numadd = deltax; | |
866 numpixels = deltay; /* There are more y-values than x-values */ | |
867 } | |
868 | |
869 for (curpixel = 0; curpixel <= numpixels; curpixel++) | |
870 { | |
871 PutPixel(x, y); /* Draw the current pixel */ | |
872 num += numadd; /* Increase the numerator by the top of the fraction */ | |
873 if (num >= den) /* Check if numerator >= denominator */ | |
874 { | |
875 num -= den; /* Calculate the new numerator value */ | |
876 x += xinc1; /* Change the x as appropriate */ | |
877 y += yinc1; /* Change the y as appropriate */ | |
878 } | |
879 x += xinc2; /* Change the x as appropriate */ | |
880 y += yinc2; /* Change the y as appropriate */ | |
881 } | |
882 } | |
883 | |
884 /** | |
885 * @brief Displays an polyline (between many points). | |
886 * @param Points: pointer to the points array. | |
887 * @param PointCount: Number of points. | |
888 * @retval None | |
889 */ | |
890 void LCD_PolyLine(pPoint Points, uint16_t PointCount) | |
891 { | |
892 int16_t X = 0, Y = 0; | |
893 | |
894 if(PointCount < 2) | |
895 { | |
896 return; | |
897 } | |
898 | |
899 while(--PointCount) | |
900 { | |
901 X = Points->X; | |
902 Y = Points->Y; | |
903 Points++; | |
904 LCD_DrawUniLine(X, Y, Points->X, Points->Y); | |
905 } | |
906 } | |
907 | |
908 /** | |
909 * @brief Displays an relative polyline (between many points). | |
910 * @param Points: pointer to the points array. | |
911 * @param PointCount: Number of points. | |
912 * @param Closed: specifies if the draw is closed or not. | |
913 * 1: closed, 0 : not closed. | |
914 * @retval None | |
915 */ | |
916 static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed) | |
917 { | |
918 int16_t X = 0, Y = 0; | |
919 pPoint First = Points; | |
920 | |
921 if(PointCount < 2) | |
922 { | |
923 return; | |
924 } | |
925 X = Points->X; | |
926 Y = Points->Y; | |
927 while(--PointCount) | |
928 { | |
929 Points++; | |
930 LCD_DrawUniLine(X, Y, X + Points->X, Y + Points->Y); | |
931 X = X + Points->X; | |
932 Y = Y + Points->Y; | |
933 } | |
934 if(Closed) | |
935 { | |
936 LCD_DrawUniLine(First->X, First->Y, X, Y); | |
937 } | |
938 } | |
939 | |
940 /** | |
941 * @brief Displays a closed polyline (between many points). | |
942 * @param Points: pointer to the points array. | |
943 * @param PointCount: Number of points. | |
944 * @retval None | |
945 */ | |
946 void LCD_ClosedPolyLine(pPoint Points, uint16_t PointCount) | |
947 { | |
948 LCD_PolyLine(Points, PointCount); | |
949 LCD_DrawUniLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y); | |
950 } | |
951 | |
952 /** | |
953 * @brief Displays a relative polyline (between many points). | |
954 * @param Points: pointer to the points array. | |
955 * @param PointCount: Number of points. | |
956 * @retval None | |
957 */ | |
958 void LCD_PolyLineRelative(pPoint Points, uint16_t PointCount) | |
959 { | |
960 LCD_PolyLineRelativeClosed(Points, PointCount, 0); | |
961 } | |
962 | |
963 /** | |
964 * @brief Displays a closed relative polyline (between many points). | |
965 * @param Points: pointer to the points array. | |
966 * @param PointCount: Number of points. | |
967 * @retval None | |
968 */ | |
969 void LCD_ClosedPolyLineRelative(pPoint Points, uint16_t PointCount) | |
970 { | |
971 LCD_PolyLineRelativeClosed(Points, PointCount, 1); | |
972 } | |
973 | |
974 | |
975 /** | |
976 * @brief Displays a full polyline (between many points). | |
977 * @param Points: pointer to the points array. | |
978 * @param PointCount: Number of points. | |
979 * @retval None | |
980 */ | |
981 void LCD_FillPolyLine(pPoint Points, uint16_t PointCount) | |
982 { | |
983 /* public-domain code by Darel Rex Finley, 2007 */ | |
