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CC2564MODN: SPPDemo and SPPLEDemo stack won't start on console

Part Number: CC2564MODN

Hello guys,

I'm programing a STM32DiscoveryF4 with the API "CC256x STM32 Bluetopia SDK v4.2.1.0" which TI brings, but I can't initializate the stack on console when I've programmed the board, via Keil v5.24a.

I've my TTL-USB adapter connected to the USART 2 pins PA2 (TX) and PA3 (RX) and to the ground pin. And I've make all the changes that have to be done in order to work with the DiscoveryF4 and also configure the COM port on the device manager (112500, 8, n, 1)

The SPPDemo that is on "CC256x STM32 Bluetopia SDK v4.0.2.2" WORKS on my PC via the COM port. But the SPPLEDemo don't work as the other two.

When the board is flashed, I open the COM port, reset the board and just appear:

"OpenSt"

If anyone had this problem and know how to resolve it please let mw know ASAP. I'm working on my final degree project.

Regards and thank you!!

Juanjo