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12C code example - light sensor, addr 0x39
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Classroom Contents
How to Avoid Writing Device Drivers for Embedded Linux
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- 1 Intro
- 2 About Chris Simmonds
- 3 Conventional device driver model
- 4 How applications interact device drivers
- 5 A note about device trees
- 6 GPIO: General Purpose Input/Output
- 7 Two userspace drivers!
- 8 The gpiolib systs interface
- 9 Inside a gplochip
- 10 Exporting a GPIO pin
- 11 Inputs and outputs
- 12 Interrupts
- 13 The gpio-cdev interface
- 14 gpio-cdev example 22
- 15 PWM: Pulse-Width Modulation
- 16 The PWM systs interface
- 17 Exporting a PWM
- 18 PWM example
- 19 12C: the Inter IC bus
- 20 The 12c-dev driver
- 21 Detecting 12c slaves using cdetect
- 22 12C code example - light sensor, addr 0x39
- 23 Other examples
- 24 What are you missing?
