About julien239955_st

julien239955_st · 2015-07-27

Posted on July 27, 2015 at 10:25Hello all,I'm new in using STM32 microcontrollers.I have my own board with a STM32L051 microcontroller and I need to use the bootloader.I've a jumper to the BOTT0 pin to set to hight or low.I don't have change anythin...

julien239955_st · 2015-07-29

Posted on July 29, 2015 at 17:17I've try to do exactly what is done in the ST example (https://www.youtube.com/watch?v=cvKC-4tCRgw)And it's working !!So my cable, the bootloader and the Flash Loader Demonstrator are OK.May be the nBOOT1 bit is not w...

julien239955_st · 2015-07-29

Posted on July 29, 2015 at 15:11I've try to send the 0x7F command with RealTerm.I don't received the 0x79 acknowledge commande (or other..).To test if the bootloader is running or not, in my software I turn ON a LED.I've flashed the STM32L051 using ...

julien239955_st · 2015-07-27

Posted on July 27, 2015 at 13:54Hi clive1,Yes, my board is functional, I can upload code with SWD.The USART is also functioning, I'm using it in my software, with a cable FTDI TTL-232-3V3.The NRST is connected to the alimentation by a 10K resistor.T...

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