About DMedv.1

DMedv.1 · 2023-02-07

Hi,Could you please suggest a direction with my problem?I try to read and write data to a sensor via i2c with DMA1 in an STM32 Nucleo F401 board where a FreeRTOS is running.I can read the sensorata with polling methode, and next to the I2C an UART is...

DMedv.1 · 2023-02-07

Dear ST,Could you please help me on that how can I solve the below issue?After updating the HALL firmware in teh Cube MX to FW F4 V 1.27.1 when i am regenerating the code. In the place where the FREE RTOS componens are created before a headline of th...

DMedv.1 · 2023-02-12

Finally found the solution. I summarise some issues I had:HAL_I2C_Master_Transmit_DMA(i2cHandler, MPUADDR, i2cData, 2); The Deliverable data: The deliverable data must be global variable for DMA, otherwise when I am leaving the function/ or calling ...

DMedv.1 · 2023-02-11

I Switch to a different device a Nucleo-H723ZG whwre at least the DMA transfer starts.But happenes only for 1 cycle and the DMA failes with error code 1. What is the Transfer error.#define HAL_DMA_ERROR_TE (0x00000001U) /*!< Transfer ...

DMedv.1 · 2023-02-09

Hi @KHALSI_Foued I could only figure out the the state register remained HAL_I2C_STATE_BUSY_TX but everithing else looks fine to me.Could you please have a look at on the registers if you can see something?

DMedv.1 · 2023-02-08

Hi @KHALSI_Foued ,Thank you for your replay, i changed the Pull-up/Pull-down to Pull-up. But it did not helped unfortunately. I attached a capture with a Logic analyser. I am trying to get the error flag status.The I2C_DMAError function is not cal...

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I2C DMA not triggering callback function

Why FreeRTOS queue and thread creation removed after update to CUBE FW F4 V 1.27.1?

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