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Extra SPI Clock Pulse on Initial Transfer

Posted on February 11, 2016 at 14:24 I am using an STM32L152 with the HAL library. I initialize the spi bus similar to the example code from STM32CubeMx. However, the very first spi transaction always has a wide extra clock pulse (see attachment...

ST-Link/V2-ISOL not connecting

Posted on February 08, 2016 at 22:47Hi, I am using STM32F10x controllers in a number of projects and have been programming these with ST-Link/V2 for a couple of years now with no issues at all. I just received a couple of ST-Link/V2-ISOL. These are ...

elmar by Associate II
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stm32 i2c communication

Posted on February 11, 2016 at 14:54I am new to the CPAL i2c library. Please help me make a code using this library to receive data from another microcontroller. ARM is supposed to run in SLAVE mode at 100kbps.  

I2C Peripheral issues with STM32F103C8

Posted on February 11, 2016 at 13:24Hi,Sorry if I've opened a discussion on an issue already solved...I've recently started a new project on a board with STM32F103C8 on it (the small cheap 40 pin board from ebay). I made the base project with CubeMX...

paul90g by Associate
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STM32F4 /F7 USB HS PHY max speed

Posted on February 10, 2016 at 11:29Hi, at the moment im using a STM32F3 as custom FS HID device to send 1000 64byte packets each second (64kb/s) to host pc. i would like to increase the speed so im wondering which speed i can get with the external...

Memcpy vs DMA

Posted on February 10, 2016 at 16:47hi, I'm using the STM32f407-discovery board example of DMA_FLASH_RAM.I've noticed by using systics for time measurements, that memcpy provides better timing than DMA.for example.I have 16bit array of 64 elements t...

haukeye by Associate II
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STM32F103x and MPU6050 I2C Issue

Posted on February 09, 2016 at 14:27I worked out on a library for UART debug and I2C basics to read write registers via I2C..problem now is I read the  FIFO but it turns out to be zero..Disabled sleep bit..Fifo Enable Register Set, User Control Regi...

strtod exception on STM32F746NG-Discovery

Posted on February 11, 2016 at 05:19I am using STMCube with an STM32F746NG-Discovery kit and the IAR tools.  I can build the samples with STMCube and run then but if I use strtod() then the application will crash in:_Stoflt + 0x113__iar_Stodx + 0x39...

brian2 by Associate II
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EEPROM emulation in STM32F4x family

Posted on July 29, 2014 at 08:32I have come across the following ST application note and sample.http://www.st.com/st-web-ui/static/active/en/resource/technical/document/application_note/CD00165693.pdfI guess this works for STM32F4x family too, am I ...

harinath by Associate III
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