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https://github.com/jscrane/r65emu.git
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71 lines
1.3 KiB
C++
71 lines
1.3 KiB
C++
#ifndef __PS2DRV_H__
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#define __PS2DRV_H__
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class PS2Driver
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{
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public:
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PS2Driver() {}
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/**
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* Starts the keyboard "service" by registering the external interrupt.
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* setting the pin modes correctly and driving those needed to high.
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* The propably best place to call this method is in the setup routine.
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*/
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void begin(uint8_t dataPin, uint8_t irq_pin);
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/**
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* Returns true if there is a char to be read, false if not.
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*/
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bool available();
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/**
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* Returns the scancode last received from the keyboard.
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* If there is no char available, 0 is returned.
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*/
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unsigned peek();
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unsigned read2();
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};
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#define is_down(scan) ((scan) < 0x100)
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#undef PS2_F1
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#undef PS2_F2
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#undef PS2_F3
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#undef PS2_F4
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#undef PS2_F5
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#undef PS2_F6
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#undef PS2_F7
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#undef PS2_F8
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#undef PS2_F9
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#undef PS2_F10
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#undef PS2_F11
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#undef PS2_F12
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#define PS2_F1 0x05
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#define PS2_F2 0x06
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#define PS2_F3 0x04
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#define PS2_F4 0x0C
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#define PS2_F5 0x03
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#define PS2_F6 0x0B
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#define PS2_F7 0x83
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#define PS2_F8 0x0A
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#define PS2_F9 0x01
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#define PS2_F10 0x09
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#define PS2_F11 0x78
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#define PS2_F12 0x07
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#define PS2_KP_DOT 0x71
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#define PS2_KP_0 0x70
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#define PS2_KP_1 0x69
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#define PS2_KP_2 0x72
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#define PS2_KP_3 0x7a
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#define PS2_KP_4 0x6b
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#define PS2_KP_5 0x73
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#define PS2_KP_6 0x74
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#define PS2_KP_7 0x6c
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#define PS2_KP_8 0x75
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#define PS2_KP_9 0x7d
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#endif
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