![]() ![]() Pages 0-3 (for low- and medium-density devices), or pages 0-1 (for high-density and connectivity line devices) are automatically write-protected.Main Flash memory read access is not allowed except for the user code (when booting from main Flash memory itself with the debug mode not active).Once the protection byte has been programmed: Note: If the read protection is set while the debugger is still connected through JTAG/SWD, apply a POR (power-on reset) instead of a system reset (without debugger connection). The read protection is activated by setting the RDP option byte and then, by applying a system reset to reload the new RDP option byte. Microcontrollers, FPGA & Single Board Computers.A la Carte(ALC) Custom PCB Design Services.How to get Technical Assistance from a Technical Support Moderator.When I flash, I get this message:Įrror starting target flash write algorithmĮrror writing to flash at address 0x08000000 at offset 0x00000000Ĭan someone please provide some guidance? I guessing those are clues, but I don't know for sure. I keep seeing messages saying "Device Security Bit Set" and "stm32x device protected". XPSR: 0x01000000 pc: 0xfffffffe msp: 0xfffffffc Target halted due to debug-request, current mode: Thread Next, I telnet to the server and run the following commands:Ĭleared protection for sectors 0 through 67 on flash bank 0 Openocd -f interface/stlink-v2.cfg -f target/stm32f4x_stlink.cfg I can't seem to get the right combination of commands to unlock the device. ![]() I've been trying all day to flash my stm32f4discovery using the OpenOCD cmd line on windows. ![]()
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