OS-9 Device Descriptor and Configuration Module Reference
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OS-9 Device Descriptor and Configuration Module Reference

OS-9 Device Descriptor and Configuration Module Reference OS-9 Device Descriptor and Configuration Module Reference

rab.ict.pwr.wroc.pl
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13.07.2015 Views

6PCFTMDevice Descriptors MICROWAREpd_cntlCONTROLEditMod Labels3-PCF path options13-control wordDescriptionThis is the device control word.Port Generic Default ValueMacroCTRL_MULTIEditMod0x1Port Specific Override ValueRefer to PCF//DESC/config.des (Figure 6-3).Available ValuesControl word values are defined in the header file, PCF.h, and in Table6-14.Table 6-14 pd_cntl Available ValuesDescription Macro EditModDisable formatting of the device CTRL_FMTDIS 0x0Device is capable of multi-sectortransfersCTRL_MULTI0x1556 OS-9 Device Descriptor and Configuration Module Reference

PCF Device DescriptorsTable 6-14 pd_cntl Available Values (continued)6Description Macro EditModDevice size can be obtained fromdeviceDevice requires only one formatcommandDevice needs a full track buffer forformatCTRL_AUTOSIZECTRL_FMTENTIRECTRL_TRKWRITE0x20x30x4OS-9 Device Descriptor and Configuration Module Reference 557

PCF <strong>Device</strong> <strong>Descriptor</strong>sTable 6-14 pd_cntl Available Values (continued)6Description Macro EditMod<strong>Device</strong> size can be obtained fromdevice<strong>Device</strong> requires only one formatcomm<strong>and</strong><strong>Device</strong> needs a full track buffer forformatCTRL_AUT<strong>OS</strong>IZECTRL_FMTENTIRECTRL_TRKWRITE0x20x30x4<strong>OS</strong>-9 <strong>Device</strong> <strong>Descriptor</strong> <strong>and</strong> <strong>Configuration</strong> <strong>Module</strong> <strong>Reference</strong> 557

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