STM32F769I-Discovery BSP User Manual
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stm32f769i_discovery_lcd.c
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00001 /** 00002 ****************************************************************************** 00003 * @file stm32f769i_discovery_lcd.c 00004 * @author MCD Application Team 00005 * @version V2.0.0 00006 * @date 30-December-2016 00007 * @brief This file includes the driver for Liquid Crystal Display (LCD) module 00008 * mounted on STM32F769I-DISCOVERY board. 00009 ****************************************************************************** 00010 * @attention 00011 * 00012 * <h2><center>© COPYRIGHT(c) 2016 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 "stm32f769i_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 STM32F769I_DISCOVERY 00089 * @{ 00090 */ 00091 00092 /** @defgroup STM32F769I_DISCOVERY_LCD STM32F769I_DISCOVERY LCD 00093 * @{ 00094 */ 00095 00096 /** @defgroup STM32F769I_DISCOVERY_LCD_Private_Defines LCD Private Defines 00097 * @{ 00098 */ 00099 #if defined(USE_LCD_HDMI) 00100 #define HDMI_ASPECT_RATIO_16_9 ADV7533_ASPECT_RATIO_16_9 00101 #define HDMI_ASPECT_RATIO_4_3 ADV7533_ASPECT_RATIO_4_3 00102 #endif /* USE_LCD_HDMI */ 00103 #define LCD_DSI_ID 0x11 00104 #define LCD_DSI_ADDRESS TS_I2C_ADDRESS 00105 #define LCD_DSI_ID_REG 0xA8 00106 00107 static DSI_VidCfgTypeDef hdsivideo_handle; 00108 /** 00109 * @} 00110 */ 00111 00112 /** @defgroup STM32F769I_DISCOVERY_LCD_Private_TypesDefinitions LCD Private TypesDefinitions 00113 * @{ 00114 */ 00115 #if defined(USE_LCD_HDMI) 00116 /** 00117 * @brief DSI timming params used for different HDMI adpater 00118 */ 00119 typedef struct 00120 { 00121 uint16_t HACT; 00122 uint16_t HSYNC; 00123 uint16_t HBP; 00124 uint16_t HFP; 00125 uint16_t VACT; 00126 uint16_t VSYNC; 00127 uint16_t VBP; 00128 uint16_t VFP; 00129 uint8_t ASPECT_RATIO; 00130 uint8_t RGB_CODING; 00131 } HDMI_FormatTypeDef; 00132 00133 /** 00134 * @brief DSI packet params used for different HDMI adpater 00135 */ 00136 typedef struct 00137 { 00138 uint16_t NullPacketSize; 00139 uint16_t NumberOfChunks; 00140 uint16_t PacketSize; 00141 } HDMI_DSIPacketTypeDef; 00142 00143 /** 00144 * @brief LTDC PLL params used for different HDMI adpater 00145 */ 00146 typedef struct 00147 { 00148 uint16_t PLLSAIN; 00149 uint16_t PLLSAIR; 00150 uint32_t PCLK; 00151 uint16_t IDF; 00152 uint16_t NDIV; 00153 uint16_t ODF; 00154 uint16_t LaneByteClock; 00155 uint16_t TXEscapeCkdiv; 00156 } HDMI_PLLConfigTypeDef; 00157 #endif /* USE_LCD_HDMI */ 00158 /** 00159 * @} 00160 */ 00161 00162 00163 00164 /** @defgroup STM32F769I_DISCOVERY_LCD_Private_Macros LCD Private Macros 00165 * @{ 00166 */ 00167 #define ABS(X) ((X) > 0 ? (X) : -(X)) 00168 00169 #define POLY_X(Z) ((int32_t)((Points + (Z))->X)) 00170 #define POLY_Y(Z) ((int32_t)((Points + (Z))->Y)) 00171 /** 00172 * @} 00173 */ 00174 00175 /** @defgroup STM32F769I_DISCOVERY_LCD_Exported_Variables STM32F769I DISCOVERY LCD Exported Variables 00176 * @{ 00177 */ 00178 DMA2D_HandleTypeDef hdma2d_discovery; 00179 LTDC_HandleTypeDef hltdc_discovery; 00180 DSI_HandleTypeDef hdsi_discovery; 00181 uint32_t lcd_x_size = OTM8009A_800X480_WIDTH; 00182 uint32_t lcd_y_size = OTM8009A_800X480_HEIGHT; 00183 /** 00184 * @} 00185 */ 00186 00187 00188 /** @defgroup STM32F769I_DISCOVERY_LCD_Private_Variables LCD Private Variables 00189 * @{ 00190 */ 00191 #if defined(USE_LCD_HDMI) 00192 /** 00193 * @brief DSI timming used for different HDMI resolution (720x480 and 720x576) 00194 */ 00195 HDMI_FormatTypeDef HDMI_Format[2] = 00196 { 00197 /* HA HS HB HF VA VS VB VF ASPECT BPP */ 00198 {720, 62, 60, 30, 480, 6, 19, 9, HDMI_ASPECT_RATIO_4_3, LCD_DSI_PIXEL_DATA_FMT_RBG888}, 00199 {720, 64, 68, 12, 576, 5, 39, 5, HDMI_ASPECT_RATIO_16_9, LCD_DSI_PIXEL_DATA_FMT_RBG888} 00200 00201 }; 00202 00203 /** 00204 * @brief DSI packet size used for different HDMI resolution (720x480 and 720x576) 00205 */ 00206 HDMI_DSIPacketTypeDef HDMI_DSIPacket[2] = 00207 { 00208 /* NP NC VP */ 00209 {0, 1, 720}, 00210 {0, 1, 720} 00211 }; 00212 00213 /** 00214 * @brief LTDC PLL settings used for different HDMI resolution (720x480 and 720x576) 00215 */ 00216 HDMI_PLLConfigTypeDef HDMI_PLLConfig[4] = 00217 { 00218 /* N DIV Pclk IDF NDIV ODF LBClk TXEscapeCkdiv*/ 00219 {325, 6, 27083, DSI_PLL_IN_DIV5, 65, DSI_PLL_OUT_DIV1, 40625, 3}, 00220 {325, 6, 27083, DSI_PLL_IN_DIV5, 65, DSI_PLL_OUT_DIV1, 40625, 3} 00221 00222 }; 00223 #endif /* USE_LCD_HDMI */ 00224 /** 00225 * @brief Default Active LTDC Layer in which drawing is made is LTDC Layer Background 00226 */ 00227 static uint32_t ActiveLayer = LTDC_ACTIVE_LAYER_BACKGROUND; 00228 00229 /** 00230 * @brief Current Drawing Layer properties variable 00231 */ 00232 static LCD_DrawPropTypeDef DrawProp[LTDC_MAX_LAYER_NUMBER]; 00233 /** 00234 * @} 00235 */ 00236 00237 /** @defgroup STM32F769I_DISCOVERY_LCD_Private_FunctionPrototypes LCD Private FunctionPrototypes 00238 * @{ 00239 */ 00240 static void DrawChar(uint16_t Xpos, uint16_t Ypos, const uint8_t *c); 00241 static void FillTriangle(uint16_t x1, uint16_t x2, uint16_t x3, uint16_t y1, uint16_t y2, uint16_t y3); 00242 static void LL_FillBuffer(uint32_t LayerIndex, void *pDst, uint32_t xSize, uint32_t ySize, uint32_t OffLine, uint32_t ColorIndex); 00243 static void LL_ConvertLineToARGB8888(void * pSrc, void *pDst, uint32_t xSize, uint32_t ColorMode); 00244 static uint16_t LCD_IO_GetID(void); 00245 /** 00246 * @} 00247 */ 00248 00249 /** @defgroup STM32F769I_DISCOVERY_LCD_Exported_Functions LCD Exported Functions 00250 * @{ 00251 */ 00252 00253 /** 00254 * @brief Initializes the DSI LCD. 00255 * @retval LCD state 00256 */ 00257 uint8_t BSP_LCD_Init(void) 00258 { 00259 return (BSP_LCD_InitEx(LCD_ORIENTATION_LANDSCAPE)); 00260 } 00261 00262 /** 00263 * @brief Initializes the DSI LCD. 00264 * The ititialization is done as below: 00265 * - DSI PLL ititialization 00266 * - DSI ititialization 00267 * - LTDC ititialization 00268 * - OTM8009A LCD Display IC Driver ititialization 00269 * @param orientation: LCD orientation, can be LCD_ORIENTATION_PORTRAIT or LCD_ORIENTATION_LANDSCAPE 00270 * @retval LCD state 00271 */ 00272 uint8_t BSP_LCD_InitEx(LCD_OrientationTypeDef orientation) 00273 { 00274 DSI_PLLInitTypeDef dsiPllInit; 00275 static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; 00276 uint32_t LcdClock = 27429; /*!< LcdClk = 27429 kHz */ 00277 uint16_t read_id = 0; 00278 00279 uint32_t laneByteClk_kHz = 0; 00280 uint32_t VSA; /*!< Vertical start active time in units of lines */ 00281 uint32_t VBP; /*!< Vertical Back Porch time in units of lines */ 00282 uint32_t VFP; /*!< Vertical Front Porch time in units of lines */ 00283 uint32_t VACT; /*!< Vertical Active time in units of lines = imageSize Y in pixels to display */ 00284 uint32_t HSA; /*!< Horizontal start active time in units of lcdClk */ 00285 uint32_t HBP; /*!< Horizontal Back Porch time in units of lcdClk */ 00286 uint32_t HFP; /*!< Horizontal Front Porch time in units of lcdClk */ 00287 uint32_t HACT; /*!