About mlakata

mlakata · 2013-08-27

Posted on August 27, 2013 at 20:48I need a reliably method of overwriting flash memory on a STM32L device (STM32L152CB). On the other STM32F series, this was easy, as I could write zeros on top of previously written flash memory contents reliably. T...

mlakata · 2013-08-28

Posted on August 28, 2013 at 19:11Erik, What I would like to implement is#if STM32FUNUSED = 0xFFFFUSED = 0xsomethingINVALID = 0x0000#elif STM32L UNUSED = 0x00000000 USED = 0xsomething INVALID = 0xFFFFFFFF#else#error Not supported#endifThis does not...

mlakata · 2013-08-28

Posted on August 28, 2013 at 19:04Two ideas (both of which have happened to me)1. Check that you have good decoupling on your power rails and that there isn't a stray source of RF that is coupling into the I2C lines. The additional ground from the J...

mlakata · 2013-08-27

Posted on August 27, 2013 at 23:58Hi Erik, I think you missed my original point. I understand how flash memory works and how boolean logic works.My original point was that this does not work on the STM32L because of a hardware issue.What I am loo...

mlakata · 2013-08-27

Posted on August 27, 2013 at 22:59I am porting a file journaling mechanism that worked fine on many different STM32F micros. A file block has a status field that was 0xFFFF if unused, 0xsomething if used and 0x0000 if no longer used (marked for garb...

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Overwriting written flash memory with 0xFFFFFFFF on STM32L

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Re: STM32 I2C wont work without debugger

Re: Overwriting written flash memory with 0xFFFFFFFF on STM32L

Re: Overwriting written flash memory with 0xFFFFFFFF on STM32L