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STM32469I-Discovery BSP User Manual
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stm32469i_discovery_lcd.c
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00001 /** 00002 ****************************************************************************** 00003 * @file stm32469i_discovery_lcd.c 00004 * @author MCD Application Team 00005 * @version V2.0.0 00006 * @date 31-January-2017 00007 * @brief This file includes the driver for Liquid Crystal Display (LCD) module 00008 * mounted on STM32469I-Discovery evaluation board. 00009 ****************************************************************************** 00010 * @attention 00011 * 00012 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> 00013 * 00014 * Redistribution and use in source and binary forms, with or without modification, 00015 * are permitted provided that the following conditions are met: 00016 * 1. Redistributions of source code must retain the above copyright notice, 00017 * this list of conditions and the following disclaimer. 00018 * 2. Redistributions in binary form must reproduce the above copyright notice, 00019 * this list of conditions and the following disclaimer in the documentation 00020 * and/or other materials provided with the distribution. 00021 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00022 * may be used to endorse or promote products derived from this software 00023 * without specific prior written permission. 00024 * 00025 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00026 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00028 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00029 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00030 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00031 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00032 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00033 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00034 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00035 * 00036 ****************************************************************************** 00037 */ 00038 00039 /* File Info: ------------------------------------------------------------------ 00040 User NOTES 00041 1. How To use this driver: 00042 -------------------------- 00043 - This driver is used to drive directly in video mode a LCD TFT using the DSI interface. 00044 The following IPs are implied : DSI Host IP block working 00045 in conjunction to the LTDC controller. 00046 - This driver is linked by construction to LCD KoD mounted on board MB1166. 00047 00048 2. Driver description: 00049 --------------------- 00050 + Initialization steps: 00051 o Initialize the LCD using the BSP_LCD_Init() function. 00052 o Select the LCD layer to be used using the BSP_LCD_SelectLayer() function. 00053 o Enable the LCD display using the BSP_LCD_DisplayOn() function. 00054 00055 + Options 00056 o Configure and enable the color keying functionality using the 00057 BSP_LCD_SetColorKeying() function. 00058 o Modify in the fly the transparency and/or the frame buffer address 00059 using the following functions: 00060 - BSP_LCD_SetTransparency() 00061 - BSP_LCD_SetLayerAddress() 00062 00063 + Display on LCD 00064 o Clear the whole LCD using BSP_LCD_Clear() function or only one specified string 00065 line using the BSP_LCD_ClearStringLine() function. 00066 o Display a character on the specified line and column using the BSP_LCD_DisplayChar() 00067 function or a complete string line using the BSP_LCD_DisplayStringAtLine() function. 00068 o Display a string line on the specified position (x,y in pixel) and align mode 00069 using the BSP_LCD_DisplayStringAtLine() function. 00070 o Draw and fill a basic shapes (dot, line, rectangle, circle, ellipse, .. bitmap) 00071 on LCD using the available set of functions. 00072 00073 ------------------------------------------------------------------------------*/ 00074 00075 /* Includes ------------------------------------------------------------------*/ 00076 #include "stm32469i_discovery_lcd.h" 00077 #include "../../../Utilities/Fonts/fonts.h" 00078 #include "../../../Utilities/Fonts/font24.c" 00079 #include "../../../Utilities/Fonts/font20.c" 00080 #include "../../../Utilities/Fonts/font16.c" 00081 #include "../../../Utilities/Fonts/font12.c" 00082 #include "../../../Utilities/Fonts/font8.c" 00083 00084 /** @addtogroup BSP 00085 * @{ 00086 */ 00087 00088 /** @addtogroup STM32469I_Discovery 00089 * @{ 00090 */ 00091 00092 /** @defgroup STM32469I-Discovery_LCD STM32469I Discovery LCD 00093 * @{ 00094 */ 00095 00096 /** @defgroup STM32469I-Discovery_LCD_Private_TypesDefinitions STM32469I Discovery LCD Private TypesDefinitions 00097 * @{ 00098 */ 00099 static DSI_VidCfgTypeDef hdsivideo_handle; 00100 00101 /** 00102 * @} 00103 */ 00104 00105 /** @defgroup STM32469I-Discovery_LCD_Private_Defines STM32469I Discovery LCD Private Defines 00106 * @{ 00107 */ 00108 /** 00109 * @} 00110 */ 00111 00112 /** @defgroup STM32469I-Discovery_LCD_Private_Macros STM32469I Discovery LCD Private Macros 00113 * @{ 00114 */ 00115 #define ABS(X) ((X) > 0 ? (X) : -(X)) 00116 00117 #define POLY_X(Z) ((int32_t)((Points + (Z))->X)) 00118 #define POLY_Y(Z) ((int32_t)((Points + (Z))->Y)) 00119 /** 00120 * @} 00121 */ 00122 00123 /** @defgroup STM32469I-Discovery_LCD_Exported_Variables STM32469I Discovery LCD Exported Variables 00124 * @{ 00125 */ 00126 00127 /** 00128 * @} 00129 */ 00130 00131 00132 /** @defgroup STM32469I-Discovery_LCD_Private_Variables STM32469I Discovery LCD Private Variables 00133 * @{ 00134 */ 00135 00136 DMA2D_HandleTypeDef hdma2d_eval; 00137 LTDC_HandleTypeDef hltdc_eval; 00138 DSI_HandleTypeDef hdsi_eval; 00139 uint32_t lcd_x_size = OTM8009A_800X480_WIDTH; 00140 uint32_t lcd_y_size = OTM8009A_800X480_HEIGHT; 00141 00142 /** 00143 * @} 00144 */ 00145 00146 00147 /** @defgroup STM32469I-Discovery_LCD_Private_Variables STM32469I Discovery LCD Private Variables 00148 * @{ 00149 */ 00150 00151 /** 00152 * @brief Default Active LTDC Layer in which drawing is made is LTDC Layer Background 00153 */ 00154 static uint32_t ActiveLayer = LTDC_ACTIVE_LAYER_BACKGROUND; 00155 00156 /** 00157 * @brief Current Drawing Layer properties variable 00158 */ 00159 static LCD_DrawPropTypeDef DrawProp[LTDC_MAX_LAYER_NUMBER]; 00160 /** 00161 * @} 00162 */ 00163 00164 /** @defgroup STM32469I-Discovery_LCD_Private_FunctionPrototypes STM32469I Discovery LCD Private FunctionPrototypes 00165 * @{ 00166 */ 00167 static void DrawChar(uint16_t Xpos, uint16_t Ypos, const uint8_t *c); 00168 static void FillTriangle(uint16_t x1, uint16_t x2, uint16_t x3, uint16_t y1, uint16_t y2, uint16_t y3); 00169 static void LL_FillBuffer(uint32_t LayerIndex, void *pDst, uint32_t xSize, uint32_t ySize, uint32_t OffLine, uint32_t ColorIndex); 00170 static void LL_ConvertLineToARGB8888(void * pSrc, void *pDst, uint32_t xSize, uint32_t ColorMode); 00171 /** 00172 * @} 00173 */ 00174 00175 /** @defgroup STM32469I-Discovery_LCD_Exported_Functions STM32469I Discovery LCD Exported Functions 00176 * @{ 00177 */ 00178 00179 /** 00180 * @brief Initializes the DSI LCD. 00181 * @retval LCD state 00182 */ 00183 uint8_t BSP_LCD_Init(void) 00184 { 00185 return (BSP_LCD_InitEx(LCD_ORIENTATION_LANDSCAPE)); 00186 } 00187 00188 /** 00189 * @brief Initializes the DSI LCD. 00190 * The ititialization is done as below: 00191 * - DSI PLL ititialization 00192 * - DSI ititialization 00193 * - LTDC ititialization 00194 * - OTM8009A LCD Display IC Driver ititialization 00195 * @retval LCD state 00196 */ 00197 uint8_t BSP_LCD_InitEx(LCD_OrientationTypeDef orientation) 00198 { 00199 DSI_PLLInitTypeDef dsiPllInit; 00200 DSI_PHY_TimerTypeDef PhyTimings; 00201 static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; 00202 uint32_t LcdClock = 27429; /*!