< Horizontal Active time in units of lcdClk = imageSize X in pixels to display */ 00288 00289 /* Toggle Hardware Reset of the DSI LCD using 00290 * its XRES signal (active low) */ 00291 BSP_LCD_Reset(); 00292 00293 /* Check the connected monitor */ 00294 read_id = LCD_IO_GetID(); 00295 00296 #if defined(USE_LCD_HDMI) 00297 if(read_id == ADV7533_ID) 00298 { 00299 return BSP_LCD_HDMIInitEx(HDMI_FORMAT_720_576); 00300 } 00301 else if(read_id != LCD_DSI_ID) 00302 { 00303 return LCD_ERROR; 00304 } 00305 #else 00306 if(read_id != LCD_DSI_ID) 00307 { 00308 return LCD_ERROR; 00309 } 00310 #endif /* USE_LCD_HDMI */ 00311 00312 /* Call first MSP Initialize only in case of first initialization 00313 * This will set IP blocks LTDC, DSI and DMA2D 00314 * - out of reset 00315 * - clocked 00316 * - NVIC IRQ related to IP blocks enabled 00317 */ 00318 BSP_LCD_MspInit(); 00319 00320 /*************************DSI Initialization***********************************/ 00321 00322 /* Base address of DSI Host/Wrapper registers to be set before calling De-Init */ 00323 hdsi_discovery.Instance = DSI; 00324 00325 HAL_DSI_DeInit(&(hdsi_discovery)); 00326 00327 dsiPllInit.PLLNDIV = 100; 00328 dsiPllInit.PLLIDF = DSI_PLL_IN_DIV5; 00329 dsiPllInit.PLLODF = DSI_PLL_OUT_DIV1; 00330 laneByteClk_kHz = 62500; /* 500 MHz / 8 = 62.5 MHz = 62500 kHz */ 00331 00332 /* Set number of Lanes */ 00333 hdsi_discovery.Init.NumberOfLanes = DSI_TWO_DATA_LANES; 00334 00335 /* TXEscapeCkdiv = f(LaneByteClk)/15.62 = 4 */ 00336 hdsi_discovery.Init.TXEscapeCkdiv = laneByteClk_kHz/15620; 00337 00338 HAL_DSI_Init(&(hdsi_discovery), &(dsiPllInit)); 00339 00340 /* Timing parameters for all Video modes 00341 * Set Timing parameters of LTDC depending on its chosen orientation 00342 */ 00343 if(orientation == LCD_ORIENTATION_PORTRAIT) 00344 { 00345 lcd_x_size = OTM8009A_480X800_WIDTH; /* 480 */ 00346 lcd_y_size = OTM8009A_480X800_HEIGHT; /* 800 */ 00347 } 00348 else 00349 { 00350 /* lcd_orientation == LCD_ORIENTATION_LANDSCAPE */ 00351 lcd_x_size = OTM8009A_800X480_WIDTH; /* 800 */ 00352 lcd_y_size = OTM8009A_800X480_HEIGHT; /* 480 */ 00353 } 00354 00355 HACT = lcd_x_size; 00356 VACT = lcd_y_size; 00357 00358 /* The following values are same for portrait and landscape orientations */ 00359 VSA = OTM8009A_480X800_VSYNC; /* 12 */ 00360 VBP = OTM8009A_480X800_VBP; /* 12 */ 00361 VFP = OTM8009A_480X800_VFP; /* 12 */ 00362 HSA = OTM8009A_480X800_HSYNC; /* 63 */ 00363 HBP = OTM8009A_480X800_HBP; /* 120 */ 00364 HFP = OTM8009A_480X800_HFP; /* 120 */ 00365 00366 hdsivideo_handle.VirtualChannelID = LCD_OTM8009A_ID; 00367 hdsivideo_handle.ColorCoding = LCD_DSI_PIXEL_DATA_FMT_RBG888; 00368 hdsivideo_handle.VSPolarity = DSI_VSYNC_ACTIVE_HIGH; 00369 hdsivideo_handle.HSPolarity = DSI_HSYNC_ACTIVE_HIGH; 00370 hdsivideo_handle.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH; 00371 hdsivideo_handle.Mode = DSI_VID_MODE_BURST; /* Mode Video burst ie : one LgP per line */ 00372 hdsivideo_handle.NullPacketSize = 0xFFF; 00373 hdsivideo_handle.NumberOfChunks = 0; 00374 hdsivideo_handle.PacketSize = HACT; /* Value depending on display orientation choice portrait/landscape */ 00375 hdsivideo_handle.HorizontalSyncActive = (HSA * laneByteClk_kHz)/LcdClock; 00376 hdsivideo_handle.HorizontalBackPorch = (HBP * laneByteClk_kHz)/LcdClock; 00377 hdsivideo_handle.HorizontalLine = ((HACT + HSA + HBP + HFP) * laneByteClk_kHz)/LcdClock; /* Value depending on display orientation choice portrait/landscape */ 00378 hdsivideo_handle.VerticalSyncActive = VSA; 00379 hdsivideo_handle.VerticalBackPorch = VBP; 00380 hdsivideo_handle.VerticalFrontPorch = VFP; 00381 hdsivideo_handle.VerticalActive = VACT; /* Value depending on display orientation choice portrait/landscape */ 00382 00383 /* Enable or disable sending LP command while streaming is active in video mode */ 00384 hdsivideo_handle.LPCommandEnable = DSI_LP_COMMAND_ENABLE; /* Enable sending commands in mode LP (Low Power) */ 00385 00386 /* Largest packet size possible to transmit in LP mode in VSA, VBP, VFP regions */ 00387 /* Only useful when sending LP packets is allowed while streaming is active in video mode */ 00388 hdsivideo_handle.LPLargestPacketSize = 16; 00389 00390 /* Largest packet size possible to transmit in LP mode in HFP region during VACT period */ 00391 /* Only useful when sending LP packets is allowed while streaming is active in video mode */ 00392 hdsivideo_handle.LPVACTLargestPacketSize = 0; 00393 00394 /* Specify for each region of the video frame, if the transmission of command in LP mode is allowed in this region */ 00395 /* while streaming is active in video mode */ 00396 hdsivideo_handle.LPHorizontalFrontPorchEnable = DSI_LP_HFP_ENABLE; /* Allow sending LP commands during HFP period */ 00397 hdsivideo_handle.LPHorizontalBackPorchEnable = DSI_LP_HBP_ENABLE; /* Allow sending LP commands during HBP period */ 00398 hdsivideo_handle.LPVerticalActiveEnable = DSI_LP_VACT_ENABLE; /* Allow sending LP commands during VACT period */ 00399 hdsivideo_handle.LPVerticalFrontPorchEnable = DSI_LP_VFP_ENABLE; /* Allow sending LP commands during VFP period */ 00400 hdsivideo_handle.LPVerticalBackPorchEnable = DSI_LP_VBP_ENABLE; /* Allow sending LP commands during VBP period */ 00401 hdsivideo_handle.LPVerticalSyncActiveEnable = DSI_LP_VSYNC_ENABLE; /* Allow sending LP commands during VSync = VSA period */ 00402 00403 /* Configure DSI Video mode timings with settings set above */ 00404 HAL_DSI_ConfigVideoMode(&(hdsi_discovery), &(hdsivideo_handle)); 00405 00406 /*************************End DSI Initialization*******************************/ 00407 00408 00409 /************************LTDC Initialization***********************************/ 00410 00411 /* Timing Configuration */ 00412 hltdc_discovery.Init.HorizontalSync = (HSA - 1); 00413 hltdc_discovery.Init.AccumulatedHBP = (HSA + HBP - 1); 00414 hltdc_discovery.Init.AccumulatedActiveW = (lcd_x_size + HSA + HBP - 1); 00415 hltdc_discovery.Init.TotalWidth = (lcd_x_size + HSA + HBP + HFP - 1); 00416 00417 /* Initialize the LCD pixel width and pixel height */ 00418 hltdc_discovery.LayerCfg->ImageWidth = lcd_x_size; 00419 hltdc_discovery.LayerCfg->ImageHeight = lcd_y_size; 00420 00421 /** LCD clock configuration 00422 * Note: The following values should not be changed as the PLLSAI is also used 00423 * to clock the USB FS 00424 * PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz 00425 * PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 384 Mhz 00426 * PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 384 MHz / 7 = 54.85 MHz 00427 * LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_2 = 54.85 MHz / 2 = 27.429 MHz 00428 */ 00429 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC; 00430 PeriphClkInitStruct.PLLSAI.PLLSAIN = 384; 00431 PeriphClkInitStruct.PLLSAI.PLLSAIR = 7; 00432 PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2; 00433 HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); 00434 00435 /* Background value */ 00436 hltdc_discovery.Init.Backcolor.Blue = 0; 00437 hltdc_discovery.Init.Backcolor.Green = 0; 00438 hltdc_discovery.Init.Backcolor.Red = 0; 00439 hltdc_discovery.Init.PCPolarity = LTDC_PCPOLARITY_IPC; 00440 hltdc_discovery.Instance = LTDC; 00441 00442 /* Get LTDC Configuration from DSI Configuration */ 00443 HAL_LTDC_StructInitFromVideoConfig(&(hltdc_discovery), &(hdsivideo_handle)); 00444 00445 /* Initialize the LTDC */ 00446 HAL_LTDC_Init(&hltdc_discovery); 00447 00448 /* Enable the DSI host and wrapper after the LTDC initialization 00449 To avoid any synchronization issue, the DSI shall be started after enabling the LTDC */ 00450 HAL_DSI_Start(&hdsi_discovery); 00451 00452 #if !defined(DATA_IN_ExtSDRAM) 00453 /* Initialize the SDRAM */ 00454 BSP_SDRAM_Init(); 00455 #endif /* DATA_IN_ExtSDRAM */ 00456 00457 /* Initialize the font */ 00458 BSP_LCD_SetFont(&LCD_DEFAULT_FONT); 00459 00460 /************************End LTDC Initialization*******************************/ 00461 00462 00463 /***********************OTM8009A Initialization********************************/ 00464 00465 /* Initialize the OTM8009A LCD Display IC Driver (KoD LCD IC Driver) 00466 * depending on configuration set in 'hdsivideo_handle'. 00467 */ 00468 OTM8009A_Init(OTM8009A_FORMAT_RGB888, orientation); 00469 00470 /***********************End OTM8009A Initialization****************************/ 00471 00472 return LCD_OK; 00473 } 00474 00475 #if defined(USE_LCD_HDMI) 00476 /** 00477 * @brief Initializes the DSI for HDMI monitor. 00478 * The ititialization is done as below: 00479 * - DSI PLL ititialization 00480 * - DSI ititialization 00481 * - LTDC ititialization 00482 * - DSI-HDMI ADV7533 adapter device ititialization 00483 * @param format : HDMI format could be HDMI_FORMAT_720_480 or HDMI_FORMAT_720_576 00484 * @retval LCD state 00485 */ 00486 uint8_t BSP_LCD_HDMIInitEx(uint8_t format) 00487 { 00488 /************************ADV7533 Initialization********************************/ 00489 00490 /* Initialize the ADV7533 HDMI Bridge 00491 * depending on configuration set in 'hdsivideo_handle'. 