64 lines
1.1 KiB
Text
64 lines
1.1 KiB
Text
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== main.cu, /os/main ==
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OBJ keyboard : "/io/keyboard";
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OBJ console : "/io/console";
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PUB main() | c : TEXT
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BEGIN
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keyboard.waitForDriver();
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# selects the current thread for reading keyboard input
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keyboard.setFocus();
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WHILE TRUE DO
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keyboard.getChar() → c;
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console.put(c);
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END
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END
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== keyboard.cu, /io/keyboard ==
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TYPE KeyData IS
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…
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END
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SHARED VAR buffer : KeyData;
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SHARED PRI init()
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BEGIN
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# Initialize shared data with necessary non-nil pointer
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[KeyData] → buffer;
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NED
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PUB sendKeyHit(keycode : INT)
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BEGIN
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…
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END
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PUB sendKeyRelease(keycode : INT)
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BEGIN
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…
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END
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PUB getChar() → c : TEXT
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BEGIN
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# We just always send a nice little k instead of reading actual key pressed... :P
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"k" → c;
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END
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== keyboard.driver.cu, /drv/keyboard ==
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OBJ interrupts : "/sys/interrupts";
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OBJ keyboard : "/io/keyboard";
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PRI irq(id : INT, cpu : CPUSTATE) | breakcode : BOOL, key : INT
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BEGIN
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IF id =/= 0x21 THEN
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RETURN;
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END
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# Code that reads scancodes and translates them to keycodes.
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…
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IF breakcode THEN
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keyboard.sendKeyRelease(key);
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ELSE
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keyboard.sendKeyHit(key);
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END
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END
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