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- // Basic support for ADB keyboard
-
- #ifndef ADB_BLARGG_H
- #define ADB_BLARGG_H
-
- #include <stdint.h>
- #include <stdbool.h>
-
- // Sets up ADB bus. Doesn't send anything to keyboard.
- void adb_host_init( void );
-
- // Receives key press event from keyboard.
- // 0xKKFF: one key changed state
- // 0xKKKK: two keys changed state
- enum { adb_host_nothing = 0 }; // no keys changed state
- enum { adb_host_error = 0xFFFE }; // receive error
- uint16_t adb_host_kbd_recv( void );
-
- // Current state of keyboard modifiers and a few other keys
- // Returns adb_host_nothing if keyboard didn't respond.
- // Returns adb_host_error if error receiving.
- uint16_t adb_host_kbd_modifiers( void );
-
- // Sends command and two bytes of data to keyboard
- void adb_host_listen( uint8_t cmd, uint8_t data_h, uint8_t data_l );
-
- // Sets keyboard LEDs. Note that bits are inverted here, so 1 means off, 0 means on.
- void adb_host_kbd_led( uint8_t led );
-
- // State of power switch (false = pressed), or true if unsupported
- bool adb_host_psw( void );
-
-
- // Legacy support
- #define ADB_POWER 0x7F
- #define ADB_CAPS 0x39
-
- #endif
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