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I2C problem: random error when I2C1 communicates

Posted on July 30, 2014 at 17:17 Hello everybody, I have a problem when I try to communicate with I2C1 (on STM32F4DISCOVERY) and a touch panel controller (Azoteq IQS550). First I have to say that I use I2C1 on the demoboard DISCOVE...

HAL libraries don't compile in KEIL using CPP

Posted on July 21, 2014 at 19:25Hello all, I wanted to use the HAL libraries for a project in KEIL. But when I add the --CPP flag to support CPP compiling I get a ton of errors, all of them are the following: ..\..\..\..\..\..\Drivers\STM32F4xx_HAL_...

riktw by • Associate
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  • 1 replies
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SDRAM Read operation bug when using HAL libraries.

Posted on July 16, 2014 at 20:12Hello All, I was trying to write and read data from SDRAM on the STM32f429- Discovery board.I was able to write data to the SDRAM but the read operation was not working.I used the STM32Cube Mx utility to generate the ...

STM32F407 USART1 Reception: glitch/noise issue

Posted on July 31, 2014 at 00:05 Hello! Setup:2 custom boards (1 that's similar to the Discovery F4 and one that's based on a PSoC 5LP) linked by RS-485 (SN65HVD75 transceivers, half duplex, single twisted pair). Data flow: the STM...

jfduval by • Associate
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  • 1 replies
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Porting USB example project to specific MCU

Posted on July 28, 2014 at 16:12Hello,I'd like to use an USB example project on a different (but very similar) microcontroller on a custom board.The example project: STM32 USB FS Device Library V4.0.0 --> VirtualComport_Loopback project --> STM3210B...

tpphysik by • Associate II
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  • 3 replies
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unlocking Data EEPROM on STM32L1xx

Posted on July 30, 2014 at 10:35Hi, to unlock data EEPROM on STM32 I need to write a sequence of two values to the FLASH_PEKEYR. Any failure in the sequence will permanently lock the EEPROM. Now there are some questions: - Do I need to disable inter...

mmensch by • Associate II
  • 527 Views
  • 1 replies
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Flash Programming

Posted on July 29, 2014 at 21:40Hi, I am using STM32F103R8T6.I normally perform the in-circuit programming using the STMFlashLoader.exeSometimes I need to erase and program some pages performing an In-Application programming. I use the library funct...

sirpak by • Associate II
  • 554 Views
  • 3 replies
  • 0 kudos

time management stm32l discovery

Posted on July 29, 2014 at 18:45Hi I am working fora project withthestm32ldiscoverybutI have a problem:the Delay functionthatI implementedin my programis not working void Delay(uint32_t nTime) { TimingDelay = nTime; while (TimingDelay != 0); }void T...

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