RPiStuffs.txt

i2c
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sudo raspi-config
-> enable i2c

sudo apt-get install python-smbus python3-smbus python-dev python3-dev i2c-tools

sudo nano /boot/config.txt
dtparam=i2c=on
dtparam=i2c_baudrate=400000
dtparam=i2c_arm=on
dtparam=i2c_arm_baudrate=400000
dtparam=i2c1=on
dtparam=i2c1_baudrate=400000
core_freq=400
core_freq_min=400
-> to keep constant stable clock rate

modprobe -r i2c_bcm2708
modprobe i2c_bcm2708 baudrate=400000
modprobe i2c-dev

sudo nano /etc/modules
snd-bcm2835
i2c-dev
i2c-bcm2708

sudo nano /etc/modprobe.d/raspi-blacklist.conf
#blacklist spi-bcm2708
#blacklist i2c-bcm2708

sudo adduser pi i2c

Detect i2c devices:
ls -l /dev/*i2c*
sudo i2cdetect -y 1

sudo cat /sys/module/i2c_bcm2708/parameters/baudrate -> no longer exist

Test:
i2cget <i2c channel> <dev address> <reg_address>
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Mount dd img of RPi
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add "norecovery" to mount setting
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