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STM32F103RC I2C Nightmare - Help!

Posted on February 11, 2016 at 21:40I have been trying for way too long to get this peripheral to behave the way I want it to.  I'm trying to implement a driver that makes use of interrupts and DMA so as not to block.  While much about this device i...

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clark2 by Associate II
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  • 6 replies
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Compiler optimization options

Posted on February 10, 2016 at 17:21I am using Embitz as IDE and a NucleoL152 as development platform.I tried this thing. An array of integers of 1024 elements (from 0 to 1023) was copied to two different arrays, one using CPU memory transfer and th...

STM34F411-Nucleo USART stop TX interrupt advice

Posted on February 10, 2016 at 10:11 Hi, I'm trying to get comms between USART1 and USART6 working. I can send from USART1 to USART6 using interrupts and it works. What I am trying to do now is control the sending interrupt, but I think I...

dman by Associate II
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  • 12 replies
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STM32F429-Discovery, SPI problem

Posted on February 11, 2016 at 10:06 Hi. I need SPI to connect a radiomodule NRF24L I'm using STM32F429-discovery. According to the UM1670 pins PE2 trhough PE6 are free (nothing is connected to them). PE2 can be used as SPI4-SCK, PE5 – SPI4-MI...

baev_al by Associate III
  • 757 Views
  • 4 replies
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Flash loader demonstrator not working on stm32429I-Eval

Posted on February 11, 2016 at 20:21Hello,I am trying to flash my stm32429I-Eval via RS-232 using Flash Loader Demonstrator (v2.8). I set SW1 & SW2 high (BOOT0/BOOT1), and reset the board. Run the demo GUI with default settings (baud=115.2k, Parity=...

richards by Associate
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  • 0 replies
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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
  • 1700 Views
  • 7 replies
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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...