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r65emu/ps2drv.h
2016-01-29 22:24:05 +00:00

71 lines
1.3 KiB
C++

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