Initial version

Signed-off-by: Knut Ahlers <knut@ahlers.me>

.gitignore

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+.pio

README.md

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+# Luzifer / attiny85-mouse
+
+Using [Barrier](https://github.com/debauchee/barrier) and every time you disconnect the mouse from the gaming PC all the games start freaking out and drawing mouse cursors? Just let them think there still is a mouse attached by emulating a mouse doing exactly nothing!
+
+## Requirements
+
+- [AZDelivery Digispark Rev.3 Kickstarter](https://amzn.to/43g5WZk)
+- [Platform.IO](https://platformio.org/) (in my case: [AUR/platformio](https://aur.archlinux.org/packages/platformio))
+- [Micronucleus](https://github.com/micronucleus/micronucleus) (in my case: [AUR/micronucleus](https://aur.archlinux.org/packages/micronucleus))
+
+## Build
+
+```console
+# platformio run -t upload
+Processing attiny85 (platform: atmelavr; board: digispark-tiny; framework: arduino)
+[...]
+Linking .pio/build/attiny85/firmware.elf
+Checking size .pio/build/attiny85/firmware.elf
+Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"
+RAM:   [==        ]  18.0% (used 92 bytes from 512 bytes)
+Flash: [====      ]  44.2% (used 2656 bytes from 6012 bytes)
+Building .pio/build/attiny85/firmware.hex
+Configuring upload protocol...
+AVAILABLE: custom
+CURRENT: upload_protocol = custom
+Uploading .pio/build/attiny85/firmware.hex
+> Please plug in the device (will time out in 60 seconds) ...
+> Device is found!
+connecting: 40% complete
+> Device has firmware version 1.6
+> Available space for user applications: 6012 bytes
+> Suggested sleep time between sending pages: 8ms
+> Whole page count: 94  page size: 64
+> Erase function sleep duration: 752ms
+parsing: 60% complete
+> Erasing the memory ...
+erasing: 80% complete
+> Starting to upload ...
+writing: 100% complete
+>> Micronucleus done. Thank you!
+```

platformio.ini

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+[env:attiny85]
+board = digispark-tiny
+framework = arduino
+platform = atmelavr
+
+board_build.f_cpu = 16500000L
+board_build.mcu = attiny85
+
+upload_command = micronucleus --timeout 60 $SOURCE
+upload_protocol = custom

src/main.ino

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+#include <DigiMouse.h>
+
+void setup(){
+  DigiMouse.begin();
+}
+ 
+void loop() {
+  for(;;) {
+    DigiMouse.delay(10000);
+  }
+}