文件列表:

LibJPEG (0, 2016-07-11)
LibJPEG\LibJPEG_Decoding (0, 2016-07-11)
LibJPEG\LibJPEG_Decoding\EWARM (0, 2016-07-11)
LibJPEG\LibJPEG_Decoding\EWARM\Project.ewd (41685, 2016-04-28)
LibJPEG\LibJPEG_Decoding\EWARM\Project.ewp (38003, 2016-04-29)
LibJPEG\LibJPEG_Decoding\EWARM\Project.eww (161, 2016-04-28)
LibJPEG\LibJPEG_Decoding\EWARM\startup_stm32f746xx.s (29194, 2016-04-28)
LibJPEG\LibJPEG_Decoding\EWARM\stm32f746xx_flash.icf (1600, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc (0, 2016-07-11)
LibJPEG\LibJPEG_Decoding\Inc\decode.h (3623, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc\ffconf.h (10815, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc\jconfig.h (6622, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc\jmorecfg.h (13332, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc\main.h (3990, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc\stm32f7xx_hal_conf.h (16492, 2016-04-28)
LibJPEG\LibJPEG_Decoding\Inc\stm32f7xx_it.h (3138, 2016-04-28)
LibJPEG\LibJPEG_Decoding\MDK-ARM (0, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\DebugConfig (0, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\DebugConfig\STM32746G-DISCOVERY_STM32F746NGHx_1.0.0.dbgconf (7480, 2016-03-09)
LibJPEG\LibJPEG_Decoding\MDK-ARM\Project.uvguix.lenovo (73042, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\Project.uvoptx (46955, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\Project.uvprojx (35148, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\RTE (0, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\RTE\RTE_Components.h (266, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\startup_stm32f746xx.lst (81678, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\startup_stm32f746xx.s (32711, 2016-04-28)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY (0, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\decode.crf (708622, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\decode.d (5767, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\decode.o (747556, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\diskio.crf (671236, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\diskio.d (4825, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\diskio.o (728144, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\ff.crf (710754, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\ff.d (4605, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\ff.o (831756, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\ff_gen_drv.crf (670998, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\ff_gen_drv.d (5025, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\ff_gen_drv.o (728608, 2016-07-14)
LibJPEG\LibJPEG_Decoding\MDK-ARM\STM32746G-DISCOVERY\jaricom.crf (715940, 2016-07-14)
... ...

/** @page LibJPEG_Decoding LibJPEG decoding application @verbatim ******************** (C) COPYRIGHT 2016 STMicroelectronics ******************* * @file LibJPEG/LibJPEG_Decoding/readme.txt * @author MCD Application Team * @version V1.0.3 * @date 22-April-2016 * @brief Description of the LibJPEG decoding application. ****************************************************************************** * * Copyright (c) 2016 STMicroelectronics International N.V. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions are met: * * 1. Redistribution of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of other * contributors to this software may be used to endorse or promote products * derived from this software without specific written permission. * 4. This software, including modifications and/or derivative works of this * software, must execute solely and exclusively on microcontroller or * microprocessor devices manufactured by or for STMicroelectronics. * 5. Redistribution and use of this software other than as permitted under * this license is void and will automatically terminate your rights under * this license. * * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** @endverbatim @par Application Description This application demonstrates how to read jpeg file from SDCard memory, decode it and display the final BMP image on the LCD. The JPEG images should be copied at the micro SD card root. The images must have the following properties: - named as "image.jpg" - 320*240 size The image size can be modified by changing IMAGE_WIDTH and IMAGE_HEIGHT defines in "main.h" file to decode other resolution than 320x240. Uncomment "SWAP_RB" define in "main.h" file if the displayed image color are inverted The image transferring to the LCD_FRAME_BUFFER can be done in two ways; with CPU or with DMA2D. In main.h file, uncomment "USE_DMA2D" define for DMA2D transfer. Otherwise, transfer is made by CPU. @note Care must be taken when using HAL_Delay(), this function provides accurate delay (in milliseconds) based on variable incremented in SysTick ISR. This implies that if HAL_Delay() is called from a peripheral ISR process, then the SysTick interrupt must have higher priority (numerically lower) than the peripheral interrupt. Otherwise the caller ISR process will be blocked. To change the SysTick interrupt priority you have to use HAL_NVIC_SetPriority() function. @note The application needs to ensure that the SysTick time base is always set to 1 millisecond to have correct HAL operation. @note The STM32F7xx devices can reach a maximum clock frequency of 216MHz but as this application uses SDRAM, the system clock is limited to 200MHz. Indeed proper functioning of the SDRAM is only guaranteed at a maximum system clock frequency of 200MHz. @par Directory contents - LibJPEG/LibJPEG_Decoding/Inc/main.h Main program header file - LibJPEG/LibJPEG_Decoding/Inc/stm32f7xx_it.h Interrupt handlers header file - LibJPEG/LibJPEG_Decoding/Inc/stm32f7xx_hal_conf.h HAL Configuration file - LibJPEG/LibJPEG_Decoding/Inc/ffconf.h FAT file system module configuration file - LibJPEG/LibJPEG_Decoding/Inc/decode.h decoder header file - LibJPEG/LibJPEG_Decoding/Inc/jmorecfg.h Lib JPEG configuration file (advanced configuration). - LibJPEG/LibJPEG_Decoding/Inc/jconfig.h Lib JPEG configuration file. - LibJPEG/LibJPEG_Decoding/Src/main.c Main program - LibJPEG/LibJPEG_Decoding/Src/stm32f7xx_it.c Interrupt handlers - LibJPEG/LibJPEG_Decoding/Src/system_stm32f7xx.c STM32F7xx system clock configuration file - LibJPEG/LibJPEG_Decoding/Src/decode.c decoder file @par Hardware and Software environment - This example runs on STM32F7xx devices. - This example has been tested with STMicroelectronics STM32746G-DISCOVERY boards and can be easily tailored to any other supported device and development board. - STM32746G-DISCOVERY Set-up - Connect a uSD Card to the MSD connector (CN3). @par How to use it ? In order to make the program work, you must do the following : - Open your preferred toolchain - Rebuild all files and load your image into target memory - Run the application *

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