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a specific pulse generation using the STM32 timers

Posted on July 15, 2018 at 22:51Hi,I want to generate a pulse something like this and use it as a trigger internally, I mean I don't want to have this pulse on MCU pins and therefore I should use Timers. I want to use it as an ADC trigger. What shou...

0690X0000060MCLQA2.jpg

SDRAM data corruption

Posted on July 16, 2018 at 08:00Hi,I am using stm32f769bit6 in my project. i have interfaced 32MB SDRAM using FMC. i want to use my sdram as datamemory as well as framebuffer. i did the sdram init @ systeminit() and provided the frame buffer address...

Hardfault from printf

Posted on July 11, 2018 at 00:28I have been struggling for several days now to track down a hard fault I am getting in one of my programs.  It seems to be related to printf (and similar) functions.After running for a while I will get a hardfault fro...

Greg Wood by Associate II
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SPI NSS?

Posted on July 13, 2018 at 18:36Hi,I am working on Nucleo-144 SPI. The NSS GPIO ios PA4. The only way I can have the NSS high is use __HAL_SPI_DISABLE() function. The HAL_GPIO_WritePin() just never work.I can see from the scope to verify it. Doesn't...

STM32f429 start up code time

Posted on July 14, 2018 at 20:50Hello All; I am using STM32f429 ; my device should wakeup every 10 seconds to check the battery . We noticed that  the time need after reset before going to the Main routine is about 17ms ! we found every time teh CYC...

Spurious IDLE LINK indication over UART2

Posted on July 15, 2018 at 12:35Hi,I'm working with STM32L151 and using 2 UART interfaces.UART1 is configured with IDLE LINK indication and DMA for reception.UART2 is configured without IDLE LINK indication.I've used STMCubeMX to generate the HALs.I...