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usb otg dual role selection from cube mx

Hello, I am using STM32L4 series controller. I want to use USB OTG in dual mode where I want to run USB device and Host on same application. facing an issue when I select USB_OTG_FS as OTG/Dual_Role_device using cubemx tool then in middleware USB_HOS...

Hardik P by Associate
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  • 3 replies
  • 5 kudos

NUCLEO491RE I2C COMMUNICATION WITH TCA9537

I am using nucleo491re MCU  to communicate with tca9537 GPIO-Expander . I want to use GPIO  for on/off  in tca9537 based on i2c . IN tca9537 I have four resister 1. Input(read) address( 0x01) 2.output (read/write) address(0x02) 3.polarity address( 0x...

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ishu by Associate II
  • 1620 Views
  • 6 replies
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Concurrent DMA controlled SPIs failing (STM32H7)

All,I'm finding that concurrent DMA driven SPI transfers are failing.its STM32H743, Latest HAL, latest Cube and followed all rules with cache configuration etc etc.I’m running this in different FreeRTOS threaads and if I put a mutex around the HAL DM...

MS.9 by Associate III
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  • 1 replies
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RM0316 - typo in figure (FLITF)

It should be FLITF.It's also in the 3rd figure on the next page.The typo is also in RM0364, but it's corrected in RM0313.Can't these figures be redrawn so that masters are on top, and slaves on right, as is in other 'Fx RMs?JW

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Resolved! STM32G031: cannot program the Discovery Kit

Hey guys and gals!Just received the STM32G031 Discovery Kit with the stm32g031j6m6 chip in the SO8 package. The thing is all my   attempts to program it failed.When the usb cable is plugged in a 'drive' connects where there are two files:1. DETAILS.T...

MCerv.1 by Associate II
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  • 1 replies
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STM32H743ZI Bizzare behavior from I2C with Reload = 1

Hi everyone, Trying to create an eeprom API based on the AT24CM01 ASIC chip. I got the Byte write working no problem, however the IC is capable of doing sequential writes up to 256 bytes. The way I am doing this is setting the 'RELOAD' value within t...

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CLeo.1 by Senior II
  • 3478 Views
  • 3 replies
  • 1 kudos

How To send 10 CAN IDs

I want to send 10 CAN IDs at a time. But as my STM32F413VGT6 has 3 Tx Mailboxes I am able to send only 3 IDsIs there any function to empty Tx mailboxes?Or is there any other way available to send all IDs at once without emptying mailboxes?

Pk432 by Associate
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