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diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Write_Protection/readme.txt b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Write_Protection/readme.txt new file mode 100644 index 0000000..0d0d2a5 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Write_Protection/readme.txt @@ -0,0 +1,101 @@ +/** + @page FLASH_Write_Protection FLASH Write Protection example + + @verbatim + ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* + * @file FLASH/Write_Protection/readme.txt + * @author MCD Application Team + * @version V3.5.0 + * @date 08-April-2011 + * @brief Description of the FLASH Write Protection example. + ****************************************************************************** + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + ****************************************************************************** + @endverbatim + +@par Example Description + +This example provides a description of how to enable and disable the write protection +for the STM32F10x FLASH: + +- Enable Write protection: + To enable the Write Protection, uncomment the line "#define WRITE_PROTECTION_ENABLE" + in main.c file. + To protect a set of pages, the user has to call the function FLASH_EraseOptionBytes + to erase all the option bytes then to call the function FLASH_EnableWriteProtection. + The parameter of the later function will define the number of pages to be protected + (The desired pages and already protected pages). + To load the new option byte values, a system Reset is necessary, for this, the + function NVIC_SystemReset() is used. + +- Disable Write protection: + To disable the Write Protection, uncomment the line "#define WRITE_PROTECTION_DISABLE" + in main.c file. + To disable the write protection of the STM32F10x Flash, an erase of the Option + Bytes is necessary by the function FLASH_EraseOptionBytes, then call the function + FLASH_EnableWriteProtection to protect the pags that are already protected. + To load the new option byte values, a system Reset is necessary, for this, the + function NVIC_SystemReset() is used. + +- Program the selected pages: + To program the desired pages (if the flash is not write protected) uncomment the line + "#define FLASH_PAGE_PROGRAM" in main.c file. + +If the desired pages are not write protected, an erase and a write operation are +performed. + + +@par Directory contents + + - FLASH/Write_Protection/stm32f10x_conf.h Library Configuration file + - FLASH/Write_Protection/stm32f10x_it.h Interrupt handlers header file + - FLASH/Write_Protection/stm32f10x_it.c Interrupt handlers + - FLASH/Write_Protection/main.c Main program + - FLASH/Write_Protection/system_stm32f10x.c STM32F10x system source file + +@par Hardware and Software environment + + - This example runs on STM32F10x Connectivity line, High-Density, Medium-Density, + High-Density Value line, XL-Density, Medium-Density Value line, Low-Density + and Low-Density Value line Devices. + + - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density + Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL + (Connectivity line), STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL + (Medium-Density) evaluation boards 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 : + - Copy all source files from this example folder to the template folder under + Project\STM32F10x_StdPeriph_Template + - Open your preferred toolchain + - Rebuild all files and load your image into target memory + - Run the example + +@note + - Low-density Value line devices are STM32F100xx microcontrollers where the + Flash memory density ranges between 16 and 32 Kbytes. + - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx + microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. + - Medium-density Value line devices are STM32F100xx microcontrollers where + the Flash memory density ranges between 64 and 128 Kbytes. + - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx + microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. + - High-density Value line devices are STM32F100xx microcontrollers where + the Flash memory density ranges between 256 and 512 Kbytes. + - High-density devices are STM32F101xx and STM32F103xx microcontrollers where + the Flash memory density ranges between 256 and 512 Kbytes. + - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where + the Flash memory density ranges between 512 and 1024 Kbytes. + - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers. + + * <h3><center>© COPYRIGHT 2011 STMicroelectronics</center></h3> + */ |