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Ragnar Jensen 2016-10-05 21:30:53 +02:00 committed by GitHub
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@ -5,13 +5,15 @@ hddledPi blinks a LED connected to a GPIO pin on any mass storage access. Not on
netledPi blinks a LED connected to a GPIO pin when there is activity on any network interface. Not only the built-in ethernet interface, but also on any other USB ethernet or WiFi interface.
actledPi blinks the Pi's ACT led on all mass storage I/O, i.e. not only the SD card.
netledPi and hddledPi make use of Gordon Henderson's wiringPi library - wiringpi.com - so you have to have that installed in order to build the programs.
netledPi and hddledPi make use of Gordon Henderson's wiringPi library - wiringpi.com - so you have to have that installed in order to build the programs. Current versions of Raspbian come with wiringPi already installed.
Building the programs is easy:
gcc -Wall -O3 -o netledPi netledPi.c -lwiringPi
gcc -Wall -O3 -o hddledPi hddledPi.c -lwiringPi
gcc -Wall -O3 -o actledPi actledPi.c
I recommend that you copy the binaries to the /usr/local/bin directory, because the init scripts provided all assume that they reside there.
hddledPi uses wiringPi pin 10 by default. It is BCM_GPIO 8, physical pin 24 on the Pi's P1 header.
netledPi uses wiringPi pin 11 by default. It is BCM_GPIO 7, physical pin 25 on the Pi's P1 header.
Note: These pins are also used for the SPI interface. If you have SPI add-ons connected, you'll have to use the -p option to change to another, unused pin.