Tews Technologies TPMC118-SW-95, Руководство пользователя

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TPMC118-SW-95 – QNX6 Neutrino Device Driver Page 3 of 30
Table of Content
1 INTRODUCTION......................................................................................................... 4
2 INSTALLATION.......................................................................................................... 5
2.1 Build the device driver ...................................................................................................................5
2.2 Start the driver process..................................................................................................................6
3 DEVICE INPUT/OUTPUT FUNCTIONS ..................................................................... 7
3.1 open() ...............................................................................................................................................7
3.2 close()...............................................................................................................................................8
3.3 devctl() .............................................................................................................................................9
3.3.1 DCMD_TP118_READENC ................................................................................................11
3.3.2 DCMD_TP118_READINP..................................................................................................13
3.3.3 DCMD_TP118_SETDAC ...................................................................................................15
3.3.4 DCMD_TP118_SETRES ...................................................................................................17
3.3.5 DCMD_TP118_SETPRELD...............................................................................................19
3.3.6 DCMD_TP118_SETMODE ................................................................................................21
3.3.7 DCMD_TP118_SYNCON ..................................................................................................23
3.3.8 DCMD_TP118_SYNCOFF ................................................................................................25
3.3.9 DCMD_TP118_SYNCREAD..............................................................................................27
3.3.10 DCMD_TP118_SETINTR ..............................................................................................29