STM32CubeF7

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/**
  @page STemWin_HelloWorld Readme file
 
  @verbatim
  ******************************************************************************
  * @file    STemWin_HelloWorld/readme.txt 
  * @author  MCD Application Team
  * @brief   
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  @endverbatim

@par Application Description

Simple "Hello World" example based on STemWin.

The example allows also to run the different Segger samples that can be
downloaded from here:
http://www.segger.com/emwin-samples.html
To do this, user has only to replace the file "Basic_HelloWorld.c" into the
project workspace by the downloaded one.

The 4 leds are blinking to show that the program is runing

Note that the following user files may need to be updated:
  LCDConf_stm32f769i_eval.c
  GUIConf_stm32f769i_eval.c
(if for example more GUI allocated memory is needed)

@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 need to ensure that the SysTick time base is always set to 1 millisecond
      to have correct HAL operation.

@par Keywords

Display, Graphic, STemWin, HelloWorld, LCD, GUI

@Note If the user code size exceeds the DTCM-RAM size or starts from internal cacheable memories (SRAM1 and SRAM2),that is shared between several processors,
      then it is highly recommended to enable the CPU cache and maintain its coherence at application level.
      The address and the size of cacheable buffers (shared between CPU and other masters)  must be properly updated to be aligned to cache line size (32 bytes).

@Note It is recommended to enable the cache and maintain its coherence, but depending on the use case
      It is also possible to configure the MPU as "Write through", to guarantee the write access coherence.
      In that case, the MPU must be configured as Cacheable/Bufferable/Not Shareable.
      Even though the user must manage the cache coherence for read accesses.
      Please refer to the AN4838 “Managing memory protection unit (MPU) in STM32 MCUs”
      Please refer to the AN4839 “Level 1 cache on STM32F7 Series”

@par Directory contents 

  - STemWin/STemWin_HelloWorld/STemWin/Target/GUIConf.h                  Header for GUIConf_stm32f769i_eval.c
  - STemWin/STemWin_HelloWorld/STemWin/Target/LCDConf.h                  Header for LCDConf_stm32f769i_eval.c
  - STemWin/STemWin_HelloWorld/Core/Inc/main.h                           Main program header file
  - STemWin/STemWin_HelloWorld/Core/Inc/stm32f7xx_hal_conf.h             Library Configuration file
  - STemWin/STemWin_HelloWorld/Core/Inc/stm32f7xx_it.h                   Interrupt handlers header file
  - STemWin/STemWin_HelloWorld/STemWin/App/BASIC_HelloWorld.c            Simple demo drawing "Hello world"
  - STemWin/STemWin_HelloWorld/STemWin/Target/GUIConf_stm32f769i_eval.c  Display controller initialization
  - STemWin/STemWin_HelloWorld/STemWin/Target/LCDConf_stm32f769i_eval.c  Configuration file for the GUI library
  - STemWin/STemWin_HelloWorld/Core/Src/main.c                           Main program file
  - STemWin/STemWin_HelloWorld/Core/Src/stm32f7xx_it.c                   STM32F7xx Interrupt handlers
  - STemWin/STemWin_HelloWorld/Core/Src/system_stm32f7xx.c               STM32F7xx system file
 
@par Hardware and Software environment 

  - This example runs on STM32F769xx/STM32F779xx devices.
    
  - This example has been tested with STM32F769I-EVAL  evaluation board and can be
    easily tailored to any other supported device and development board.

@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 example
 

 */

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