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STM32 - discovery : ADC reference Voltage ?

Posted on May 20, 2014 at 16:46Hello,I am trying to get the reference voltage value with ADC (Channel 18).On the VCT6 datasheet, it is said that reference calibration values (for VREF) are stored in memory at the address 0x1FFFF7BA. (Value for VREF ...

thomas23 by Associate II
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STM32CubeMX Stm32F4discovery configuration

Posted on May 18, 2014 at 11:28Hello,when generating a project with STM32CubeMX for a STM32F4discovery board, the PD12 to PD15 pins are configured output (for the LEDs) automatically. But the project is not entirely configured. I had to manually set...

atsju2 by Associate II
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  • 1 replies
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STM32F4xx alternate configuration SPI1 issues

Posted on May 19, 2014 at 14:04Hello Everyone,I was just wondering if anyone has seen this, I have seen this only referenced on one website.  I have SPI1 on a STM32F415 configured as   PA7   ------> SPI1_MOSI  PB3   ------> SPI1_SCK  PB4   ------> S...

gvigelet2 by Associate II
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  • 14 replies
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SPI Rx via DMA... SCLK generation?

Posted on May 19, 2014 at 21:41I'm wanting to update a product that has a SPI device on the same channel as the UART.  Currently the SPI device uses DMA - it sends 1 byte and receives a packet of info.  On the UART we only send data.I would like to ...

mreed by Associate III
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  • 4 replies
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STMicroelectronics Virtual COM Port problem send big data

Posted on May 19, 2014 at 22:52Hi I made VCP from ST sample on ST32F405 (STM32_USB-Host-Device_Lib_V2.1.0 & DriverVer=04/25/2010,1.3.1) When I send data from CPU to PC less than 64 byte, all work fine. I have 2 problems: 1) When I try send data from...

jsi by Associate II
  • 687 Views
  • 3 replies
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F030 USART half dupliex

Posted on May 09, 2014 at 14:40The original post was too long to process during our migration. Please click on the attachment to read the original post.

sanjib by Associate III
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  • 26 replies
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USB vcp reset problem

Posted on May 15, 2014 at 16:58Hi, I am using USB HS port in the FS mode in my vcp project. When I used it to communicate to  PC, it works ok if I re-plug in the device to PC. The problem is if I just reset the MCU from IDE debug, the device cannot ...

kqian by Associate II
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  • 7 replies
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DMA with read strobe but without write strobe

Posted on May 19, 2014 at 03:47Hi AllSTM32F2xx:I assume this is not possible but....Can a DMA transaction have the read strobe only without the write strobe (ie half the transaction)?The reason is due to our project having an FPGA being mapped onto ...