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SimpleIDE User Guide

Table of Contents
What’s New? ........................................................ 2
SimpleIDE v0‐9‐45 to v1‐0‐1 ................................. 2
SimpleIDE v0‐9‐43 to v0‐9‐45 ............................... 2
SimpleIDE v0‐9‐40 to v0‐9‐43 ............................... 2
Overview .............................................................. 3
Features ................................................................ 3
Software Requirements and Installation................ 4
Downloads and Installation Instructions ..............4
USB Drivers ........................................................... 4
First Run ............................................................... 4
Create Workspace................................................. 4
Start‐up "About" Window..................................... 4
SimpleIDE Properties ............................................ 5
Initial View and First Program ............................... 6
Workspace and IDE Controls ................................. 7
File Menu .............................................................. 7
Project Menu ........................................................ 8
Edit Menu ............................................................. 8
Tools Menu ........................................................... 9
Program Menu .................................................... 11
Help Menu .......................................................... 12
Button Bar ........................................................... 12
Serial Port Dropdown ............................................. 12

Status Bar ............................................................ 13
Build Status ......................................................... 13
Project View (advanced users)............................14
File Menu ............................................................... 14
Project Menu .......................................................... 14
Tools Menu ............................................................ 15
Button Bar .............................................................. 15

File Manager Tab ................................................ 16
Project File Types ................................................... 16

Project Options ................................................... 17
Board Type ............................................................. 17
Compiler Type ........................................................ 18
Memory Model ...................................................... 18

Compiler Options ................................................ 19
Linker Options ..................................................... 20
SimpleIDE Terminal .............................................21
Features .............................................................. 21
Options ............................................................... 21
Simple Libraries ...................................................22
How to Add a Simple Library to a Project ...........22
Alternative .......................................................... 22
How to Create a Simple Library ..........................24
Simple Library Directory Structure .....................25
Recommended Features ..................................... 25
Board Types.........................................................26
Special Clock Boards ........................................... 26
Basic Board Types ............................................... 27
EEPROM Board Types ......................................... 27
External Flash Board Types ................................. 28
External RAM Board Types ................................. 28
SDLOAD Board Types .......................................... 28
SDXMMC Board Types ........................................ 28
SimpleIDE SDLOAD and SDXMMC Attributes .....28
Configuration Files .............................................. 29
Configuration Variable Patching .........................29
Support ...............................................................30
Revision History...................................................30

Project Manager ................................................. 15

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What’s New?
If you have used a previous version of SimpleIDE, this section explains what differences to expect with
the new version of the software.

SimpleIDE v0-9-45 to v1-0-1
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Enhanced COM port list to automatically update with virtual COM port events.
Added Help > Build Error Rescue feature to easily copy build status for sharing with others.
Added Tools > Update Workspace feature to simplify process of updating the user’s workspace
with libraries released later.
Enhanced to replace missing Workspace subfolders from original set.
Context-sensitive help added for function names and libraries.
Added auto-main project maker for .c/.cpp files having main but no associated .side file.
Improved Linux and OS X installation experience.
Added USB Driver to installer where appropriate per platform.
Made the Build Status clear upon project creation and project loading.
Added features to lessen confusion when compiling with a non-project tab visible.
Enhanced load options to reopen terminal after programming.
Made the Find dialog’s Find button active by default.
Updated project manager to allow right-click shortcut menu even in blank area of view.
Removed “Welcome to Simple View” message. Simple View is the default and is recommended
for educational uses. Project View is now available only after setting the “View Mode” option in
the Tools > Properties > General tab.
Removed the legacy Add Library toolbar button from Simple View.
Removed dependency for libquazip.
Changed Mac shortcuts from F8...F11 to be Alt+F8...Alt+F11 because of conflict on Mac.
Fixed bug allowing leading/trailing whitespace in filenames that would break project compilation.
Fixed bug preventing linked file types in subfolders from showing assembly.
Fixed bug in terminal positioning feature.
Included Simple Library updates as of 11/07/2014.
SimpleIDE is now published according to the GPLv3 license.

SimpleIDE v0-9-43 to v0-9-45
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Improved speed and robustness of Zip Project feature for projects with libraries using temporary
file system. This also greatly improved the use of USB SD Card targets.
Enabled 32bit doubles and all warnings by default for new Project View projects.
Project View’s new project main.c starts with 2-space indents.
Enabled programming in Spin with OpenSpin compiler; removes need for BSTC.
Global SimpleIDE settings are reset or removed upon install and uninstall.
Includes PropGCC v1.0.0.2162 which updates the following since PropGCC v1.0.0.2054:
o Uses OpenSpin compiler during build process instead of BSTC.
o Included fix for EEPROM boot with pruning enabled.
o Changed optimization that caused the pow() function to misbehave.

SimpleIDE v0-9-40 to v0-9-43
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Fixed bug causing SimpleIDE to crash upon targeting a Simple Library with Zip Project.
Fixed bug causing newly-created Simple Library to be unrecognized by other projects until
restarting the SimpleIDE session.

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Overview
SimpleIDE is a multi-platform, open source, internationalized code development environment for the
multicore Propeller microcontroller. SimpleIDE supports the C, C++, Spin and Propeller Assembly (PASM)
programming languages. It comes packaged with the PropGCC compiler for C and C++ and the
OpenSpin compiler for Spin and Propeller Assembly (PASM).
SimpleIDE has a central workspace to edit code and an integrated serial terminal for exchanging
information between user and Propeller microcontroller.

Features


Menu Bar with File, Project, Edit, Tools, Program, and Help menus



Button Bar with frequently used Menu Bar operations and COM port selector

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Streamlined New/Open/Save/Save As Project dialogs

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One-step Zip Project enables sharing with other users and the community
o

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Unzipped projects are portable and may be copied to other drives or computers

Optional Project Manager pane with right-click menu for project file settings, and Project Options,
Compiler, and Linker settings tabs
o

Project Options tab enables selection of Board Type, Compiler Type, Propeller GCC
Memory Model and Optimization level

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Optional Build Status pane for viewing compiler messages and build progress

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Tabbed text editor with configurable syntax highlighting

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User-selectable font size and family

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Browse Code feature navigates to declarations

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Status bar shows compile size, summary messages, and progress bar

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Available for Linux, Mac OS X, and Windows

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Multiple language interface and code support in comments and strings

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Software Requirements and Installation
SimpleIDE has the following system requirements:


Windows XP/7/8/8.1, 32/64-bit

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Mac OS X 10.6-10.10, 64-bit

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Linux Debian, Mint, Ubuntu 32/64-bit (.deb binary)

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600 MB available drive space

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Available USB 2.0 or 3.0 port for programming

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Internet access for obtaining the SimpleIDE software and web tutorials

Downloads and Installation Instructions
If you wish to try Parallax Propeller C tutorials, step-by-step installation instructions can be found here:
http://learn.parallax.com/propeller-c-set-simpleide. Links to the Propeller C Tutorials appear in the
sidebar navigation.

