diff options
Diffstat (limited to 'man4/mouse.4')
-rw-r--r-- | man4/mouse.4 | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/man4/mouse.4 b/man4/mouse.4 deleted file mode 100644 index 21ff1a2..0000000 --- a/man4/mouse.4 +++ /dev/null @@ -1,171 +0,0 @@ -'\" t -.\" This manpage is Copyright (C) 1996 Michael Haardt. -.\" Updates Nov 1998, Andries Brouwer -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.TH mouse 4 2023-10-31 "Linux man-pages 6.7" -.SH NAME -mouse \- serial mouse interface -.SH CONFIGURATION -Serial mice are connected to a serial RS232/V24 dialout line, see -.BR ttyS (4) -for a description. -.SH DESCRIPTION -.SS Introduction -The pinout of the usual 9 pin plug as used for serial mice is: -.P -.TS -center; -r c l. -pin name used for -2 RX Data -3 TX \-12 V, Imax = 10 mA -4 DTR +12 V, Imax = 10 mA -7 RTS +12 V, Imax = 10 mA -5 GND Ground -.TE -.P -This is the specification, in fact 9 V suffices with most mice. -.P -The mouse driver can recognize a mouse by dropping RTS to low and raising -it again. -About 14 ms later the mouse will send 0x4D (\[aq]M\[aq]) on the data line. -After a further 63 ms, a Microsoft-compatible 3-button mouse will send -0x33 (\[aq]3\[aq]). -.P -The relative mouse movement is sent as -.I dx -(positive means right) -and -.I dy -(positive means down). -Various mice can operate at different speeds. -To select speeds, cycle through the -speeds 9600, 4800, 2400, and 1200 bit/s, each time writing the two characters -from the table below and waiting 0.1 seconds. -The following table shows available speeds and the strings that select them: -.P -.TS -center; -l l. -bit/s string -9600 *q -4800 *p -2400 *o -1200 *n -.TE -.P -The first byte of a data packet can be used for synchronization purposes. -.SS Microsoft protocol -The -.B Microsoft -protocol uses 1 start bit, 7 data bits, no parity -and one stop bit at the speed of 1200 bits/sec. -Data is sent to RxD in 3-byte packets. -The -.I dx -and -.I dy -movements are sent as -two's-complement, -.I lb -.RI ( rb ) -are set when the left (right) -button is pressed: -.P -.TS -center; -r c c c c c c c. -byte d6 d5 d4 d3 d2 d1 d0 -1 1 lb rb dy7 dy6 dx7 dx6 -2 0 dx5 dx4 dx3 dx2 dx1 dx0 -3 0 dy5 dy4 dy3 dy2 dy1 dy0 -.TE -.SS 3-button Microsoft protocol -Original Microsoft mice only have two buttons. -However, there are some -three button mice which also use the Microsoft protocol. -Pressing or -releasing the middle button is reported by sending a packet with zero -movement and no buttons pressed. -(Thus, unlike for the other two buttons, the status of the middle -button is not reported in each packet.) -.SS Logitech protocol -Logitech serial 3-button mice use a different extension of the -Microsoft protocol: when the middle button is up, the above 3-byte -packet is sent. -When the middle button is down a 4-byte packet is -sent, where the 4th byte has value 0x20 (or at least has the 0x20 -bit set). -In particular, a press of the middle button is reported -as 0,0,0,0x20 when no other buttons are down. -.SS Mousesystems protocol -The -.B Mousesystems -protocol uses 1 start bit, 8 data bits, no parity, -and two stop bits at the speed of 1200 bits/sec. -Data is sent to RxD in -5-byte packets. -.I dx -is sent as the sum of the two two's-complement -values, -.I dy -is send as negated sum of the two two's-complement -values. -.I lb -.RI ( mb , -.IR rb ) -are cleared when the left (middle, -right) button is pressed: -.P -.TS -center; -r c c c c c c c c. -byte d7 d6 d5 d4 d3 d2 d1 d0 -1 1 0 0 0 0 lb mb rb -2 0 dxa6 dxa5 dxa4 dxa3 dxa2 dxa1 dxa0 -3 0 dya6 dya5 dya4 dya3 dya2 dya1 dya0 -4 0 dxb6 dxb5 dxb4 dxb3 dxb2 dxb1 dxb0 -5 0 dyb6 dyb5 dyb4 dyb3 dyb2 dyb1 dyb0 -.TE -.P -Bytes 4 and 5 describe the change that occurred since bytes 2 and 3 -were transmitted. -.SS Sun protocol -The -.B Sun -protocol is the 3-byte version of the above 5-byte -Mousesystems protocol: the last two bytes are not sent. -.SS MM protocol -The -.B MM -protocol uses 1 start bit, 8 data bits, odd parity, and one -stop bit at the speed of 1200 bits/sec. -Data is sent to RxD in 3-byte -packets. -.I dx -and -.I dy -are sent as single signed values, the -sign bit indicating a negative value. -.I lb -.RI ( mb , -.IR rb ) -are -set when the left (middle, right) button is pressed: -.P -.TS -center; -r c c c c c c c c. -byte d7 d6 d5 d4 d3 d2 d1 d0 -1 1 0 0 dxs dys lb mb rb -2 0 dx6 dx5 dx4 dx3 dx2 dx1 dx0 -3 0 dy6 dy5 dy4 dy3 dy2 dy1 dy0 -.TE -.SH FILES -.TP -.I /dev/mouse -A commonly used symbolic link pointing to a mouse device. -.SH SEE ALSO -.BR ttyS (4), -.BR gpm (8) |