984 uint16_t nodes = 0, nodeX[MAX_POLY_CORNERS], pixelX = 0, pixelY = 0, i = 0, | |
985 j = 0, swap = 0; | |
986 uint16_t IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0; | |
987 | |
988 IMAGE_LEFT = IMAGE_RIGHT = Points->X; | |
989 IMAGE_TOP= IMAGE_BOTTOM = Points->Y; | |
990 | |
991 for(i = 1; i < PointCount; i++) | |
992 { | |
993 pixelX = POLY_X(i); | |
994 if(pixelX < IMAGE_LEFT) | |
995 { | |
996 IMAGE_LEFT = pixelX; | |
997 } | |
998 if(pixelX > IMAGE_RIGHT) | |
999 { | |
1000 IMAGE_RIGHT = pixelX; | |
1001 } | |
1002 | |
1003 pixelY = POLY_Y(i); | |
1004 if(pixelY < IMAGE_TOP) | |
1005 { | |
1006 IMAGE_TOP = pixelY; | |
1007 } | |
1008 if(pixelY > IMAGE_BOTTOM) | |
1009 { | |
1010 IMAGE_BOTTOM = pixelY; | |
1011 } | |
1012 } | |
1013 | |
1014 LCD_SetTextColor(BackColor); | |
1015 | |
1016 /* Loop through the rows of the image. */ | |
1017 for (pixelY = IMAGE_TOP; pixelY < IMAGE_BOTTOM; pixelY++) | |
1018 { | |
1019 /* Build a list of nodes. */ | |
1020 nodes = 0; j = PointCount-1; | |
1021 | |
1022 for (i = 0; i < PointCount; i++) | |
1023 { | |
1024 if (POLY_Y(i)<(double) pixelY && POLY_Y(j)>=(double) pixelY || POLY_Y(j)<(double) pixelY && POLY_Y(i)>=(double) pixelY) | |
1025 { | |
1026 nodeX[nodes++]=(int) (POLY_X(i)+((pixelY-POLY_Y(i))*(POLY_X(j)-POLY_X(i)))/(POLY_Y(j)-POLY_Y(i))); | |
1027 } | |
1028 j = i; | |
1029 } | |
1030 | |
1031 /* Sort the nodes, via a simple "Bubble" sort. */ | |
1032 i = 0; | |
1033 while (i < nodes-1) | |
1034 { | |
1035 if (nodeX[i]>nodeX[i+1]) | |
1036 { | |
1037 swap = nodeX[i]; | |
1038 nodeX[i] = nodeX[i+1]; | |
1039 nodeX[i+1] = swap; | |
1040 if(i) | |
1041 { | |
1042 i--; | |
1043 } | |
1044 } | |
1045 else | |
1046 { | |
1047 i++; | |
1048 } | |
1049 } | |
1050 | |
1051 /* Fill the pixels between node pairs. */ | |
1052 for (i = 0; i < nodes; i+=2) | |
1053 { | |
1054 if(nodeX[i] >= IMAGE_RIGHT) | |
1055 { | |
1056 break; | |
1057 } | |
1058 if(nodeX[i+1] > IMAGE_LEFT) | |
1059 { | |
1060 if (nodeX[i] < IMAGE_LEFT) | |
1061 { | |
1062 nodeX[i]=IMAGE_LEFT; | |
1063 } | |
1064 if(nodeX[i+1] > IMAGE_RIGHT) | |
1065 { | |
1066 nodeX[i+1] = IMAGE_RIGHT; | |
1067 } | |
1068 LCD_SetTextColor(BackColor); | |
1069 LCD_DrawLine(pixelY, nodeX[i+1], nodeX[i+1] - nodeX[i], LCD_DIR_HORIZONTAL); | |
1070 LCD_SetTextColor(TextColor); | |
1071 PutPixel(pixelY, nodeX[i+1]); | |
1072 PutPixel(pixelY, nodeX[i]); | |
1073 /* for (j=nodeX[i]; j<nodeX[i+1]; j++) PutPixel(j,pixelY); */ | |
1074 } | |
1075 } | |
1076 } | |
1077 | |
1078 /* draw the edges */ | |
1079 LCD_SetTextColor(TextColor); | |
1080 } | |
1081 | |
1082 /** | |
1083 * @brief Writes to the selected LCD register. | |
1084 * @param LCD_Reg: address of the selected register. | |
1085 * @param LCD_RegValue: value to write to the selected register. | |
1086 * @retval None | |
1087 */ | |
1088 void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue) | |
1089 { | |
1090 /* Write 16-bit Index, then Write Reg */ | |
1091 LCD->LCD_REG = LCD_Reg; | |
1092 /* Write 16-bit Reg */ | |
1093 LCD->LCD_RAM = LCD_RegValue; | |
1094 } | |
1095 | |
1096 | |
1097 /** | |
1098 * @brief Reads the selected LCD Register. | |
1099 * @param LCD_Reg: address of the selected register. | |
1100 * @retval LCD Register Value. | |
1101 */ | |
1102 uint16_t LCD_ReadReg(uint8_t LCD_Reg) | |
1103 { | |
1104 /* Write 16-bit Index (then Read Reg) */ | |
1105 LCD->LCD_REG = LCD_Reg; | |
1106 /* Read 16-bit Reg */ | |
1107 return (LCD->LCD_RAM); | |
1108 } | |
1109 | |
1110 | |
1111 /** | |
1112 * @brief Prepare to write to the LCD RAM. | |
1113 * @param None | |
1114 * @retval None | |
1115 */ | |
1116 void LCD_WriteRAM_Prepare(void) | |
1117 { | |
1118 LCD->LCD_REG = LCD_REG_34; | |
1119 } | |
1120 | |
1121 | |
1122 /** | |