< LcdClk = 27429 kHz */ 00203 00204 uint32_t laneByteClk_kHz = 0; 00205 uint32_t VSA; /*!< Vertical start active time in units of lines */ 00206 uint32_t VBP; /*!< Vertical Back Porch time in units of lines */ 00207 uint32_t VFP; /*!< Vertical Front Porch time in units of lines */ 00208 uint32_t VACT; /*!< Vertical Active time in units of lines = imageSize Y in pixels to display */ 00209 uint32_t HSA; /*!< Horizontal start active time in units of lcdClk */ 00210 uint32_t HBP; /*!< Horizontal Back Porch time in units of lcdClk */ 00211 uint32_t HFP; /*!< Horizontal Front Porch time in units of lcdClk */ 00212 uint32_t HACT; /*!< Horizontal Active time in units of lcdClk = imageSize X in pixels to display */ 00213 00214 00215 /* Toggle Hardware Reset of the DSI LCD using 00216 * its XRES signal (active low) */ 00217 BSP_LCD_Reset(); 00218 00219 /* Call first MSP Initialize only in case of first initialization 00220 * This will set IP blocks LTDC, DSI and DMA2D 00221 * - out of reset 00222 * - clocked 00223 * - NVIC IRQ related to IP blocks enabled 00224 */ 00225 BSP_LCD_MspInit(); 00226 00227 /*************************DSI Initialization***********************************/ 00228 00229 /* Base address of DSI Host/Wrapper registers to be set before calling De-Init */ 00230 hdsi_eval.Instance = DSI; 00231 00232 HAL_DSI_DeInit(&(hdsi_eval)); 00233 00234 #if !defined(USE_STM32469I_DISCO_REVA) 00235 dsiPllInit.PLLNDIV = 125; 00236 dsiPllInit.PLLIDF = DSI_PLL_IN_DIV2; 00237 dsiPllInit.PLLODF = DSI_PLL_OUT_DIV1; 00238 #else 00239 dsiPllInit.PLLNDIV = 100; 00240 dsiPllInit.PLLIDF = DSI_PLL_IN_DIV5; 00241 dsiPllInit.PLLODF = DSI_PLL_OUT_DIV1; 00242 #endif 00243 laneByteClk_kHz = 62500; /* 500 MHz / 8 = 62.5 MHz = 62500 kHz */ 00244 00245 /* Set number of Lanes */ 00246 hdsi_eval.Init.NumberOfLanes = DSI_TWO_DATA_LANES; 00247 00248 /* TXEscapeCkdiv = f(LaneByteClk)/15.62 = 4 */ 00249 hdsi_eval.Init.TXEscapeCkdiv = laneByteClk_kHz/15620; 00250 00251 HAL_DSI_Init(&(hdsi_eval), &(dsiPllInit)); 00252 00253 /* Timing parameters for all Video modes 00254 * Set Timing parameters of LTDC depending on its chosen orientation 00255 */ 00256 if(orientation == LCD_ORIENTATION_PORTRAIT) 00257 { 00258 lcd_x_size = OTM8009A_480X800_WIDTH; /* 480 */ 00259 lcd_y_size = OTM8009A_480X800_HEIGHT; /* 800 */ 00260 } 00261 else 00262 { 00263 /* lcd_orientation == LCD_ORIENTATION_LANDSCAPE */ 00264 lcd_x_size = OTM8009A_800X480_WIDTH; /* 800 */ 00265 lcd_y_size = OTM8009A_800X480_HEIGHT; /* 480 */ 00266 } 00267 00268 HACT = lcd_x_size; 00269 VACT = lcd_y_size; 00270 00271 /* The following values are same for portrait and landscape orientations */ 00272 VSA = OTM8009A_480X800_VSYNC; 00273 VBP = OTM8009A_480X800_VBP; 00274 VFP = OTM8009A_480X800_VFP; 00275 HSA = OTM8009A_480X800_HSYNC; 00276 HBP = OTM8009A_480X800_HBP; 00277 HFP = OTM8009A_480X800_HFP; 00278 00279 00280 hdsivideo_handle.VirtualChannelID = LCD_OTM8009A_ID; 00281 hdsivideo_handle.ColorCoding = LCD_DSI_PIXEL_DATA_FMT_RBG888; 00282 hdsivideo_handle.VSPolarity = DSI_VSYNC_ACTIVE_HIGH; 00283 hdsivideo_handle.HSPolarity = DSI_HSYNC_ACTIVE_HIGH; 00284 hdsivideo_handle.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH; 00285 hdsivideo_handle.Mode = DSI_VID_MODE_BURST; /* Mode Video burst ie : one LgP per line */ 00286 hdsivideo_handle.NullPacketSize = 0xFFF; 00287 hdsivideo_handle.NumberOfChunks = 0; 00288 hdsivideo_handle.PacketSize = HACT; /* Value depending on display orientation choice portrait/landscape */ 00289 hdsivideo_handle.HorizontalSyncActive = (HSA * laneByteClk_kHz) / LcdClock; 00290 hdsivideo_handle.HorizontalBackPorch = (HBP * laneByteClk_kHz) / LcdClock; 00291 hdsivideo_handle.HorizontalLine = ((HACT + HSA + HBP + HFP) * laneByteClk_kHz) / LcdClock; /* Value depending on display orientation choice portrait/landscape */ 00292 hdsivideo_handle.VerticalSyncActive = VSA; 00293 hdsivideo_handle.VerticalBackPorch = VBP; 00294 hdsivideo_handle.VerticalFrontPorch = VFP; 00295 hdsivideo_handle.VerticalActive = VACT; /* Value depending on display orientation choice portrait/landscape */ 00296 00297 /* Enable or disable sending LP command while streaming is active in video mode */ 00298 hdsivideo_handle.LPCommandEnable = DSI_LP_COMMAND_ENABLE; /* Enable sending commands in mode LP (Low Power) */ 00299 00300 /* Largest packet size possible to transmit in LP mode in VSA, VBP, VFP regions */ 00301 /* Only useful when sending LP packets is allowed while streaming is active in video mode */ 00302 hdsivideo_handle.LPLargestPacketSize = 16; 00303 00304 /* Largest packet size possible to transmit in LP mode in HFP region during VACT period */ 00305 /* Only useful when sending LP packets is allowed while streaming is active in video mode */ 00306 hdsivideo_handle.LPVACTLargestPacketSize = 0; 00307 00308 00309 /* Specify for each region of the video frame, if the transmission of command in LP mode is allowed in this region */ 00310 /* while streaming is active in video mode */ 00311 hdsivideo_handle.LPHorizontalFrontPorchEnable = DSI_LP_HFP_ENABLE; /* Allow sending LP commands during HFP period */ 00312 hdsivideo_handle.LPHorizontalBackPorchEnable = DSI_LP_HBP_ENABLE; /* Allow sending LP commands during HBP period */ 00313 hdsivideo_handle.LPVerticalActiveEnable = DSI_LP_VACT_ENABLE; /* Allow sending LP commands during VACT period */ 00314 hdsivideo_handle.LPVerticalFrontPorchEnable = DSI_LP_VFP_ENABLE; /* Allow sending LP commands during VFP period */ 00315 hdsivideo_handle.LPVerticalBackPorchEnable = DSI_LP_VBP_ENABLE; /* Allow sending LP commands during VBP period */ 00316 hdsivideo_handle.LPVerticalSyncActiveEnable = DSI_LP_VSYNC_ENABLE; /* Allow sending LP commands during VSync = VSA period */ 00317 00318 /* Configure DSI Video mode timings with settings set above */ 00319 HAL_DSI_ConfigVideoMode(&(hdsi_eval), &(hdsivideo_handle)); 00320 00321 /* Configure DSI PHY HS2LP and LP2HS timings */ 00322 PhyTimings.ClockLaneHS2LPTime = 35; 00323 PhyTimings.ClockLaneLP2HSTime = 35; 00324 PhyTimings.DataLaneHS2LPTime = 35; 00325 PhyTimings.DataLaneLP2HSTime = 35; 00326 PhyTimings.DataLaneMaxReadTime = 0; 00327 PhyTimings.StopWaitTime = 10; 00328 HAL_DSI_ConfigPhyTimer(&hdsi_eval, &PhyTimings); 00329 00330 /*************************End DSI Initialization*******************************/ 00331 00332 00333 /************************LTDC Initialization***********************************/ 00334 00335 /* Timing Configuration */ 00336 hltdc_eval.Init.HorizontalSync = (HSA - 1); 00337 hltdc_eval.Init.AccumulatedHBP = (HSA + HBP - 1); 00338 hltdc_eval.Init.AccumulatedActiveW = (lcd_x_size + HSA + HBP - 1); 00339 hltdc_eval.Init.TotalWidth = (lcd_x_size + HSA + HBP + HFP - 1); 00340 00341 /* Initialize the LCD pixel width and pixel height */ 00342 hltdc_eval.LayerCfg->ImageWidth = lcd_x_size; 00343 hltdc_eval.LayerCfg->ImageHeight = lcd_y_size; 00344 00345 00346 /* LCD clock configuration */ 00347 /* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */ 00348 /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 384 Mhz */ 00349 /* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 384 MHz / 7 = 54.857 MHz */ 00350 /* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_2 = 54.857 MHz / 2 = 27.429 MHz */ 00351 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC; 00352 PeriphClkInitStruct.PLLSAI.PLLSAIN = 384; 00353 PeriphClkInitStruct.PLLSAI.PLLSAIR = 7; 00354 PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2; 00355 HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); 00356 00357 /* Background value */ 00358 hltdc_eval.Init.Backcolor.Blue = 0; 00359 hltdc_eval.Init.Backcolor.Green = 0; 00360 hltdc_eval.Init.Backcolor.Red = 0; 00361 hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC; 00362 hltdc_eval.Instance = LTDC; 00363 00364 /* Get LTDC Configuration from DSI Configuration */ 00365 HAL_LTDCEx_StructInitFromVideoConfig(&(hltdc_eval), &(hdsivideo_handle)); 00366 00367 /* Initialize the LTDC */ 00368 HAL_LTDC_Init(&hltdc_eval); 00369 00370 /* Enable the DSI host and wrapper after the LTDC initialization 00371 To avoid any synchronization issue, the DSI shall be started after enabling the LTDC */ 00372 HAL_DSI_Start(&(hdsi_eval)); 00373 00374 #if !defined(DATA_IN_ExtSDRAM) 00375 /* Initialize the SDRAM */ 00376 BSP_SDRAM_Init(); 00377 #endif /* DATA_IN_ExtSDRAM */ 00378 00379 /* Initialize the font */ 00380 BSP_LCD_SetFont(&LCD_DEFAULT_FONT); 00381 00382 /************************End LTDC Initialization*******************************/ 00383 00384 00385 /***********************OTM8009A Initialization********************************/ 00386 00387 /* Initialize the OTM8009A LCD Display IC Driver (KoD LCD IC Driver) 00388 * depending on configuration set in 'hdsivideo_handle'. 00389 */ 00390 OTM8009A_Init(OTM8009A_FORMAT_RGB888, orientation); 00391 00392 /***********************End OTM8009A Initialization****************************/ 00393 00394 return LCD_OK; 00395 } 00396 00397 /** 00398 * @brief BSP LCD Reset 00399 * Hw reset the LCD DSI activating its XRES signal (active low for some time) 00400 * and desactivating it later. 00401 * This signal is only cabled on Discovery Rev B and beyond. 00402 */ 00403 void BSP_LCD_Reset(void) 00404 { 00405 #if !defined(USE_STM32469I_DISCO_REVA) 00406 /* EVAL Rev B and beyond : reset the LCD by activation of XRES (active low) connected to PH7 */ 00407 GPIO_InitTypeDef gpio_init_structure; 00408 00409 __HAL_RCC_GPIOH_CLK_ENABLE(); 00410 00411 /* Configure the GPIO on PH7 */ 00412 gpio_init_structure.Pin = GPIO_PIN_7; 00413 gpio_init_structure.Mode = GPIO_MODE_OUTPUT_OD; 00414 gpio_init_structure.Pull = GPIO_NOPULL; 00415 gpio_init_structure.Speed = GPIO_SPEED_HIGH; 00416 00417 HAL_GPIO_Init(GPIOH, &gpio_init_structure); 00418 00419 /* Activate XRES active low */ 00420 HAL_GPIO_WritePin(GPIOH, GPIO_PIN_7, GPIO_PIN_RESET); 00421 00422 HAL_Delay(20); /* wait 20 ms */ 00423 00424 /* Desactivate XRES */ 00425 HAL_GPIO_WritePin(GPIOH, GPIO_PIN_7, GPIO_PIN_SET); 00426 00427 /* Wait for 10ms after releasing XRES before sending commands */ 00428 HAL_Delay(10); 00429 #else 00430 00431 #endif /* USE_STM32469I_DISCO_REVA == 0 */ 00432 } 00433 00434 /** 00435 * @brief Gets the LCD X size. 00436 * @retval Used LCD X size 00437 */ 00438 uint32_t BSP_LCD_GetXSize(void) 00439 { 00440 return (lcd_x_size); 00441 } 00442 00443 /** 00444 * @brief Gets the LCD Y size. 00445 * @retval Used LCD Y size 00446 */ 00447 uint32_t BSP_LCD_GetYSize(void) 00448 { 00449 return (lcd_y_size); 00450 } 00451 00452 /** 00453 * @brief Set the LCD X size. 00454 * @param imageWidthPixels : uint32_t image width in pixels unit 00455 */ 00456 void BSP_LCD_SetXSize(uint32_t imageWidthPixels) 00457 { 00458 hltdc_eval.LayerCfg[ActiveLayer].ImageWidth = imageWidthPixels; 00459 } 00460 00461 /** 00462 * @brief Set the LCD Y size. 00463 * @param imageHeightPixels : uint32_t image height in lines unit 00464 */ 00465 void BSP_LCD_SetYSize(uint32_t imageHeightPixels) 00466 { 00467 hltdc_eval.LayerCfg[ActiveLayer].ImageHeight = imageHeightPixels; 00468 } 00469 00470 00471 /** 00472 * @brief Initializes the LCD layers. 00473 * @param LayerIndex: Layer foreground or background 00474 * @param FB_Address: Layer frame buffer 00475 */ 00476 void BSP_LCD_LayerDefaultInit(uint16_t LayerIndex, uint32_t FB_Address) 00477 { 00478 LCD_LayerCfgTypeDef Layercfg; 00479 00480 /* Layer Init */ 00481 Layercfg.WindowX0 = 0; 00482 Layercfg.WindowX1 = BSP_LCD_GetXSize(); 00483 Layercfg.WindowY0 = 0; 00484 Layercfg.WindowY1 = BSP_LCD_GetYSize(); 00485 Layercfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888; 00486 Layercfg.FBStartAdress = FB_Address; 00487 Layercfg.Alpha = 255; 00488 Layercfg.Alpha0 = 0; 00489 Layercfg.Backcolor.Blue = 0; 00490 Layercfg.Backcolor.Green = 0; 00491 Layercfg.Backcolor.Red = 0; 00492 Layercfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA; 00493 Layercfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA; 00494 Layercfg.ImageWidth = BSP_LCD_GetXSize(); 00495 Layercfg.ImageHeight = BSP_LCD_GetYSize(); 00496 00497 HAL_LTDC_ConfigLayer(&hltdc_eval, &Layercfg, LayerIndex); 00498 00499 DrawProp[LayerIndex].BackColor = LCD_COLOR_WHITE; 00500 DrawProp[LayerIndex].pFont = &Font24; 00501 DrawProp[LayerIndex].TextColor = LCD_COLOR_BLACK; 00502 } 00503 00504 00505 /** 00506 * @brief Selects the LCD Layer. 00507 * @param LayerIndex: Layer foreground or background 00508 */ 00509 void BSP_LCD_SelectLayer(uint32_t LayerIndex) 00510 { 00511 ActiveLayer = LayerIndex; 00512 } 00513 00514 /** 00515 * @brief Sets an LCD Layer visible 00516 * @param LayerIndex: Visible Layer 00517 * @param State: New state of the specified layer 00518 * This parameter can be one of the following values: 00519 * @arg ENABLE 00520 * @arg DISABLE 00521 */ 00522 void BSP_LCD_SetLayerVisible(uint32_t LayerIndex, FunctionalState State) 00523 { 00524 if(State == ENABLE) 00525 { 00526 __HAL_LTDC_LAYER_ENABLE(&(hltdc_eval), LayerIndex); 00527 } 00528 else 00529 { 00530 __HAL_LTDC_LAYER_DISABLE(&(hltdc_eval), LayerIndex); 00531 } 00532 __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(&(hltdc_eval)); 00533 00534 } 00535 00536 /** 00537 * @brief Configures the transparency. 