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Posted on January 22, 2014 at 13:16Dear All, I had a workign VCP example on STM32F4Discovery board until some recent changes to my own code (the USB and standard peripheral libraries are not changed). I use EmBlocks 1.42 IDE for compilation/debuggi...
Posted on January 19, 2014 at 19:50Hello all,I have written a function to configure the DMA for use with one of the USARTs for TX, which works when I trigger it using DMA_Cmd() function. As with the usual USART DMA configurations, all it does is tra...
Posted on January 23, 2014 at 18:40Hi, All EXTI-External interrupts on STM32Fxx and other STM32 devices implemented by STM are EDGE triggered interrupts. The ARM core however supports Level, Pulse and Edge triggered interrupts. STM32Fxx Tech.Ref.M...
Posted on January 23, 2014 at 16:44Hi,In my application I would like to use all three SPI interfaces of the STM32F405RG at the same time, with DMA. I noticed that SPI2 and SPI3 are both assigned to DMA1 Channel 0, but different streams. Does this me...
Posted on December 27, 2013 at 11:39Hello,I am using the STM32W-RFCKIT (MB950 and MB951) to create some prototypes. I've tried both Simple MAC sample applications (sun & planets, talk) version 2.0.1 and Contiki (2.5, 2.6, 2.7). In all of these, ever...
Posted on January 23, 2014 at 14:24Hello,in RM008 Rev. 14 at Section 21.5.2 -''Supported memories and transactions'' - it is written (in table 108) that memory data size is always 16 bit - can we write single byte from 8 bit BUS without effecting t...
Posted on January 22, 2014 at 16:25Hi all, I use matlab to generate c code and have this code compile in IAR for STM32F4 as a library. So I have no ST libraries added just the c code and h files from matlab. Matlab uses sqrt, sin functions etc. decl...
Posted on January 22, 2014 at 20:26Hi, I've been using an audio codec with the STM32F407 Discovery. Data is transferred using I2S, with the STM32F407 as master. It generates an MCLK signal at a frequency of 256*fs, i.e at 2.048 MHz for 8 kHz samplin...
Posted on January 22, 2014 at 12:34Hi,I have seen mentioned in the forum that ST have provided use of their Vendor ID, with a unique Product ID to people using their processors.I would like to ask how I could obtain a unique product ID for our compa...
Posted on January 14, 2014 at 15:35Hey Guys, I have some question about the SPI Multi-Master mode with the STM32F050. What I want to do is shown in the Picture. I have two Boards connected over a plug. When they are pluged together, the MCU is the S...
