User manual

Ausgabe 07.12.2016 Copyright by Joy-IT 5

RPi - Explorer700

4. LED sample programs - Changing the LED status

 bcm2835 program:

Open the Linux terminal and enter to the corresponding path and run the following commands:

The command for compiling the program:

The command for execung the program:

Expected result: The LED1 is blinking.

Press the keys Ctrl+C to end the program.

 wiringPi program:

Enter the Linux terminal, and run the following commands:

The command for compiling the program:

The command for execung the program:

Expected result: The LED1 is blinking.

Press the keys Ctrl+C to end the program.

Enter the Linux terminal, and run the following commands:

The command for compiling the program:

The command for execung the program:

Expected result: The brightness of the LED1 is changing gradually.

Press the keys Ctrl+C to end the program.

pi@raspberrypi ~/Explorer700/LED/wiringPi $ sudo ./led

pi@raspberrypi ~/Explorer700/LED/wiringPi $

pi@raspberrypi ~/Explorer700/LED/bcm2835 $ sudo ./led

pi@raspberrypi ~/Explorer700/LED/bcm2835 $ make

pi@raspberrypi ~/Explorer700/LED/wiringPi $ sudo ./pwm

pi@raspberrypi ~/Explorer700/LED/wiringPi $