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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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R

Posted on November 04, 2012 at 14:31  I think it's impossible. I suggest other solution : using external logic IC such as 7408 to create a logic expression (Button 1) AND (Button 2)AND....AND (Button n) and it's output connected to EXT0 pin. And in ...

mrhoang by Associate
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STM32F0 SPI2 with GPIOB AF partial work

Posted on November 03, 2012 at 12:38 Hi, I connect SD card to the stm32f0 discovery. I use the pin GPIOB pin 13, pin 14 , pin 15 use to alternate function. The configuration work partial, sck and the MOSI work but the program stop to run whe...

Simple GPIO interrupt is not working

Posted on November 02, 2012 at 23:24 Hello, I use this example code below to get an ISR from GPIO PA0. My hardware is the STM32L152 at board STM32L152D-EVAL. ( http://www.st.com/internet/evalboard/product/2517jsp) So I have only one ta...

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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STM32F3Discovery opamp benchmarking

Posted on November 02, 2012 at 19:31Hi, just thought I would share these results. I've tried to benchmark F30x opamp voltage and current noise density using F3Discovery with an external feedback network connected to a Tektronics MSO4054 oscilloscope...

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eexlb2 by Associate
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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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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
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