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STM32F400 and CS42L52 audio codec

Posted on April 16, 2013 at 13:09Hi! I have a big problem and need a lot of help. First of all I will try to explain the global situation and after that I will ask you for some questions. I am working in a project. I have to make a full-duplex audio...

rafael23 by Associate II
  • 3819 Views
  • 15 replies
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RS485 modbus Communication

Posted on March 25, 2013 at 13:01i am using the stm32f107rc  controller for rs485 communication. i am trying to transmit a set of data through usart1 from the controller, but some byte of data are missing at the destination so pls let known where i ...

aru by Associate II
  • 2425 Views
  • 5 replies
  • 0 kudos

eclipse+gcc+openocd+FreeRTOS

Posted on April 18, 2013 at 13:38Hello, Am using eclipse+gcc+openocd+FreeRTOS to setup an open Development Environment  for complex STM32 based embedded application.  I'm very new to building with GCC in general and I have never used FreeRTOS, but I...

Common Ext IT 15_9, Two Interrupts allways occur

Posted on April 30, 2013 at 08:37Hi together, I�ve got a problem which I just can not fix... I can�t figure out what is wrong. It would be very kind to help me out. It�s all about Interrupts. I want to use 3 external Interrupts comming from the Hard...

a_ by Associate II
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  • 4 replies
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STM32F105 CAN bus baud rate

Posted on May 05, 2013 at 10:24Hi, I am currently working on a project that require to monitor the CAN bus for specific data and once it received the data it will process and store on to flash memory. The data come in high volume bursts. One of the...

Measuring a sinewave

Posted on May 03, 2013 at 11:19Hello everyone, I am trying to measure a sinusoid signal via ADC. I used timer's trigger to obtain different samples. But i don't know how i can synchronize the trigger's time with the frecuency of the signal, to obtai...

montoya by Associate
  • 639 Views
  • 2 replies
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STM32F407 clock problem? on production boards.

Posted on May 02, 2013 at 23:24HelloI have a production board that I have currently produced 200 Units, the board uses a STM32F407VET6 and all 200 units work great!I have just had another batch made up. I have tested 3 so far and 2 have died after 5...

russdx by Associate II
  • 4597 Views
  • 25 replies
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What is ''non-optimized die'' ?

Posted on February 05, 2013 at 17:39Hi all, I'm looking for buying an 500 x STM32F050K4U6 for production. I noticed that some parts have a ''A'' at the end of the part number ( STM32F050K4U6A ), so I looked at the datasheet, on the ''part numbering ...

Kuikui by Associate III
  • 735 Views
  • 3 replies
  • 0 kudos