00492 */ 00493 adv7533ConfigTypeDef adv7533_config; 00494 00495 adv7533_config.DSI_LANES = 2; 00496 adv7533_config.HACT = HDMI_Format[format].HACT; 00497 adv7533_config.HSYNC = HDMI_Format[format].HSYNC; 00498 adv7533_config.HBP = HDMI_Format[format].HBP; 00499 adv7533_config.HFP = HDMI_Format[format].HFP; 00500 adv7533_config.VACT = HDMI_Format[format].VACT; 00501 adv7533_config.VSYNC = HDMI_Format[format].VSYNC; 00502 adv7533_config.VBP = HDMI_Format[format].VBP; 00503 adv7533_config.VFP = HDMI_Format[format].VFP; 00504 00505 ADV7533_Init(); 00506 ADV7533_Configure(&adv7533_config); 00507 ADV7533_PowerOn(); 00508 00509 /************************ Update hdmi_x_size and hdmi_y_size *****************/ 00510 lcd_x_size = HDMI_Format[format].HACT; 00511 lcd_y_size = HDMI_Format[format].VACT; 00512 00513 /***********************End ADV7533 Initialization****************************/ 00514 DSI_PLLInitTypeDef dsiPllInit; 00515 DSI_PHY_TimerTypeDef dsiPhyInit; 00516 static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; 00517 00518 /* Call first MSP Initialize only in case of first initialization 00519 * This will set IP blocks LTDC and DSI 00520 * - out of reset 00521 * - clocked 00522 * - NVIC IRQ related to IP blocks enabled 00523 */ 00524 BSP_LCD_MspInit(); 00525 00526 /*************************DSI Initialization***********************************/ 00527 00528 /* Base address of DSI Host/Wrapper registers to be set before calling De-Init */ 00529 hdsi_discovery.Instance = DSI; 00530 00531 HAL_DSI_DeInit(&(hdsi_discovery)); 00532 00533 /* Configure the DSI PLL */ 00534 dsiPllInit.PLLNDIV = HDMI_PLLConfig[format].NDIV; 00535 dsiPllInit.PLLIDF = HDMI_PLLConfig[format].IDF; 00536 dsiPllInit.PLLODF = HDMI_PLLConfig[format].ODF; 00537 00538 /* Set number of Lanes */ 00539 hdsi_discovery.Init.NumberOfLanes = DSI_TWO_DATA_LANES; 00540 /* Set the TX escape clock division ratio */ 00541 hdsi_discovery.Init.TXEscapeCkdiv = HDMI_PLLConfig[format].TXEscapeCkdiv; 00542 /* Disable the automatic clock lane control (the ADV7533 must be clocked) */ 00543 hdsi_discovery.Init.AutomaticClockLaneControl = DSI_AUTO_CLK_LANE_CTRL_DISABLE; 00544 00545 /* Init the DSI */ 00546 HAL_DSI_Init(&hdsi_discovery, &dsiPllInit); 00547 00548 /* Configure the D-PHY Timings */ 00549 dsiPhyInit.ClockLaneHS2LPTime = 0x14; 00550 dsiPhyInit.ClockLaneLP2HSTime = 0x14; 00551 dsiPhyInit.DataLaneHS2LPTime = 0x0A; 00552 dsiPhyInit.DataLaneLP2HSTime = 0x0A; 00553 dsiPhyInit.DataLaneMaxReadTime = 0x00; 00554 dsiPhyInit.StopWaitTime = 0x0; 00555 HAL_DSI_ConfigPhyTimer(&hdsi_discovery, &dsiPhyInit); 00556 00557 /* Virutal channel used by the ADV7533 */ 00558 hdsivideo_handle.VirtualChannelID = HDMI_ADV7533_ID; 00559 00560 /* Timing parameters for Video modes 00561 Set Timing parameters of DSI depending on its chosen format */ 00562 hdsivideo_handle.ColorCoding = HDMI_Format[format].RGB_CODING; 00563 hdsivideo_handle.LooselyPacked = DSI_LOOSELY_PACKED_DISABLE; 00564 hdsivideo_handle.VSPolarity = DSI_VSYNC_ACTIVE_LOW; 00565 hdsivideo_handle.HSPolarity = DSI_HSYNC_ACTIVE_LOW; 00566 hdsivideo_handle.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH; 00567 hdsivideo_handle.Mode = DSI_VID_MODE_NB_PULSES; 00568 hdsivideo_handle.NullPacketSize = HDMI_DSIPacket[format].NullPacketSize; 00569 hdsivideo_handle.NumberOfChunks = HDMI_DSIPacket[format].NumberOfChunks; 00570 hdsivideo_handle.PacketSize = HDMI_DSIPacket[format].PacketSize; 00571 hdsivideo_handle.HorizontalSyncActive = HDMI_Format[format].HSYNC*HDMI_PLLConfig[format].LaneByteClock/HDMI_PLLConfig[format].PCLK; 00572 hdsivideo_handle.HorizontalBackPorch = HDMI_Format[format].HBP*HDMI_PLLConfig[format].LaneByteClock/HDMI_PLLConfig[format].PCLK; 00573 hdsivideo_handle.HorizontalLine = (HDMI_Format[format].HACT + HDMI_Format[format].HSYNC + HDMI_Format[format].HBP + HDMI_Format[format].HFP)*HDMI_PLLConfig[format].LaneByteClock/HDMI_PLLConfig[format].PCLK; 00574 hdsivideo_handle.VerticalSyncActive = HDMI_Format[format].VSYNC; 00575 hdsivideo_handle.VerticalBackPorch = HDMI_Format[format].VBP; 00576 hdsivideo_handle.VerticalFrontPorch = HDMI_Format[format].VFP; 00577 hdsivideo_handle.VerticalActive = HDMI_Format[format].VACT; 00578 00579 /* Enable or disable sending LP command while streaming is active in video mode */ 00580 hdsivideo_handle.LPCommandEnable = DSI_LP_COMMAND_DISABLE; /* Enable sending commands in mode LP (Low Power) */ 00581 00582 /* Largest packet size possible to transmit in LP mode in VSA, VBP, VFP regions */ 00583 /* Only useful when sending LP packets is allowed while streaming is active in video mode */ 00584 hdsivideo_handle.LPLargestPacketSize = 4; 00585 00586 /* Largest packet size possible to transmit in LP mode in HFP region during VACT period */ 00587 /* Only useful when sending LP packets is allowed while streaming is active in video mode */ 00588 hdsivideo_handle.LPVACTLargestPacketSize = 4; 00589 00590 /* Specify for each region, if the going in LP mode is allowed */ 00591 /* while streaming is active in video mode */ 00592 hdsivideo_handle.LPHorizontalFrontPorchEnable = DSI_LP_HFP_DISABLE; 00593 hdsivideo_handle.LPHorizontalBackPorchEnable = DSI_LP_HBP_DISABLE; 00594 hdsivideo_handle.LPVerticalActiveEnable = DSI_LP_VACT_DISABLE; 00595 hdsivideo_handle.LPVerticalFrontPorchEnable = DSI_LP_VFP_DISABLE; 00596 hdsivideo_handle.LPVerticalBackPorchEnable = DSI_LP_VBP_DISABLE; 00597 hdsivideo_handle.LPVerticalSyncActiveEnable = DSI_LP_VSYNC_DISABLE; 00598 00599 /* No acknoledge at the end of a frame */ 00600 hdsivideo_handle.FrameBTAAcknowledgeEnable = DSI_FBTAA_DISABLE; 00601 00602 /* Configure DSI Video mode timings with settings set above */ 00603 HAL_DSI_ConfigVideoMode(&hdsi_discovery, &hdsivideo_handle); 00604 00605 /* Enable the DSI host and wrapper : but LTDC is not started yet at this stage */ 00606 HAL_DSI_Start(&hdsi_discovery); 00607 00608 /*************************End DSI Initialization*******************************/ 00609 00610 00611 /************************LTDC Initialization***********************************/ 00612 00613 /* LTDC clock configuration */ 00614 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC; 00615 PeriphClkInitStruct.PLLSAI.PLLSAIN = HDMI_PLLConfig[format].PLLSAIN; 00616 PeriphClkInitStruct.PLLSAI.PLLSAIR = HDMI_PLLConfig[format].PLLSAIR; 00617 PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2; 00618 HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); 00619 00620 /* Base address of LTDC registers to be set before calling De-Init */ 00621 hltdc_discovery.Instance = LTDC; 00622 00623 HAL_LTDC_DeInit(&(hltdc_discovery)); 00624 00625 /* Timing Configuration */ 00626 hltdc_discovery.Init.HorizontalSync = (HDMI_Format[format].HSYNC - 1); 00627 hltdc_discovery.Init.AccumulatedHBP = (HDMI_Format[format].HSYNC + HDMI_Format[format].HBP - 1); 00628 hltdc_discovery.Init.AccumulatedActiveW = (HDMI_Format[format].HACT + HDMI_Format[format].HSYNC + HDMI_Format[format].HBP - 1); 00629 hltdc_discovery.Init.TotalWidth = (HDMI_Format[format].HACT + HDMI_Format[format].HSYNC + HDMI_Format[format].HBP + HDMI_Format[format].HFP - 1); 00630 hltdc_discovery.Init.VerticalSync = (HDMI_Format[format].VSYNC - 1); 00631 hltdc_discovery.Init.AccumulatedVBP = (HDMI_Format[format].VSYNC + HDMI_Format[format].VBP - 1); 00632 hltdc_discovery.Init.AccumulatedActiveH = (HDMI_Format[format].VACT + HDMI_Format[format].VSYNC + HDMI_Format[format].VBP - 1); 00633 hltdc_discovery.Init.TotalHeigh = (HDMI_Format[format].VACT + HDMI_Format[format].VSYNC + HDMI_Format[format].VBP + HDMI_Format[format].VFP - 1); 00634 00635 /* background value */ 00636 hltdc_discovery.Init.Backcolor.Blue = 0x00; 00637 hltdc_discovery.Init.Backcolor.Green = 0xFF; 00638 hltdc_discovery.Init.Backcolor.Red = 0xFF; 00639 00640 /* Polarity */ 00641 hltdc_discovery.Init.HSPolarity = LTDC_HSPOLARITY_AL; 00642 hltdc_discovery.Init.VSPolarity = LTDC_VSPOLARITY_AL; 00643 hltdc_discovery.Init.DEPolarity = LTDC_DEPOLARITY_AL; 00644 hltdc_discovery.Init.PCPolarity = LTDC_PCPOLARITY_IPC; 00645 00646 /* Initialize & Start the LTDC */ 00647 HAL_LTDC_Init(&hltdc_discovery); 00648 00649 #if !defined(DATA_IN_ExtSDRAM) 00650 /* Initialize the SDRAM */ 00651 BSP_SDRAM_Init(); 00652 #endif /* DATA_IN_ExtSDRAM */ 00653 00654 /* Initialize the font */ 00655 BSP_LCD_SetFont(&LCD_DEFAULT_FONT); 00656 /************************End LTDC Initialization*******************************/ 00657 00658 return LCD_OK; 00659 } 00660 #endif /* USE_LCD_HDMI */ 00661 00662 /** 00663 * @brief BSP LCD Reset 00664 * Hw reset the LCD DSI activating its XRES signal (active low for some time) 00665 * and desactivating it later. 