gpio pins NOT working with CB1 eMMc V1.1
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Description
CB1 eMMc on Manta M5P
I have setup the CB1 eMMc as a second MCU configured gpio79 for PI-FAN which is the socket on the M5P.
[mcu cb1]
serial: /tmp/klipper_host_mcu
[heater_fan SoC_fan]
pin: cb1:gpio79
Settings have been verified by several people and all have said correct but I get this message MCU 'cb1' error during config: Unable to open out GPIO chip line
Please fix or report back if I have a hardware issue
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Research direction
Start with the reported [mcu cb1] and [heater_fan SoC_fan] configuration using cb1:gpio79, then investigate the CB1 eMMC and Manta M5P GPIO mapping behind the “Unable to open out GPIO chip line” error. Done means determining whether gpio79 is supported and identifying a configuration or hardware issue, with the result reported back in the issue.
Written by the indexing model from the issue text.
Assessment
- Domain
- embedded-iot
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100