00538 * @param LayerIndex: Layer foreground or background. 00539 * @param Transparency: Transparency 00540 * This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF 00541 */ 00542 void BSP_LCD_SetTransparency(uint32_t LayerIndex, uint8_t Transparency) 00543 { 00544 00545 HAL_LTDC_SetAlpha(&(hltdc_eval), Transparency, LayerIndex); 00546 00547 } 00548 00549 /** 00550 * @brief Sets an LCD layer frame buffer address. 00551 * @param LayerIndex: Layer foreground or background 00552 * @param Address: New LCD frame buffer value 00553 */ 00554 void BSP_LCD_SetLayerAddress(uint32_t LayerIndex, uint32_t Address) 00555 { 00556 00557 HAL_LTDC_SetAddress(&(hltdc_eval), Address, LayerIndex); 00558 00559 } 00560 00561 /** 00562 * @brief Sets display window. 00563 * @param LayerIndex: Layer index 00564 * @param Xpos: LCD X position 00565 * @param Ypos: LCD Y position 00566 * @param Width: LCD window width 00567 * @param Height: LCD window height 00568 */ 00569 void BSP_LCD_SetLayerWindow(uint16_t LayerIndex, uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) 00570 { 00571 /* Reconfigure the layer size */ 00572 HAL_LTDC_SetWindowSize(&(hltdc_eval), Width, Height, LayerIndex); 00573 00574 /* Reconfigure the layer position */ 00575 HAL_LTDC_SetWindowPosition(&(hltdc_eval), Xpos, Ypos, LayerIndex); 00576 00577 } 00578 00579 /** 00580 * @brief Configures and sets the color keying. 00581 * @param LayerIndex: Layer foreground or background 00582 * @param RGBValue: Color reference 00583 */ 00584 void BSP_LCD_SetColorKeying(uint32_t LayerIndex, uint32_t RGBValue) 00585 { 00586 /* Configure and Enable the color Keying for LCD Layer */ 00587 HAL_LTDC_ConfigColorKeying(&(hltdc_eval), RGBValue, LayerIndex); 00588 HAL_LTDC_EnableColorKeying(&(hltdc_eval), LayerIndex); 00589 } 00590 00591 /** 00592 * @brief Disables the color keying. 00593 * @param LayerIndex: Layer foreground or background 00594 */ 00595 void BSP_LCD_ResetColorKeying(uint32_t LayerIndex) 00596 { 00597 /* Disable the color Keying for LCD Layer */ 00598 HAL_LTDC_DisableColorKeying(&(hltdc_eval), LayerIndex); 00599 } 00600 00601 /** 00602 * @brief Sets the LCD text color. 00603 * @param Color: Text color code ARGB(8-8-8-8) 00604 */ 00605 void BSP_LCD_SetTextColor(uint32_t Color) 00606 { 00607 DrawProp[ActiveLayer].TextColor = Color; 00608 } 00609 00610 /** 00611 * @brief Gets the LCD text color. 00612 * @retval Used text color. 00613 */ 00614 uint32_t BSP_LCD_GetTextColor(void) 00615 { 00616 return DrawProp[ActiveLayer].TextColor; 00617 } 00618 00619 /** 00620 * @brief Sets the LCD background color. 00621 * @param Color: Layer background color code ARGB(8-8-8-8) 00622 */ 00623 void BSP_LCD_SetBackColor(uint32_t Color) 00624 { 00625 DrawProp[ActiveLayer].BackColor = Color; 00626 } 00627 00628 /** 00629 * @brief Gets the LCD background color. 00630 * @retval Used background color 00631 */ 00632 uint32_t BSP_LCD_GetBackColor(void) 00633 { 00634 return DrawProp[ActiveLayer].BackColor; 00635 } 00636 00637 /** 00638 * @brief Sets the LCD text font. 00639 * @param fonts: Layer font to be used 00640 */ 00641 void BSP_LCD_SetFont(sFONT *fonts) 00642 { 00643 DrawProp[ActiveLayer].pFont = fonts; 00644 } 00645 00646 /** 00647 * @brief Gets the LCD text font. 00648 * @retval Used layer font 00649 */ 00650 sFONT *BSP_LCD_GetFont(void) 00651 { 00652 return DrawProp[ActiveLayer].pFont; 00653 } 00654 00655 /** 00656 * @brief Reads an LCD pixel. 00657 * @param Xpos: X position 00658 * @param Ypos: Y position 00659 * @retval RGB pixel color 00660 */ 00661 uint32_t BSP_LCD_ReadPixel(uint16_t Xpos, uint16_t Ypos) 00662 { 00663 uint32_t ret = 0; 00664 00665 if(hltdc_eval.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_ARGB8888) 00666 { 00667 /* Read data value from SDRAM memory */ 00668 ret = *(__IO uint32_t*) (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*BSP_LCD_GetXSize() + Xpos))); 00669 } 00670 else if(hltdc_eval.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_RGB888) 00671 { 00672 /* Read data value from SDRAM memory */ 00673 ret = (*(__IO uint32_t*) (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*BSP_LCD_GetXSize() + Xpos))) & 0x00FFFFFF); 00674 } 00675 else if((hltdc_eval.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_RGB565) || \ 00676 (hltdc_eval.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_ARGB4444) || \ 00677 (hltdc_eval.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_AL88)) 00678 { 00679 /* Read data value from SDRAM memory */ 00680 ret = *(__IO uint16_t*) (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress + (2*(Ypos*BSP_LCD_GetXSize() + Xpos))); 00681 } 00682 else 00683 { 00684 /* Read data value from SDRAM memory */ 00685 ret = *(__IO uint8_t*) (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress + (2*(Ypos*BSP_LCD_GetXSize() + Xpos))); 00686 } 00687 00688 return ret; 00689 } 00690 00691 /** 00692 * @brief Clears the whole currently active layer of LTDC. 00693 * @param Color: Color of the background 00694 */ 00695 void BSP_LCD_Clear(uint32_t Color) 00696 { 00697 /* Clear the LCD */ 00698 LL_FillBuffer(ActiveLayer, (uint32_t *)(hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress), BSP_LCD_GetXSize(), BSP_LCD_GetYSize(), 0, Color); 00699 } 00700 00701 /** 00702 * @brief Clears the selected line in currently active layer. 00703 * @param Line: Line to be cleared 00704 */ 00705 void BSP_LCD_ClearStringLine(uint32_t Line) 00706 { 00707 uint32_t color_backup = DrawProp[ActiveLayer].TextColor; 00708 DrawProp[ActiveLayer].TextColor = DrawProp[ActiveLayer].BackColor; 00709 00710 /* Draw rectangle with background color */ 00711 BSP_LCD_FillRect(0, (Line * DrawProp[ActiveLayer].pFont->Height), BSP_LCD_GetXSize(), DrawProp[ActiveLayer].pFont->Height); 00712 00713 DrawProp[ActiveLayer].TextColor = color_backup; 00714 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 00715 } 00716 00717 /** 00718 * @brief Displays one character in currently active layer. 00719 * @param Xpos: Start column address 00720 * @param Ypos: Line where to display the character shape. 00721 * @param Ascii: Character ascii code 00722 * This parameter must be a number between Min_Data = 0x20 and Max_Data = 0x7E 00723 */ 00724 void BSP_LCD_DisplayChar(uint16_t Xpos, uint16_t Ypos, uint8_t Ascii) 00725 { 00726 DrawChar(Xpos, Ypos, &DrawProp[ActiveLayer].pFont->table[(Ascii-' ') *\ 00727 DrawProp[ActiveLayer].pFont->Height * ((DrawProp[ActiveLayer].pFont->Width + 7) / 8)]); 00728 } 00729 00730 /** 00731 * @brief Displays characters in currently active layer. 