/
camera_i2c
executable file
·265 lines (244 loc) · 6.26 KB
/
camera_i2c
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#!/bin/sh
# Setup GPIO and I2C ports for raspicam
# Broadcom GPIO numbers used here
# http://elinux.org/RPi_HardwareHistory#Board_Revision_History
rev=`cat /proc/cpuinfo | grep Revision | awk '{print substr($NF,length($NF)-5,6)}'`
kernel=`uname -r | head --bytes 1`
echo "setting GPIO for board revsion: $rev"
case $rev in
# Old revision code encodings first
'0002'|'0003')
echo "B Rev1 - I2C 1 on GPIOs 2 & 3. GPIOs 5 & 27 for LED and power"
if [ "$kernel" = "4" ]
then
# i2c on these pins
raspi-gpio set 0 ip
raspi-gpio set 0 a0
raspi-gpio set 1 ip
raspi-gpio set 1 a0
fi
#shutdown
raspi-gpio set 27 op dh
#LED
raspi-gpio set 5 op dh
#
echo "Use 'raspiraw -y 1' to communicate with the sensor"
;;
'0004'|'0005'|'0006'|'000d'|'000e'|'000f')
echo "B Rev2 - I2C 0 on GPIOs 0 & 1. GPIOs 5 & 21 for LED and power"
# i2c on these pins
if [ "$kernel" = "4" ]
then
raspi-gpio set 0 ip
raspi-gpio set 0 a0
raspi-gpio set 1 ip
raspi-gpio set 1 a0
fi
#shutdown
raspi-gpio set 21 dh
#LED
raspi-gpio set 5 dh
;;
'0010'|'0012'|'0013'|'1041')
echo "A+, B+, B2, B2 (2837), and Zero (not W) all revisions - I2C 0 on GPIOs 28 & 29. GPIOs 32 & 41 for LED and power"
if [ "$kernel" = "4" ]
then
# i2c can be on pins 0 and 1, so make sure they are not set to alt0
raspi-gpio set 0 ip
raspi-gpio set 1 ip
# i2c on these pins
raspi-gpio set 28 ip
raspi-gpio set 28 a0
raspi-gpio set 29 ip
raspi-gpio set 29 a0
fi
#shutdown
raspi-gpio set 41 dh
#LED
raspi-gpio set 32 dh
;;
'0011'|'0014')
echo "Compute Module/ CM3 - I2C 0 on GPIO 0 & 1. GPIOs 2 & 3 for LED and power"
echo "Warning: This is just a default setting for cam1."
echo "Download dt-blob.bin from https://www.raspberrypi.org/documentation/hardware/computemodule/dt-blob-cam1.bin and place it in /boot/."
echo "For cable connection, see https://www.raspberrypi.org/documentation/hardware/computemodule/cmio-camera.md"
if [ "$kernel" = "4" ]
then
# i2c can be on pins 28 and 29, so make sure they are not set to alt0
raspi-gpio set 28 ip
raspi-gpio set 29 ip
# i2c on these pins
raspi-gpio set 0 ip
raspi-gpio set 0 a0
raspi-gpio set 1 ip
raspi-gpio set 1 a0
fi
# shutdown
raspi-gpio set 3 out
raspi-gpio set 3 dh
# LED
raspi-gpio set 2 out
raspi-gpio set 2 dh
;;
*)
# New format revision encodings
board_type=`cat /proc/cpuinfo | grep Revision | awk '{print substr($NF,length($NF)-2,2)}'`
case $board_type in
'02'|'03'|'04'|'09')
echo "A+, B+, B2, B2 (2837), and Zero (not W) all revisions - I2C 0 on GPIOs 28 & 29. GPIOs 32 & 41 for LED and power"
if [ "$kernel" = "4" ]
then
# i2c can be on pins 0 and 1, so make sure they are not set to alt0
raspi-gpio set 0 ip
raspi-gpio set 1 ip
# i2c on these pins
raspi-gpio set 28 ip
raspi-gpio set 28 a0
raspi-gpio set 29 ip
raspi-gpio set 29 a0
fi
#shutdown
raspi-gpio set 41 dh
#LED
raspi-gpio set 32 dh
;;
'0c')
echo "PiZero W - I2C 0 on GPIO 28 & 29. GPIOs 40 & 44 for LED and power"
if [ "$kernel" = "4" ]
then
# i2c can be on pins 0 and 1, so make sure they are not set to alt0
raspi-gpio set 0 ip
raspi-gpio set 1 ip
# i2c on these pins
raspi-gpio set 28 ip
raspi-gpio set 28 a0
raspi-gpio set 29 ip
raspi-gpio set 29 a0
fi
# shutdown
raspi-gpio set 44 dh
# LED
raspi-gpio set 40 dh
;;
'0a')
echo "Compute Module/ CM3 - I2C 0 on GPIO 0 & 1. GPIOs 2 & 3 for LED and power"
echo "Warning: This is just a default setting for cam1."