00666 */ 00667 void BSP_LCD_Reset(void) 00668 { 00669 GPIO_InitTypeDef gpio_init_structure; 00670 00671 __HAL_RCC_GPIOJ_CLK_ENABLE(); 00672 00673 /* Configure the GPIO on PJ15 */ 00674 gpio_init_structure.Pin = GPIO_PIN_15; 00675 gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP; 00676 gpio_init_structure.Pull = GPIO_PULLUP; 00677 gpio_init_structure.Speed = GPIO_SPEED_HIGH; 00678 00679 HAL_GPIO_Init(GPIOJ, &gpio_init_structure); 00680 00681 /* Activate XRES active low */ 00682 HAL_GPIO_WritePin(GPIOJ, GPIO_PIN_15, GPIO_PIN_RESET); 00683 00684 HAL_Delay(20); /* wait 20 ms */ 00685 00686 /* Desactivate XRES */ 00687 HAL_GPIO_WritePin(GPIOJ, GPIO_PIN_15, GPIO_PIN_SET); 00688 00689 /* Wait for 10ms after releasing XRES before sending commands */ 00690 HAL_Delay(10); 00691 } 00692 00693 /** 00694 * @brief Gets the LCD X size. 00695 * @retval Used LCD X size 00696 */ 00697 uint32_t BSP_LCD_GetXSize(void) 00698 { 00699 return (lcd_x_size); 00700 } 00701 00702 /** 00703 * @brief Gets the LCD Y size. 00704 * @retval Used LCD Y size 00705 */ 00706 uint32_t BSP_LCD_GetYSize(void) 00707 { 00708 return (lcd_y_size); 00709 } 00710 00711 /** 00712 * @brief Set the LCD X size. 00713 * @param imageWidthPixels : uint32_t image width in pixels unit 00714 * @retval None 00715 */ 00716 void BSP_LCD_SetXSize(uint32_t imageWidthPixels) 00717 { 00718 hltdc_discovery.LayerCfg[ActiveLayer].ImageWidth = imageWidthPixels; 00719 } 00720 00721 /** 00722 * @brief Set the LCD Y size. 00723 * @param imageHeightPixels : uint32_t image height in lines unit 00724 */ 00725 void BSP_LCD_SetYSize(uint32_t imageHeightPixels) 00726 { 00727 hltdc_discovery.LayerCfg[ActiveLayer].ImageHeight = imageHeightPixels; 00728 } 00729 00730 00731 /** 00732 * @brief Initializes the LCD layers. 00733 * @param LayerIndex: Layer foreground or background 00734 * @param FB_Address: Layer frame buffer 00735 * @retval None 00736 */ 00737 void BSP_LCD_LayerDefaultInit(uint16_t LayerIndex, uint32_t FB_Address) 00738 { 00739 LCD_LayerCfgTypeDef Layercfg; 00740 00741 /* Layer Init */ 00742 Layercfg.WindowX0 = 0; 00743 Layercfg.WindowX1 = BSP_LCD_GetXSize(); 00744 Layercfg.WindowY0 = 0; 00745 Layercfg.WindowY1 = BSP_LCD_GetYSize(); 00746 Layercfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888; 00747 Layercfg.FBStartAdress = FB_Address; 00748 Layercfg.Alpha = 255; 00749 Layercfg.Alpha0 = 0; 00750 Layercfg.Backcolor.Blue = 0; 00751 Layercfg.Backcolor.Green = 0; 00752 Layercfg.Backcolor.Red = 0; 00753 Layercfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA; 00754 Layercfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA; 00755 Layercfg.ImageWidth = BSP_LCD_GetXSize(); 00756 Layercfg.ImageHeight = BSP_LCD_GetYSize(); 00757 00758 HAL_LTDC_ConfigLayer(&hltdc_discovery, &Layercfg, LayerIndex); 00759 00760 DrawProp[LayerIndex].BackColor = LCD_COLOR_WHITE; 00761 DrawProp[LayerIndex].pFont = &Font24; 00762 DrawProp[LayerIndex].TextColor = LCD_COLOR_BLACK; 00763 } 00764 00765 00766 /** 00767 * @brief Selects the LCD Layer. 00768 * @param LayerIndex: Layer foreground or background 00769 */ 00770 void BSP_LCD_SelectLayer(uint32_t LayerIndex) 00771 { 00772 ActiveLayer = LayerIndex; 00773 } 00774 00775 /** 00776 * @brief Sets an LCD Layer visible 00777 * @param LayerIndex: Visible Layer 00778 * @param State: New state of the specified layer 00779 * This parameter can be one of the following values: 00780 * @arg ENABLE 00781 * @arg DISABLE 00782 */ 00783 void BSP_LCD_SetLayerVisible(uint32_t LayerIndex, FunctionalState State) 00784 { 00785 if(State == ENABLE) 00786 { 00787 __HAL_LTDC_LAYER_ENABLE(&(hltdc_discovery), LayerIndex); 00788 } 00789 else 00790 { 00791 __HAL_LTDC_LAYER_DISABLE(&(hltdc_discovery), LayerIndex); 00792 } 00793 __HAL_LTDC_RELOAD_CONFIG(&(hltdc_discovery)); 00794 00795 } 00796 00797 /** 00798 * @brief Configures the transparency. 00799 * @param LayerIndex: Layer foreground or background. 00800 * @param Transparency: Transparency 00801 * This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF 00802 */ 00803 void BSP_LCD_SetTransparency(uint32_t LayerIndex, uint8_t Transparency) 00804 { 00805 00806 HAL_LTDC_SetAlpha(&(hltdc_discovery), Transparency, LayerIndex); 00807 00808 } 00809 00810 /** 00811 * @brief Sets an LCD layer frame buffer address. 00812 * @param LayerIndex: Layer foreground or background 00813 * @param Address: New LCD frame buffer value 00814 */ 00815 void BSP_LCD_SetLayerAddress(uint32_t LayerIndex, uint32_t Address) 00816 { 00817 00818 HAL_LTDC_SetAddress(&(hltdc_discovery), Address, LayerIndex); 00819 00820 } 00821 00822 /** 00823 * @brief Sets display window. 00824 * @param LayerIndex: Layer index 00825 * @param Xpos: LCD X position 00826 * @param Ypos: LCD Y position 00827 * @param Width: LCD window width 00828 * @param Height: LCD window height 00829 */ 00830 void BSP_LCD_SetLayerWindow(uint16_t LayerIndex, uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) 00831 { 00832 /* Reconfigure the layer size */ 00833 HAL_LTDC_SetWindowSize(&(hltdc_discovery), Width, Height, LayerIndex); 00834 00835 /* Reconfigure the layer position */ 00836 HAL_LTDC_SetWindowPosition(&(hltdc_discovery), Xpos, Ypos, LayerIndex); 00837 00838 } 00839 00840 /** 00841 * @brief Configures and sets the color keying. 00842 * @param LayerIndex: Layer foreground or background 00843 * @param RGBValue: Color reference 00844 */ 00845 void BSP_LCD_SetColorKeying(uint32_t LayerIndex, uint32_t RGBValue) 00846 { 00847 /* Configure and Enable the color Keying for LCD Layer */ 00848 HAL_LTDC_ConfigColorKeying(&(hltdc_discovery), RGBValue, LayerIndex); 00849 HAL_LTDC_EnableColorKeying(&(hltdc_discovery), LayerIndex); 00850 } 00851 00852 /** 00853 * @brief Disables the color keying. 00854 * @param LayerIndex: Layer foreground or background 00855 */ 00856 void BSP_LCD_ResetColorKeying(uint32_t LayerIndex) 00857 { 00858 /* Disable the color Keying for LCD Layer */ 00859 HAL_LTDC_DisableColorKeying(&(hltdc_discovery), LayerIndex); 00860 } 00861 00862 /** 00863 * @brief Sets the LCD text color. 00864 * @param Color: Text color code ARGB(8-8-8-8) 00865 */ 00866 void BSP_LCD_SetTextColor(uint32_t Color) 00867 { 00868 DrawProp[ActiveLayer].TextColor = Color; 00869 } 00870 00871 /** 00872 * @brief Gets the LCD text color. 00873 * @retval Used text color. 00874 */ 00875 uint32_t BSP_LCD_GetTextColor(void) 00876 { 00877 return DrawProp[ActiveLayer].TextColor; 00878 } 00879 00880 /** 00881 * @brief Sets the LCD background color. 00882 * @param Color: Layer background color code ARGB(8-8-8-8) 00883 */ 00884 void BSP_LCD_SetBackColor(uint32_t Color) 00885 { 00886 DrawProp[ActiveLayer].BackColor = Color; 00887 } 00888 00889 /** 00890 * @brief Gets the LCD background color. 00891 * @retval Used background color 00892 */ 00893 uint32_t BSP_LCD_GetBackColor(void) 00894 { 00895 return DrawProp[ActiveLayer].BackColor; 00896 } 00897 00898 /** 00899 * @brief Sets the LCD text font. 00900 * @param fonts: Layer font to be used 00901 */ 00902 void BSP_LCD_SetFont(sFONT *fonts) 00903 { 00904 DrawProp[ActiveLayer].pFont = fonts; 00905 } 00906 00907 /** 00908 * @brief Gets the LCD text font. 00909 * @retval Used layer font 00910 */ 00911 sFONT *BSP_LCD_GetFont(void) 00912 { 00913 return DrawProp[ActiveLayer].pFont; 00914 } 00915 00916 /** 00917 * @brief Reads an LCD pixel. 