00732 * @param Xpos: X position (in pixel) 00733 * @param Ypos: Y position (in pixel) 00734 * @param Text: Pointer to string to display on LCD 00735 * @param Mode: Display mode 00736 * This parameter can be one of the following values: 00737 * @arg CENTER_MODE 00738 * @arg RIGHT_MODE 00739 * @arg LEFT_MODE 00740 */ 00741 void BSP_LCD_DisplayStringAt(uint16_t Xpos, uint16_t Ypos, uint8_t *Text, Text_AlignModeTypdef Mode) 00742 { 00743 uint16_t refcolumn = 1, i = 0; 00744 uint32_t size = 0, xsize = 0; 00745 uint8_t *ptr = Text; 00746 00747 /* Get the text size */ 00748 while (*ptr++) size ++ ; 00749 00750 /* Characters number per line */ 00751 xsize = (BSP_LCD_GetXSize()/DrawProp[ActiveLayer].pFont->Width); 00752 00753 switch (Mode) 00754 { 00755 case CENTER_MODE: 00756 { 00757 refcolumn = Xpos + ((xsize - size)* DrawProp[ActiveLayer].pFont->Width) / 2; 00758 break; 00759 } 00760 case LEFT_MODE: 00761 { 00762 refcolumn = Xpos; 00763 break; 00764 } 00765 case RIGHT_MODE: 00766 { 00767 refcolumn = - Xpos + ((xsize - size)*DrawProp[ActiveLayer].pFont->Width); 00768 break; 00769 } 00770 default: 00771 { 00772 refcolumn = Xpos; 00773 break; 00774 } 00775 } 00776 00777 /* Check that the Start column is located in the screen */ 00778 if ((refcolumn < 1) || (refcolumn >= 0x8000)) 00779 { 00780 refcolumn = 1; 00781 } 00782 00783 /* Send the string character by character on LCD */ 00784 while ((*Text != 0) & (((BSP_LCD_GetXSize() - (i*DrawProp[ActiveLayer].pFont->Width)) & 0xFFFF) >= DrawProp[ActiveLayer].pFont->Width)) 00785 { 00786 /* Display one character on LCD */ 00787 BSP_LCD_DisplayChar(refcolumn, Ypos, *Text); 00788 /* Decrement the column position by 16 */ 00789 refcolumn += DrawProp[ActiveLayer].pFont->Width; 00790 00791 /* Point on the next character */ 00792 Text++; 00793 i++; 00794 } 00795 00796 } 00797 00798 /** 00799 * @brief Displays a maximum of 60 characters on the LCD. 00800 * @param Line: Line where to display the character shape 00801 * @param ptr: Pointer to string to display on LCD 00802 */ 00803 void BSP_LCD_DisplayStringAtLine(uint16_t Line, uint8_t *ptr) 00804 { 00805 BSP_LCD_DisplayStringAt(0, LINE(Line), ptr, LEFT_MODE); 00806 } 00807 00808 /** 00809 * @brief Draws an horizontal line in currently active layer. 00810 * @param Xpos: X position 00811 * @param Ypos: Y position 00812 * @param Length: Line length 00813 */ 00814 void BSP_LCD_DrawHLine(uint16_t Xpos, uint16_t Ypos, uint16_t Length) 00815 { 00816 uint32_t Xaddress = 0; 00817 00818 /* Get the line address */ 00819 Xaddress = (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress) + 4*(BSP_LCD_GetXSize()*Ypos + Xpos); 00820 00821 /* Write line */ 00822 LL_FillBuffer(ActiveLayer, (uint32_t *)Xaddress, Length, 1, 0, DrawProp[ActiveLayer].TextColor); 00823 } 00824 00825 /** 00826 * @brief Draws a vertical line in currently active layer. 00827 * @param Xpos: X position 00828 * @param Ypos: Y position 00829 * @param Length: Line length 00830 */ 00831 void BSP_LCD_DrawVLine(uint16_t Xpos, uint16_t Ypos, uint16_t Length) 00832 { 00833 uint32_t Xaddress = 0; 00834 00835 /* Get the line address */ 00836 Xaddress = (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress) + 4*(BSP_LCD_GetXSize()*Ypos + Xpos); 00837 00838 /* Write line */ 00839 LL_FillBuffer(ActiveLayer, (uint32_t *)Xaddress, 1, Length, (BSP_LCD_GetXSize() - 1), DrawProp[ActiveLayer].TextColor); 00840 } 00841 00842 /** 00843 * @brief Draws an uni-line (between two points) in currently active layer. 00844 * @param x1: Point 1 X position 00845 * @param y1: Point 1 Y position 00846 * @param x2: Point 2 X position 00847 * @param y2: Point 2 Y position 00848 */ 00849 void BSP_LCD_DrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) 00850 { 00851 int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, 00852 yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, 00853 curpixel = 0; 00854 00855 deltax = ABS(x2 - x1); /* The difference between the x's */ 00856 deltay = ABS(y2 - y1); /* The difference between the y's */ 00857 x = x1; /* Start x off at the first pixel */ 00858 y = y1; /* Start y off at the first pixel */ 00859 00860 if (x2 >= x1) /* The x-values are increasing */ 00861 { 00862 xinc1 = 1; 00863 xinc2 = 1; 00864 } 00865 else /* The x-values are decreasing */ 00866 { 00867 xinc1 = -1; 00868 xinc2 = -1; 00869 } 00870 00871 if (y2 >= y1) /* The y-values are increasing */ 00872 { 00873 yinc1 = 1; 00874 yinc2 = 1; 00875 } 00876 else /* The y-values are decreasing */ 00877 { 00878 yinc1 = -1; 00879 yinc2 = -1; 00880 } 00881 00882 if (deltax >= deltay) /* There is at least one x-value for every y-value */ 00883 { 00884 xinc1 = 0; /* Don't change the x when numerator >= denominator */ 00885 yinc2 = 0; /* Don't change the y for every iteration */ 00886 den = deltax; 00887 num = deltax / 2; 00888 numadd = deltay; 00889 numpixels = deltax; /* There are more x-values than y-values */ 00890 } 00891 else /* There is at least one y-value for every x-value */ 00892 { 00893 xinc2 = 0; /* Don't change the x for every iteration */ 00894 yinc1 = 0; /* Don't change the y when numerator >= denominator */ 00895 den = deltay; 00896 num = deltay / 2; 00897 numadd = deltax; 00898 numpixels = deltay; /* There are more y-values than x-values */ 00899 } 00900 00901 for (curpixel = 0; curpixel <= numpixels; curpixel++) 00902 { 00903 BSP_LCD_DrawPixel(x, y, DrawProp[ActiveLayer].TextColor); /* Draw the current pixel */ 00904 num += numadd; /* Increase the numerator by the top of the fraction */ 00905 if (num >= den) /* Check if numerator >= denominator */ 00906 { 00907 num -= den; /* Calculate the new numerator value */ 00908 x += xinc1; /* Change the x as appropriate */ 00909 y += yinc1; /* Change the y as appropriate */ 00910 } 00911 x += xinc2; /* Change the x as appropriate */ 00912 y += yinc2; /* Change the y as appropriate */ 00913 } 00914 } 00915 00916 /** 00917 * @brief Draws a rectangle in currently active layer. 00918 * @param Xpos: X position 00919 * @param Ypos: Y position 00920 * @param Width: Rectangle width 00921 * @param Height: Rectangle height 00922 */ 00923 void BSP_LCD_DrawRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) 00924 { 00925 /* Draw horizontal lines */ 00926 BSP_LCD_DrawHLine(Xpos, Ypos, Width); 00927 BSP_LCD_DrawHLine(Xpos, (Ypos+ Height), Width); 00928 00929 /* Draw vertical lines */ 00930 BSP_LCD_DrawVLine(Xpos, Ypos, Height); 00931 BSP_LCD_DrawVLine((Xpos + Width), Ypos, Height); 00932 } 00933 00934 /** 00935 * @brief Draws a circle in currently active layer. 