USB Drivers
The installer package includes the USB drivers that must be installed before connecting Propeller
hardware; however, you may also download them separately from here:


Windows: http://www.parallax.com/usbdrivers



Mac and Linux: http://www.ftdichip.com/Drivers/VCP.htm

First Run
Create Workspace
Upon first startup, SimpleIDE will prompt you to create a
SimpleIDE Workspace where your libraries and project files
will be stored. Just click the OK button to select the
default path ~/Documents/SimpleIDE and it will be
automatically created for you.

Start-up "About" Window
The SimpleIDE About window appears after the workspace is
created. This window shows the software version (which may be
later than shown here) and provides links to official SimpleIDE
resources.
If the "Show this window at startup" box is checked, the window
will appear on every startup. Clear the checkbox to disable
showing this window at every startup.

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SimpleIDE Properties
This dialog will normally not appear upon first run, but if it does, it’s because there’s an error in the
critical resource paths. Typically an error will show up as one or more of the fields being blank.

In the unlikely event that the dialog shows up, use the Browse buttons next to each field to correct its
entry. See the Tools Menu section starting on page 9 for examples of default paths in Windows.


GCC Folders tab: GCC Compiler field should contain the path to propeller-elf-gcc.exe.



Spin Folders tab: Spin Compiler field should contain the path to openspin.exe.



General tab: Loader Folder field should contain the path to the propeller-load subfolder of
PropGCC (propeller-gcc).

Not that the back-slash '\' path separators commonly used in Windows are replaced by forward-slashes '/'
in the IDE.

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Initial View and First Program
The first time SimpleIDE runs, it will open a Welcome project in the editor. For more info about how to
set up your board and run this test application, go to http://learn.parallax.com/propeller-c-set-simpleide
and then follow the link for your operating system.

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Workspace and IDE Controls
SimpleIDE’s workspace consists of seven major elements shown here and listed below.

1
2
3

7
4

6
5
1. Title Bar: Shows project path and filename.
2. Menu Bar: File, Project, Edit, Tools, Program, and Help menu options.
3. Button Bar: Buttons for most commonly used menu items, and COM port selection dropdown.
4. Optional Project Manager: File List and Project Options tabs.
5. Status Bar: Displays code size, build information, and download progress. Buttons for Show/Hide
Project Manager and Show/Hide Build Status are also available in Simple View.
6. Optional Build Status: Displays GCC compiler, Linker and download messages.
7. Editor: Text editor for C/C++/Spin code; supports multiple tabs in a single project.
Note that the software allows only one active project at a time, but may have multiple tabs open at once.

File Menu
IMPORTANT: SimpleIDE defaults to running in a mode that is recommended for all beginner-level users
of the Propeller C Tutorials on the Learn website (learn.parallax.com) and during classes based on the
Learn materials. The menu system described here is that of this Simple View mode. See the Project
View section on page 14 for details of the advanced view.
Close All: Closes all files and projects.
Print: Prints the current document to a selected printing device.
Exit: Asks to save any unsaved files and exits the program.

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Project Menu
New: Opens a dialog to select folder, project name, and project type (C, C++ or Spin).
Open: Opens an existing project file (with a .side extension).
Save: Saves all of the source files in the project with their current names and locations. Note
that the project is also saved automatically whenever it is compiled.
Save Project As: Save the current project with a new name to a specified folder. This will save
all project settings and relative paths.
Zip: Creates a zipped archive of the project that includes all the source, header, and library
archive files the project needs to compile. After the file is unzipped, the resulting folder contains a
portable version of the project that can be run on other computers that have SimpleIDE installed
without being dependent on libraries that the other computer might or might not have.
Close Project: Closes the project. Projects are automatically saved before they are closed.
Add Simple Library: Simplifies adding a preconfigured library to a project. This opens a dialog
for selecting a folder that starts with the letters “lib.” For examples, browse the subfolders of
“…SimpleIDE\Learn\Simple Libraries\.”
When a Simple Library folder is selected using this feature, SimpleIDE automatically adds an
#include statement into the code, adds include and library paths to the Project Manager’s file list,
and adds -lname (where name is the characters following “lib” in the folder name) to the Linker
tab’s Other Linker Options field in the Project Manager. See How to Add a Simple Library to a
Project on 22 for more information.
Add Tab to Project: Creates a new file and adds it as a file link in the Project Manager. Make
sure to choose the file type from the Files of Type dropdown menu. File type options are: .c,
.cpp, .spin, .h, .cogc, .ecogc, .espin, and any file (*).
Open Tab to Project: Opens an existing file and adds it to the project. This supports the same
file types as Add Tab to Project.
(Previous projects list): Lists the recently opened projects.

Edit Menu
Copy: Copies selected editor text to the clipboard.
Cut: Copies selected editor text to the clipboard and deletes the selected text.
Paste: Pastes text from the clipboard to the editor at the current cursor position.
Find and Replace: Opens a dialog window that allows searching and replacing text in the editor.

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Find text: When a word is entered in this field, the tool will try to find it in the editor. To find
more instances of the word, click the Find Previous or Find Next buttons to the right of this field.
Replace with: When a word is entered in this field, it will be used to replace the word found
from the find operation when either the Replace and Find Previous or Replace and Find Next
button to the right of this field is clicked.