1123 * @brief Writes to the LCD RAM. | |
1124 * @param RGB_Code: the pixel color in RGB mode (5-6-5). | |
1125 * @retval None | |
1126 */ | |
1127 void LCD_WriteRAM(uint16_t RGB_Code) | |
1128 { | |
1129 /* Write 16-bit GRAM Reg */ | |
1130 LCD->LCD_RAM = RGB_Code; | |
1131 } | |
1132 | |
1133 | |
1134 /** | |
1135 * @brief Reads the LCD RAM. | |
1136 * @param None | |
1137 * @retval LCD RAM Value. | |
1138 */ | |
1139 uint16_t LCD_ReadRAM(void) | |
1140 { | |
1141 /* Write 16-bit Index (then Read Reg) */ | |
1142 LCD->LCD_REG = LCD_REG_34; /* Select GRAM Reg */ | |
1143 /* Read 16-bit Reg */ | |
1144 return LCD->LCD_RAM; | |
1145 } | |
1146 | |
1147 | |
1148 /** | |
1149 * @brief Power on the LCD. | |
1150 * @param None | |
1151 * @retval None | |
1152 */ | |
1153 void LCD_PowerOn(void) | |
1154 { | |
1155 /* Power On sequence ---------------------------------------------------------*/ | |
1156 LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ | |
1157 LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ | |
1158 LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */ | |
1159 LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude*/ | |
1160 _delay_(20); /* Dis-charge capacitor power voltage (200ms) */ | |
1161 LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ | |
1162 LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */ | |
1163 _delay_(5); /* Delay 50 ms */ | |
1164 LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */ | |
1165 _delay_(5); /* Delay 50 ms */ | |
1166 LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */ | |
1167 LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */ | |
1168 _delay_(5); /* Delay 50 ms */ | |
1169 LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */ | |
1170 } | |
1171 | |
1172 | |
1173 /** | |
1174 * @brief Enables the Display. | |
1175 * @param None | |
1176 * @retval None | |
1177 */ | |
1178 void LCD_DisplayOn(void) | |
1179 { | |
1180 /* Display On */ | |
1181 LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */ | |
1182 } | |
1183 | |
1184 | |
1185 /** | |
1186 * @brief Disables the Display. | |
1187 * @param None | |
1188 * @retval None | |
1189 */ | |
1190 void LCD_DisplayOff(void) | |
1191 { | |
1192 /* Display Off */ | |
1193 LCD_WriteReg(LCD_REG_7, 0x0); | |
1194 } | |
1195 | |
1196 | |
1197 /** | |
1198 * @brief Configures LCD Control lines (FSMC Pins) in alternate function mode. | |
1199 * @param None | |
1200 * @retval None | |
1201 */ | |
1202 void LCD_CtrlLinesConfig(void) | |
1203 { | |
1204 GPIO_InitTypeDef GPIO_InitStructure; | |
1205 /* Enable FSMC, GPIOD, GPIOE, GPIOF, GPIOG and AFIO clocks */ | |
1206 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); | |
1207 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | | |
1208 RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG | | |
1209 RCC_APB2Periph_AFIO, ENABLE); | |
1210 /* Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14), | |
1211 PD.10(D15), PD.14(D0), PD.15(D1) as alternate function push pull */ | |
1212 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | | |
1213 GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | | |
1214 GPIO_Pin_15; | |
1215 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; | |
1216 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; | |
1217 GPIO_Init(GPIOD, &GPIO_InitStructure); | |
1218 /* Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10), | |
1219 PE.14(D11), PE.15(D12) as alternate function push pull */ | |
1220 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | | |
1221 GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | | |
1222 GPIO_Pin_15; | |
1223 GPIO_Init(GPIOE, &GPIO_InitStructure); | |
1224 /* Set PF.00(A0 (RS)) as alternate function push pull */ | |