00936 * @param Xpos: X position 00937 * @param Ypos: Y position 00938 * @param Radius: Circle radius 00939 */ 00940 void BSP_LCD_DrawCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius) 00941 { 00942 int32_t D; /* Decision Variable */ 00943 uint32_t CurX; /* Current X Value */ 00944 uint32_t CurY; /* Current Y Value */ 00945 00946 D = 3 - (Radius << 1); 00947 CurX = 0; 00948 CurY = Radius; 00949 00950 while (CurX <= CurY) 00951 { 00952 BSP_LCD_DrawPixel((Xpos + CurX), (Ypos - CurY), DrawProp[ActiveLayer].TextColor); 00953 00954 BSP_LCD_DrawPixel((Xpos - CurX), (Ypos - CurY), DrawProp[ActiveLayer].TextColor); 00955 00956 BSP_LCD_DrawPixel((Xpos + CurY), (Ypos - CurX), DrawProp[ActiveLayer].TextColor); 00957 00958 BSP_LCD_DrawPixel((Xpos - CurY), (Ypos - CurX), DrawProp[ActiveLayer].TextColor); 00959 00960 BSP_LCD_DrawPixel((Xpos + CurX), (Ypos + CurY), DrawProp[ActiveLayer].TextColor); 00961 00962 BSP_LCD_DrawPixel((Xpos - CurX), (Ypos + CurY), DrawProp[ActiveLayer].TextColor); 00963 00964 BSP_LCD_DrawPixel((Xpos + CurY), (Ypos + CurX), DrawProp[ActiveLayer].TextColor); 00965 00966 BSP_LCD_DrawPixel((Xpos - CurY), (Ypos + CurX), DrawProp[ActiveLayer].TextColor); 00967 00968 if (D < 0) 00969 { 00970 D += (CurX << 2) + 6; 00971 } 00972 else 00973 { 00974 D += ((CurX - CurY) << 2) + 10; 00975 CurY--; 00976 } 00977 CurX++; 00978 } 00979 } 00980 00981 /** 00982 * @brief Draws an poly-line (between many points) in currently active layer. 00983 * @param Points: Pointer to the points array 00984 * @param PointCount: Number of points 00985 */ 00986 void BSP_LCD_DrawPolygon(pPoint Points, uint16_t PointCount) 00987 { 00988 int16_t X = 0, Y = 0; 00989 00990 if(PointCount < 2) 00991 { 00992 return; 00993 } 00994 00995 BSP_LCD_DrawLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y); 00996 00997 while(--PointCount) 00998 { 00999 X = Points->X; 01000 Y = Points->Y; 01001 Points++; 01002 BSP_LCD_DrawLine(X, Y, Points->X, Points->Y); 01003 } 01004 } 01005 01006 /** 01007 * @brief Draws an ellipse on LCD in currently active layer. 01008 * @param Xpos: X position 01009 * @param Ypos: Y position 01010 * @param XRadius: Ellipse X radius 01011 * @param YRadius: Ellipse Y radius 01012 */ 01013 void BSP_LCD_DrawEllipse(int Xpos, int Ypos, int XRadius, int YRadius) 01014 { 01015 int x = 0, y = -YRadius, err = 2-2*XRadius, e2; 01016 float K = 0, rad1 = 0, rad2 = 0; 01017 01018 rad1 = XRadius; 01019 rad2 = YRadius; 01020 01021 K = (float)(rad2/rad1); 01022 01023 do { 01024 BSP_LCD_DrawPixel((Xpos-(uint16_t)(x/K)), (Ypos+y), DrawProp[ActiveLayer].TextColor); 01025 BSP_LCD_DrawPixel((Xpos+(uint16_t)(x/K)), (Ypos+y), DrawProp[ActiveLayer].TextColor); 01026 BSP_LCD_DrawPixel((Xpos+(uint16_t)(x/K)), (Ypos-y), DrawProp[ActiveLayer].TextColor); 01027 BSP_LCD_DrawPixel((Xpos-(uint16_t)(x/K)), (Ypos-y), DrawProp[ActiveLayer].TextColor); 01028 01029 e2 = err; 01030 if (e2 <= x) { 01031 err += ++x*2+1; 01032 if (-y == x && e2 <= y) e2 = 0; 01033 } 01034 if (e2 > y) err += ++y*2+1; 01035 } 01036 while (y <= 0); 01037 } 01038 01039 /** 01040 * @brief Draws a bitmap picture loaded in the internal Flash (32 bpp) in currently active layer. 01041 * @param Xpos: Bmp X position in the LCD 01042 * @param Ypos: Bmp Y position in the LCD 01043 * @param pbmp: Pointer to Bmp picture address in the internal Flash 01044 */ 01045 void BSP_LCD_DrawBitmap(uint32_t Xpos, uint32_t Ypos, uint8_t *pbmp) 01046 { 01047 uint32_t index = 0, width = 0, height = 0, bit_pixel = 0; 01048 uint32_t Address; 01049 uint32_t InputColorMode = 0; 01050 01051 /* Get bitmap data address offset */ 01052 index = *(__IO uint16_t *) (pbmp + 10); 01053 index |= (*(__IO uint16_t *) (pbmp + 12)) << 16; 01054 01055 /* Read bitmap width */ 01056 width = *(uint16_t *) (pbmp + 18); 01057 width |= (*(uint16_t *) (pbmp + 20)) << 16; 01058 01059 /* Read bitmap height */ 01060 height = *(uint16_t *) (pbmp + 22); 01061 height |= (*(uint16_t *) (pbmp + 24)) << 16; 01062 01063 /* Read bit/pixel */ 01064 bit_pixel = *(uint16_t *) (pbmp + 28); 01065 01066 /* Set the address */ 01067 Address = hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress + (((BSP_LCD_GetXSize()*Ypos) + Xpos)*(4)); 01068 01069 /* Get the layer pixel format */ 01070 if ((bit_pixel/8) == 4) 01071 { 01072 InputColorMode = CM_ARGB8888; 01073 } 01074 else if ((bit_pixel/8) == 2) 01075 { 01076 InputColorMode = CM_RGB565; 01077 } 01078 else 01079 { 01080 InputColorMode = CM_RGB888; 01081 } 01082 01083 /* Bypass the bitmap header */ 01084 pbmp += (index + (width * (height - 1) * (bit_pixel/8))); 01085 01086 /* Convert picture to ARGB8888 pixel format */ 01087 for(index=0; index < height; index++) 01088 { 01089 /* Pixel format conversion */ 01090 LL_ConvertLineToARGB8888((uint32_t *)pbmp, (uint32_t *)Address, width, InputColorMode); 01091 01092 /* Increment the source and destination buffers */ 01093 Address+= (BSP_LCD_GetXSize()*4); 01094 pbmp -= width*(bit_pixel/8); 01095 } 01096 } 01097 01098 /** 01099 * @brief Draws a full rectangle in currently active layer. 01100 * @param Xpos: X position 01101 * @param Ypos: Y position 01102 * @param Width: Rectangle width 01103 * @param Height: Rectangle height 01104 */ 01105 void BSP_LCD_FillRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) 01106 { 01107 uint32_t Xaddress = 0; 01108 01109 /* Set the text color */ 01110 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 01111 01112 /* Get the rectangle start address */ 01113 Xaddress = (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress) + 4*(BSP_LCD_GetXSize()*Ypos + Xpos); 01114 01115 /* Fill the rectangle */ 01116 LL_FillBuffer(ActiveLayer, (uint32_t *)Xaddress, Width, Height, (BSP_LCD_GetXSize() - Width), DrawProp[ActiveLayer].TextColor); 01117 } 01118 01119 /** 01120 * @brief Draws a full circle in currently active layer. 01121 * @param Xpos: X position 01122 * @param Ypos: Y position 01123 * @param Radius: Circle radius 01124 */ 01125 void BSP_LCD_FillCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius) 01126 { 01127 int32_t D; /* Decision Variable */ 01128 uint32_t CurX; /* Current X Value */ 01129 uint32_t CurY; /* Current Y Value */ 01130 01131 D = 3 - (Radius << 1); 01132 01133 CurX = 0; 01134 CurY = Radius; 01135 01136 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 01137 01138 while (CurX <= CurY) 01139 { 01140 if(CurY > 0) 01141 { 01142 BSP_LCD_DrawHLine(Xpos - CurY, Ypos + CurX, 2*CurY); 01143 BSP_LCD_DrawHLine(Xpos - CurY, Ypos - CurX, 2*CurY); 01144 } 01145 01146 if(CurX > 0) 01147 { 01148 BSP_LCD_DrawHLine(Xpos - CurX, Ypos - CurY, 2*CurX); 01149 BSP_LCD_DrawHLine(Xpos - CurX, Ypos + CurY, 2*CurX); 01150 } 01151 if (D < 0) 01152 { 01153 D += (CurX << 2) + 6; 01154 } 01155 else 01156 { 01157 D += ((CurX - CurY) << 2) + 10; 01158 CurY--; 01159 } 01160 CurX++; 01161 } 01162 01163 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 01164 BSP_LCD_DrawCircle(Xpos, Ypos, Radius); 01165 } 01166 01167 /** 01168 * @brief Draws a full poly-line (between many points) in currently active layer. 