Hi, Trying to turn on RDP just before I get a product out to market. Can unlock and erase Option RDP bits to 0xFFFF but cannot seem to write the option bit to set RDP byte to 0x00FF. This leaves the devices bricked on the next reboot. Can't era...
Hello, I have hundred of boards where I need to update our custom bootloader which resides in blocks 0/1/2/3/4 (the bootloader "partition" is 5KB). The new bootloader code resides inside the firmware binary, when the firmware boots, it checks if the ...
HiI've implemented a bootloader that receives, cache and upgrades my main program.When RDP (read out protection) is not enabled everything works as expected with no problem.If I enable RDP. And if I upload the same program as the one already on the c...
Hello,I need to know how to calculate CRC-8 of input data.I have a binary stream like (12586966 Dec or 0XC00FD6) and CRC-8(22 DEC, 0x16). Based on 0x97 polynomial how I can calculate my input binary stream CRC-8?Thanks
Can anyone help me with this,I have attached the code below.Thanks in Advance
I am use this code for write page with disabling WRP:FLASH_Unlock(); if( FLASH->WRPR != 0xFFFFFFFF ) //WRP is active for any pages { FLASH_EraseOptionBytes(); NVIC_SystemReset(); //according to the manual } if( FLASH_ErasePage( address ) != FLAS...
hi, im trying to enable the readout protection and successful in doing so but my application doesn't seem to run after its enabled,after entering this function system reset occurs and my user application doesn't seem to run.HAL_FLASH_OB_Launch ()
Posted on May 10, 2018 at 00:37Hi, people!how can i reset Read Out Protection on F103 series WITHOUT Power-off and reset??HAL_FLASH_ob_launch --> it is reset (and hold MCU).1. I set the LEVEL from 1 to 0 in subprogramm. All ok. Flash erased, all FF....
Posted on January 10, 2018 at 14:51 Hi there, I wrote a serial protocol to exchange data between MCU and a PC. This protocol provides a checksum to verify data integrity. At the moment I use a simple sum of each byte but I think that the...
Posted on February 10, 2014 at 17:32Hello,I'm currently implementing AES CMAC crypto using the STM32 crypto library from ST and I'm unable to get the example code to work without returning an error. I'm using an STM32F103.The example encrypt routin...