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hi i am using STM32f746zg microcontroller with CANBUS i want to establish communication between CAN1 and CAN2 where CAN1(master) will send and CAN2(slave) should receive. CAN1 is transmitting perfectly but it is not receiving at CAN2 ..

can anyone help me with the code ....thanks in advance here is my codestatic void MX_CAN1_Init(void){ /* USER CODE BEGIN CAN1_Init 0 */ /* USER CODE END CAN1_Init 0 */ /* USER CODE BEGIN CAN1_Init 1 */ /* USER CODE END CAN1_Init 1 */ hcan1.Instance =...

B Vinod by • Associate II
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how to configure the bluetooth for b-l475e-iot01a

Hello, i'm trying to communicate with my b-l475e-iot01a with the bluetooth. In the documentations i don't see nothing about configuration and i don't know how to configure the bluetooth.I don't know how to make the board visible. Someone can help me ...

MMari.5 by • Associate II
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Resolved! Restart MCU via software

Hi, How can I restart stm32l431 via software? I an using the MCU with sim800l and I can be able to restart MCU using text message. Does Exist some HAL function to restart MCU?

GFont.1 by • Associate III
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where is eStore order status??

Hi,I just order some stm toolkit from eStore and my question is where is order status ?? https://www.st.com/content/st_com/en/sample_and_buy/sample-and-buy/buy-from-estore.html

CChun.2 by • Associate
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Open source Bluetooth Apps for Addressable RGB's

Hi all!Been a loooong time since I've been around forums, but I'm back!So a long time project I've wanted to do is coming back into my brain and I figure its time to start chipping away at it!I love RGB LEDs, especially the addressable variety, and I...

STM32F103C6 never enters interrupt handler and because of that holds SCL low because of RxNE is set, BTF is set and DR hasn't been read after first data byte received, stopping reception, why?.

I'm trying to send some data from master to a slave (the STM32F103C6) with HAL functions, with HAL_I2C_Slave_Receive() -no interrupt mode- the reception works flawlessly but with HAL_I2C_Slave_Receive_IT() -the one needed- the slave acknowledges its ...

VRami.1 by • Associate III
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STM32F103C, I2C_ErrorCode 4 with MPU6050

Hello,I setup i2c1 as per below. I am trying to get data from a MPU6050 device on I2C but I got error code 4.On the same hardware I tested using Arduino IDE and I can read data from MPU without problems.Can one support please guide me where should I ...

CSand by • Associate III
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  • 2 replies
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Setting register to restart counter

Hi, I have never work with register. I need to restart counter of LPTIM in stm32l431. The documentation says that I need to set a register to '1'. The image explain this. How I can do that? Thank's a lot.

0693W000001t9q0QAA.png
GFont.1 by • Associate III
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Resolved! STM32H743 USART DMA and DCache

Hi,I am trying to enable DCache on a USART Tx DMA snippet, which causes USART Tx to fail.The impression that I have is that the MCU has already written to physical memory and the DMA should have no trouble in accessing the written memory ?Can someone...

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