Find Previous or Replace and Find Previous: Finds the previous word, or
replaces the current word then finds the previous word.
Find Next or Replace and Find Next: Finds the next word, or replaces the current
word then finds the next word.
Whole Word: Finds only whole words rather than portions of words that match the
Find text field’s content.
Case Sensitive: Finds only words that match the case of the Find text field’s
contents.
Replace All: Replaces all instances of the word in the Find text field with the word
in the Replace with field.
Find: Finds the next or previous word in the Find text field.
Redo: Reverses the last undo operation.
Undo: Undoes the last edit.

Tools Menu
Next Tab: Has the same effect as clicking the tab to the right of the one that is currently active in
the editor pane.
Font: Allows selecting of an editor font.
Bigger Font: Increases the editor font by 20%.
Smaller Font: Decreases the editor font by 20%.

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Update Workspace: Update user workspace folders to include contents of a released archive
such as the Learn Library Folder from the Learn website (learn.parallax.com).
Properties: Open SimpleIDE Properties.
The SimpleIDE Properties dialog window
allows changing of key Folders, General
properties, and Highlights. The controls
are consistent across operating systems
and may be changed while the IDE is
running to allow using another compiler
directory.
GCC Folders and Spin Folders: With a
default installation, the fields in the
Folders tabs will be set similar to what is
shown below. If the window reopens
after clicking OK, it means the critical
"Compiler" or "Loader Folder" information
is not correctly set; use the Browse
button to correct the entry. See This
dialog will normally not appear upon first
run, but if it does, it’s because there’s an
error in the critical resource paths.
Typically an error will show up as one or
more of the fields being blank. See page
5 for more info.
General Tab: Some General property
details may need to be changed for different boards.


Loader folder: Board type configuration files are located in the Loader folder. The
contents of this folder affect the Project Options Board Type field in the Project Manager.



Editor Tab Space Count: Set
the number of spaces to be
inserted when the Tab key is
pressed. The editor will convert
"tabs" to spaces. If existing
source code has hard tabs in it,
SimpleIDE will not touch the
tabs unless the user changes
them.



Loader Delay: Specifies the
delay between the reset signal
and the start of serial
transmission delivered to the
Propeller. A value of 0 specifies
the recommended delay.

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

Reset Signal: Options are DTR (default), RTS, and CFG. Some USB serial devices do
not have DTR for controlling Propeller reset and should use RTS instead. The CFG option
chooses the reset signal type specified in the board’s configuration file.



Auto Include Simple Libraries: (default) Enables automatic inclusion of Simple
Libraries in projects that use an #include <…> statement that references them;
without requiring additional -I and -L settings in Project Manager.



View Mode: Enables Project View / Simple View mode toggle.



Clear program settings for exit: Clears the General tab settings to restore defaults
upon the next startup.

Highlight Tab: Editor syntax color and bold/italic settings can be changed here. Only a select set
of system colors are available.

Program Menu
Run with Terminal (F8): Build, load, and run program on Propeller RAM (or external flash for
XMM). It automatically opens a serial port console terminal window.
Build Project (F9): Build program only. Build status information (such as success, or compiler
error information) will appear in the Build Status pane.
Load RAM & Run (F10): Build, load, and run program on Propeller RAM (or external flash for
XMM). Development boards that include SD cards (board types with SDLOAD or SDXMMC in their
name) will have the program saved to the SD card first.
Load EEPROM & Run (F11): Build and load program into Propeller EEPROM (and external flash
for XMM), then run. Development boards that include SD cards (board types with SDLOAD or
SDXMMC in their name) will have the program saved to the SD card first.
Stop Build or Loader: Stop the current project build or Propeller loader operations.
File to SD Card: If the development board includes an SD card (its board type has SDLOAD or
SDXMMC in its name), this button can be used to send any file to the SD Card.

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Open Terminal: Toggle the display of the SimpleIDE Terminal. Press to show and connect the
terminal window to the selected port. If pressed (dark square appears around the button), the
terminal is visible and connected and can be hidden and disconnected by pressing the button
again.
Reset Port: This red “power switch” button allows resetting of the board, which causes the
Propeller to grab the most recent program image from its EEPROM and start running it.

Help Menu
This menu provides links to the documentation for SimpleIDE, Propeller C, and Propeller GCC.
TIP: In addition to the Help menu resources, there is context-sensitive help in the source editor. In the
source editor, hovering the mouse over a library function name, or over an include statement’s filename,
and pressing the F1 key will bring up documentation about that item.
SimpleIDE User Guide (PDF): Opens this document.
Propeller C Tutorials (Online): Opens http://learn.parallax.com/propeller-c-tutorials.
Simple Library Reference: Opens the Simple Library documentation.
PropGCC Reference (Online): Opens http://www.parallax.com/propellergcc.
Build Error Rescue: Opens the contents of the Build Status pane into a dialog where it can be
easily copied and shared with others (such as with Propeller Forum members) who can help
resolve project build errors.
About: Shows the About window with details about SimpleIDE.
Credits: Shows links to third-party information and translation credits. License texts are
distributed with the SimpleIDE package. Translations are greatly appreciated.

Button Bar
The button bar has buttons for the most frequently used menu items. Point and hover the mouse over
each button to see the function it will activate when pressed. NOTE: The button selection will be
different if using the advanced Project View mode; not recommended for beginners. See the Project
View section on page 14.

To add additional buttons to Simple View’s button bar, simply right-click the button bar and select a
button group to add. The change will last until the window is closed.

Serial Port Dropdown
The rectangular serial port dropdown field on the right side of the button bar allows selection of the
desired Propeller communication port. The list always shows the available ports whether or not there are

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any Propellers connected to the computer. When a USB-based Propeller development device is
connected, this serial port field will automatically open to display the new selected port.
Some computers have serial ports based on Bluetooth. Bluetooth serial port programming is possible, but
not recommended for new users. The serial port type can be verified by hovering the mouse cursor over
the port name without clicking; the port name and type will appear in the tool tip that appears next to
the mouse cursor. Make sure the port type shows "USB Serial ..." or "FT232 ..." and select one of them.

Status Bar
The Status Bar shows status information like code size, program build, and load progress.

If the Show/Hide Project Manager and Show/Hide Build status buttons are visible, clicking them will
toggle the corresponding pane in the workspace area above the status bar.
The “Code Size…” notification indicates the program image size; (program + RAM size in parentheses).
The “Building…” notification indicates build and download status. A green background indicates a
successful operation; a red background indicates failure. The Build Status pane automatically opens, as
needed.
The download status appears as a progress bar and percentage complete indication at the right side of
the status bar.

