Rockwell Automation 2711P Software Development Kit User Manual - Manual (Page 25)

Publication 2711P-UM005A-EN-P - March 2007
Introduction to the PanelView Plus CE Terminal 25
allows for interchange of Display Module without reprogramming the
Logic Module.
An application program should not require direct access to the
Display Module configuration information. As such the Bezel EEPROM
API are not published in this Manual. Much of the configuration
information is either conveniently and appropriately mirrored in the
Registry or accessible via a System Parameter.
PCI Bus
The PCI bus supports the PCMCIA controllers and the external PCI
expansion slot. From a PCI configuration standpoint, the virtual slot
number of a device plugged in the slot is 1. The operating system
supports basic configuration, interrupt control, memory management
and IO access for PCI cards plugged into this slot. The operating
system does not support bus-mastering by the PCI slot device.
PCMCIA
New or upgraded application programs and/or the operating system
can be copied from the PCMCIA memory card to the internal
CompactFlash to replace and/or upgrade the existing components.
The PCMCIA device is hot-pluggable and a CompactFlash card in the
external slot shows up instantly as \Storage Card2. Furthermore, the
system shell is constantly monitoring the external slot for card
insertions and arrival of a program named AutoRun.exe. Whenever, an
AutoRun program is presented to the system, the program is
immediately executed from \Storage Card2. This is a convenient, yet
powerful feature, wherein any program (re)named AutoRun.exe that
resides on a CompactFlash card can be executed on PanelView Plus
CE device simply by plugging in the card.
Run Time Environment
Path
The notion of a path to executable files is much the same as with any
other Windows or DOS system. However, unlike other systems, which
refer to an environment variable for path settings, Windows CE
utilizes a registry entry. Thus, the path can be set only by editing the