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  • 2020-02-26 19:42
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STM3210C_EVAL 的 LL 和 HAL 例程
STM3210C_EVAL.zip
内容介绍
/** @page IAP/IAP_Main STM32F1xx In-Application Programming using the USART Readme file @verbatim ******************** (C) COPYRIGHT 2016 STMicroelectronics ******************* * @file IAP/IAP_Main/readme.txt * @author MCD Application Team * @brief Description of implementation of the (in-application programming * using the USART (IAP)) on STM32F1xx devices. ****************************************************************************** * @attention * * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics. * All rights reserved.</center></h2> * * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** @endverbatim @par Example Description This directory contains a set of sources files and pre-configured projects that describes how to build an application to be loaded into Flash memory using In-Application Programming (IAP, through USART). @par Directory contents - "IAP/IAP_Main/Inc": contains the IAP firmware header files - IAP/IAP_Main/Inc/main.h The main include file of the project. - IAP/IAP_Main/Inc/common.h This file provides all the headers of the common functions. - IAP/IAP_Main/Inc/flash_if.h This file provides all the firmware function headers of the flash_if.c file. - IAP/IAP_Main/Inc/menu.h This file provides all the firmware function headers of the menu.c file. - IAP/IAP_Main/Inc/ymodem.h This file provides all the firmware function headers of the ymodem.c file. - IAP/IAP_Main/Inc/stm32f1xx_hal_conf.h Library Configuration file - IAP/IAP_Main/Inc/stm32f1xx_it.h Header for stm32f1xx_it.c - "IAP/IAP_Main/MDK-ARM": contains pre-configured project for MDK-ARM toolchain - "IAP/IAP_Main/EWARM": contains pre-configured project for EWARM toolchain - "IAP/IAP_Main/SW4STM32": contains pre-configured project for SW4STM32 toolchain - "IAP/IAP_Main/Src": contains the IAP firmware source files - IAP/IAP_Main/Src/main.c Main program - IAP/IAP_Main/Src/stm32f1xx_it.c Interrupt handlers - IAP/IAP_Main/Src/stm32f1xx_hal_msp.c Microcontroller specific packages initialization file. - IAP/IAP_Main/Src/flash_if.c The file contains write, erase and disable write protection of the internal Flash memory. - IAP/IAP_Main/Src/menu.c This file contains the menu to select downloading a new binary file, uploading internal Flash memory, executing the binary and disabling the write protection of write-protected pages - IAP/IAP_Main/Src/common.c This file provides functions related to read/write from/to USART peripheral - IAP/IAP_Main/Src/ymodem.c This file provides all the firmware functions related to the ymodem protocol. - IAP/IAP_Main/Src/system_stm32f1xx.c STM32F1xx system source file @par Hardware and Software environment - This example runs on STM32F1xx Devices. - This example has been tested with STMicroelectronics STM3210C-EVAL RevC evaluation board and can be easily tailored to any other supported device and development board. Table 1. IAP implementation on STM3210C-EVAL RevC /*** Platform ***|************* Implementation **************************|***** Configuration *****\ **************************************************************************************************** | Firmware | The IAP program is located at 0x08000000. The Flash | | | | routines (program/erase) are executed from the Flash | | | | memory. | | | | The maximum size of this program (wo optimization) | | | | is about 13 Kbytes and | | | | programmed on: | Page 0 - Page 7 | | | ------------------------------------------------------|-------------------------| | | The user application (image to be downloaded with the | | | | IAP) will be programmed starting from address | | | | (uint32_t)0x08004000(1). | (Page 8 - Page 127) | | | The maximum size of the image to be loaded is: | (240 Kbytes | | | ------------------------------------------------------|-------------------------| | | The image is uploaded with the IAP from the STM32F1xx | 12 Kbytes | | | internal Flash. | (Page 8 - Page 13) | | | The size of the image to be uploaded is: | | |----------------|-------------------------------------------------------|-------------------------| | Hardware | Push-button (active level: high) | Key push-button | | | | connected to pin PB.09 | | | ------------------------------------------------------|-------------------------| | | USART used | USART2 (CN6) | \**************************************************************************************************/ (1) User application location address is defined in the flash_if.h file as: #define APPLICATION_ADDRESS ((uint32_t)0x08004000) To modify it, change the default value to the desired one. Note that the application must be linked relatively to the new address too. Following picture illustrates the situation in program memory: Figure 1. Flash memory usage Top Flash Memory address /-------------------------------------------\ 0x0803FFFF | | | | | | | | | | | Page 8 - Page 127 | | | | | | | | | | | | | | | | User code | |
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