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Forum Posts

ITM_SendChar blocks when no debugger attached?

Posted on August 23, 2013 at 09:39I think ITM_SendChar is freezing my code when I don't have a debugger attachedWhen I do have an debugger attached, it works, and I can see my messagesBut when I don't, then the code doesn't get past the printingBut ...

STM32F10x + EVAL L6470 for stepping motors

Posted on February 07, 2013 at 06:15Hi guys !I'm just about to order but wanted to make sure first. I'm trying to get four stepping motors (bipolar) in daisy chain. I want to use the chain as it is said in AN3991 with the difference that I'll be use...

STM3210E-EVAL + SDIO

Posted on August 23, 2013 at 11:16Good day,Have anybody make it work? I tried the example from:...\STM32F10x_StdPeriph_Lib_V3.5.0\Project\STM32F10x_StdPeriph_Examples\SDIO\uSDCardBut it does not work. I mean reading, writing functions.. I could only...

hitsumen by Associate II
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Overdriving LSI oscillator by external oscillator

Posted on August 23, 2013 at 15:06Hi everyone,I overdrive the low-speed internal oscillator by external source with a small offset and small swing.Where can I find parameters for external clock(without bypassing LSI osc)?Thanks.Eugene #lsi #oscil...

st2399 by Associate
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Detecting USB reset after USB suspend

Posted on November 19, 2012 at 00:15I'm using an f405 with USB and want to make the device compliant with USB specifications. Using the HID joystick mouse project from the ST USB library as an example, the chip successfully goes to sleep on USB susp...

jkuek by Associate II
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  • 4 replies
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stm32f4 Signal generation

Posted on August 22, 2013 at 11:12hello i tried the DAC_SignalsGeneration st exemple and i hear nothing , my clock config and all are so fine, so  anyone could give me a simple working code to hear any signal ? and thnx :)

DMA and Concurrency Concepts

Posted on August 22, 2013 at 18:12I'm new to ARM and have been doing a lot of work/research on DMA on the STM32F4 Discovery board.  I have multiple DMA streams working correctly for SPI to an OLED and some LED controllers but I have a fundamental qu...

craig by Associate II
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Interrupt with F3-Discovery

Posted on August 22, 2013 at 21:40Hello guys,Im new to the ST-Family and i have a question about interrupting with a button.I wanted to make the button on the board as a hardware interrupt, which would trigger some LED-Blinking.However doesnt work a...