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macmini
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Mac(intosh) mini
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macmini
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<p align="center"> <img align="center" width="300px" height="auto" src="./images/mm2_sd.gif"> </p> # Mac(intosh) mini ## Build Instruction - Print the outer shell. - PLA, 0.2 mm, 180 ℃ (See also [./openscad/README.md](./openscad/README.md)) - `macintosh-mini-part-a.stl` ([stl](./openscad/macintosh-mini-part-a.stl)) - `macintosh-mini-part-b.stl` ([stl](./openscad/macintosh-mini-part-b.stl)) <img align="center" width="60%" height="auto" src="./openscad/images/models.png"> - Setup your Orange Pi Zero Plus 2 (H3) - Install Armbian Bionic. https://www.armbian.com/orange-pi-zero-plus-2-h3/ - Then SSH into the device. ```bash $ sudo apt install -y git tightvncserver # Install Node.js $ git clone https://github.com/tj/n /tmp/n && cd /tmp/n && sudo make install $ sudo n v10 # Install https://github.com/xpertsavenue/WiringOP-Zero $ cd ~/ $ git clone https://github.com/xpertsavenue/WiringOP-Zero ## Please refer to https://github.com/xpertsavenue/WiringOP-Zero # Enable SPI1 interface $ sudo vi /boot/armbianEnv.txt # or use armbian-config ! overlays=spi-spidev analog-codec usbhost2 usbhost3 + param_spidev_spi_bus=1 # Setup vncserver $ mkdir ~/.vnc $ vncpasswd ~/.vnc/passwd # Install the dependencies & config files $ git clone https://github.com/likeablob/macmini ~/macmini $ cd ~/macmini $ sudo ./install.sh # Copy your assets $ cp /path/to/vmac.rom ~/macmini/minivmac/vMac.ROM # Mini vMac ROM file $ cp /path/to/vmac.dsk ~/macmini/minivmac/system.dsk # Mini vMac disk file $ cp /path/to/.basilisk_ii_prefs ~/.basilisk_ii_prefs # Basilisk II config file $ cp /path/to/macboot.wav ~/macmini/macboot.wav # Boot sound (optional) # Reboot to apply the settings $ sudo reboot now # Select LineOut as the default sink $ pacmd list-sinks | grep -e 'name:' -e 'index:' index: 0 name: <alsa_output.platform-1c22c00.codec.analog-mono> # LineOut * index: 1 name: <alsa_output.platform-soc_sound.stereo-fallback> # HDMI $ pactl set-default-sink 0 # or use `DISPLAY=:1 pavucontrol` and `alsamixer` to adjust volume ``` - [Tips]: Here is my working [.basilisk_ii_prefs](basilisk_ii_prefs.md). - Wire the display & USB boards to the OPi <img align="center" width="auto" height="400px" src="./images/mm_s_8.jpg"> | OPi | Peripherals | | -------------- | -------------------------- | | PA15/SPI1_MOSI | LCD MOSI | | PA16/SPI1_MISO | LCD MISO | | PA14/SPI1_CLK | LCD CLK | | PA13/SPI1_CS | LCD CS | | PS12 | LCD RESET | | PA11 | LCD DC | | PA06 | Push Switch | | GND | Push Switch | | USB-DP2 | USB (Front) Data+ | | USB-DM2 | USB (Front) Data- | | 5V | USB (Front/Rear) 5V | | GND | USB (Front/Rear) GND | | LINEOUTL | (Optional) Amplifier Input | - [Tips]: Pinout can be found below. - OPiZero - https://linux-sunxi.org/Xunlong_Orange_Pi_Zero_Plus - http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=2236 - LCD (Note that there might be some variants.) - [link1](https://www.solidrop.net/product/free-ship-5pc-lot-2-4inch-spi-tft-lcd-screen-18pin-240-320-color-lcd-drive-ic-ili9341-4io-only-for-stm32-mcu-raspberry-pi.html) [link2](https://github.com/myelin/tiny-tft/blob/master/TJC-024-9341-18-pin-SPI-240x320-ili9341-2.4-inch-touch/chinese-driver/TJC-024-9341.pdf) - [backup](./images/lcd-ili9341-pinout.jpg) ## Basic Concepts 1. At system boot, [`fbtft_device`](./config/fbtft.conf) kernel module is loaded and it initializes the LCD as `/dev/fb0`. 2. `nodm` starts an X session and `~/.xinitrc` get executed. 3. `~/.xinitrc` launchs `matchbox-window-manager` and `~/macmini/switcher/*js`. 4. `~/macmini/switcher/index.js` reads the scripts [`~/macmini/switcher/sh.d/*sh`](./switcher/sh.d/) and spawns them one by one when there is a HTTP GET request at `localhost:5501/`. 5. `~/macmini/switcher/gpio-reader.js` watchs the push SW at GPIO7(PA06) and send a request to `localhost:5501/`. ### How does the low-res LCD(320x240) handle 512x384 resolution? Internally `tightvncserver` and `ssvncviewer` are used to scale the display. - e.g. [`1_large_minimac.sh`](./switcher/sh.d/1_large_minimac.sh) launches: - `tightvncserver` to create a virtual display (512x384) at `DISPLAY=:1` (`:5901`) - `minivmac` in `DISPLAY:1` - `ssvncviewer -scale 0.625` in `DISPLAY:0` (By the `-scale` option, low-res LED get upscaled) ## Gallery | <img align="center" width="auto" height="200px" src="./images/mm_s_5.jpg"> | <img align="center" width="auto" height="200px" src="./images/mm_s_7.jpg"> | | :-------------------------------------------------------------------------: | :-------------------------------------------------------------------------: | | <img align="center" width="auto" height="200px" src="./images/mm_s_20.jpg"> | <img align="center" width="auto" height="200px" src="./images/mm_s_14.jpg"> | | <img align="center" width="auto" height="200px" src="./images/mm_s_10.jpg"> | <img align="center" width="auto" height="200px" src="./images/mm_s_23.jpg"> | | <img align="center" width="auto" height="200px" src="./images/mm_s_9.jpg"> | <img align="center" width="auto" height="200px" src="./images/mm3_sd.gif"> | ## BOM | Name | Quantity | Descriptions | | ------------------------------------------------------- | :------: | ----------------------- | | OrangePi Zero Plus 2 (H3) | 1 | H5 ver. might work too. | | 2.4inch SPI Display (ili9341, 320x240, with flat cable) | 1 | | | Generic micro-USB Breakout Board | 2 | | | M2 x 6 mm Self Tapping Screw | 16 | | | D10mm Rounding Magnet | 2 | | | 7x7 mm Push Switch | 1 | | | 2W Small Speaker | 1 | (Optional) | | ClassD Audio Amplifier Board | 1 | (Optional) PAM8403 | ## Acknowledgments - Mini vMac https://www.gryphel.com/c/minivmac/ - Basilisk II https://basilisk.cebix.net/ - Kudos to all the devs!
