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25 lines
792 B
Markdown
25 lines
792 B
Markdown
# Raspberry pi CM3
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### Enable SPI0
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SPI0 is disabled by default. To enable it, use *raspi-config*, or ensure the line **dtparam=spi=on** isn't commented out in `/boot/config.txt`
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add **dtoverlay=spi-gpio35-39** under **dtparam=spi=on**, then reboot
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after reboot,make suer there is a `/dev/spidev0.0`
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wget -O - https://raw.githubusercontent.com/clockworkpi/apt/main/debian/KEY.gpg | sudo apt-key add -
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echo "deb https://raw.githubusercontent.com/clockworkpi/apt/main/debian/ stable main" | sudo tee -a /etc/apt/sources.list.d/clockworkpi.list
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sudo apt update
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sudo apt install devterm-thermal-printer
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### How to test
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echo "this is a test" > /tmp/DEVTERM_PRINTER_IN
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