Raspberry Pi IoT in C

Page 1 of 2

If you are familiar with sysfs, you may have overlooked that the sysfs approach to GPIO is out of date – so how should you do it? This is an excerpt from the newly published Raspberry Pi IoT in C, Second Edition.

Raspberry Pi and the IoT in C Second Edition

From Harry Fairhead

Buy from Amazon.

contents

1. Why Pi for IoT?

2. Started

3. First steps with the GPIO

4. Simple edition

5. Some electronics

6. Simple input

9. Pulse Width Modulation – Servos and More

10. Using the I2C bus

11. The DHT22 sensor implements a custom protocol

12. Introduction to the basics of 1-Wire buses

13. Using iButtons

14. DS18B20 temperature sensor

15. The Multidrop 1-Wire Bus

17. Getting started with the SPI bus

18. A to D with the SPI bus

19. Connection to the web sockets

20. Memory mapped GPIO

21. Almost real-time Linux

22. Appendix I GPIO Sysfs interface

<1871962633>

’

––

’

“”’

’–“”’“”