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raspberry:dac_mcp4802-22 [2020/10/09 18:14]
admin 		raspberry:dac_mcp4802-22 [2020/10/16 21:57]
admin [Links]
Line 14: Line 14:
        
     Vdd           5V     Vdd           5V
 +    CS            CE1
 +    SCLK          SCLK
 +    SDI           MOSI
     Vss           GND     Vss           GND
     LDAC          GND     LDAC          GND
-    CLK           SCLK 
-    SIN           MOSI 
-    CS            CE1 
  
 {{:puredata:gpio-pinout-diagram-2.png?400|}}\\ {{:puredata:gpio-pinout-diagram-2.png?400|}}\\
Line 26: Line 26:
  
 ---- ----
-==== Links ====+==== with Commandline ====
  
 +[[https://swharden.com/blog/2016-09-28-generating-analog-voltages-with-the-raspberry-pi/]]\\
 +
 +to output some voltage:
 +  $ echo -ne "\x1F\xFF" > /dev/spidev0.1
 +
 +----
 +==== with BCM2835 Library ====
 +[[https://www.airspayce.com/mikem/bcm2835/]]\\
 +[[https://www.youtube.com/watch?v=0QcteUtzB4o]]\\
 +[[https://raspberry-projects.com/pi/programming-in-c/spi/using-the-spi-interface]]\\
 +
 +
 +----
 +==== with WiringPi ====
 +
 +   #include <wiringPiSPI.h>
 +
 +[[http://wiringpi.com/reference/spi-library/]]\\
 +[[https://projects.drogon.net/raspberry-pi/wiringpi/spi-library/]]\\
 +[[https://projects.drogon.net/raspberry-pi/gertboard/analog-inout/]]\\
 +[[https://projects.drogon.net/understanding-spi-on-the-raspberry-pi/]]\\
 +
 +[[https://www.petervis.com/Raspberry_PI/Gertboard_Raspberry_Pi_Expansion/Gertboard_Digital_to_Analog_Converter.html]]\\
 +[[https://learn.sparkfun.com/tutorials/raspberry-pi-spi-and-i2c-tutorial/all]]\\
 +
 +
 +----
 +==== Links ====
  
 +[[https://skpang.co.uk/blog/archives/689]]\\
 +[[http://www.netzmafia.de/skripten/hardware/RasPi/RasPi_SPI.html]]\\
 +[[https://github.com/eiWare/LibPiSPI]]\\
  
 ---- ----