echo "Download dt-blob.bin from https://www.raspberrypi.org/documentation/hardware/computemodule/dt-blob-cam1.bin and place it in /boot/."
echo "For cable connection, see https://www.raspberrypi.org/documentation/hardware/computemodule/cmio-camera.md"
if [ "$kernel" = "4" ]
then
# i2c can be on pins 28 and 29, so make sure they are not set to alt0
raspi-gpio set 28 ip
raspi-gpio set 29 ip
# i2c on these pins
raspi-gpio set 0 ip
raspi-gpio set 0 a0
raspi-gpio set 1 ip
raspi-gpio set 1 a0
fi
# shutdown
raspi-gpio set 3 out
raspi-gpio set 3 dh
# LED
raspi-gpio set 2 out
raspi-gpio set 2 dh
;;
'08'|'0d'|'0e')
echo "Raspberry Pi3B / Pi3B+ / 3A"
# https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=120702&start=100
# Pins 44&45 Alt1=i2c0, alt2=i2c1
if [ "$kernel" = "4" ]
then
# i2c0 can be on pins 0 and 1, so make sure they are not set to alt0
raspi-gpio set 0 ip
raspi-gpio set 1 ip
raspi-gpio set 28 ip
raspi-gpio set 29 ip
# i2c on these pins
raspi-gpio set 44 ip
raspi-gpio set 44 a1
raspi-gpio set 45 ip
raspi-gpio set 45 a1
fi
#shutdown
# you need this one: https://github.com/6by9/rpi3-gpiovirtbuf
#raspi-gpio set 41 1
`dirname $0`/rpi3-gpiovirtbuf s 133 1
#LED
#raspi-gpio set 32 1
;;
'11')
echo "4B(1G/2G/4G/8G)"
# https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=120702&start=100
# Pins 44&45 Alt1=i2c0, alt2=i2c1
# i2c0 can be on pins 0 and 1, so make sure they are not set to alt0
if [ "$kernel" = "4" ]
then
# Do NOT alter 28&29 as they are used by the ethernet PHY.
raspi-gpio set 0 ip
raspi-gpio set 1 ip
# i2c on these pins
raspi-gpio set 44 ip
raspi-gpio set 44 a1
raspi-gpio set 45 ip
raspi-gpio set 45 a1
fi
#shutdown
# you need this one: https://github.com/6by9/rpi3-gpiovirtbuf
#raspi-gpio set 41 1
`dirname $0`/rpi3-gpiovirtbuf s 133 1
#LED
#raspi-gpio set 32 1
;;
'12')
echo "PiZero2W"
# Pins 44&45 Alt1=i2c0, alt2=i2c1
# i2c0 can be on pins 0 and 1, so make sure they are not set to alt0
if [ "$kernel" = "4" ]
then
# Do NOT alter 28&29 as they are used by the ethernet PHY.
raspi-gpio set 0 ip
raspi-gpio set 1 ip
# i2c on these pins
raspi-gpio set 44 ip
raspi-gpio set 44 a1
raspi-gpio set 45 ip
raspi-gpio set 45 a1
fi
#shutdown
raspi-gpio set 40 dh
# No LED line.
;;
'13')
# Pi400
echo "Failed: Pi400 doesn't have a camera connector"
;;
'14')
# CM4
echo "CM4 - assume CAM1 on 44&45"
if [ "$kernel" = "4" ]
then
# i2c can be on pins 44 and 45, so make sure they are not set to alt0
raspi-gpio set 44 ip
raspi-gpio set 45 ip
# i2c on these pins
raspi-gpio set 0 ip
raspi-gpio set 0 a0
raspi-gpio set 1 ip
raspi-gpio set 1 a0
fi
# shutdown
`dirname $0`/rpi3-gpiovirtbuf s 133 1
;;
*)
echo "Failed: don't know how to set GPIO for this board! Type is $board_type"
;;
esac
;;
esac
if [ "$kernel" = "4" ]
then
echo "Use i2c-0 for the sensor (-y 0)"
else
echo "Use i2c-10 for the sensor (-y 10)"
fi