26 lines
789 B
Bash
Executable file
26 lines
789 B
Bash
Executable file
#!/bin/sh
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HCIATTACH=/usr/bin/hciattach
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if grep -q "Pi 4" /proc/device-tree/model; then
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BDADDR=
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else
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SERIAL=$(cat /proc/device-tree/serial-number | cut -c9-)
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B1=${SERIAL:2:2}
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B2=${SERIAL:4:2}
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B3=${SERIAL:6:2}
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BDADDR=$(printf b8:27:eb:%02x:%02x:%02x $((0x$B1 ^ 0xaa)) $((0x$B2 ^ 0xaa)) $((0x$B3 ^ 0xaa)))
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fi
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uart0="$(cat /proc/device-tree/aliases/uart0)"
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serial1="$(cat /proc/device-tree/aliases/serial1)"
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if [ "$uart0" = "$serial1" ] ; then
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uart0_pins="$(wc -c /proc/device-tree/soc/gpio@7e200000/uart0_pins/brcm\,pins | cut -f 1 -d ' ')"
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if [ "$uart0_pins" = "16" ] ; then
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$HCIATTACH /dev/serial1 bcm43xx 3000000 flow - $BDADDR
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else
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$HCIATTACH /dev/serial1 bcm43xx 921600 noflow - $BDADDR
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fi
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else
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$HCIATTACH /dev/serial1 bcm43xx 460800 noflow - $BDADDR
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fi
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