Linux C script to read sensor data from I2C bus

This project was successfully completed by happycrab for $15 USD in a day.

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$10 - $30 USD
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1 day
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Project Description

I need a simple C script to read sensor data from a INA219 chip via I2C ( [url removed, login to view] ).

Everything is already written and documented for the 3.x kernel module ( [url removed, login to view] )

I use 2.6.32-5-486 Kernel and dont need a kernel module, simple c code that uses the #include and reads the data is enough.

I am currently stuck because all examples and kernel modules i found use i2c_read functions but due to kernel and smbus in i2c-dev.h I have to use i2c_smbus_read_i2c functions.

I am not a C programmer - I can already read registers but it seems that I mismatch datatypes, bits and bytes.

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