Flashing 7i96 to support PWM outputs

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21 Aug 2020 15:13 #178928 by nneil
In this post 7i96 Can't get PWM output - SOLVED PCW says that "With correct firmware, the 7I96 will replace 1 or more step generators with PWM generators outputs".

  • What is the version of this firmware?
  • How do I find out the current version of the firmware on my board?
  • How do I flash the board with the correct firmware?

Thanks in advance!
Neil

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21 Aug 2020 16:00 #178931 by PCW
7i96d_1pwm.bit is the correct firmware for a 7I96 with the last Step/Dir
output (step/dir 04) replaced with PWM/Dir

You update the firmware with mesaflash:

mesaflash --device 7i96 --addr x.x.x.x --write 7i96d_1pwm.bit

Where x.x.x.x is the 7i96 cards current IP address
This assumes 7i96d_1pwm.bit is in the current working directory

At this point you need to power cycle the card or issue a reload command
to load the FPGA from the updated flash memory:

mesaflash --device 7i96 --addr x.x.x.x --reload

7i96d_1pwm.bit is in the 7i96 support zip file in configs/hostmot2
The following user(s) said Thank You: deanforbes

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21 Aug 2020 16:08 #178933 by tommylight
Moved to "driver boards".

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22 Aug 2020 10:36 #178987 by nneil
Thank you. That completely solved my problem.
The following user(s) said Thank You: deanforbes

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