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CAN ''Bus-Off'' behavior

Posted on June 28, 2018 at 15:32Dear colleagues,Could you please help to understand CAN 'bus-off' operational in a correct way? (can not find a proper description in the Reference manual for STM32F4).Some assumptions a) Suppose that ABOM bit in the ...

BSP SD_DetectIRQHandler() doesn't work

Posted on June 28, 2018 at 13:19I am trying to use BSP SD functions. One way to detect if SD card is inserted is with BSP_SD_IsDetected()  and another way is via interrupts w/ BSP_SD_ITConfig() .The comments don't explicitly say which is the correct...

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Jur Div by Associate II
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STM32F7 USB_FS and USB_HS together

Posted on June 21, 2018 at 05:51It appears, but is not clear from the data sheets, that the STM32F7 and some STM32F4's have two separate USB controllers a FS one and a HS one. Assuming suitable software can be created can these two controllers be us...

STM32H7 SPI_FullDuplex_ComDMA example

Posted on April 25, 2018 at 21:51Hi, In the SPI_FullDuplex_ComDMA example from STM32Cube_FW_H7_V1.2.0, if the aTxBuffer is changed from const uint8_t to uint8_t. (from flash to sram). The code below:for(i=0;i<128;i++) aTxBuffer[i] = 0x55;SCB_CleanDC...

Asantos by Senior
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SPI slave with DMA stops receiving data

Posted on June 26, 2018 at 15:21I am using 6 STM32F302CB as slaves & a STM32F407ZE as master. My issue is that after about 1-2 hours the first slave stops receiving data and then more and more slaves stops receiving, but the controller is still runn...