APPENDIX I
$0D Interrogate Mouse Position
T his fu nctio n is u se d to re ad th e m o u se p ositio n w h en in ab so lu te po sitio n
m od e. T h e o n ly o th e r w a y to g e t th e m ou se p ositio n from th at m o d e is to
se t th e m ou se b u tto n s to re p o rt on a p res s o r rele ase, u sin g co m m a n d $ 0 7.
Input parameters
N o n e
Packet returned
Byte
Number Description
1 $ F 7 (m o u se ab so lu te p osition p a c k et h ea d er)
2 B u tto n ch a n g e sta tu s:
B it 0 = 1 R ig h t b u tto n p re sse d sin ce las t rea d
B it 1 = 1 R ig h t b u tto n rele ase d sin ce last read
Bit 2 = 1 L eft b u tto n p re sse d sin ce las t rea d
B it 3 = 1 L eft b u tto n re lea sed sin ce las t rea d
3 H igh b y te o f h oriz on tal p osition
4 L ow b y te of ho riz on tal p ositio n
5 H ig h b yte of v ertical p ositio n
7 L o w b y te o f v ertical p ositio n
352
To Next Page
