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TSL on STM32l Discovery

Posted on March 02, 2012 at 07:58GDay to all 1) what is the minimum frequency for calls to TSL_Action() to keep the TSL responsive? the spec only says ''periodically''. Is every 100 ms enough ? 2) what CPU-usage can we expect (at 32MHz) for the TSL ...

analox by • Associate
  • 938 Views
  • 3 replies
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Touch configuring in microxplorer

Posted on April 17, 2012 at 11:18If I try to configure the TS module on a STM32L151 all TS pin will appear green and blocked for other use. I like to configure only 4 pins for touch. This seems to be not possible with this tool or is there a trick?R...

raig by • Associate
  • 536 Views
  • 1 replies
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STM32F4DISCOVERY : Cannot connect to the MCU device

Posted on April 16, 2012 at 13:18Hello, I just bought an STM32F4 discovery board. I installed the USB drivers (ST-LINK/V2 USB driver for Windows 7, Vista and XP) and the STM32 ST-LINK utility programmer.  As a first step I would like to connect the ...

nedelec by • Associate II
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  • 10 replies
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New STM32 MicroXplorer v2.0

Posted on February 20, 2012 at 00:24The new STM32 MicroXplorer v2.0 is now ready for download, per an automated email that I received from ST.  The web page says v1.1, but after downloading, the contents says v2.0 and I verified after I installed it...

sbmeirow by • Associate II
  • 767 Views
  • 1 replies
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STM3220G-EVAL ADC noise comes from USB OTG PHY

Posted on April 25, 2012 at 09:01Hello,I have been doing some measurements with the STM3220G eval board using the piece of software at : ./STM32F2xx_StdPeriph_Lib_V1.0.0\Project\STM32F2xx_StdPeriph_Examples\ADC\ADC3_DMAThe ADC reading of the potenti...

EEPROM Emulation

Posted on April 22, 2012 at 00:24The EEPROM emulation demo uses Flash pages 2 and 3 (16 Kbyte pages).  Flash pages 0 and 1 are also 16 Kbyte pages. WHat happens when your program is longer than 32 K?  Is the linker smart enough to skip Flash pages 2...

jihlein by • Associate II
  • 1369 Views
  • 7 replies
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Problem with USATT, cant receive anything from X-CTU

Posted on April 24, 2012 at 15:57Recently migrate from 8bit MCU to 32bit STM32, I like the FW library, but there is a learning curve required. So I am trying to do a printf with USART, after i compiled the program, i cant receive anything. At this p...

DMA based SPI communication with NSS

Posted on March 06, 2012 at 13:40Hello, while studying the STM32F4xx datasheet i found the following passage:25.3.1: ''The NSS signal is driven low when the master starts the communication and is kept low until the SPI is disabled.''  This leads me ...

mstuehn by • Associate
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  • 3 replies
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STM3210C - Clock Frequency Irregularites

Posted on April 16, 2012 at 22:16Hi all, I am currently using the STM3210C evaluation board and have discovered something which is puzzling, and has to do with the clock frequencies.  I am currently using Atollic to program the board and have initia...

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