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Add some information about Audio output

This commit is contained in:
likeablob 2019-10-12 14:07:26 +09:00
parent 98a216b230
commit 783d267e67
1 changed files with 33 additions and 15 deletions
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48
README.md
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@ -27,7 +27,7 @@ $ cd ~/
$ git clone https://github.com/xpertsavenue/WiringOP-Zero
## Please refer to https://github.com/xpertsavenue/WiringOP-Zero
# Enable spi interface
# Enable SPI1 interface
$ sudo vi /boot/armbianEnv.txt # or use armbian-config
! overlays=spi-spidev analog-codec usbhost2 usbhost3
+ param_spidev_spi_bus=1
@ -41,13 +41,22 @@ $ git clone https://github.com/likeablob/macmini ~/macmini
$ cd ~/macmini
$ sudo ./install.sh
# copy your assests
# 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).
@ -55,19 +64,25 @@ $ sudo reboot now
<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 |
| USB-DP2 | USB (Front) Data+ |
| USB-DM2 | USB (Front) Data- |
| 5V | USB (Front/Rear) 5V |
| GND | USB (Front/Rear) GND |
| 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 here.
- https://linux-sunxi.org/Xunlong_Orange_Pi_Zero_Plus
- http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=2236
## Basic Concepts
1. At system boot, [`fbtft_device`](./config/fbtft.conf) kernel module is loaded and it initializes the LCD as `/dev/fb0`.
@ -82,6 +97,7 @@ Internally `tightvncserver` and `ssvncviewer` are used to scale the display.
- `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"> |
| :-------------------------------------------------------------------------: | :-------------------------------------------------------------------------: |
@ -99,6 +115,8 @@ Internally `tightvncserver` and `ssvncviewer` are used to scale the display.
| 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 |
## Acknowledgment
- Mini vMac https://www.gryphel.com/c/minivmac/