Inital go at the getting started doc for the HDK area

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Tim Wilkes 2015-04-09 13:12:37 +01:00
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# Getting Started with the HDK
## Things you will need
1) The HDK
2) A Wifi Pineapple
3) A Soldering iron
4) A programmer (an arduino is fine)
5) (optionally) a USB to serial converter.
![](imgs/hdk1.png)
## Set up of the HDK in the Pineapple
The HDK talks to the Wifi pineapple via a bit-banged SPI interface, using on board gpios. These are not enabled by default. In order to enable the interface, type:
/sbin/insmod spi-gpio-custom bus0=1,18,20,19,0,125000,21
Once this command has been run, a new device /dev/spidev1.0 will be created.
## Soldering the HDK
![](imgs/hdk2.png)
## Programming the HDK
![](imgs/hdk3.png)
### Example program
```C
```
## Testing
## Additional Information + Useful Links
https://randomcoderdude.wordpress.com/2013/08/15/spi-over-gpio-in-openwrt/