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參數(shù)資料
| 型號(hào)： | GL310MC4D |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | GL310MC PS/2 4D Mouse Controller |
| 中文描述： | GL310MC的PS / 2 4D滑鼠控制器 |
| 文件頁(yè)數(shù)： | 10/18頁(yè) |
| 文件大?。?/td> | 232K |
| 代理商： | GL310MC4D |
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Revision 1.0 July/16/1998
9
GL310MC PS/2 4D Mouse Controller
$F4
Enable.
Begin sends motion data packets if in Stream mode. To avoid undesirable bus
contention, driver software should send the Enable as the very last command in its PS/2
initialization sequence.
Note that a PS/2 device includes two distinct state bits: the enable/disable flag controlled by
commands $F4 and $F5, and the Stream/Remote flag controlled by commands $EA and $FO. The
flags are independent, and both must be set properly (enabled, Stream mode) for the device to send
motion packets. The intention is that disabled Stream mode means the host is not interested in
motion packets, while Remote mode means the host plans to poll explicitly for motion data.
$F3
Set Sample Rate.
Followed by one argument byte, this command sets the PS/2 "Sample rate"
parameter to the specified value in samples per second. Legal values are 10, 20, 40, 60, 80,
100, and 200 (decimal) samples per second. The mouse records this value and will respond
properly to a later Status Request ($E9) command.
$F2
Read Device Type.
The response is an ACK ($FA) followed by a $00 device ID byte.
$F0
Set Remote Mode.
Switch to Remote mode, as distinct from the default Steam mode. In
Remote mode, the device sends motion data packets only in response to a Read Data ($EB)
command.
$EE
Set Wrap Mode.
Switch into special "echo" or "Wrap" mode. In this mode, all bytes sent to
the device except Reset ($FF) and Reset Wrap Mode ($EC) are echoed back verbatim. No
motion data packets are sent in Wrap mode.
$EC
Reset Wrap Mode.
If the device is in Wrap mode, it returns to its previous mode of
operation except that Stream mode data reporting is disabled. If the device is not in Wrap
mode, this command has no effect.
$EB
Read Data.
The device replies with an ACK ($FA) followed by a 3-byte motion data packet
as described below. This command may be used in any mode; in Remote mode, it is the only
way to get a data packet. If the host is polling regularly, it is best to set the device to Remote
mode. The packet is transmitted even if no motion or button events have occurred.
$EA
Set Stream Mode.
Switch to Stream mode, the default mode of operation. In this mode,
motion data packets are sent to the host whenever finger motion or button events occur and
data reporting has been enabled.
$E9
Status Request.
Response is an ACK ($FA), followed by a 3-byte status packet consisting
of the following data:
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