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Forum Posts

DMA updation for the second time

Posted on November 21, 2014 at 15:55Hi all Here the scenerio is DMA updating the timer and timer update trigerring the DAC At the starting of the program DAC_buffersize is 158 ..that is ok I am able to see the DAC_OUT increment in the scope . but wh...

sanjib by Associate III
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VPC on STM32f105

Posted on November 26, 2014 at 11:44Hi,I'm working on hardware with a stm32f105. It has the USART1 connected to the usb port, and I need to create a VCP to send and receive data from a PC. Is there any example that can help me? Can anyone tell me ho...

jdieguez by Associate
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STM32 SPI DMA for External SPI DAC

Posted on January 25, 2014 at 21:34Hi, I am trying to sample some data using DMA and the internal ADC and send the same data , still using DMA to an external DAC using the SPI Internface, through an optoisolation barrier. It all works great, I need ...

fabio1 by Associate II
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Self test library?

Posted on November 25, 2014 at 16:58Hi,I need to have the STL (Self Test Library) to make a certain project IEC 60730 and 60335 compliant, but as of yet I have not found the library. My reference is AN4435. Does anyone know how I can get this for th...

bakkermn by Associate
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CPAL code in open source projects

Posted on November 26, 2014 at 00:47Can anyone confirm whether CPAL code can be used in open source projects. I'm working on a port so that STM32F103 can be used with the Arduino 1.5.x environment. I'd like to use some code from the CPAL library, Fo...

freeRTOS CMSIS_OS to WIN32 simulator port

Posted on November 21, 2014 at 06:04Hi AllI am using the freeRTOS WIN32 simulator to code most of my OS-dependent functions, but the target is STM32F4 (it is a lot easier debugging early code using VS)I am using CMSIS for the STM , but I must use th...

Wrong BRR calculated by STM32CubeMx for STM32L053

Posted on October 17, 2014 at 09:36I am using the STM32CubeMx version 4.3.1 and inside the clock configuration page, the PCLK2 is used for USART1CLK. It shows 2.097. However, in HAL_RCC_GetPCLK2Freq function, the return value was 2.000. This caused ...

jephua by Associate II
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FSMC CLK Freq?

Posted on November 23, 2014 at 17:39STM32F407 datasheet says max fsmc clk = 60MhzFSMC_CLKDivision = 2; // 168/2 = 84MhzFSMC_CLKDivision = 3; // 168/3 = 56MhzSo what is CLKDivision for 60MHz? ?? #fsmc-clk

mrjaner by Associate II
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