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IO pin manipulation using PASM

Introduction One of the most useful features of the Propeller chip is its high number of I/O pins coupled with its eight coprocessors called cogs. After boot up each of the Propeller’s 32 pins can be programmed to act as…

Floating point operators in SPIN2

Introduction The SPIN2 language has been extended from version 51 to include new Floating point operators. They can be used in CON blocks as well as regular code. For the latest version of the SPIN2 specification, visit the language reference…

64/96/128-Bit Unsigned Integer Math

Introduction The Propeller 2 can use these libraries to handle 64/96/128-Bit Unsigned Integer Math! For the latest version of the full library, visit our OBEX link in resources! Methods These methods are included in 64, 96 and 128 bit versions!…

4-bit SD driver

4-bit SD mode SD card driver plug-in for Eric Smith's FlexProp/Flexspin

DEBUG Plot Layer and Crop

Introduction PNut_v49p1 adds new DEBUG PLOT commands allowing up to 8 bitmap layers that you can selectively copy into the PLOT window. This is useful for doing photo-realistic displays, where pre-drawn images are copied into the plot window to show,…

Making in USA - The Parallax 8 core microcontroller

Introduction The Parallax Propeller 1 Microcontroller was designed by Chip Gracey, President of Parallax Inc. based in Rocklin, California, USA. Chip spent eight years on the project overall, and was assisted for two years by an in-house layout engineer. An…

Using the counter for timeouts

Introduction Each cog has independent counters that can run in the background and support your code without overhead. The counters can perform many operations, and here we mention using them for operation timers. Code Snippet These code snippets show an…