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PSalm · 2018-11-26

Hello all!We are using L6470 in our product for stepper motor control. We are using the SPI mode control with MOVE command.I would like to know the time (relative to given external clock) it takes to run the motor for given distance, given max speed ...

PSalm · 2018-10-03

Hello!We have custom board build with STM32F427 and embedded linux and i am trying to connect the STM32 bootloader with canbus. On the board the STM32 uses CAN2.I can toggle the pins BOOT0 and RESET from the linux, and i can program the stm32 fine wi...

PSalm · 2018-10-04

Hello, just for update. We found the reason; the CAN2 RX pin was wrong; it was on alternative mapping that worked fine for normal mode, but not for bootloader - reading the application note carefully would have solved the issue.

PSalm · 2018-10-04

Yes i have. The 125kbs is described in the application note as the baudrate that should be used to get the canx bootloader frame detect done.To make sure i tried baudrates 100khz + N*1khz for N = 0,1,2,...50 (with linux script) and made sure with sco...

PSalm · 2018-10-03

Hi Thanks for your reply! I'll check with the debugger if i get any sense on the behaviour.I was also suspecting the external pins (that it for example goes to SPI bootloader mode) but as the UART bootloader works after the i have failed with the CAN...

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