1225 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; | |
1226 GPIO_Init(GPIOF, &GPIO_InitStructure); | |
1227 /* Set PG.12(NE4 (LCD/CS)) as alternate function push pull - CE3(LCD /CS) */ | |
1228 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; | |
1229 GPIO_Init(GPIOG, &GPIO_InitStructure); | |
1230 } | |
1231 | |
1232 | |
1233 /** | |
1234 * @brief Configures the Parallel interface (FSMC) for LCD(Parallel mode) | |
1235 * @param None | |
1236 * @retval None | |
1237 */ | |
1238 void LCD_FSMCConfig(void) | |
1239 { | |
1240 FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; | |
1241 FSMC_NORSRAMTimingInitTypeDef p; | |
1242 /*-- FSMC Configuration ------------------------------------------------------*/ | |
1243 /*----------------------- SRAM Bank 4 ----------------------------------------*/ | |
1244 /* FSMC_Bank1_NORSRAM4 configuration */ | |
1245 p.FSMC_AddressSetupTime = 1; | |
1246 p.FSMC_AddressHoldTime = 0; | |
1247 p.FSMC_DataSetupTime = 2; | |
1248 p.FSMC_BusTurnAroundDuration = 0; | |
1249 p.FSMC_CLKDivision = 0; | |
1250 p.FSMC_DataLatency = 0; | |
1251 p.FSMC_AccessMode = FSMC_AccessMode_A; | |
1252 /* Color LCD configuration ------------------------------------ | |
1253 LCD configured as follow: | |
1254 - Data/Address MUX = Disable | |
1255 - Memory Type = SRAM | |
1256 - Data Width = 16bit | |
1257 - Write Operation = Enable | |
1258 - Extended Mode = Enable | |
1259 - Asynchronous Wait = Disable */ | |
1260 FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4; | |
1261 FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; | |
1262 FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; | |
1263 FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; | |
1264 FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; | |
1265 FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; | |
1266 FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; | |
1267 FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; | |
1268 FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; | |
1269 FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; | |
1270 FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; | |
1271 FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; | |
1272 FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; | |
1273 FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p; | |
1274 FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p; | |
1275 FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); | |
1276 /* BANK 4 (of NOR/SRAM Bank 1~4) is enabled */ | |
1277 FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE); | |
1278 } | |
1279 | |
1280 /** | |
1281 * @brief Displays a pixel. | |
1282 * @param x: pixel x. | |
1283 * @param y: pixel y. | |
1284 * @retval None | |
1285 */ | |
1286 static void PutPixel(int16_t x, int16_t y) | |
1287 { | |
1288 if(x < 0 || x > 239 || y < 0 || y > 319) | |
1289 { | |
1290 return; | |
1291 } | |
1292 LCD_DrawLine(x, y, 1, LCD_DIR_HORIZONTAL); | |
1293 } | |
1294 | |
1295 #ifndef USE_Delay | |
1296 /** | |
1297 * @brief Inserts a delay time. | |
1298 * @param nCount: specifies the delay time length. | |
1299 * @retval None | |
1300 */ | |
1301 static void delay(vu32 nCount) | |
1302 { | |
1303 vu32 index = 0; | |
1304 for(index = (100000 * nCount); index != 0; index--) | |
1305 { | |
1306 } | |
1307 } | |
1308 #endif /* USE_Delay*/ | |
1309 /** | |
1310 * @} | |
1311 */ | |
1312 | |
1313 /** | |
1314 * @} | |
1315 */ | |
1316 | |
1317 /** | |
1318 * @} | |
1319 */ | |
1320 | |
1321 /** | |
1322 * @} | |
1323 */ | |
1324 | |
1325 /** | |
1326 * @} | |
1327 */ | |
1328 | |
1329 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |