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STM32 MCUs Embedded software

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Possible SPI DMA bug in STM32K743IIK

I've run across what looks like a bug in the STM32H743IIK (144pin BGA) related to SPI DMA. It is a very strange one, and you can see the history of this issue on the ChibiOS forums here:http://www.chibios.com/forum/viewtopic.php?f=16&t=4140&start=80I...

tridge by • Associate II
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Resolved! I can only write to SD card once (SPI-fatfs)

I am using a stm32f407 and i use this code inside a loop:/* Mount SD Card */ if(f_mount(&fs, "", 0) != FR_OK) _Error_Handler(__FILE__, __LINE__); /* Open file to write */ if(f_open(&fil, "first.txt", FA_OPEN_ALWAYS | FA_READ | FA_WRITE) ...

NBlac by • Associate III
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Port STSW-STM32059 to other PHY

Hello community,i got the STSW-STM32059 running on a STM3210C eval with truestudio. Now i want to port it to my own PCB, where i use a STM32107RC and the 88E6161 Switch as a PHY. The PHY uses port 5, in 100 full duplex MII mode.Until now i got the c...

aMees by • Associate
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Stm32f103vet6 usb bulk multi enpoint.

Hello everybody !I am working with usb bulk use libusbwin32 and hardware stm32f103vet6. I use multi endpoint EP1_IN, EP1_OUT, EP2_IN, EP2_OUT, EP3_IN, EP3_OUT, EP4_IN, EP4_OUT. But EP4_IN and EP4_OUT do not work, other endpoint working ok. Please he...

tduon.14 by • Associate
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Debugging when DMA is active...

When debugging, and when stopped at a breakpoint, does DMA or any interrupt driven process continue? If no, then debugging an incoming serial data stream (for example), can only be done after the stream is completed, otherwise you will miss character...

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