Linux PDAにおける外付けキーボードの設計と実装

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1 Linux Conference 2003 Linux PDA F 1

2 1. UNIX SL -PDA Linux 2. SL SL 2

3 UNIX UNIX PC PDA UNIX UNIX 3

4 4

5 Linux PDA SL 2002 PDA (Personal Digital Assistant) PDA Linux PIM Personal Information Management Linux PDA Linux 5

6 SL 6

7 SL SL-A300, SL-B500, SL-C7x0 3 Intel XScale PXA210/ 250/ 255, SDRAM 64M, FLASH 128M Embedix/ OpenPDA Linux Qt/ Embedded, Qtopia 2.4.x Linux 32M UNIX ipkg 7

8 AV UNIX OS 8

9 SL B500 C7x0 PDA UNIX Ct rl ESC Ct rl+ KeyHelper 9

10 SL 10

11 I/ F? USB (RS-232C) /dev/ttys0 IrDA /dev/ttys1 11

12 SL USB USB on the Go 12

13 USB 1 A B A 2 B A B SL B

14 PS/ 2 PC-9801 TTL/ C-MOS RS-232C 38kHz 14

15 PS/ 2 4 (Vcc, GND, DATA, CLK) PC CPU

16 PS/ 2 DATA START bit bit0 bit1 bit2 bit3 bit4 bit5 bit6 bit7 par STOP bit CLK CLK DATA DATA ACK CLK CLK DATA 16

17 PC-9801 TTL/ C-MOS 19200bps 8 RS232C i

18 PS/ 2 IrKB101 (PS/ 2 IrDA) Happy Hackng Cradle (PS/ 2 RS232C) SL 18

19 IrKB101 HHC 19

20 IrKB101 IrKB101 Palm PC PC 9600bps 8 20

21 IrKB101 21

22 HHC PFU 4800bps 22

23 1 IrKB101, HHC PC-UNIX FreeBSD, Linux PS/

24 2 SL? 24

25 script uum, canuum 25

26 stdin stdout/stderr 26

27 2 PS/ 2 HP200LX 27

28 200LX 28

29 3 PC-UNIX FreeBSD, Linux SL UNIX 29

30 HHK 30

31 31

32 VNC (Virtual Network Computing) Qt Pseudo Keyboad Driver PIC PS/ 2 RS232C SL USB?? 32

33 USB, ; USB,, No. 63,, (1998/ 7, CQ ), ISBN , pp ; PS/2,, No. 72, III, (2000/ 10, CQ ), ISBN , pp ; PC98-PS/ 2,, 15, PIC, (2001/ 03, CQ ), ISBN , pp

34 KANSAI OPENSOURCE+ FREEWARE F 5 :-) 34

10 2

10 2 10 2 11 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 16 16 19 17 17 20 21 2 22 18 18 23 24 19 19 25 26 3 OS LAN OS 27 28 PDAPersonal Digital Assistant 29 30 3 31 20 20 32 33 21 21 34 22 22 35 23 23 36 21

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