Build Status
The Build Status pane displays
detailed reports from programs
that cover the processes for code
compilation and transfer to the
Propeller system.
The project directory is displayed
first followed by command strings
passed to compiler and its report
back, “Done. Build Succeeded!” It
then shows the command string
for the loader, the status of the
program image transfer, and
verification that the program was
properly transferred to
RAM/EEPROM.
If there is a compiler error, the
Build Status pane will report it and
will highlight the first detected
error. In the example here, an
opening parenthesis is missing on
line 21.

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Project View (advanced users)
TIP: Beginners may skip this section and move on to the SimpleIDE Terminal section on page 21.
The default features of SimpleIDE (described in all other sections of this manual) are recommended for
beginner-level users and classes focused on the Propeller C Tutorials from the Learn website
(learn.parallax.com).
For advanced users, an additional feature called Project View can be enabled that requires more attention
to project configuration; it is not recommended except for advanced users.
To enable the Project view feature: select the Tools > Properties menu, go to the General tab, select the
Projects checkbox, and click the OK button. Then select the Tools > Set Project View menu. This is a
toggle option; selecting it again will switch back to Simple View.
Project View adds items to some of the menus and button bar, as described below.

File Menu
New: Creates a new file called "untitled" in the tabbed editor space.
Open: Opens an existing file into a new editor tab.
Save: Saves the text of the active editor tab to the file shown on the tab.
Save As: Saves the active editor tab’s text to a filename of your choice.
Close: Closes the currently visible tabbed editor.
(Previous file names): Lists the recently opened files.

Project Menu
Add File Copy: Adds a copy of an existing file to the current project.
Add File Link: Adds a link to an existing file to the current project settings.
Add Include Path: Adds a path to the current project settings pointing to a folder containing
header files the project will use.
Add Library Path: Adds a path to the current project settings pointing to a folder containing
memory model folders, which in turn contain archived library (.a) files. For more information, see
the
File Manager Tab on page 16. This feature is not for including source libraries (.c/.cpp/.cogc); use Add
File Copy or Add File Link for those.
Set Project: The Set Project button (F4 or Project->Set Project) makes a project use the
currently visible user program. For C language projects, this needs to be the main file. For Spin

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language projects, if you open a Spin file that is the top object file in the project, make sure to
select Set Project while the top file is the active tab before compiling.

Tools Menu
Set Project View / Simple View: Toggles between Simple View and Project View workspace
modes.

Button Bar
The button bar in Project View adds a few buttons as shows below. Point and hover the mouse over each
button to see the function it will activate.

Project Manager
Projects typically consist of several files and settings
that guide how the project is built and run. These are
listed in the Project Manager; closed by default. If
you are experimenting with Propeller C Tutorials,
these project settings are already configured for you.
The minimum required file in a project is the .c file
with the main function (where code execution will
start). In this example, the project’s name is
libwavplayer.side. The .side extension is an
abbreviation of SimpleIDE, and it stores the project
manager settings. The file with the main function has
the same name, but ends in the .c extension, and is at
the top of the Project Manager’s file list.
You can see how SimpleIDE uses the Project Manager
to keep a list of any library, folder, and file resources
the project utilizes that are not part of Propeller GCC.
Libraries that are not part of Propeller GCC, or Simple
Tools, have to be added to the project so that the
compiler can find them. For example, you will not
see stdlib listed here because that is part of Propeller
GCC, so a simple #include in the
program’s source code would be all that’s required.
NOTES
 For C/C++ and Spin, the project manager defines what is built regardless of what editor tab is
active and visible in the main display.


There is generally no issue using a main .c type file for projects that include C++ in
Propeller GCC, provided the Compiler Type is set to C++.



Although .h files are not listed by name, they must exist in the project folder or in one of the
specified include paths for successful builds.

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File Manager Tab
To see the contents of a file, left-click on the file name to open the file in the editor. If there are any
entries starting with -I and -L, they specify paths, not files – they will not open any content in the editor.
Similarly, clicking the .side file (the project file) does nothing. Controls for adding files and paths to the
file list are available by right clicking one of the entries.


Add File Copy: Adds a copy of an existing
file to the project. If the file is outside of the
project directory, the file will be copied to the
directory. File names are added in
alphabetical order except the main project
file which must always be listed first.



Add File Link: Adds a link to an existing file
into the project. Unlike the above option, a
linked file will not be copied to the project
directory. This is useful for reusing existing
code maintained outside of this project;
however, a disadvantage is that the project’s
code is not all in same folder. Linked files
are displayed in the Project Manager as the
short file name with “->” and the full path
and filename afterward.



Add Include Path: Adds a path into the current project pointing to a folder containing header
files (.h) that are not already in the project folder or tool-chain library folder. This adds an -I path
to the project.



Add Library Path: Adds a path into the current project pointing to a folder containing one or
more memory model folders for a particular library. The memory model subfolders, with memory
model names (cmm, lmm, xmmc, etc.), each contain one or more .a files that have been precompiled for that memory model. Assuming each folder contains libname.a, -lname should be
manually entered into the Linker tab’s Other Linker Options field. This feature is not for including
source libraries (.c/.cpp/.cogc); use Add File Copy or Add File Link for those.



Delete: This option deletes a file or path from the project settings. It does not delete a file
itself; rather, it just removes it from the project settings. The top file cannot be deleted since it
has a special meaning to the project. The top file in the project must always have the main()
function required by C/C++. Note that if another top file is needed, either create it or open it in
Project View, and then use Project -> Set Project to set it as the top file.



Show Assembly: Displays the file’s Propeller GCC assembly with C source comments.



Show Map File: Displays the Propeller GCC code map for a particular file.



Show File: This is the same as left-clicking on a file name; it will either open that file or activate
the editor tab that already contains it.

Project File Types
Source Files: These files can be added to the project manager by right clicking an existing project file
and using the popup menu.


C files (.c, .cc, .cpp) typically contain function or class method implementations.



COG C files (.cogc) are a special type of C file that will compile to an image that will run in a cog.



SPIN files (.spin) contain PASM that can be compiled and extracted for starting in a cog.

