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Forum Posts

[STM32F072] USART2 and USART4 does not work

Posted on April 10, 2014 at 13:50Hello all, I'm recently bought an STM32F072B-DISCO board (based on the STM32F072RBT6) and I'm currently testing it. I'm really surprised to see that some USARTs doesn't work properly ; as mentioned in the errata shee...

louis2 by Associate
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  • 3 replies
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STM32F205RBT6 - usart1 baud rate 1200

Posted on April 10, 2014 at 14:34I am running STM205RBT6 on 120 Mhz & fpclk = 60Mhz for usart 1.I need to run usart1 on 1200 baud rate.For that I have calculate value of BRR = 0xC350.Is it right??

Data Align Packed Struct

Posted on April 10, 2014 at 14:18I need to be sure that a struct I use has 32-bit alignment. My IDE (IAR) gives a preprocessor directive for this, which I am trying to use. However, the compiler keeps giving me warnings saying that I can't use this ...

jvavra by Associate III
  • 746 Views
  • 1 replies
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IAR Embedded WorkBench IDE for STM32L

Posted on July 18, 2013 at 08:28All,My question is related to IAR Embedded WorkBench IDE 6.50 for STM32L. I think somebody using the IDE can help me to solve the issue or else can direct me to a better place in which I can find Support regarding the...

STM32F2xx HS USB MSD fault on cards over 4GB

Posted on April 09, 2014 at 14:49I have taken the code from the stm3220G - eval board and change the HSE setting to match my hardware. I have also configured the HS port to us the embedded phy. the storage media is a SD card driven via the SDIOThis ...

dcurran2 by Associate II
  • 925 Views
  • 5 replies
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STM32Cube FW USB_Device MSC

Posted on March 27, 2014 at 11:18hi, I have a problem with Application from STM32Cube_FW_F4_V1.1.0. It´s the USB_Device -> MSC_Standalone application. When I build the files with Coocox and download it on my STM3240G-Evalboard, the USB-Device will b...

Switching pin between ADC and General IO

Posted on April 09, 2014 at 18:53Hi All,What I would like to do is when I receive a CAN bus message with data equal to ''12'' I will configure GPIOB Pin 0 to an Analog input, and when the data is 11 it will be reconfigured to an General purpose I/O....

ebommer by Associate II
  • 870 Views
  • 6 replies
  • 0 kudos

STM Touch and low power

Posted on April 09, 2014 at 18:24Hello everybody,I am developing a touch remote controller using STM32L151CB. The device uses 7 touchkeys but in order to reduce power consumption i would like to enable the acquisition of only one touchkey during low...

mirko by Associate
  • 392 Views
  • 0 replies
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STM32F407-Discovery, VBUS/PA9 and SPI-Slave

Posted on April 09, 2014 at 16:00I am using SPI2 as a slave with the help of DMA for fetching a stream with 16byte-burst of data. To test my application i have been looping many GB of data without any bit error so i am confident that my application ...

mats by Associate
  • 518 Views
  • 1 replies
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