About AS.5

AS.5 · 2021-02-15

Hi everyone, I try to understand more deeply the the whole clocks issue and how each frequency affects the running time. My board is STM32F429, and the clock configuration set by default (maximum values). This is the best configuration for fast runni...

AS.5 · 2020-12-07

In polling mode, HAL_CAN_AddTxMessage() returns HAL_OK, but HAL_CAN_GetRxMessage() returns HAL_CAN_ERROR_PARAM. In interrupt mode, the function HAL_CAN_RxFifo0MsgPendingCallback() never has been called (CAN1_RX0_IRQHandler not been called). Also HAL...

AS.5 · 2021-02-16

Hi, thanks for your answer. So the RCC mange the whole clocks for best result? Does it automatically choose the system clock on-the-fly for best result?

AS.5 · 2020-12-10

When I debug I pat attention the ESR (error status register) changed after transmit a message. The last error code bits are 001, according to reference manual it means- Stuff Error .What does this error means? How can I solve it?

AS.5 · 2020-12-07

Hi, thanks for your answer.Do you have any example for communication with two boards?Here are some configurations from my code.There are two separate codes for each CAN bus. this is my CAN1 Init: hcan1.Instance = CAN1; hcan1.Init.Prescaler = 20; hca...

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Clocks configuration - STM32F429

Hi, I try to communication with two stm32f4 via CAN bus. the first board (which transmit the message) as can1 and the second (which receive the message) as can2. I'm using the new HAL_CAN function.

Re: Clocks configuration - STM32F429

Re: Hi, I try to communication with two stm32f4 via CAN bus. the first board (which transmit the message) as can1 and the second (which receive the message) as can2. I'm using the new HAL_CAN function.

Re: Hi, I try to communication with two stm32f4 via CAN bus. the first board (which transmit the message) as can1 and the second (which receive the message) as can2. I'm using the new HAL_CAN function.