00918 * @param Xpos: X position 00919 * @param Ypos: Y position 00920 * @retval RGB pixel color 00921 */ 00922 uint32_t BSP_LCD_ReadPixel(uint16_t Xpos, uint16_t Ypos) 00923 { 00924 uint32_t ret = 0; 00925 00926 if(hltdc_discovery.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_ARGB8888) 00927 { 00928 /* Read data value from SDRAM memory */ 00929 ret = *(__IO uint32_t*) (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*BSP_LCD_GetXSize() + Xpos))); 00930 } 00931 else if(hltdc_discovery.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_RGB888) 00932 { 00933 /* Read data value from SDRAM memory */ 00934 ret = (*(__IO uint32_t*) (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*BSP_LCD_GetXSize() + Xpos))) & 0x00FFFFFF); 00935 } 00936 else if((hltdc_discovery.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_RGB565) || \ 00937 (hltdc_discovery.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_ARGB4444) || \ 00938 (hltdc_discovery.LayerCfg[ActiveLayer].PixelFormat == LTDC_PIXEL_FORMAT_AL88)) 00939 { 00940 /* Read data value from SDRAM memory */ 00941 ret = *(__IO uint16_t*) (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress + (2*(Ypos*BSP_LCD_GetXSize() + Xpos))); 00942 } 00943 else 00944 { 00945 /* Read data value from SDRAM memory */ 00946 ret = *(__IO uint8_t*) (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress + (2*(Ypos*BSP_LCD_GetXSize() + Xpos))); 00947 } 00948 00949 return ret; 00950 } 00951 00952 /** 00953 * @brief Clears the whole currently active layer of LTDC. 00954 * @param Color: Color of the background 00955 */ 00956 void BSP_LCD_Clear(uint32_t Color) 00957 { 00958 /* Clear the LCD */ 00959 LL_FillBuffer(ActiveLayer, (uint32_t *)(hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress), BSP_LCD_GetXSize(), BSP_LCD_GetYSize(), 0, Color); 00960 } 00961 00962 /** 00963 * @brief Clears the selected line in currently active layer. 00964 * @param Line: Line to be cleared 00965 */ 00966 void BSP_LCD_ClearStringLine(uint32_t Line) 00967 { 00968 uint32_t color_backup = DrawProp[ActiveLayer].TextColor; 00969 DrawProp[ActiveLayer].TextColor = DrawProp[ActiveLayer].BackColor; 00970 00971 /* Draw rectangle with background color */ 00972 BSP_LCD_FillRect(0, (Line * DrawProp[ActiveLayer].pFont->Height), BSP_LCD_GetXSize(), DrawProp[ActiveLayer].pFont->Height); 00973 00974 DrawProp[ActiveLayer].TextColor = color_backup; 00975 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 00976 } 00977 00978 /** 00979 * @brief Displays one character in currently active layer. 00980 * @param Xpos: Start column address 00981 * @param Ypos: Line where to display the character shape. 00982 * @param Ascii: Character ascii code 00983 * This parameter must be a number between Min_Data = 0x20 and Max_Data = 0x7E 00984 */ 00985 void BSP_LCD_DisplayChar(uint16_t Xpos, uint16_t Ypos, uint8_t Ascii) 00986 { 00987 DrawChar(Xpos, Ypos, &DrawProp[ActiveLayer].pFont->table[(Ascii-' ') *\ 00988 DrawProp[ActiveLayer].pFont->Height * ((DrawProp[ActiveLayer].pFont->Width + 7) / 8)]); 00989 } 00990 00991 /** 00992 * @brief Displays characters in currently active layer. 00993 * @param Xpos: X position (in pixel) 00994 * @param Ypos: Y position (in pixel) 00995 * @param Text: Pointer to string to display on LCD 00996 * @param Mode: Display mode 00997 * This parameter can be one of the following values: 00998 * @arg CENTER_MODE 00999 * @arg RIGHT_MODE 01000 * @arg LEFT_MODE 01001 */ 01002 void BSP_LCD_DisplayStringAt(uint16_t Xpos, uint16_t Ypos, uint8_t *Text, Text_AlignModeTypdef Mode) 01003 { 01004 uint16_t refcolumn = 1, i = 0; 01005 uint32_t size = 0, xsize = 0; 01006 uint8_t *ptr = Text; 01007 01008 /* Get the text size */ 01009 while (*ptr++) size ++ ; 01010 01011 /* Characters number per line */ 01012 xsize = (BSP_LCD_GetXSize()/DrawProp[ActiveLayer].pFont->Width); 01013 01014 switch (Mode) 01015 { 01016 case CENTER_MODE: 01017 { 01018 refcolumn = Xpos + ((xsize - size)* DrawProp[ActiveLayer].pFont->Width) / 2; 01019 break; 01020 } 01021 case LEFT_MODE: 01022 { 01023 refcolumn = Xpos; 01024 break; 01025 } 01026 case RIGHT_MODE: 01027 { 01028 refcolumn = - Xpos + ((xsize - size)*DrawProp[ActiveLayer].pFont->Width); 01029 break; 01030 } 01031 default: 01032 { 01033 refcolumn = Xpos; 01034 break; 01035 } 01036 } 01037 01038 /* Check that the Start column is located in the screen */ 01039 if ((refcolumn < 1) || (refcolumn >= 0x8000)) 01040 { 01041 refcolumn = 1; 01042 } 01043 01044 /* Send the string character by character on LCD */ 01045 while ((*Text != 0) & (((BSP_LCD_GetXSize() - (i*DrawProp[ActiveLayer].pFont->Width)) & 0xFFFF) >= DrawProp[ActiveLayer].pFont->Width)) 01046 { 01047 /* Display one character on LCD */ 01048 BSP_LCD_DisplayChar(refcolumn, Ypos, *Text); 01049 /* Decrement the column position by 16 */ 01050 refcolumn += DrawProp[ActiveLayer].pFont->Width; 01051 01052 /* Point on the next character */ 01053 Text++; 01054 i++; 01055 } 01056 01057 } 01058 01059 /** 01060 * @brief Displays a maximum of 60 characters on the LCD. 01061 * @param Line: Line where to display the character shape 01062 * @param ptr: Pointer to string to display on LCD 01063 */ 01064 void BSP_LCD_DisplayStringAtLine(uint16_t Line, uint8_t *ptr) 01065 { 01066 BSP_LCD_DisplayStringAt(0, LINE(Line), ptr, LEFT_MODE); 01067 } 01068 01069 /** 01070 * @brief Draws an horizontal line in currently active layer. 01071 * @param Xpos: X position 01072 * @param Ypos: Y position 01073 * @param Length: Line length 01074 */ 01075 void BSP_LCD_DrawHLine(uint16_t Xpos, uint16_t Ypos, uint16_t Length) 01076 { 01077 uint32_t Xaddress = 0; 01078 01079 /* Get the line address */ 01080 Xaddress = (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress) + 4*(BSP_LCD_GetXSize()*Ypos + Xpos); 01081 01082 /* Write line */ 01083 LL_FillBuffer(ActiveLayer, (uint32_t *)Xaddress, Length, 1, 0, DrawProp[ActiveLayer].TextColor); 01084 } 01085 01086 /** 01087 * @brief Draws a vertical line in currently active layer. 01088 * @param Xpos: X position 01089 * @param Ypos: Y position 01090 * @param Length: Line length 01091 */ 01092 void BSP_LCD_DrawVLine(uint16_t Xpos, uint16_t Ypos, uint16_t Length) 01093 { 01094 uint32_t Xaddress = 0; 01095 01096 /* Get the line address */ 01097 Xaddress = (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress) + 4*(BSP_LCD_GetXSize()*Ypos + Xpos); 01098 01099 /* Write line */ 01100 LL_FillBuffer(ActiveLayer, (uint32_t *)Xaddress, 1, Length, (BSP_LCD_GetXSize() - 1), DrawProp[ActiveLayer].TextColor); 01101 } 01102 01103 /** 01104 * @brief Draws an uni-line (between two points) in currently active layer. 01105 * @param x1: Point 1 X position 01106 * @param y1: Point 1 Y position 01107 * @param x2: Point 2 X position 01108 * @param y2: Point 2 Y position 01109 */ 01110 void BSP_LCD_DrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) 01111 { 01112 int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, 01113 yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, 01114 curpixel = 0; 01115 01116 deltax = ABS(x2 - x1); /* The difference between the x's */ 01117 deltay = ABS(y2 - y1); /* The difference between the y's */ 01118 x = x1; /* Start x off at the first pixel */ 01119 y = y1; /* Start y off at the first pixel */ 01120 01121 if (x2 >= x1) /* The x-values are increasing */ 01122 { 01123 xinc1 = 1; 01124 xinc2 = 1; 01125 } 01126 else /* The x-values are decreasing */ 01127 { 01128 xinc1 = -1; 01129 xinc2 = -1; 01130 } 01131 01132 if (y2 >= y1) /* The y-values are increasing */ 01133 { 01134 yinc1 = 1; 01135 yinc2 = 1; 01136 } 01137 else /* The y-values are decreasing */ 01138 { 01139 yinc1 = -1; 01140 yinc2 = -1; 01141 } 01142 01143 if (deltax >= deltay) /* There is at least one x-value for every y-value */ 01144 { 01145 xinc1 = 0; /* Don't change the x when numerator >= denominator */ 01146 yinc2 = 0; /* Don't change the y for every iteration */ 01147 den = deltax; 01148 num = deltax / 2; 01149 numadd = deltay; 01150 numpixels = deltax; /* There are more x-values than y-values */ 01151 } 01152 else /* There is at least one y-value for every x-value */ 01153 { 01154 xinc2 = 0; /* Don't change the x for every iteration */ 01155 yinc1 = 0; /* Don't change the y when numerator >= denominator */ 01156 den = deltay; 01157 num = deltay / 2; 01158 numadd = deltax; 01159 numpixels = deltay; /* There are more y-values than x-values */ 01160 } 01161 01162 for (curpixel = 0; curpixel <= numpixels; curpixel++) 01163 { 01164 BSP_LCD_DrawPixel(x, y, DrawProp[ActiveLayer].TextColor); /* Draw the current pixel */ 01165 num += numadd; /* Increase the numerator by the top of the fraction */ 01166 if (num >= den) /* Check if numerator >= denominator */ 01167 { 01168 num -= den; /* Calculate the new numerator value */ 01169 x += xinc1; /* Change the x as appropriate */ 01170 y += yinc1; /* Change the y as appropriate */ 01171 } 01172 x += xinc2; /* Change the x as appropriate */ 01173 y += yinc2; /* Change the y as appropriate */ 01174 } 01175 } 01176 01177 /** 01178 * @brief Draws a rectangle in currently active layer. 