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rpi-hello-world-go's Introduction

Hello World

This is a hello world program for a golang (Go) program.

The program is developed on a Mac computer and the binary is cross compiled for the Raspberry Pi architecture (GOOS=linux GOARCH=arm GOARM=5).

The program prints "Hello World" on std out, blinks a LED 10 times (5 times per second) and then fades a LED (using PWM) up and down 5 times.

All pin control is performed using go library go-rpio.

Wire LED to the Raspberry Pi

Wire a LED (with resistor in serial) to a ground pin (like physical pin 6) and to GPIO pin 10 (which corresponds to physical pin 19).

Note
 Check the polarity of the LED. If it is not flashing when you run the program, try to flip the LED +/- sides. ;)

Build

make build

Deploy

make deploy

Copies the compiled binary to ~/tmp at the Raspberry Pi.

Note
 You will probably need to update/edit the IP address of your Raspberry Pi in Makefile.

rpi-hello-world-go's People

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