How Setup The I2C, Spi, Uart - OLIMEX OLinuXino-MAXI User Manual

Open-source single-board linux computer

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OLinuXino User's Manual

sleep 1

echo 0 > /sys/class/gpio/gpio65/value

sleep 1

done

We save it as as "gpio" and we make it executable with

chmod +x gpio

then we execut the script with:

./gpio

The LED should start blinking with 0.5Hz.

2.8 How setup the I2C, SPI, UART

Good place to check if you are trying to configure the I2C, SPI, UART etc via Linux is

http://www.inf.furb.br/~maw/asm51/Telit_GE863-PRO3_Linux_SW_UserGuide_r5.pdf. Telit have

explained how to do it with their board but it follows the same pattern for OLinuXino.

Another way to test I2C is using the i2c-tools utility (), which is available in OpenEmbedded.

For SPI you can use spidev tool:

Git link(click)

, check the spidev_test.c code for an example.

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