01179 * @param Xpos: X position 01180 * @param Ypos: Y position 01181 * @param Width: Rectangle width 01182 * @param Height: Rectangle height 01183 */ 01184 void BSP_LCD_DrawRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) 01185 { 01186 /* Draw horizontal lines */ 01187 BSP_LCD_DrawHLine(Xpos, Ypos, Width); 01188 BSP_LCD_DrawHLine(Xpos, (Ypos+ Height), Width); 01189 01190 /* Draw vertical lines */ 01191 BSP_LCD_DrawVLine(Xpos, Ypos, Height); 01192 BSP_LCD_DrawVLine((Xpos + Width), Ypos, Height); 01193 } 01194 01195 /** 01196 * @brief Draws a circle in currently active layer. 01197 * @param Xpos: X position 01198 * @param Ypos: Y position 01199 * @param Radius: Circle radius 01200 */ 01201 void BSP_LCD_DrawCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius) 01202 { 01203 int32_t D; /* Decision Variable */ 01204 uint32_t CurX; /* Current X Value */ 01205 uint32_t CurY; /* Current Y Value */ 01206 01207 D = 3 - (Radius << 1); 01208 CurX = 0; 01209 CurY = Radius; 01210 01211 while (CurX <= CurY) 01212 { 01213 BSP_LCD_DrawPixel((Xpos + CurX), (Ypos - CurY), DrawProp[ActiveLayer].TextColor); 01214 01215 BSP_LCD_DrawPixel((Xpos - CurX), (Ypos - CurY), DrawProp[ActiveLayer].TextColor); 01216 01217 BSP_LCD_DrawPixel((Xpos + CurY), (Ypos - CurX), DrawProp[ActiveLayer].TextColor); 01218 01219 BSP_LCD_DrawPixel((Xpos - CurY), (Ypos - CurX), DrawProp[ActiveLayer].TextColor); 01220 01221 BSP_LCD_DrawPixel((Xpos + CurX), (Ypos + CurY), DrawProp[ActiveLayer].TextColor); 01222 01223 BSP_LCD_DrawPixel((Xpos - CurX), (Ypos + CurY), DrawProp[ActiveLayer].TextColor); 01224 01225 BSP_LCD_DrawPixel((Xpos + CurY), (Ypos + CurX), DrawProp[ActiveLayer].TextColor); 01226 01227 BSP_LCD_DrawPixel((Xpos - CurY), (Ypos + CurX), DrawProp[ActiveLayer].TextColor); 01228 01229 if (D < 0) 01230 { 01231 D += (CurX << 2) + 6; 01232 } 01233 else 01234 { 01235 D += ((CurX - CurY) << 2) + 10; 01236 CurY--; 01237 } 01238 CurX++; 01239 } 01240 } 01241 01242 /** 01243 * @brief Draws an poly-line (between many points) in currently active layer. 01244 * @param Points: Pointer to the points array 01245 * @param PointCount: Number of points 01246 */ 01247 void BSP_LCD_DrawPolygon(pPoint Points, uint16_t PointCount) 01248 { 01249 int16_t X = 0, Y = 0; 01250 01251 if(PointCount < 2) 01252 { 01253 return; 01254 } 01255 01256 BSP_LCD_DrawLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y); 01257 01258 while(--PointCount) 01259 { 01260 X = Points->X; 01261 Y = Points->Y; 01262 Points++; 01263 BSP_LCD_DrawLine(X, Y, Points->X, Points->Y); 01264 } 01265 } 01266 01267 /** 01268 * @brief Draws an ellipse on LCD in currently active layer. 01269 * @param Xpos: X position 01270 * @param Ypos: Y position 01271 * @param XRadius: Ellipse X radius 01272 * @param YRadius: Ellipse Y radius 01273 */ 01274 void BSP_LCD_DrawEllipse(int Xpos, int Ypos, int XRadius, int YRadius) 01275 { 01276 int x = 0, y = -YRadius, err = 2-2*XRadius, e2; 01277 float K = 0, rad1 = 0, rad2 = 0; 01278 01279 rad1 = XRadius; 01280 rad2 = YRadius; 01281 01282 K = (float)(rad2/rad1); 01283 01284 do { 01285 BSP_LCD_DrawPixel((Xpos-(uint16_t)(x/K)), (Ypos+y), DrawProp[ActiveLayer].TextColor); 01286 BSP_LCD_DrawPixel((Xpos+(uint16_t)(x/K)), (Ypos+y), DrawProp[ActiveLayer].TextColor); 01287 BSP_LCD_DrawPixel((Xpos+(uint16_t)(x/K)), (Ypos-y), DrawProp[ActiveLayer].TextColor); 01288 BSP_LCD_DrawPixel((Xpos-(uint16_t)(x/K)), (Ypos-y), DrawProp[ActiveLayer].TextColor); 01289 01290 e2 = err; 01291 if (e2 <= x) { 01292 err += ++x*2+1; 01293 if (-y == x && e2 <= y) e2 = 0; 01294 } 01295 if (e2 > y) err += ++y*2+1; 01296 } 01297 while (y <= 0); 01298 } 01299 01300 /** 01301 * @brief Draws a bitmap picture loaded in the internal Flash (32 bpp) in currently active layer. 01302 * @param Xpos: Bmp X position in the LCD 01303 * @param Ypos: Bmp Y position in the LCD 01304 * @param pbmp: Pointer to Bmp picture address in the internal Flash 01305 */ 01306 void BSP_LCD_DrawBitmap(uint32_t Xpos, uint32_t Ypos, uint8_t *pbmp) 01307 { 01308 uint32_t index = 0, width = 0, height = 0, bit_pixel = 0; 01309 uint32_t Address; 01310 uint32_t InputColorMode = 0; 01311 01312 /* Get bitmap data address offset */ 01313 index = *(__IO uint16_t *) (pbmp + 10); 01314 index |= (*(__IO uint16_t *) (pbmp + 12)) << 16; 01315 01316 /* Read bitmap width */ 01317 width = *(uint16_t *) (pbmp + 18); 01318 width |= (*(uint16_t *) (pbmp + 20)) << 16; 01319 01320 /* Read bitmap height */ 01321 height = *(uint16_t *) (pbmp + 22); 01322 height |= (*(uint16_t *) (pbmp + 24)) << 16; 01323 01324 /* Read bit/pixel */ 01325 bit_pixel = *(uint16_t *) (pbmp + 28); 01326 01327 /* Set the address */ 01328 Address = hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress + (((BSP_LCD_GetXSize()*Ypos) + Xpos)*(4)); 01329 01330 /* Get the layer pixel format */ 01331 if ((bit_pixel/8) == 4) 01332 { 01333 InputColorMode = DMA2D_INPUT_ARGB8888; 01334 } 01335 else if ((bit_pixel/8) == 2) 01336 { 01337 InputColorMode = DMA2D_INPUT_RGB565; 01338 } 01339 else 01340 { 01341 InputColorMode = DMA2D_INPUT_RGB888; 01342 } 01343 01344 /* Bypass the bitmap header */ 01345 pbmp += (index + (width * (height - 1) * (bit_pixel/8))); 01346 01347 /* Convert picture to ARGB8888 pixel format */ 01348 for(index=0; index < height; index++) 01349 { 01350 /* Pixel format conversion */ 01351 LL_ConvertLineToARGB8888((uint32_t *)pbmp, (uint32_t *)Address, width, InputColorMode); 01352 01353 /* Increment the source and destination buffers */ 01354 Address+= (BSP_LCD_GetXSize()*4); 01355 pbmp -= width*(bit_pixel/8); 01356 } 01357 } 01358 01359 /** 01360 * @brief Draws a full rectangle in currently active layer. 01361 * @param Xpos: X position 01362 * @param Ypos: Y position 01363 * @param Width: Rectangle width 01364 * @param Height: Rectangle height 01365 */ 01366 void BSP_LCD_FillRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height) 01367 { 01368 uint32_t Xaddress = 0; 01369 01370 /* Set the text color */ 01371 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 01372 01373 /* Get the rectangle start address */ 01374 Xaddress = (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress) + 4*(BSP_LCD_GetXSize()*Ypos + Xpos); 01375 01376 /* Fill the rectangle */ 01377 LL_FillBuffer(ActiveLayer, (uint32_t *)Xaddress, Width, Height, (BSP_LCD_GetXSize() - Width), DrawProp[ActiveLayer].TextColor); 01378 } 01379 01380 /** 01381 * @brief Draws a full circle in currently active layer. 