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--- orangepizero:orangepizero [2017/11/09 00:43]
brett created
+++ orangepizero:orangepizero [2017/11/09 00:58]
brett
@@ Line 1: / Line 1: @@
 ====== Orange Pi Zero ======
+{{https://www.armbian.com/wp-content/uploads/2016/11/orangepizero.png}}
 This diminutive single board computer powered by a quad core H2 processor can be purchased for very little.  At the time of writing $6.99 from [[https://www.aliexpress.com/store/product/New-Orange-Pi-Zero-H2-Quad-Core-Open-source-development-board-beyond-Raspberry-Pi/1553371_32760774493.html|Alibaba]] + shipping.
@@ Line 6: / Line 8: @@
 For serial access I used a FTDI USB board.  This can supply 3.3v via a jumper and from what I read the Orange PI Zero does not like 5v.
+{{http://genupicture.com/images/genu/BI/GENU-BI00171.jpg?300}}
-[[http://genupicture.com/images/genu/BI/GENU-BI00171.jpg]]
+A good article on getting setup http://codelectron.com/how-to-setup-orange-pi-zero/
 I tried a couple of operating systems. I found that RaspbianOS made the SoC run really hot circa 70C you can't keep your finger on its surface for too long.
@@ Line 30: / Line 33: @@
 CPU temp:      53°C
 Usage of /:    82% of 1.4G
+</code>
+===== Adding an LCD =====
+This is the LCD Unit I picked up off ebay - http://www.ebay.com/itm/112411177768
+{{:orangepizero:st7735s.png?200|}}
+Wiring as per this: http://www.instructables.com/id/Orange-Pi-Zero-Connect-TFT-SPI-ST7735/
+Plumbing the device driver in
+<code>
+root@orangepizero:~# modprobe fbtft_device name=adafruit18 gpios=reset:1,dc:0,led:3 speed=16000000 fps=25 rotate=90 busnum=1
+root@orangepizero:~# dmesg | tail -20
+[   12.173627] vmouse_input_dev_open
+[   12.231171] vmouse_input_dev_close
+[   19.578663] gmac0: probed
+[   19.579056] gmac0 gmac0: eth0: eth0: PHY ID 00441400 at 0 IRQ poll (gmac0-0:00)
+[   19.690572] [STA] !!!xradio_vif_setup: id=0, type=2, p2p=0
+[   19.771829] ADDRCONF(NETDEV_UP): wlan0: link is not ready
+[   22.570352] PHY: gmac0-0:00 - Link is Up - 100/Full
+[   40.719165] fbtft_device:  SPI devices registered:
+[   40.719232] fbtft_device:      spidev spi0.0 33000kHz 8 bits mode=0x00
+[   40.719285] fbtft_device:      spidev spi1.0 33000kHz 8 bits mode=0x00
+[   40.719326] fbtft_device:  'fb' Platform devices registered:
+[   40.719577] fbtft_device: Deleting spi1.0
+[   40.721361] fbtft_device:  GPIOS used by 'adafruit18':
+[   40.721410] fbtft_device:    'reset' = GPIO1
+[   40.721445] fbtft_device:    'dc' = GPIO0
+[   40.721478] fbtft_device:    'led' = GPIO3
+[   40.721509] fbtft_device:  SPI devices registered:
+[   40.721554] fbtft_device:      spidev spi0.0 33000kHz 8 bits mode=0x00
+[   40.721603] fbtft_device:      fb_st7735r spi1.0 16000kHz 8 bits mode=0x00
+[   41.656063] graphics fb8: fb_st7735r frame buffer, 160x128, 40 KiB video memory, 4 KiB buffer memory, fps=25, spi1.0 at 16 MHz
+root@orangepizero:~# fbset -fb /dev/fb8
+mode "160x128"
+    geometry 160 128 160 128 16
+    timings 0 0 0 0 0 0 0
+    nonstd 1
+    rgba 5/11,6/5,5/0,0/0
+endmode
+root@orangepizero:~#
+</code>
+To display an image
+{{ :orangepizero:white-sandy-beach-of-the-derawan-islands-wallpaper-160x128-604.jpg|}}
+<code>
+root@orangepizero:~# apt-get install fbi
+root@orangepizero:~# fbi -T 1 --noverbose -d /dev/fb8 white-sandy-beach-of-the-derawan-islands-wallpaper-160x128-604.jpg
+</code>
+See the LCD showing the [[https://photos.app.goo.gl/5N7Qz8vrU4jntWQA2|image]]
+This video clip off of [[https://www.youtube.com/watch?v=UFxYWNF0-oE|you tube]]
+Easily played to the framebuffer on the LCD.  Watch the [[https://photos.app.goo.gl/gNk5eU3wh93iI8SN2|video]]
+<code>
+# mplayer -vo fbdev:/dev/fb8 Formula\ 1\ \(160x128\).mp4
 </code>