01169 * @param Points: Pointer to the points array 01170 * @param PointCount: Number of points 01171 */ 01172 void BSP_LCD_FillPolygon(pPoint Points, uint16_t PointCount) 01173 { 01174 int16_t X = 0, Y = 0, X2 = 0, Y2 = 0, X_center = 0, Y_center = 0, X_first = 0, Y_first = 0, pixelX = 0, pixelY = 0, counter = 0; 01175 uint16_t IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0; 01176 01177 IMAGE_LEFT = IMAGE_RIGHT = Points->X; 01178 IMAGE_TOP= IMAGE_BOTTOM = Points->Y; 01179 01180 for(counter = 1; counter < PointCount; counter++) 01181 { 01182 pixelX = POLY_X(counter); 01183 if(pixelX < IMAGE_LEFT) 01184 { 01185 IMAGE_LEFT = pixelX; 01186 } 01187 if(pixelX > IMAGE_RIGHT) 01188 { 01189 IMAGE_RIGHT = pixelX; 01190 } 01191 01192 pixelY = POLY_Y(counter); 01193 if(pixelY < IMAGE_TOP) 01194 { 01195 IMAGE_TOP = pixelY; 01196 } 01197 if(pixelY > IMAGE_BOTTOM) 01198 { 01199 IMAGE_BOTTOM = pixelY; 01200 } 01201 } 01202 01203 if(PointCount < 2) 01204 { 01205 return; 01206 } 01207 01208 X_center = (IMAGE_LEFT + IMAGE_RIGHT)/2; 01209 Y_center = (IMAGE_BOTTOM + IMAGE_TOP)/2; 01210 01211 X_first = Points->X; 01212 Y_first = Points->Y; 01213 01214 while(--PointCount) 01215 { 01216 X = Points->X; 01217 Y = Points->Y; 01218 Points++; 01219 X2 = Points->X; 01220 Y2 = Points->Y; 01221 01222 FillTriangle(X, X2, X_center, Y, Y2, Y_center); 01223 FillTriangle(X, X_center, X2, Y, Y_center, Y2); 01224 FillTriangle(X_center, X2, X, Y_center, Y2, Y); 01225 } 01226 01227 FillTriangle(X_first, X2, X_center, Y_first, Y2, Y_center); 01228 FillTriangle(X_first, X_center, X2, Y_first, Y_center, Y2); 01229 FillTriangle(X_center, X2, X_first, Y_center, Y2, Y_first); 01230 } 01231 01232 /** 01233 * @brief Draws a full ellipse in currently active layer. 01234 * @param Xpos: X position 01235 * @param Ypos: Y position 01236 * @param XRadius: Ellipse X radius 01237 * @param YRadius: Ellipse Y radius 01238 */ 01239 void BSP_LCD_FillEllipse(int Xpos, int Ypos, int XRadius, int YRadius) 01240 { 01241 int x = 0, y = -YRadius, err = 2-2*XRadius, e2; 01242 float K = 0, rad1 = 0, rad2 = 0; 01243 01244 rad1 = XRadius; 01245 rad2 = YRadius; 01246 01247 K = (float)(rad2/rad1); 01248 01249 do 01250 { 01251 BSP_LCD_DrawHLine((Xpos-(uint16_t)(x/K)), (Ypos+y), (2*(uint16_t)(x/K) + 1)); 01252 BSP_LCD_DrawHLine((Xpos-(uint16_t)(x/K)), (Ypos-y), (2*(uint16_t)(x/K) + 1)); 01253 01254 e2 = err; 01255 if (e2 <= x) 01256 { 01257 err += ++x*2+1; 01258 if (-y == x && e2 <= y) e2 = 0; 01259 } 01260 if (e2 > y) err += ++y*2+1; 01261 } 01262 while (y <= 0); 01263 } 01264 01265 /** 01266 * @brief Switch back on the display if was switched off by previous call of BSP_LCD_DisplayOff(). 01267 * Exit DSI ULPM mode if was allowed and configured in Dsi Configuration. 01268 */ 01269 void BSP_LCD_DisplayOn(void) 01270 { 01271 /* Send Display on DCS command to display */ 01272 HAL_DSI_ShortWrite(&(hdsi_eval), 01273 hdsivideo_handle.VirtualChannelID, 01274 DSI_DCS_SHORT_PKT_WRITE_P1, 01275 OTM8009A_CMD_DISPON, 01276 0x00); 01277 01278 } 01279 01280 /** 01281 * @brief Switch Off the display. 01282 * Enter DSI ULPM mode if was allowed and configured in Dsi Configuration. 01283 */ 01284 void BSP_LCD_DisplayOff(void) 01285 { 01286 /* Send Display off DCS Command to display */ 01287 HAL_DSI_ShortWrite(&(hdsi_eval), 01288 hdsivideo_handle.VirtualChannelID, 01289 DSI_DCS_SHORT_PKT_WRITE_P1, 01290 OTM8009A_CMD_DISPOFF, 01291 0x00); 01292 01293 } 01294 01295 /** 01296 * @brief DCS or Generic short/long write command 01297 * @param NbrParams: Number of parameters. It indicates the write command mode: 01298 * If inferior to 2, a long write command is performed else short. 01299 * @param pParams: Pointer to parameter values table. 01300 * @retval HAL status 01301 */ 01302 void DSI_IO_WriteCmd(uint32_t NbrParams, uint8_t *pParams) 01303 { 01304 if(NbrParams <= 1) 01305 { 01306 HAL_DSI_ShortWrite(&hdsi_eval, LCD_OTM8009A_ID, DSI_DCS_SHORT_PKT_WRITE_P1, pParams[0], pParams[1]); 01307 } 01308 else 01309 { 01310 HAL_DSI_LongWrite(&hdsi_eval, LCD_OTM8009A_ID, DSI_DCS_LONG_PKT_WRITE, NbrParams, pParams[NbrParams], pParams); 01311 } 01312 } 01313 01314 /******************************************************************************* 01315 LTDC, DMA2D and DSI BSP Routines 01316 *******************************************************************************/ 01317 /** 01318 * @brief Handles DMA2D interrupt request. 01319 * @note : Can be surcharged by application code implementation of the function. 01320 */ 01321 __weak void BSP_LCD_DMA2D_IRQHandler(void) 01322 { 01323 HAL_DMA2D_IRQHandler(&hdma2d_eval); 01324 } 01325 01326 /** 01327 * @brief Handles DSI interrupt request. 01328 * @note : Can be surcharged by application code implementation of the function. 01329 */ 01330 __weak void BSP_LCD_DSI_IRQHandler(void) 01331 { 01332 HAL_DSI_IRQHandler(&(hdsi_eval)); 01333 } 01334 01335 01336 /** 01337 * @brief Handles LTDC interrupt request. 01338 * @note : Can be surcharged by application code implementation of the function. 01339 */ 01340 __weak void BSP_LCD_LTDC_IRQHandler(void) 01341 { 01342 HAL_LTDC_IRQHandler(&(hltdc_eval)); 01343 } 01344 01345 /** 01346 * @brief De-Initializes the BSP LCD Msp 01347 * Application can surcharge if needed this function implementation. 01348 */ 01349 __weak void BSP_LCD_MspDeInit(void) 01350 { 01351 /** @brief Disable IRQ of LTDC IP */ 01352 HAL_NVIC_DisableIRQ(LTDC_IRQn); 01353 01354 /** @brief Disable IRQ of DMA2D IP */ 01355 HAL_NVIC_DisableIRQ(DMA2D_IRQn); 01356 01357 /** @brief Disable IRQ of DSI IP */ 01358 HAL_NVIC_DisableIRQ(DSI_IRQn); 01359 01360 /** @brief Force and let in reset state LTDC, DMA2D and DSI Host + Wrapper IPs */ 01361 __HAL_RCC_LTDC_FORCE_RESET(); 01362 __HAL_RCC_DMA2D_FORCE_RESET(); 01363 __HAL_RCC_DSI_FORCE_RESET(); 01364 01365 /** @brief Disable the LTDC, DMA2D and DSI Host and Wrapper clocks */ 01366 __HAL_RCC_LTDC_CLK_DISABLE(); 01367 __HAL_RCC_DMA2D_CLK_DISABLE(); 01368 __HAL_RCC_DSI_CLK_DISABLE(); 01369 } 01370 01371 /** 01372 * @brief Initialize the BSP LCD Msp. 01373 * Application can surcharge if needed this function implementation 01374 */ 01375 __weak void BSP_LCD_MspInit(void) 01376 { 01377 /** @brief Enable the LTDC clock */ 01378 __HAL_RCC_LTDC_CLK_ENABLE(); 01379 01380 /** @brief Toggle Sw reset of LTDC IP */ 01381 __HAL_RCC_LTDC_FORCE_RESET(); 01382 __HAL_RCC_LTDC_RELEASE_RESET(); 01383 01384 /** @brief Enable the DMA2D clock */ 01385 __HAL_RCC_DMA2D_CLK_ENABLE(); 01386 01387 /** @brief Toggle Sw reset of DMA2D IP */ 01388 __HAL_RCC_DMA2D_FORCE_RESET(); 01389 __HAL_RCC_DMA2D_RELEASE_RESET(); 01390 01391 /** @brief Enable DSI Host and wrapper clocks */ 01392 __HAL_RCC_DSI_CLK_ENABLE(); 01393 01394 /** @brief Soft Reset the DSI Host and wrapper */ 01395 __HAL_RCC_DSI_FORCE_RESET(); 01396 __HAL_RCC_DSI_RELEASE_RESET(); 01397 01398 /** @brief NVIC configuration for LTDC interrupt that is now enabled */ 01399 HAL_NVIC_SetPriority(LTDC_IRQn, 3, 0); 01400 HAL_NVIC_EnableIRQ(LTDC_IRQn); 01401 01402 /** @brief NVIC configuration for DMA2D interrupt that is now enabled */ 01403 HAL_NVIC_SetPriority(DMA2D_IRQn, 3, 0); 01404 HAL_NVIC_EnableIRQ(DMA2D_IRQn); 01405 01406 /** @brief NVIC configuration for DSI interrupt that is now enabled */ 01407 HAL_NVIC_SetPriority(DSI_IRQn, 3, 0); 01408 HAL_NVIC_EnableIRQ(DSI_IRQn); 01409 } 01410 01411 /** 01412 * @brief This function handles LTDC Error interrupt Handler. 01413 * @note : Can be surcharged by application code implementation of the function. 