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

GAS files (.s, .S) contain PASM-like GNU Assembly that can be compiled and extracted for
starting in a cog.

Include Files: These files are also known as header files, and usually contain interface information.


Header files (.h) are used to define data types and declare functions that may be in libraries.



Header files are included in C source using #include statements and do not need to be added
to the Project Manager specifically. However, it is a good idea to add a file link because it can be
used to conveniently open the header into a tab.



If the header file is not in the same folder as the project, a path to the folder that contains the
header file should be specified.



An include path can added by right-clicking any item in the Project Manager and selecting Add
Include Path. Also, while in Project View, the Project menu’s Add Include Path item can be used.



An include path can also be added with "-I folder" in the Other Compiler Options box.

Object Files: These files are generated by the build process and are not added to the Project Manager.


Object files (.o): Object files are always generated by the compiler.



COG Object file (.cog): This is a generated object file created from a .cogc file.



Dat files (.dat): This type of file is generated by Spin compilers used for making PASM COG code.

Project Options
The Project Options tab is for choosing common project settings. These options are automatically saved
in the .side project file.

Board Type
This field, to the right side of the green puzzle piece, selects the target development board type. Most
commercially available Propeller boards are listed here and an abbreviated list is included in Simple View.
Click this dropdown to select the board you will be loading the program into. The selected board type is
saved in the .side project file.
Board types with SDLOAD or SDXMMC features are special, and when selected tell the IDE that certain
functions have to be performed to load the program into external memory. In some cases, modes like
RCFAST or RCSLOW select system clock settings that have special purposes, but can be used on any
board. See the Board Types section on page 26 for more info.

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Reload Board Types: If board configuration (.cfg) files have been added to or deleted from
Propeller GCC’s Propeller Load folder (\propgcc\propeller-load\), this button will
refresh the list of board names in the Board Type dropdown. If the boards.txt file (inside the Propeller
Load folder noted above) has been modified, this button will update the truncated boards list shown in
the Board Type dropdown while in Simple View.

Compiler Type
Three compiler types are supported:
 C
 C++
 Spin
C and C++ projects are compiled by the Propeller GCC compiler that is installed with SimpleIDE.
Spin is a custom object-based language (not related to C or C++) that Parallax developed for the
Propeller microcontroller’s multicore architecture. It is compiled by the OpenSpin Compiler, which is also
bundled with SimpleIDE.

Memory Model
The memory model options allow you to select where to store code that gets executed and data that gets
accessed. There are six memory model options that utilize various combinations of the Propeller
microcontroller’s 2 KB Cog Ram, 32 KB Main RAM (shared by all cogs) and various external memories
including flash, SD, and even the 64 or 128 KB EEPROMs built into many Propeller boards.
Keep in mind that most memory models do not preclude other memory from being used. For example,
the compact memory model (CMM) does not use SD data, but a CMM project can use libraries to read
from and write to an SD card.


LMM Main RAM: The Large Memory Model (LMM) stores the program image and variable data
in Main RAM with machine codes fetched and executed by one or more cogs.



CMM Main RAM Compact: The Compact Memory Model (CMM) is just like the LMM Main RAM
model except that the program image is compiled into a size-optimized form. This is
recommended for most applications that fit entirely into the Propeller’s 32 KB Main RAM. There
is very little difference in performance between LMM and CMM, but the memory savings is
significant.



COG Cog RAM: The COG model stores both program image and data in Cog RAM. COG
programs are very limited with only small amounts code and local variable data able to reside in
cog memory. VGA-Pong and VGA-driver demo code are some surprising examples that will run in
COG mode using Main RAM for buffering. PASM is not required.



XMMC External Flash Code Main RAM Data: The Extended Memory Model Code (XMMC)
mode stores program images in external flash memory, an SD card, or EEPROM. Data such as
variables are placed in Main RAM.
XMMC is the best performing external memory model. It is faster than Spin programs in many
cases when using SPI Flash. Code can be forced into Main RAM for best performance of timecritical tasks. This is a solution for the XMM-determinism problem – XMM code relies on a cache
for performance and fetching cache lines can get in the way from one compile to the next
depending on the code being used.

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

XMM-SINGLE External RAM: The Extended Memory Model Single mode stores both program
image and data on an external RAM. Data can also be forced into Main RAM.



XMM-SPLIT External Flash Code + RAM Data: The Extended Memory Model Split External
Flash Code + RAM Data mode stores the program image on an external flash, SD card, or
EEPROM memory, and variable data on an external RAM.

Note: XMM is compatible with libraries that launch COGC or PASM code into other cogs; however, it is
not currently compatible with code that launches LMM or CMM code into other cogs.
Project examples that use a variety of memory models can be found in …Documents\SimpleIDE\Propeller
GCC Demos. Since the project stores the memory model settings, you will probably notice that most of
those examples are already set to the optimal memory model for the project and target board. For
example, the C-VGA demo is a COG-only program, so its memory model has been set to COG Cog RAM.
Additionally, the Graphics demo can run on CMM or LMM, but it can also run on XMMC with board type
EEPROM selected (a 64 KB or greater EEPROM must be used; two 32 KB EEPROM ICs will not work);
approximately 6 KB of EEPROM code is used for program resources with EEPROM XMMC.
Optimization: Typically we want to optimize for size, but there are some programs that we want to
optimize for speed at the cost of a larger program. Use -O2 Speed mode for speed optimizations.

Compiler Options
Select these options as needed for a project. The defaults are fine for most projects.



Simple Printf: Deprecated. See Linker tab’s Tiny Lib option.



32-bit Doubles: (default) Use 32-bit doubles for floating point double variables. 64-bit doubles
are too big for most LMM programs.



All Warnings: When checked, the compiler will generate all possible warnings for issues in code
that may cause trouble.



No Fcache: Check this option to prevent the compiler from using Fast Cache (Fcache). Fcache
generally improves performance but it can be disabled.



Exceptions: This should be enabled only for C++ programs that use try/catch exceptions. Using
exceptions may cause code size to increase.



Enable Pruning: Enable this option to have the compiler and linker remove unused code from
the program image. This option saves the most space in projects using non-optimized libraries;
Propeller GCC uses optimized libraries, so the savings are usually minimal with this option
enabled.

