tag:dreamwidth.org,2009-04-20:105601 Craft and Tech Notebook chebe 2019-01-13T21:31:25Z tag:dreamwidth.org,2009-04-20:105601:90294 2015-09-19T18:33:45Z 2019-01-13T21:31:25Z public 0 Further experiments with the LCD screen.<br /><br />Install two libraries;<br /><a href="https://github.com/adafruit/Adafruit_ILI9340">Adafruit_ILI9340</a><br /><a href="https://github.com/adafruit/Adafruit-GFX-Library">Adafruit_GFX</a><br /><br /><br />Uno pins;<br />- 13/SCLK to SCLK<br />- 12/MISO to MISO (not needed)<br />- 11/MOSI to MOSI<br />- 10/SS to CS<br />- 9 to DC<br />- 8 to RST<br /><br /><p class="image" style="text-align:center;"><a href="https://lostaurora.net/gallery/galleries/blog/269732_original.jpg"><img width="400" alt="Arduino Uno breadboarded to 2.2inch LCD" src="https://lostaurora.net/gallery/galleries/blog/269732_original.jpg" height="400" border="0"></a><br /><br /><strong>Uno works smoothly</strong><br /><em>Photo by <a href="http://chebe.dreamwidth.org/">chebe</a></em></p><br /><br /><br /><br />LilyPad Maincontroller pins;<br />- 13/SCLK to SCLK<br />- 12/MISO to MISO (not needed)<br />- 11/MOSI to MOSI<br />- 10 to CS<br />- 9 to DC<br />- 8 to RST<br /><br /><p class="image" style="text-align:center;"><a href="https://lostaurora.net/gallery/galleries/blog/269317_original.jpg"><img width="400" alt="Arduino Lilypad Maincontroller breadboarded to 2.2inch LCD" src="https://lostaurora.net/gallery/galleries/blog/269317_original.jpg" height="225" border="0"></a><br /><br /><strong>Lilypad Maincontroller works as well!</strong><br /><em>Photo by <a href="http://chebe.dreamwidth.org/">chebe</a></em></p><br /><br /><img src="https://www.dreamwidth.org/tools/commentcount?user=chebe&ditemid=90294" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/> comments tag:dreamwidth.org,2009-04-20:105601:89919 2015-09-16T22:05:18Z 2019-01-13T21:30:40Z public 0 Take one cute little <a href="http://www.adafruit.com/products/1480">Adafruit 2.2" LCD(isplay)</a>, and make it work with BBB.<br /><br />Wire up as per <a href="http://matthewcmcmillan.blogspot.ie/2014/09/experimenting-with-beaglebone-black-and-tft.html">this post</a>.<br />Connections;<br />- (DL not connected)<br />- BBB SCLK pin P9_22 to TFT SCK (yellow)<br />- (MISO not connected)<br />- BBB MOSI pin P9_18 to TFT MOSI (blue)<br />- BBB CE0 pin P9_17 to TFT CS (green)<br />- (SDCS not connected)<br />- BBB pin P9_12 to TFT RST (orange)<br />- BBB pin P9_15 to TFT D/C (purple/white)<br />- BBB 3.3V power pin P9_3 to TFT Vin (red)<br />- BBB ground pin P9_2 to TFT GND (black)<br /><br /><br />Then following the <a href="https://learn.adafruit.com/user-space-spi-tft-python-library-ili9341-2-8?view=all">Adafruit tutorial</a>;<br /><br />Enable SPI(nterface);<br />- Add this line to /boot/uEnv.txt<br /><code>optargs=capemgr.enable_partno=BB-SPIDEV0</code><br />- And reboot<br /><br />Install all the things<br /><br />Edit the python scripts in the examples directory to comment out the raspi pins and uncomment the BBB pins. Run. See cat. Be happy.<br /><br /><p class="image" style="text-align:center;"><a href="https://lostaurora.net/gallery/galleries/blog/268901_original.jpg"><img width="532" alt="BeagleBone Black (in blue case) breadboarded to 2.2inch LCD" src="https://lostaurora.net/gallery/galleries/blog/268901_original.jpg" height="300" border="0"></a><br /><br /><strong>Beagles and cats get along just fine</strong><br /><em>Photo by <a href="http://chebe.dreamwidth.org/">chebe</a></em></p><br /><br /><img src="https://www.dreamwidth.org/tools/commentcount?user=chebe&ditemid=89919" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/> comments