01382 * @param Xpos: X position 01383 * @param Ypos: Y position 01384 * @param Radius: Circle radius 01385 */ 01386 void BSP_LCD_FillCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius) 01387 { 01388 int32_t D; /* Decision Variable */ 01389 uint32_t CurX; /* Current X Value */ 01390 uint32_t CurY; /* Current Y Value */ 01391 01392 D = 3 - (Radius << 1); 01393 01394 CurX = 0; 01395 CurY = Radius; 01396 01397 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 01398 01399 while (CurX <= CurY) 01400 { 01401 if(CurY > 0) 01402 { 01403 BSP_LCD_DrawHLine(Xpos - CurY, Ypos + CurX, 2*CurY); 01404 BSP_LCD_DrawHLine(Xpos - CurY, Ypos - CurX, 2*CurY); 01405 } 01406 01407 if(CurX > 0) 01408 { 01409 BSP_LCD_DrawHLine(Xpos - CurX, Ypos - CurY, 2*CurX); 01410 BSP_LCD_DrawHLine(Xpos - CurX, Ypos + CurY, 2*CurX); 01411 } 01412 if (D < 0) 01413 { 01414 D += (CurX << 2) + 6; 01415 } 01416 else 01417 { 01418 D += ((CurX - CurY) << 2) + 10; 01419 CurY--; 01420 } 01421 CurX++; 01422 } 01423 01424 BSP_LCD_SetTextColor(DrawProp[ActiveLayer].TextColor); 01425 BSP_LCD_DrawCircle(Xpos, Ypos, Radius); 01426 } 01427 01428 /** 01429 * @brief Draws a full poly-line (between many points) in currently active layer. 01430 * @param Points: Pointer to the points array 01431 * @param PointCount: Number of points 01432 */ 01433 void BSP_LCD_FillPolygon(pPoint Points, uint16_t PointCount) 01434 { 01435 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; 01436 uint16_t IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0; 01437 01438 IMAGE_LEFT = IMAGE_RIGHT = Points->X; 01439 IMAGE_TOP= IMAGE_BOTTOM = Points->Y; 01440 01441 for(counter = 1; counter < PointCount; counter++) 01442 { 01443 pixelX = POLY_X(counter); 01444 if(pixelX < IMAGE_LEFT) 01445 { 01446 IMAGE_LEFT = pixelX; 01447 } 01448 if(pixelX > IMAGE_RIGHT) 01449 { 01450 IMAGE_RIGHT = pixelX; 01451 } 01452 01453 pixelY = POLY_Y(counter); 01454 if(pixelY < IMAGE_TOP) 01455 { 01456 IMAGE_TOP = pixelY; 01457 } 01458 if(pixelY > IMAGE_BOTTOM) 01459 { 01460 IMAGE_BOTTOM = pixelY; 01461 } 01462 } 01463 01464 if(PointCount < 2) 01465 { 01466 return; 01467 } 01468 01469 X_center = (IMAGE_LEFT + IMAGE_RIGHT)/2; 01470 Y_center = (IMAGE_BOTTOM + IMAGE_TOP)/2; 01471 01472 X_first = Points->X; 01473 Y_first = Points->Y; 01474 01475 while(--PointCount) 01476 { 01477 X = Points->X; 01478 Y = Points->Y; 01479 Points++; 01480 X2 = Points->X; 01481 Y2 = Points->Y; 01482 01483 FillTriangle(X, X2, X_center, Y, Y2, Y_center); 01484 FillTriangle(X, X_center, X2, Y, Y_center, Y2); 01485 FillTriangle(X_center, X2, X, Y_center, Y2, Y); 01486 } 01487 01488 FillTriangle(X_first, X2, X_center, Y_first, Y2, Y_center); 01489 FillTriangle(X_first, X_center, X2, Y_first, Y_center, Y2); 01490 FillTriangle(X_center, X2, X_first, Y_center, Y2, Y_first); 01491 } 01492 01493 /** 01494 * @brief Draws a full ellipse in currently active layer. 01495 * @param Xpos: X position 01496 * @param Ypos: Y position 01497 * @param XRadius: Ellipse X radius 01498 * @param YRadius: Ellipse Y radius 01499 */ 01500 void BSP_LCD_FillEllipse(int Xpos, int Ypos, int XRadius, int YRadius) 01501 { 01502 int x = 0, y = -YRadius, err = 2-2*XRadius, e2; 01503 float K = 0, rad1 = 0, rad2 = 0; 01504 01505 rad1 = XRadius; 01506 rad2 = YRadius; 01507 01508 K = (float)(rad2/rad1); 01509 01510 do 01511 { 01512 BSP_LCD_DrawHLine((Xpos-(uint16_t)(x/K)), (Ypos+y), (2*(uint16_t)(x/K) + 1)); 01513 BSP_LCD_DrawHLine((Xpos-(uint16_t)(x/K)), (Ypos-y), (2*(uint16_t)(x/K) + 1)); 01514 01515 e2 = err; 01516 if (e2 <= x) 01517 { 01518 err += ++x*2+1; 01519 if (-y == x && e2 <= y) e2 = 0; 01520 } 01521 if (e2 > y) err += ++y*2+1; 01522 } 01523 while (y <= 0); 01524 } 01525 01526 /** 01527 * @brief Switch back on the display if was switched off by previous call of BSP_LCD_DisplayOff(). 01528 * Exit DSI ULPM mode if was allowed and configured in Dsi Configuration. 01529 */ 01530 void BSP_LCD_DisplayOn(void) 01531 { 01532 #if defined(USE_LCD_HDMI) 01533 if(ADV7533_ID == adv7533_drv.ReadID(ADV7533_CEC_DSI_I2C_ADDR)) 01534 { 01535 return ; /* Not supported for HDMI display */ 01536 } 01537 else 01538 #endif /* USE_LCD_HDMI */ 01539 { 01540 /* Send Display on DCS command to display */ 01541 HAL_DSI_ShortWrite(&(hdsi_discovery), 01542 hdsivideo_handle.VirtualChannelID, 01543 DSI_DCS_SHORT_PKT_WRITE_P1, 01544 OTM8009A_CMD_DISPON, 01545 0x00); 01546 } 01547 } 01548 01549 /** 01550 * @brief Switch Off the display. 01551 * Enter DSI ULPM mode if was allowed and configured in Dsi Configuration. 01552 */ 01553 void BSP_LCD_DisplayOff(void) 01554 { 01555 #if defined(USE_LCD_HDMI) 01556 if(ADV7533_ID == adv7533_drv.ReadID(ADV7533_CEC_DSI_I2C_ADDR)) 01557 { 01558 return ; /* Not supported for HDMI display */ 01559 } 01560 else 01561 #endif /* USE_LCD_HDMI */ 01562 { 01563 /* Send Display off DCS Command to display */ 01564 HAL_DSI_ShortWrite(&(hdsi_discovery), 01565 hdsivideo_handle.VirtualChannelID, 01566 DSI_DCS_SHORT_PKT_WRITE_P1, 01567 OTM8009A_CMD_DISPOFF, 01568 0x00); 01569 } 01570 } 01571 01572 /** 01573 * @brief Set the brightness value 01574 * @param BrightnessValue: [00: Min (black), 100 Max] 01575 */ 01576 void BSP_LCD_SetBrightness(uint8_t BrightnessValue) 01577 { 01578 #if defined(USE_LCD_HDMI) 01579 if(ADV7533_ID == adv7533_drv.ReadID(ADV7533_CEC_DSI_I2C_ADDR)) 01580 { 01581 return ; /* Not supported for HDMI display */ 01582 } 01583 else 01584 #endif /* USE_LCD_HDMI */ 01585 { 01586 /* Send Display on DCS command to display */ 01587 HAL_DSI_ShortWrite(&hdsi_discovery, 01588 LCD_OTM8009A_ID, 01589 DSI_DCS_SHORT_PKT_WRITE_P1, 01590 OTM8009A_CMD_WRDISBV, (uint16_t)(BrightnessValue * 255)/100); 01591 } 01592 } 01593 01594 /** 01595 * @brief DCS or Generic short/long write command 01596 * @param NbrParams: Number of parameters. It indicates the write command mode: 01597 * If inferior to 2, a long write command is performed else short. 01598 * @param pParams: Pointer to parameter values table. 01599 * @retval HAL status 01600 */ 01601 void DSI_IO_WriteCmd(uint32_t NbrParams, uint8_t *pParams) 01602 { 01603 if(NbrParams <= 1) 01604 { 01605 HAL_DSI_ShortWrite(&hdsi_discovery, LCD_OTM8009A_ID, DSI_DCS_SHORT_PKT_WRITE_P1, pParams[0], pParams[1]); 01606 } 01607 else 01608 { 01609 HAL_DSI_LongWrite(&hdsi_discovery, LCD_OTM8009A_ID, DSI_DCS_LONG_PKT_WRITE, NbrParams, pParams[NbrParams], pParams); 01610 } 01611 } 01612 01613 /** 01614 * @brief Returns the ID of connected screen by checking the HDMI 01615 * (adv7533 component) ID or LCD DSI (via TS ID) ID. 01616 * @retval LCD ID 01617 */ 01618 static uint16_t LCD_IO_GetID(void) 01619 { 01620 #if defined(USE_LCD_HDMI) 01621 HDMI_IO_Init(); 01622 01623 HDMI_IO_Delay(60); 01624 01625 if(ADV7533_ID == adv7533_drv.ReadID(ADV7533_CEC_DSI_I2C_ADDR)) 01626 { 01627 return ADV7533_ID; 01628 } 01629 else if(HDMI_IO_Read(LCD_DSI_ADDRESS, LCD_DSI_ID_REG) == LCD_DSI_ID) 01630 { 01631 return LCD_DSI_ID; 01632 } 01633 else 01634 { 01635 return 0; 01636 } 01637 #else 01638 return LCD_DSI_ID; 01639 #endif /* USE_LCD_HDMI */ 01640 } 01641 01642 /******************************************************************************* 01643 LTDC, DMA2D and DSI BSP Routines 01644 *******************************************************************************/ 01645 /** 01646 * @brief De-Initializes the BSP LCD Msp 01647 * Application can surcharge if needed this function implementation. 