di0ib/tmk_keyboard_custom
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Add ADB extended keyboard support by blargg@GH.

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This offers distinction between left/right modifiers.
This commit is contained in:
tmk 2012-12-12 09:45:00 +09:00
parent 887563e89e
commit 80f99bf022
2 changed files with 20 additions and 5 deletions
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24
protocol/adb.c
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@ -67,6 +67,12 @@ void adb_host_init(void)
#ifdef ADB_PSW_BIT #ifdef ADB_PSW_BIT
psw_hi(); psw_hi();
#endif #endif
// Enable keyboard left/right modifier distinction
// Addr:Keyboard(0010), Cmd:Listen(10), Register3(11)
// upper byte: reserved bits 0000, device address 0010
// lower byte: device handler 00000011
adb_host_listen(0x2B,0x02,0x03);
} }
#ifdef ADB_PSW_BIT #ifdef ADB_PSW_BIT
@ -98,19 +104,27 @@ uint16_t adb_host_kbd_recv(void)
return data; return data;
} }
// send state of LEDs void adb_host_listen(uint8_t cmd, uint8_t data_h, uint8_t data_l)
void adb_host_kbd_led(uint8_t led)
{ {
attention(); attention();
send_byte(0x2A); // Addr:Keyboard(0010), Cmd:Listen(10), Register2(10) send_byte(cmd);
place_bit0(); // Stopbit(0) place_bit0(); // Stopbit(0)
_delay_us(200); // Tlt/Stop to Start _delay_us(200); // Tlt/Stop to Start
place_bit1(); // Startbit(1) place_bit1(); // Startbit(1)
send_byte(0); // send upper byte (not used) send_byte(data_h);
send_byte(led&0x07); // send lower byte (bit2: ScrollLock, bit1: CapsLock, bit0: NumLock) send_byte(data_l);
place_bit0(); // Stopbit(0); place_bit0(); // Stopbit(0);
} }
// send state of LEDs
void adb_host_kbd_led(uint8_t led)
{
// Addr:Keyboard(0010), Cmd:Listen(10), Register2(10)
// send upper byte (not used)
// send lower byte (bit2: ScrollLock, bit1: CapsLock, bit0:
adb_host_listen(0x2A,0,led&0x07);
}
static inline void data_lo() static inline void data_lo()
{ {

1
protocol/adb.h
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@ -56,6 +56,7 @@ POSSIBILITY OF SUCH DAMAGE.
void adb_host_init(void); void adb_host_init(void);
bool adb_host_psw(void); bool adb_host_psw(void);
uint16_t adb_host_kbd_recv(void); uint16_t adb_host_kbd_recv(void);
void adb_host_listen(uint8_t cmd, uint8_t data_h, uint8_t data_l);
void adb_host_kbd_led(uint8_t led); void adb_host_kbd_led(uint8_t led);
#endif #endif