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

Other Compiler Options: This allows adding -D flags for programs that may need them. There
are other flags that can be added here when using libraries. Use the Project Manager’s Add
Include Path for using prebuilt libraries. One may need -I for using
prebuilt libraries.

Linker Options



Math Lib: Must be checked if using single- or double-precision floating point in the program.
The program will compile without checking this, but it will not run correctly. The Math library
must be included for floating point to work.



Tiny lib: This option is deprecated; do not use it except for legacy projects. Tiny lib is an old
solution meant to save code space when using printf(). Instead of printf(), use the
print() and printi() functions as they save more space without the negative effects Tiny
lib introduces.



Create Project Library: Check this option if you are creating a library, like the Simple Tools
library, where you want the archive (.a) file created during compilation.



Pthread Lib: This option is only for expert users; do not enable this option without prior
experience with Pthreads. This option must be checked if your project uses Pthreads for
running multiple threaded programs in one cog or many cogs. The number of threads available
is limited by memory. XMM/XMMC programs will run all threads on the main program cog. LMM
programs can run M number of threads on N cogs. For Pthreads, N cogs is limited to 8 for LMM
programs, and is limited to 1 for XMM/XMMC programs. The size of M is limited only by
memory available. This is an advanced feature; see http://www.parallax.com/propellergcc for
more information.



Other Linker Options: This allows adding linker-specific options. For example, “-lname” may
be added for using a prebuilt library. A prebuilt library has subfolders for memory models like
cmm, lmm, xmmc, etc., each containing a precompiled binary archive for the target memory
model named libname.a. Special Linker scripts can be added here if a board does not fit a
built-in memory layout.

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SimpleIDE Terminal
The SimpleIDE Terminal displays the output from various text functions, such as the Standard C Library’s
printf, and putc functions, and Simple Library’s print or printi function. The terminal can also
take keyboard input and transmit text to the Propeller to be received by functions like scanf and getc.
Data from this window can also be shaded, copied, and pasted into other applications.

Features


A Clear button for clearing the terminal of
any previously printed text



An Options button for setting appearance
and function



Disable button to stop displaying
incoming messages



A baud rate selection dropdown



A display indicating the COM Port that
is/was connected



Echo On checkbox for echoing
transmitted text on the display

Options
Appearance Tab: Set color, font and tab settings. Increase the maximum buffer size setting to capture
larger amounts of data.
Function Tab: Define the functions of char values that are transmitted to the terminal. For example, if
checked, the value 1 sends the cursor to its top-left Home Cursor position.

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Simple Libraries
Simple Libraries are designed to be easy to add to a project with SimpleIDE. A number of Simple
Libraries, including simpletools, are included in …Documents/SimpleIDE/Learn/Simple Libraries/.

How to Add a Simple Library to a Project
1. Select the Project > Add Simple Library item.
2. Browse to the library you want to add, select it, and click the Select Folder button. Note that if
you accidentally double-clicked the desired folder, you can still click the Select Folder button
(without selecting any subfolder first) in order to choose the desired folder.

After clicking the Select Folder button, SimpleIDE will add an #include "…" directive for the library to
your code and make the necessary additions to the Project Manager’s file list and Linker tab.

Alternative
As you become familiar with Simple Library names, you can also simply insert the #include directive
(mentioned above) into your code since the “Auto Include Simple Libraries” feature (if enabled) removes
the need to adjust Project Manager’s settings.

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Simple Library Documentation: The Simple Library documentation lists the functions the library puts
at your disposal, describes what they are for, the parameters they expect, and what they return. You can
access Simple Library documentation in a number of ways.




Use context-sensitive help: In the source editor, hover the mouse over a library function
name, or over an include statement’s filename, and press the F1 key to bring up documentation
about that item.
Use the help reference: Select the Help > Simple Library Reference menu item to open
Simple Library Documentation.
Use system file browser: Use your operating system’s file browser (Windows Explorer, Mac
Finder, etc.) to look inside the Simple Libraries folder, and desired subfolders, and open the
Documentation…Library.html file.

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How to Create a Simple Library
To create a Simple Library (assuming it’s named “name”) follow these steps:
1. Select Project > New.
2. Using the New Project dialog, navigate to the desired location for your new library.
3. Click the Create New Folder icon near the upper-right of the dialog. This will add a folder called
“New Folder” to the current location.
4. Rename the new folder to libname.
5. Navigate into the newly-created libname folder.
6. Change the filename (in the File name field) to libname and click the Save button.
7. Select Project > Add Tab To Project.
8. Change the filename to name, set the Save as type field to C Header File (*.h), then click the
Save button.
9. If necessary, use the Proejct > Add Tab To Project feature to add as many .c files as needed,
and try to make the names descriptive of the functions they contain. Also try to make each .c file
contain as few functions as possible because the archived version will optimize out uncalled
functions (.c files) if you do.
10. If you’re in Simple View, click the Show Project Manager button.
11. On the Linker tab, set the Create Project Library option. This will generate a prebuilt library file
(.a) in a subfolder of your new library folder every time you compile.

12. In the Project Options tab, select the desired memory model. Every time you compile the library,
SimpleIDE will create an archive file (.a) in a subfolder of your library folder. For example, if
CMM Main RAM Compact is the selected Memory Model, a compile of the library will create a
subfolder called “cmm” with a file called libname.a inside of it. You must manually set the
Memory Mode and recompile for every memory mode you want your library to support.

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13. Click the Build Project button whenever you want to compile and build the library’s archive file for
the currently selected Memory Model.

The selected Board Type does not affect the library’s archive file (.a); it may be set to any board type
while building the desired memory models.

Simple Library Directory Structure
Here is an example of how the directory structure might look for a library called “name.” Note that the
libname folder contains name.h and memory model subfolders, each with libname.a file. Each libname.a
file is a binary archive compiled for the memory model of the folder it’s in.

A Simple Library should only contain memory model subfolders for memory models it supports. For
example, if the library supports only CMM and LMM, it should have cmm and lmm subfolders, but no cog,
xmmc, or other memory model subfolders. Check subfolders in … \SimpleIDE\Learn\Simple Libraries for
examples.

