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puredata:gpio [2020/01/28 21:56]
admin 		puredata:gpio [2020/03/06 19:27]
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 {{:puredata:pd_wiringpi_mcp3008_gpio-help_jan2020.png?|}} {{:puredata:pd_wiringpi_mcp3008_gpio-help_jan2020.png?|}}
  
-Wiring for the Raspberry Pi was written by Gordon Henderson.\\ +[[https://puredata.info/|Pure Data]] (Pd) is a visual programming language developed by Miller Puckette.\\ 
-WiringPi for Pure Data was written by Miller Puckettte, Jaime Oliver La Rosa and Jeremiah Rose.\\+ 
 +[[http://wiringpi.com/|Wiring]] for the Raspberry Pi was written by Gordon Henderson.\\ 
 +WiringPi for Pure Data was written by Miller Puckette, Jaime Oliver La Rosa and Jeremiah Rose.\\
 This is a workaround for installing the WiringPi object and using the analog digital converter [[http://ww1.microchip.com/downloads/en/DeviceDoc/21295d.pdf|MCP3008]] for analog inputs in Pure Data on a Raspberry Pi 4 with This is a workaround for installing the WiringPi object and using the analog digital converter [[http://ww1.microchip.com/downloads/en/DeviceDoc/21295d.pdf|MCP3008]] for analog inputs in Pure Data on a Raspberry Pi 4 with
 [[https://www.raspberrypi.org/downloads/raspbian/|Raspbian Buster]].\\ [[https://www.raspberrypi.org/downloads/raspbian/|Raspbian Buster]].\\
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    $ cd /tmp    $ cd /tmp
    $ wget https://project-downloads.drogon.net/wiringpi-latest.deb    $ wget https://project-downloads.drogon.net/wiringpi-latest.deb
-   $ sudo dpkg -i wiringpi-latest.+   $ sudo dpkg -i wiringpi-latest.deb
 [[http://wiringpi.com/wiringpi-updated-to-2-52-for-the-raspberry-pi-4b/]]\\ [[http://wiringpi.com/wiringpi-updated-to-2-52-for-the-raspberry-pi-4b/]]\\
  
 === Install the WiringPi for PD === === Install the WiringPi for PD ===
 +
 Download: {{ :puredata:pd-wiringpi.zip |}}\\ Download: {{ :puredata:pd-wiringpi.zip |}}\\
 +   $ wget www.dernulleffekt.de/programme/pd-wiringpi.zip
 +   $ unzip pd-wiringpi.zip
 +   $ cd pd-wiringpi/
 +   $ cp -R wiringPi_gpio/ /home/pi/Pd/externals/
 +   $ cp -R wiringPi_mcp3008/ /home/pi/Pd/externals/
 +
 Unzip and copy the wiringPi_gpio and the wiringPi_mcp3008 folder in the PD external folder.\\ Unzip and copy the wiringPi_gpio and the wiringPi_mcp3008 folder in the PD external folder.\\
-/home/pi/Documents/PD/externals\\ +   /home/pi/Pd/externals 
-In Pure Data -> Preferences -> Path set the path to these two folders.\\ +One has to run Wiring PD with administration rights: 
-{{:puredata:pd_wiringpi_path_jan2020.png?375|}}\\+   $ sudo pd 
 +In Pure Data -> Preferences -> Path set the path to the two external folders. You might have to set the path for the PD folder, too. It should look like that.\\ 
  
 +{{:puredata:pd_wiringpi_path_jan2020.png?|}}\\
 +
 +=== Or install pdwiringPi ====
 +
 +An other wiringPi external is that one [[https://github.com/garthz/pdwiringPi]] by Garth Zeglin. It also support PWM over GPIO for the pins: 12, 13, 18, 19.\\
 +   $ wget https://github.com/garthz/pdwiringPi/archive/master.zip
 +   $ unzip master.zip
 +   $ cd pdwiringPi-master
 +   $ make
 +There should be a new folder called "pdwiringPi". Add that one the Pure Data -> Preferences -> Path.\\   
 +
 +----
 === Pin Configuration === === Pin Configuration ===
-The Wiring library has its own [[http://wiringpi.com/pins/|pin labeling]]: +The Wiring library has its own [[http://wiringpi.com/pins/|pin labeling]]:\\ 
-[[http://wiringpi.com/wp-content/uploads/2013/03/pins.pdf]]\\+[[http://wiringpi.com/wp-content/uploads/2013/03/pins.pdf|Wiring Pins.pdf]]\\ 
 +On Sparkfun one found a good pin labeling, too:\\ 
 +[[https://learn.sparkfun.com/tutorials/raspberry-gpio/all]]\\
 \\ \\
 **For example:\\ **For example:\\
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 The GPIO access needs administration rights, so one has to start Pure Data with these rights from the terminal: The GPIO access needs administration rights, so one has to start Pure Data with these rights from the terminal:
    $ sudo pd    $ sudo pd
-{{:puredata:pd_wiringpi_gpio-help_jan2020.png?793|}}\\+ 
 +{{:puredata:pd_wiringpi_gpio-help_jan2020.png?|}}\\ 
 Open the wiringPi_gpio-help.pd file and have fun with the GPIOs!\\ Open the wiringPi_gpio-help.pd file and have fun with the GPIOs!\\
  
 === WiringPi and the MCP 3008 === === WiringPi and the MCP 3008 ===
 +
 +{{:puredata:raspberrypi_mcp3008.jpg?600|}}\\
  
 For the hardware wiring of the 10 bit analog to digital converter MCP 3008  connect the pins of the MCP3008 like that:\\ For the hardware wiring of the 10 bit analog to digital converter MCP 3008  connect the pins of the MCP3008 like that:\\
-{{:puredata:sensors_raspberry_pi_mcp3008pin.gif?200|}}+{{:puredata:sensors_raspberry_pi_mcp3008pin.gif?200|}}\\
  
    MCP3008       Raspberry Pi    MCP3008       Raspberry Pi
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 Open PD as administrator (sudo pd) and then open the wiring_mcp3008-help.pd file. After clicking on setup_wiringPi the analog inputs should work.\\ Open PD as administrator (sudo pd) and then open the wiring_mcp3008-help.pd file. After clicking on setup_wiringPi the analog inputs should work.\\
  
-{{:puredata:pd_wiringpi_mcp3008-help_jan2020.png?764|}}\\+{{:puredata:pd_wiringpi_mcp3008-help_jan2020.png?|}}\\ 
  
 ---- ----
 ==== Links ==== ==== Links ====
  
 +PD:\\
 [[https://puredata.info/]]\\ [[https://puredata.info/]]\\
 +
 +Wiring:\\
 [[http://wiringpi.com/]]\\ [[http://wiringpi.com/]]\\
 +[[https://github.com/WiringPi/WiringPi]]\\
 [[https://github.com/jeremiahrose/pd-wiringpi]]\\ [[https://github.com/jeremiahrose/pd-wiringpi]]\\
 [[http://pi.bek.no/pd_wiringPi_GPIO/]]\\ [[http://pi.bek.no/pd_wiringPi_GPIO/]]\\
 +
 +MCP3008:\\
 [[https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008]]\\ [[https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008]]\\
 +
 +GPIO:\\
 [[https://www.raspberrypi.org/documentation/usage/gpio/]]\\ [[https://www.raspberrypi.org/documentation/usage/gpio/]]\\