Campbell Scientific CR1000KD CR1000 Measurement and Control System - Page 399
Support Software, 8 Using the Keyboard Display
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Section 8. Operation Table 106. NewestFile API Command Parameters expr Specifies the complete path and wildcard expression for the desired set of files1. expr=USR:*.jpg selects the newest of the collection of files on the USR: drive that have a .jpg extension. 1 The PC based web server will restrict the paths on the host computer to those that are allowed in the applicable site configuration file (.sources.xml). This is done to prevent web access to all file systems accessible to the host computer. Example: http://192.168.24.106/?command=NewestFile&expr=USR:*.jpg Response: the web server collects the newest JPG file on the USR: drive of the host CR1000 Note to retrieve any file, regardless of age, the url is http://ip_address/drive/filename.ext. The name of the desired file is determined using the ListFiles command. NewestFile Response The web server will transmit the contents of the newest file that matches the expression given in expr. If there are no matching files, the server responds with a 404 Not Found HTTP response code. 8.7 Support Software Software products are available from Campbell Scientific to facilitate CR1000 programming, maintenance, data retrieval, and data presentation. Starter software (table Starter Software ) are those products designed for novice integrators. Datalogger support software products (table Datalogger Support Software (p. 399, p. 451) ) integrate CR1000 programming, telecommunications, and data retrieval into a single package. LoggerNet clients (table LoggerNet Clients ) are available for extended applications of LoggerNet. Software-development kits (table SoftwareDevelopment Kits ) are available to address applications not directly satisfied by standard software products. Limited support software for PDA and Linux applications are also available. Read More! A complete listing of Campbell Scientific software available for use with the CR1000 is available in the appendix Software (p. 569). 8.8 Using the Keyboard Display Read More! See Custom Menus (p. 193). A keyboard is available for use with the CR1000. See appendix Keyboard Displays (p. 567) for information on available keyboard displays. This section illustrates the use of the keyboard display using default menus. Some keys have special functions as outlined below. Note Although the keyboard display is not required to operate the CR1000, it is a useful diagnostic and debugging tool. 399