Recommended Features
Try to make each .c file in the library project atomic. In other words, keep one function, or a group of
interdependent functions, in each .c file. When the .a file is created, it will be organized so that the
compiler and linker can optimize out any functions (from separate .c files) that are not called by the
project being compiled, expanding a project’s image size only by the size of the functions that are called
(along with any they depend on). In contrast, if the library included a single, all-encompassing .c file,
with every function the library supports, then even a single function reference to the library will increase
the program image size by the size of the entire library (the size of all the code for all functions within the
library).
Doxygen (http://www.doxygen.org) is the recommended documentation tool. Try to fully document each
element in the header file with Doxygen comments, and then create an html folder for your library using
Doxygen. The examples in \SimpleIDE\Learn\Simple Libraries also copy name_8h.html to the libname
folder and rename it Documentation name Library.html. Then the following search/replaces are
performed on Documentation name Library.html with a text editor:

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Search: href=”
Replace: href=”html/
Search: href=”html/#
Replace: href=”#

Board Types
SimpleIDE allows specifying board types from a simple dropdown box in Project Options. There are many
board types and variations. Board type configuration files (.cfg) contain information for the loader to use
when starting the program. The loader needs the main serial port, the clock mode, the clock frequency,
cache driver for external memory programs, and SD card pins.
Board-specific pins can be defined in the .cfg file and “stuffed” into the Propeller program at load time so
that several board types can use the same program without recompiling it. More details can be found in
the propeller-load document on the PropGCC open source project website:
https://code.google.com/p/propside.

Special Clock Boards
If the Propeller development board does not use an 80 MHz system clock, or has an odd crystal
configuration, a board type can be created to set the clock frequency (typically crystal frequency times
wind-up multiplier; specified by PLLx mode). Board configuration files can be placed in the project folder,
but it is best to put them in the installation’s propeller-load subfolder.
Assuming \propgcc is the installation folder, define a custom board as
follows:
1. Copy the \propgcc\propeller-load\hub.cfg file to
\propgcc\propeller-load\custom.cfg (or choose a name that does
not have spaces).
2. Change clock frequency or clock mode in custom.cfg, and save the file.
3. If you want the board type to be available in the Project Manager’s Board Type dropdown (even
in Simple View), open boards.txt (from the same folder) and add your custom board’s filename to
the list. Boards.txt is a filter; if boards.txt is removed then all board types will be available in
Simple View upon refresh.
4. Click the puzzle piece
board types list.

near the Board Type field in the Project Options tab to refresh the

5. Choose CUSTOM from the board type drop down box to compile and download for the CUSTOM
board you just created.
Note: RCFAST and RCSLOW board types are available in the board types list, but these should never be
picked for programs that communicate through SimpleIDE Terminal because the timing is not accurate
enough for serial communications. While the internal oscillator is not accurate enough across Propeller
chips for RCFAST to work the same for all chips, it is precise enough for each individual chip. RCFAST
could be used for serial communications with an advanced auto-baud technique.

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Basic Board Types
Basic board types can work on many boards that have only a Propeller, crystal, and an EEPROM. A crystal
is not necessary for RCSLOW and RCFAST board types. An EEPROM is only required if the Propeller needs
to boot without the help of download from SimpleIDE.


GENERIC: Supports basic hardware features of the most common Propeller boards including:
Propeller Activity Board, Propeller Board of Education, PE Platform, Propeller Demo Board, and
Propeller QuickStart. Although all these boards are supported, they also have their own entries
in the Board Types dropdown. Each individual board type may also have extra features not
included in this generic setup, so you should select the exact board type whenever it is known in
advance. GENERIC settings include a 5 MHz crystal with PLL set to 16x for an 80 MHz system
clock, 32 KB or larger EEPROM connected to P29 (SDA) and P28 (SCL), and 115 baud
communication with a terminal via P30 (host computer Rx) and P31 (host computer Tx).



RCFAST: This board type makes the Propeller microcontroller rely on its internal 12 MHz
oscillator. Although it can actually boot up on any Propeller board, it is designed for applications
that do not require the clock precision of an external oscillator. This mode is usually impractical
for serial communication, servo control, precise pulse measurement, or video.



RCSLOW: RCSLOW is like RCFAST except that it uses the slowest and most energy efficient
clock mode in the Propeller, 20 kHz.



HUB: The HUB board type specifies an 80 MHz system clock and an external 5 MHz crystal with
PLL16x clock mode. Any board that has a 5 MHz crystal should work with HUB board type. Good
serial communications and TV/VGA output are possible with the HUB board type and an accurate
5 MHz crystal. Some of the other board types related to HUB are ACTIVITYBOARD, C3,
QUICKSTART, PEKIT, and PROPBOE.



SPINSTAMP: The SPINSTAMP board type is like the HUB board type except that it relies on a
10 MHz crystal to produce an 80 MHz system clock by using PLL8x in the clock mode. Any
Propeller board that has a 10 MHz crystal should work with the SPINSTAMP board type. HYDRA is
a related board type.

Some users prefer to control the clock mode and frequency of the Propeller programmatically. This is
possible only when RCFAST or RCSLOW is selected for the board type in Propeller C programs. This is an
advanced topic. The algorithm is described in the Propeller Datasheet.

EEPROM Board Types
The EEPROM board type is like the HUB board type except that it has a cache driver defined for running
XMMC memory model programs. With the EEPROM or similar board types, a program loaded into the
EEPROM can be fetched and run with XMMC.
This mode is usable with a single 32 KB EEPROM, 64 KB EEPROM, 128 KB linear address space EEPROMs,
and 256 KB EEPROMs from ST.
Any set of 64 KB+ EEPROM can be configured to add more code space to the program. Using two
separate 32 KB EEPROMs will not work because address 0x8000 to 0xFFFF maps to address 0x0000 to
0x7FFF. All devices should be the same type. MCP29FC1025 devices do not have a linear memory
addressing and will not work.
The XMMC model is the only extended (XMM*) memory model that will work with EEPROM board types.
Other board types related to EEPROM that run XMMC programs are ACTIVITYBOARD, PROPBOE,
QUICKSTART, and ASC+.

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External Flash Board Types
External Flash board types like C3F and SSF will run XMMC memory model programs from Flash memory.


C3F: C3F XMMC programs are stored in the on-board 1 MB SPI Flash. C3F is a variant of the C3
board type that uses all of cache for program code and is thus faster than C3. (The C3 type splits
cache between Flash and SRAM storage and is less efficient).



