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STemWin LCDConf.c Errors

Posted on February 11, 2018 at 22:27Hi there, im trying to work on some UI for the stm32f429i with StemWin. I set up everything with this tutorial http://slemi.info/2017/07/01/stemwin-touch-screen-stm32f746g-dicovery-part-2/Everything's okey but in ...

Poly-phase PWM

Posted on February 11, 2018 at 12:36I'm need to generate N channel (N>1) PWM output in a such a way that one channel is main 'governor' lets say ch0. Every other channel repeats the same duty, but with time shift (or or phase shift). Ch1 need to set...

Toggling GPIOs on STM32F205RGT6

Posted on February 07, 2018 at 04:36Hi,We designed a new PCB for the STM32F205RGT6, but we�re having trouble toggling GPIOs using the chip.We wrote a simple program that toggles a GPIO every 250ms, we confirmed that the code works on the http://www....

Software Nss and Hardware Nss in SPI

Posted on February 11, 2018 at 19:03What is Software NSS and Hardware NSS in SPI? Which Nss mode should we select?Do we need to connect the NSS pin (between master and slave) in Software mode?I read the NSS pin management in Reference manual, but I ...

Resolved! USART1 doesn't work

Posted on February 11, 2018 at 15:00Hello everyone. I have encountered problem with USART1 on STM32F446RE. It seems it doesn't work for me. I have used multiple times USART2 and it works as it should, but USART1 with same configurations just refuse ...

Understanding SDRAM Better?

Posted on February 11, 2018 at 08:07Hi, I'm interested in better understanding how SDRAM works with the on the STM32F4 Discovery development boards.  For example, I have an STM32F429-Discovery.  It has 64-Mbit SDRAM on the board.I've closely examine...

Resolved! Resetable DMA for predefind amount of transfers

Posted on February 10, 2018 at 20:49 Hey everyone, I've got a small issue. I've got a Dma that fills a buffer(Double buffer so 2 actually) with data at every rising clock edge. I only want this clock to trigger the DMA 192 times until a reset s...

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Calculate the Baudrate in SPI?

Posted on February 10, 2018 at 19:56How do I calculate the SPI baudrate in nucleo STM32F103RB?In reference manual it says, Bits 5:3 BR[2:0]: Baud rate control000: fPCLK/2001: fPCLK/4010: fPCLK/8011: fPCLK/16100: fPCLK/32101: fPCLK/64110: fPCLK/12811...