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Forum Posts

LIS3DH g-sensor read byte problem

Posted on November 06, 2012 at 13:35hi all, i am working on LIS3DH acc. with stm32f100c8.i read WHO AM I byte(0x33) but i cannot read z axis value(2Dh)..please any suggestions? here is my read one byte funct.slaveAddress 0x32ReadAddr 0x2D //z axis v...

Timer output toggle issue

Posted on October 25, 2011 at 20:02Hi all,I have a strange problem using Timer1 in Output Toggle mode. My objective is to generate square waves of different frequencies using the same timer. I've based my code on the 'TIM_OCToggle' example in the St...

need some project advice :)

Posted on October 07, 2012 at 14:21Hello :)I have a little project using a stm32f4 which receives usb data from the pc using the cdc classes (2048bytes @ 60fps) and then draws them to a Plasma dot matrix display.I have it all working ok :) The probl...

russdx by Associate II
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  • 13 replies
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STM32F2xx and STM32F4xx Demonstration Builder Compile

Posted on November 02, 2012 at 18:18I am having difficulty compiling the Demonstration Builder example code.  I am using MDK-ARM (Keil) with the 256k license but the code is 265k when linked.  I read the app note to disable modules but when I tried ...

wmoyne by Associate II
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  • 3 replies
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Interrupt priority clarification

Posted on November 02, 2012 at 14:51Hello guys, I have been messing with interrupts recently and I have hard time to find in the manuals how the priorities actually work. I have seen the priority groups and priority values. If I understood it proper...

longchair by Associate III
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  • 1 replies
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STM32VL Discovery and I2C Accelerometer

Posted on November 02, 2012 at 07:54I need some help setting up I2C connection to LIS302DL or a generic I2C accelerometer. I need some code examples to get the accelerometer working. Thanks in advance.

peppea82 by Associate II
  • 614 Views
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STM32F4xx peripheral to memory max rate

Posted on November 01, 2012 at 18:35I have a peripheral bursting 8-bit parallel data at 56MHz gated by a data valid signal. Can the STM32F4xx support peripheral to memory dma at this rate? What is the max rate the STM32F4 can handle dma requests? ...

denny23 by Associate
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  • 2 replies
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STM32F4Discovery and extra PHY

Posted on November 01, 2012 at 20:17Hello, I am trying to attach external PHY chip to my STM32F4Discovery board. I am using the 'stm32f4x7_eth_lwip' example from the ST site. I think for people that have the bigger evaluation board with already sold...

M0NKA by Senior
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StdPeriphLib Question

Posted on November 01, 2012 at 17:29So does the whole family of STM32M0-STM32M4 have their own StdPeriphDriver offering?  Under the advisement of my hardware guide, I am trying to test out the Freescale Freedom board after I have developed on the ST...

wbarkley by Associate II
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Bus Fault occured randomly during normal operation

Posted on November 01, 2012 at 07:44Dear all, MCU we are using is STM32 F103CBT6, on a motor driver application. Wehave encountered a strange phenomenon that Bus Fault occurred randomly duringnormal operation, and the fault message shows that the PC...

edison72 by Associate
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  • 1 replies
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