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Question about I2C TXIS bit in stm32g071rb

Hello, I'm studing I2C on stm32g071rb and I have a question about it.In the datasheet there is this line: "In the case of a write transfer, the TXIS flag is set after each byte transmission, after the 9th SCL pulse when an ACK is received", but for t...

dmrsim by Associate III
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  • 6 replies
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Resolved! ADC with DMA restart

Hello,I'm using ADC together with DMA.At first start of ADC and DMA all worked like expected.At 2nd and following starts, the first value received from DMA is always zero / invalid.Now I have found out that it works if between two DMA transfers I use...

jhoerd by Associate II
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  • 7 replies
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STM32H753 FDCAN1 RX FIFO 1 concern

Hi All,I have a peculiar observation in one of our legacy codes, wherein I do not observe RX FIFO 1 callback being triggered.I observe hfdcan1.Init.ExtFiltersNbr is set to 0 and HAL_FDCAN_ConfigFilter() is NOT called. I am unaware if this is purposel...

Resolved! STM32G473 executing from FLASH while programing FLASH

Hello,I'm having an issue while programming a small section of FLASH memory during runtime of my device.Our device executes its program from FLASH memory. In-addition, we reconfigured the systick timer to run at 20kHz and this is the heartbeat of our...

jaakjensen_1-1709780000243.png

Resolved! STM32U599 SPI1 EOT flag not updating

I am using `HAL_SPI_Transmit_IT()` API to transmits 6 frames. The TXP interrupt correctly fires and feeds the TXDR register however after feeding the last frame into TXDR the EOT never fires, actually no interrupt fire after the last frame is feed.Fr...

desmond by Associate III
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  • 15 replies
  • 3 kudos

Broken STM32

Hi, I have a problem with a module based on STM32, more precisely it is a module that collects data from the ebike, i.e. temperature, speed, etc. This system is powered by an external 12 V converter, which reduces the voltage from approximately 80 V ...

MSzła.1 by Associate III
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  • 1 replies
  • 0 kudos