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78 lines
2.3 KiB
Markdown
78 lines
2.3 KiB
Markdown
# MangoPI MQ Pro (single core allwinner D1 risc-v based Pi Zero clone)
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Investigating the MangoPi MQ pro's IO capabilities when running Ubuntu 23.10, instead of the Armbian image it 'shipped' with. This is using the 'AllWinner Nezha' image (compatible with the MQ pro) from here: https://ubuntu.com/download/risc-v
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My unit is connected to a Waveshare LORA hat, I want to make it work.
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### MQ Pro Pins:
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This is derived from the schematics; showing the specific GPIO pin assignments on the MQ Pro GPIO connector
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```text
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looking down, Pin1 is top left, Pin40 bottom right
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3v3 -- o o -- 5v
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PG13 ------ o o -- 5v
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PG12 ------ o o -- GND
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PB7 ------ o o ------ PB8
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GND -- o o ------ PB9
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PD21 ------ o o ------ PB5
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PD22 ------ o o -- GND
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PB0 ------ o o ------ PB1
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3v3 -- o o ------ PD14
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PD12 ------ o o -- GND
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PD13 ------ o o ------ PC1
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PD11 ------ o o ------ PD10
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GND -- o o ------ PD15
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PE17 ------ o o ------ PE16
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PB10 ------ o o -- GND
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PB11 ------ o o ------ PC0
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PB12 ------ o o -- GND
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PB6 ------ o o ------ PB2
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PD17 ------ o o ------ PB3
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GND -- o o ------ PB4
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```
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Note that the spare onboard LED (activity?) is on `PD18`
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## LoRA HAT pins
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This is derived from the schematics; showing the 5 specific pins used (only)
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```text
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looking down, Pin1 is top left, Pin40 bottom right
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3v3 -- o o -- 5v
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o o -- 5v
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o o -- GND
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AUX ------ o o ------ TX (set to USB serial via jumpers on HAT)
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GND -- o o ------ RX (set to USB serial via jumpers on HAT)
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-- o o --
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M1 ------ o o -- GND
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M0 ------ o o --
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3v3 -- o o --
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-- o o -- GND
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-- o o --
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-- o o --
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GND -- o o --
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-- o o --
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-- o o -- GND
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-- o o --
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-- o o -- GND
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-- o o --
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-- o o --
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GND -- o o --
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```
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The three fixed pins used by the HAT are 7,13 and 15.
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These map as follows:
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* `AUX` is on `PB7`
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* `M1` is on `PD22`
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* `M0` is on `PB0`
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The Serial (TX,RX) is deselected via onboard jumpers, a secondary serial will be jumpered to the module TX/RX instead.
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## References
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#### MQ Pro
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https://mangopi.org/mangopi_mqpro
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#### Lora HAT
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https://www.waveshare.com/wiki/SX1262_868M_LoRa_HAT
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