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Preferences - Operation Tab

The Preferences dialog allows you to view and set persistent features of the Propeller Tool software. Settings are arranged by category into tabs and group boxes.

The Operation tab contains settings that affect functional aspects of the editor and communication with the Propeller chip.

Tab Stops

The Tab Stops group indicates tab stop positions for different portions of source code. Each Spin block (CON, VAR, OBJ, etc.) has its own tab stop settings indicated by the corresponding field. Enter tab stop positions as a comma-delimited list from lowest to highest.

The offset between the last two positions of a tab stop list is repeated endlessly after the final indicated position. For example, there are implied tab stops at positions 104, 128, 152, etc. since the last two indicated positions are 24 characters apart (80 - 56 = 24); 80 + 24 = 104, 104 + 24 = 128, etc.

Port Management

The Port Management group contains settings for Propeller chip communication.

Propeller Reset Signal

By default, the DTR line of the serial port signal is used to reset the Propeller chip (required for downloading and identification). However, some USB-to-Serial adapters may not have a DTR line. In such a case, adjust this setting to use the RTS line, or both DTR and RTS, instead.

Serial Port Search

The default setting (AUTO) causes the Propeller Tool to scan all available serial ports when trying to identify or download to a Propeller chip. To force the Propeller Tool to only scan a specific port, make sure that port is working properly (or is connected if it is a USB-to-Serial adapter), and select it from the drop-down list. For more advanced options, click on the Edit Ports… button.

Edit Ports… button

For advanced serial port management options, click on the Edit Ports… button to open the Serial Port Search List Dialog.

Restore Button

A Restore button appears on every preference tab. Pressing the Restore button resets all the settings of that tab to their defaults without affecting those of other tabs.

Accept Button

Pressing the Accept button makes all changes on all preference tabs official and active in the Propeller Tool.

Cancel Button

Pressing the Cancel button returns all changed settings, on all preference tabs, back to their original state; the state they were in when the Preferences dialog was opened.

Propeller Help Version 1.1

Copyright © Parallax Inc.

5/13/2009