I have a STM32WB55 custom board where I put the Read out Protection to level 1. I would like to change it back to level 0 as in this level, I am unable to program the PCB. I have tried using the ST LINK utility and the STM32Prog to change it back to level 0 but to no avail
Could not set Option bytes! Please reset the target and retry. Can not read memory! Disable Read Out Protection and retry.
STM32 Prog :
Error: Expected value for Option Byte "RDP": 0xAA, found: 0xFF Error: Option Byte Programming failed
From what I read online if my version of STLINK utility is higher than 4.0 it will work but it is not the case. Boot0 is at high and I have try reseting it but to no avail as well. Any ideas on how I can change it back?