01648 */ 01649 __weak void BSP_LCD_MspDeInit(void) 01650 { 01651 /** @brief Disable IRQ of LTDC IP */ 01652 HAL_NVIC_DisableIRQ(LTDC_IRQn); 01653 01654 /** @brief Disable IRQ of DMA2D IP */ 01655 HAL_NVIC_DisableIRQ(DMA2D_IRQn); 01656 01657 /** @brief Disable IRQ of DSI IP */ 01658 HAL_NVIC_DisableIRQ(DSI_IRQn); 01659 01660 /** @brief Force and let in reset state LTDC, DMA2D and DSI Host + Wrapper IPs */ 01661 __HAL_RCC_LTDC_FORCE_RESET(); 01662 __HAL_RCC_DMA2D_FORCE_RESET(); 01663 __HAL_RCC_DSI_FORCE_RESET(); 01664 01665 /** @brief Disable the LTDC, DMA2D and DSI Host and Wrapper clocks */ 01666 __HAL_RCC_LTDC_CLK_DISABLE(); 01667 __HAL_RCC_DMA2D_CLK_DISABLE(); 01668 __HAL_RCC_DSI_CLK_DISABLE(); 01669 } 01670 01671 /** 01672 * @brief Initialize the BSP LCD Msp. 01673 * Application can surcharge if needed this function implementation 01674 */ 01675 __weak void BSP_LCD_MspInit(void) 01676 { 01677 /** @brief Enable the LTDC clock */ 01678 __HAL_RCC_LTDC_CLK_ENABLE(); 01679 01680 /** @brief Toggle Sw reset of LTDC IP */ 01681 __HAL_RCC_LTDC_FORCE_RESET(); 01682 __HAL_RCC_LTDC_RELEASE_RESET(); 01683 01684 /** @brief Enable the DMA2D clock */ 01685 __HAL_RCC_DMA2D_CLK_ENABLE(); 01686 01687 /** @brief Toggle Sw reset of DMA2D IP */ 01688 __HAL_RCC_DMA2D_FORCE_RESET(); 01689 __HAL_RCC_DMA2D_RELEASE_RESET(); 01690 01691 /** @brief Enable DSI Host and wrapper clocks */ 01692 __HAL_RCC_DSI_CLK_ENABLE(); 01693 01694 /** @brief Soft Reset the DSI Host and wrapper */ 01695 __HAL_RCC_DSI_FORCE_RESET(); 01696 __HAL_RCC_DSI_RELEASE_RESET(); 01697 01698 /** @brief NVIC configuration for LTDC interrupt that is now enabled */ 01699 HAL_NVIC_SetPriority(LTDC_IRQn, 3, 0); 01700 HAL_NVIC_EnableIRQ(LTDC_IRQn); 01701 01702 /** @brief NVIC configuration for DMA2D interrupt that is now enabled */ 01703 HAL_NVIC_SetPriority(DMA2D_IRQn, 3, 0); 01704 HAL_NVIC_EnableIRQ(DMA2D_IRQn); 01705 01706 /** @brief NVIC configuration for DSI interrupt that is now enabled */ 01707 HAL_NVIC_SetPriority(DSI_IRQn, 3, 0); 01708 HAL_NVIC_EnableIRQ(DSI_IRQn); 01709 } 01710 01711 /** 01712 * @brief Draws a pixel on LCD. 01713 * @param Xpos: X position 01714 * @param Ypos: Y position 01715 * @param RGB_Code: Pixel color in ARGB mode (8-8-8-8) 01716 */ 01717 void BSP_LCD_DrawPixel(uint16_t Xpos, uint16_t Ypos, uint32_t RGB_Code) 01718 { 01719 /* Write data value to all SDRAM memory */ 01720 *(__IO uint32_t*) (hltdc_discovery.LayerCfg[ActiveLayer].FBStartAdress + (4*(Ypos*BSP_LCD_GetXSize() + Xpos))) = RGB_Code; 01721 } 01722 01723 01724 /** 01725 * @brief Draws a character on LCD. 01726 * @param Xpos: Line where to display the character shape 01727 * @param Ypos: Start column address 01728 * @param c: Pointer to the character data 01729 */ 01730 static void DrawChar(uint16_t Xpos, uint16_t Ypos, const uint8_t *c) 01731 { 01732 uint32_t i = 0, j = 0; 01733 uint16_t height, width; 01734 uint8_t offset; 01735 uint8_t *pchar; 01736 uint32_t line; 01737 01738 height = DrawProp[ActiveLayer].pFont->Height; 01739 width = DrawProp[ActiveLayer].pFont->Width; 01740 01741 offset = 8 *((width + 7)/8) - width ; 01742 01743 for(i = 0; i < height; i++) 01744 { 01745 pchar = ((uint8_t *)c + (width + 7)/8 * i); 01746 01747 switch(((width + 7)/8)) 01748 { 01749 01750 case 1: 01751 line = pchar[0]; 01752 break; 01753 01754 case 2: 01755 line = (pchar[0]<< 8) | pchar[1]; 01756 break; 01757 01758 case 3: 01759 default: 01760 line = (pchar[0]<< 16) | (pchar[1]<< 8) | pchar[2]; 01761 break; 01762 } 01763 01764 for (j = 0; j < width; j++) 01765 { 01766 if(line & (1 << (width- j + offset- 1))) 01767 { 01768 BSP_LCD_DrawPixel((Xpos + j), Ypos, DrawProp[ActiveLayer].TextColor); 01769 } 01770 else 01771 { 01772 BSP_LCD_DrawPixel((Xpos + j), Ypos, DrawProp[ActiveLayer].BackColor); 01773 } 01774 } 01775 Ypos++; 01776 } 01777 } 01778 01779 /** 01780 * @brief Fills a triangle (between 3 points). 01781 * @param x1: Point 1 X position 01782 * @param y1: Point 1 Y position 01783 * @param x2: Point 2 X position 01784 * @param y2: Point 2 Y position 01785 * @param x3: Point 3 X position 01786 * @param y3: Point 3 Y position 01787 */ 01788 static void FillTriangle(uint16_t x1, uint16_t x2, uint16_t x3, uint16_t y1, uint16_t y2, uint16_t y3) 01789 { 01790 int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, 01791 yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, 01792 curpixel = 0; 01793 01794 deltax = ABS(x2 - x1); /* The difference between the x's */ 01795 deltay = ABS(y2 - y1); /* The difference between the y's */ 01796 x = x1; /* Start x off at the first pixel */ 01797 y = y1; /* Start y off at the first pixel */ 01798 01799 if (x2 >= x1) /* The x-values are increasing */ 01800 { 01801 xinc1 = 1; 01802 xinc2 = 1; 01803 } 01804 else /* The x-values are decreasing */ 01805 { 01806 xinc1 = -1; 01807 xinc2 = -1; 01808 } 01809 01810 if (y2 >= y1) /* The y-values are increasing */ 01811 { 01812 yinc1 = 1; 01813 yinc2 = 1; 01814 } 01815 else /* The y-values are decreasing */ 01816 { 01817 yinc1 = -1; 01818 yinc2 = -1; 01819 } 01820 01821 if (deltax >= deltay) /* There is at least one x-value for every y-value */ 01822 { 01823 xinc1 = 0; /* Don't change the x when numerator >= denominator */ 01824 yinc2 = 0; /* Don't change the y for every iteration */ 01825 den = deltax; 01826 num = deltax / 2; 01827 numadd = deltay; 01828 numpixels = deltax; /* There are more x-values than y-values */ 01829 } 01830 else /* There is at least one y-value for every x-value */ 01831 { 01832 xinc2 = 0; /* Don't change the x for every iteration */ 01833 yinc1 = 0; /* Don't change the y when numerator >= denominator */ 01834 den = deltay; 01835 num = deltay / 2; 01836 numadd = deltax; 01837 numpixels = deltay; /* There are more y-values than x-values */ 01838 } 01839 01840 for (curpixel = 0; curpixel <= numpixels; curpixel++) 01841 { 01842 BSP_LCD_DrawLine(x, y, x3, y3); 01843 01844 num += numadd; /* Increase the numerator by the top of the fraction */ 01845 if (num >= den) /* Check if numerator >= denominator */ 01846 { 01847 num -= den; /* Calculate the new numerator value */ 01848 x += xinc1; /* Change the x as appropriate */ 01849 y += yinc1; /* Change the y as appropriate */ 01850 } 01851 x += xinc2; /* Change the x as appropriate */ 01852 y += yinc2; /* Change the y as appropriate */ 01853 } 01854 } 01855 01856 /** 01857 * @brief Fills a buffer. 01858 * @param LayerIndex: Layer index 01859 * @param pDst: Pointer to destination buffer 01860 * @param xSize: Buffer width 01861 * @param ySize: Buffer height 01862 * @param OffLine: Offset 01863 * @param ColorIndex: Color index 01864 */ 01865 static void LL_FillBuffer(uint32_t LayerIndex, void *pDst, uint32_t xSize, uint32_t ySize, uint32_t OffLine, uint32_t ColorIndex) 01866 { 01867 /* Register to memory mode with ARGB8888 as color Mode */ 01868 hdma2d_discovery.Init.Mode = DMA2D_R2M; 01869 hdma2d_discovery.Init.ColorMode = DMA2D_OUTPUT_ARGB8888; 01870 hdma2d_discovery.Init.OutputOffset = OffLine; 01871 01872 hdma2d_discovery.Instance = DMA2D; 01873 01874 /* DMA2D Initialization */ 01875 if(HAL_DMA2D_Init(&hdma2d_discovery) == HAL_OK) 01876 { 01877 if(HAL_DMA2D_ConfigLayer(&hdma2d_discovery, LayerIndex) == HAL_OK) 01878 { 01879 if (HAL_DMA2D_Start(&hdma2d_discovery, ColorIndex, (uint32_t)pDst, xSize, ySize) == HAL_OK) 01880 { 01881 /* Polling For DMA transfer */ 01882 HAL_DMA2D_PollForTransfer(&hdma2d_discovery, 10); 01883 } 01884 } 01885 } 01886 } 01887 01888 /** 01889 * @brief Converts a line to an ARGB8888 pixel format. 01890 * @param pSrc: Pointer to source buffer 01891 * @param pDst: Output color 01892 * @param xSize: Buffer width 01893 * @param ColorMode: Input color mode 01894 */ 01895 static void LL_ConvertLineToARGB8888(void *pSrc, void *pDst, uint32_t xSize, uint32_t ColorMode) 01896 { 01897 /* Configure the DMA2D Mode, Color Mode and output offset */ 01898 hdma2d_discovery.Init.Mode = DMA2D_M2M_PFC; 01899 hdma2d_discovery.Init.ColorMode = DMA2D_OUTPUT_ARGB8888; 01900 hdma2d_discovery.Init.OutputOffset = 0; 01901 01902 /* Foreground Configuration */ 01903 hdma2d_discovery.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA; 01904 hdma2d_discovery.LayerCfg[1].InputAlpha = 0xFF; 01905 hdma2d_discovery.LayerCfg[1].InputColorMode = ColorMode; 01906 hdma2d_discovery.LayerCfg[1].InputOffset = 0; 01907 01908 hdma2d_discovery.Instance = DMA2D; 01909 01910 /* DMA2D Initialization */ 01911 if(HAL_DMA2D_Init(&hdma2d_discovery) == HAL_OK) 01912 { 01913 if(HAL_DMA2D_ConfigLayer(&hdma2d_discovery, 1) == HAL_OK) 01914 { 01915 if (HAL_DMA2D_Start(&hdma2d_discovery, (uint32_t)pSrc, (uint32_t)pDst, xSize, 1) == HAL_OK) 01916 { 01917 /* Polling For DMA transfer */ 01918 HAL_DMA2D_PollForTransfer(&hdma2d_discovery, 10); 01919 } 01920 } 01921 } 01922 } 01923 01924 /** 01925 * @} 01926 */ 01927 01928 /** 01929 * @} 01930 */ 01931 01932 /** 01933 * @} 01934 */ 01935 01936 /** 01937 * @} 01938 */ 01939 01940 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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