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Forum Posts

DMA starting and stoping

Posted on July 01, 2016 at 18:20Hi I use DMA for transferring data from ADC to ADCConverted[300] . I stop DMA somewhere in my program and get the position of the current transferred value by this command:  Current_Pos2= ((uint16_t)(DMA1_Channel1->CN...

STM32F303 Unique device ID - not BCD?

Posted on July 05, 2016 at 11:33Good day! I have a problem. In http://www.st.com/content/ccc/resource/technical/document/reference_manual/4a/19/6e/18/9d/92/43/32/DM00043574.pdf/files/DM00043574.pdf/jcr:content/translations/en.DM00043574.pdf said tha...

stmcufinder.com

Posted on June 27, 2016 at 17:07I stumbled upon http://stmcufinder.com today... interesting, appears to be genuinely ST-bred, but I don't remember to have seen a link to it anywhere on st.com. JW

STM32L4xx-Flash: erased flag?

Posted on July 05, 2016 at 10:41Hi everybody! I have a question regarding to the flash of STM32L4xx. If i erase one flash page of the device and in the next step read out that flash page i receive always 0xFFs. Then i wtite i. e. 0xFFFFFFFFFFFFFFFF ...

I2C slave interrupt issues

Posted on September 02, 2015 at 15:32  The original post was too long to process during our migration. Please click on the attachment to read the original post.

Going to STOP while waiting for UART TX DMA to complete

Posted on July 04, 2016 at 04:06Dear forum, I am trying to transfer a block of bytes from RAM to UART2 using DMA on STM32F042.  I found the HAL function HAL_UART_Transmit_DMA, so I want to go to stop right after that, like this:    int_disable();   ...

hmc by Associate III
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STM32F746G-DISCO QSPI External Connect

Posted on July 04, 2016 at 15:51I want to connect the interface QSPI external chip, but I can not find a way to override some of the tire contacts the outer connector.Override contacts worked for legs IO0, IO1, IO2, IO3 but I can not override to NSS...