01414 */ 01415 01416 __weak void BSP_LCD_LTDC_ER_IRQHandler(void) 01417 { 01418 HAL_LTDC_IRQHandler(&(hltdc_eval)); 01419 } 01420 01421 01422 /** 01423 * @brief Draws a pixel on LCD. 01424 * @param Xpos: X position 01425 * @param Ypos: Y position 01426 * @param RGB_Code: Pixel color in ARGB mode (8-8-8-8) 01427 */ 01428 void BSP_LCD_DrawPixel(uint16_t Xpos, uint16_t Ypos, uint32_t RGB_Code) 01429 { 01430 /* Write data value to all SDRAM memory */ 01431 *(__IO uint32_t*) (hltdc_eval.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*BSP_LCD_GetXSize() + Xpos))) = RGB_Code; 01432 } 01433 01434 01435 /** 01436 * @brief Draws a character on LCD. 01437 * @param Xpos: Line where to display the character shape 01438 * @param Ypos: Start column address 01439 * @param c: Pointer to the character data 01440 */ 01441 static void DrawChar(uint16_t Xpos, uint16_t Ypos, const uint8_t *c) 01442 { 01443 uint32_t i = 0, j = 0; 01444 uint16_t height, width; 01445 uint8_t offset; 01446 uint8_t *pchar; 01447 uint32_t line; 01448 01449 height = DrawProp[ActiveLayer].pFont->Height; 01450 width = DrawProp[ActiveLayer].pFont->Width; 01451 01452 offset = 8 *((width + 7)/8) - width ; 01453 01454 for(i = 0; i < height; i++) 01455 { 01456 pchar = ((uint8_t *)c + (width + 7)/8 * i); 01457 01458 switch(((width + 7)/8)) 01459 { 01460 01461 case 1: 01462 line = pchar[0]; 01463 break; 01464 01465 case 2: 01466 line = (pchar[0]<< 8) | pchar[1]; 01467 break; 01468 01469 case 3: 01470 default: 01471 line = (pchar[0]<< 16) | (pchar[1]<< 8) | pchar[2]; 01472 break; 01473 } 01474 01475 for (j = 0; j < width; j++) 01476 { 01477 if(line & (1 << (width- j + offset- 1))) 01478 { 01479 BSP_LCD_DrawPixel((Xpos + j), Ypos, DrawProp[ActiveLayer].TextColor); 01480 } 01481 else 01482 { 01483 BSP_LCD_DrawPixel((Xpos + j), Ypos, DrawProp[ActiveLayer].BackColor); 01484 } 01485 } 01486 Ypos++; 01487 } 01488 } 01489 01490 /** 01491 * @brief Fills a triangle (between 3 points). 01492 * @param x1: Point 1 X position 01493 * @param y1: Point 1 Y position 01494 * @param x2: Point 2 X position 01495 * @param y2: Point 2 Y position 01496 * @param x3: Point 3 X position 01497 * @param y3: Point 3 Y position 01498 */ 01499 static void FillTriangle(uint16_t x1, uint16_t x2, uint16_t x3, uint16_t y1, uint16_t y2, uint16_t y3) 01500 { 01501 int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, 01502 yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, 01503 curpixel = 0; 01504 01505 deltax = ABS(x2 - x1); /* The difference between the x's */ 01506 deltay = ABS(y2 - y1); /* The difference between the y's */ 01507 x = x1; /* Start x off at the first pixel */ 01508 y = y1; /* Start y off at the first pixel */ 01509 01510 if (x2 >= x1) /* The x-values are increasing */ 01511 { 01512 xinc1 = 1; 01513 xinc2 = 1; 01514 } 01515 else /* The x-values are decreasing */ 01516 { 01517 xinc1 = -1; 01518 xinc2 = -1; 01519 } 01520 01521 if (y2 >= y1) /* The y-values are increasing */ 01522 { 01523 yinc1 = 1; 01524 yinc2 = 1; 01525 } 01526 else /* The y-values are decreasing */ 01527 { 01528 yinc1 = -1; 01529 yinc2 = -1; 01530 } 01531 01532 if (deltax >= deltay) /* There is at least one x-value for every y-value */ 01533 { 01534 xinc1 = 0; /* Don't change the x when numerator >= denominator */ 01535 yinc2 = 0; /* Don't change the y for every iteration */ 01536 den = deltax; 01537 num = deltax / 2; 01538 numadd = deltay; 01539 numpixels = deltax; /* There are more x-values than y-values */ 01540 } 01541 else /* There is at least one y-value for every x-value */ 01542 { 01543 xinc2 = 0; /* Don't change the x for every iteration */ 01544 yinc1 = 0; /* Don't change the y when numerator >= denominator */ 01545 den = deltay; 01546 num = deltay / 2; 01547 numadd = deltax; 01548 numpixels = deltay; /* There are more y-values than x-values */ 01549 } 01550 01551 for (curpixel = 0; curpixel <= numpixels; curpixel++) 01552 { 01553 BSP_LCD_DrawLine(x, y, x3, y3); 01554 01555 num += numadd; /* Increase the numerator by the top of the fraction */ 01556 if (num >= den) /* Check if numerator >= denominator */ 01557 { 01558 num -= den; /* Calculate the new numerator value */ 01559 x += xinc1; /* Change the x as appropriate */ 01560 y += yinc1; /* Change the y as appropriate */ 01561 } 01562 x += xinc2; /* Change the x as appropriate */ 01563 y += yinc2; /* Change the y as appropriate */ 01564 } 01565 } 01566 01567 /** 01568 * @brief Fills a buffer. 01569 * @param LayerIndex: Layer index 01570 * @param pDst: Pointer to destination buffer 01571 * @param xSize: Buffer width 01572 * @param ySize: Buffer height 01573 * @param OffLine: Offset 01574 * @param ColorIndex: Color index 01575 */ 01576 static void LL_FillBuffer(uint32_t LayerIndex, void *pDst, uint32_t xSize, uint32_t ySize, uint32_t OffLine, uint32_t ColorIndex) 01577 { 01578 /* Register to memory mode with ARGB8888 as color Mode */ 01579 hdma2d_eval.Init.Mode = DMA2D_R2M; 01580 hdma2d_eval.Init.ColorMode = DMA2D_ARGB8888; 01581 hdma2d_eval.Init.OutputOffset = OffLine; 01582 01583 hdma2d_eval.Instance = DMA2D; 01584 01585 /* DMA2D Initialization */ 01586 if(HAL_DMA2D_Init(&hdma2d_eval) == HAL_OK) 01587 { 01588 if(HAL_DMA2D_ConfigLayer(&hdma2d_eval, LayerIndex) == HAL_OK) 01589 { 01590 if (HAL_DMA2D_Start(&hdma2d_eval, ColorIndex, (uint32_t)pDst, xSize, ySize) == HAL_OK) 01591 { 01592 /* Polling For DMA transfer */ 01593 HAL_DMA2D_PollForTransfer(&hdma2d_eval, 10); 01594 } 01595 } 01596 } 01597 } 01598 01599 /** 01600 * @brief Converts a line to an ARGB8888 pixel format. 01601 * @param pSrc: Pointer to source buffer 01602 * @param pDst: Output color 01603 * @param xSize: Buffer width 01604 * @param ColorMode: Input color mode 01605 */ 01606 static void LL_ConvertLineToARGB8888(void *pSrc, void *pDst, uint32_t xSize, uint32_t ColorMode) 01607 { 01608 /* Configure the DMA2D Mode, Color Mode and output offset */ 01609 hdma2d_eval.Init.Mode = DMA2D_M2M_PFC; 01610 hdma2d_eval.Init.ColorMode = DMA2D_ARGB8888; 01611 hdma2d_eval.Init.OutputOffset = 0; 01612 01613 /* Foreground Configuration */ 01614 hdma2d_eval.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA; 01615 hdma2d_eval.LayerCfg[1].InputAlpha = 0xFF; 01616 hdma2d_eval.LayerCfg[1].InputColorMode = ColorMode; 01617 hdma2d_eval.LayerCfg[1].InputOffset = 0; 01618 01619 hdma2d_eval.Instance = DMA2D; 01620 01621 /* DMA2D Initialization */ 01622 if(HAL_DMA2D_Init(&hdma2d_eval) == HAL_OK) 01623 { 01624 if(HAL_DMA2D_ConfigLayer(&hdma2d_eval, 1) == HAL_OK) 01625 { 01626 if (HAL_DMA2D_Start(&hdma2d_eval, (uint32_t)pSrc, (uint32_t)pDst, xSize, 1) == HAL_OK) 01627 { 01628 /* Polling For DMA transfer */ 01629 HAL_DMA2D_PollForTransfer(&hdma2d_eval, 10); 01630 } 01631 } 01632 } 01633 } 01634 01635 /** 01636 * @} 01637 */ 01638 01639 /** 01640 * @} 01641 */ 01642 01643 /** 01644 * @} 01645 */ 01646 01647 /** 01648 * @} 01649 */ 01650 01651 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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