SSF: SSF is the SpinSocket-Flash board type that uses 2 Winbond W25Q* QuadSPI parts for
storing and running XMMC memory model code in. This is a fast practical external memory
solution because of low cost, low pin count, high density, and high relative XMM performance.

External RAM Board Types
External RAM boards have external SRAM, SPI-SRAM, or SDRAM. Boards having only SRAM will only boot
stand-alone if the code can be loaded from SD card or some other non-volatile storage. SRAM-only
boards can be loaded by the PC and SimpleIDE using the serial loader protocol for testing.


C3: The C3 type allows using the XMM (or XMM-SPLIT) memory model to store program code in
SPI Flash and data in a device like external SPI-SRAM. It is possible for a cache driver to be
written for other boards that will use the XMM memory model. The C3F board type will only use
C3 Flash and only works with XMMC memory model programs.



DRACBLADE: This board has SRAM and SD card. It can be loaded by the IDE for testing, but
must be programmed using SDLOAD for stand-alone boot.



SDRAM: This board has SDRAM and SD card. It can be loaded by the IDE for testing, but must
be programmed using SDLOAD for stand-alone boot.

SDLOAD Board Types
SDLOAD board types are typically RAM board types that do not have an on-board Flash. With the
SDLOAD board type, the program to be run is sent to the SD card. The Load RAM & Run, Load EEPROM
& Run, or Run with Terminal buttons will cause the AUTORUN.PEX output to be downloaded to SD card
and then booted to RAM and run. Once the Load EEPROM & Run button has been used, the
AUTORUN.PEX file can be replaced using the Send File to SD Card feature or by connecting the SD card
to your computer and replacing it with file management tools like Windows Explorer or Mac Finder.

SDXMMC Board Types
SDXMMC board types are used to download XMMC memory model AUTORUN.PEX programs to an SD
card and run them using the Load RAM & Run, Load EEPROM & Run, or Run with Terminal. Any board
that has an SD card can use SDXMMC; however, code execution may be very slow.

SimpleIDE SDLOAD and SDXMMC Attributes
How does a board type include SDXMMC or SDLOAD attributes? This is added to the .cfg file for a
board. If a board has an SD Card, the SDXMMC option can be added to the .cfg file with the line "#
IDE:SDXMMC". If a board has an SD Card and a supported RAM cache driver, SDLOAD can be added to
the .cfg file as "# IDE:SDLOAD". Some examples follow.
Below is an example of the ppusb.cfg file. Note that it has IDE:SDXMMC in a comment as described
above. Other interesting items are cache-driver and sd-driver. The cache driver in this case is the
eeprom_cache.dat driver. Today, the SDXMMC cache driver is part of the sd_driver.dat.
To use SDXMMC for this example, the board type PPUSB-SDXMMC should be selected. To use the
EEPROM cache for XMMC, the board type PPUSB should be selected.

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# ppusb
# IDE:SDXMMC
clkfreq: 80000000
clkmode: XTAL1+PLL16X
baudrate: 115200
rxpin: 31
txpin: 30
cache-driver: eeprom_cache.dat
cache-size: 8K
cache-param1: 0
cache-param2: 0
eeprom-first: TRUE
sd-driver: sd_driver.dat
sdspi-do: 0
sdspi-clk: 1
sdspi-di: 2
sdspi-cs: 3

Configuration Files
Board configuration files provide customization for Propeller GCC board hardware. A Propeller GCC
program is loaded to the hardware with the propeller-load program (see
http://www.parallax.com/propellergcc/). The loader will scan the board type .cfg file to use with the
compiled Propeller GCC program and patch properties to the program if necessary before loading.

Configuration Variable Patching
Numeric properties found in the .cfg file can be applied to a Propeller GCC program to let the program
run on boards with different hardware connections. Any variable can be defined. See
http://www.parallax.com/propellergcc/ for more information.
As a simple example, one board can have an LED on pin 15 and another board can have an LED on pin
20. The same code can run on boards using different .cfg files.
# file: led15.cfg
# LED pin 15 example
clkfreq: 80000000
clkmode: XTAL1+PLL16X
baudrate: 115200
rxpin: 31
txpin: 30
ledpin: 15
# file: led20.cfg
# LED pin 15 example
clkfreq: 80000000
clkmode: XTAL1+PLL16X
baudrate: 115200
rxpin: 31
txpin: 30
ledpin: 20

The Propeller GCC program that uses ledpin can look like this:
#include
/* Config variables must be global.
* If a variable is patched it will not have the value -1.
*/
int _cfg_ledpin = -1;

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int main(void)
{
if(_cfg_ledpin > -1) {
DIRA |= (1 << _cfg_ledpin);
while(1) {
waitcnt(CLKFREQ/2+CNT);
OUTA |= (1 << _cfg_ledpin);
waitcnt(CLKFREQ/2+CNT);
}
}
while(1);
return 0;
}

Support
Report problems with SimpleIDE or Propeller-GCC via email to SimpleIDE@parallax.com, by adding issues
to http://code.google.com/p/propside/issues/list, or by visiting the Propeller forum at
http://forums.parallax.com/forum.php.

Revision History
For complete details, look at http://propside.googlecode.com for full software revision history and source
files.


Version 1.0.1 November 24, 2014.



Version 0.9.45 November 12, 2013.



Version 0.9.43 September 5, 2013.



Preliminary August 6, 2013 untracked.



Preliminary May 26, 2012 untracked.



Preliminary Beta June 16, 2012 untracked.



Beta April 30, 2013 untracked.



Version 0.9.26, first released with SimpleIDE version 0.9.26.

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Title                           : Microsoft Word - SimpleIDE-User-Guide-1-0-1.docx
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Creator Tool                    : PScript5.dll Version 5.2.2
Metadata Date                   : 2014:11:23 14:44:37-08:00
Producer                        : Acrobat Distiller 9.5.5 (Windows)
Document ID                     : uuid:d122d838-2b08-4be3-9a0a-d3480f5ee51a
Instance ID                     : uuid:6cc77f0d-c079-4c73-9fbc-aeaa542d3bdf
Page Count                      : 30

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SimpleIDE User Guide 1 0 1x Simple IDE 01

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