Microcontroller Propeller 2

BMP390 driver

A simple I2C driver for the BMP390 temperature+pressure sensor. Handles 2 if you got 2 on the bus

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!…

3D Models for Parallax Products

Introduction Parallax has published 3D models of many of our popular products, especially around the Propeller 2. You can find these models by visiting the product page and then the associated STEP and VRML formats, which are zipped together as…

PropSPI

SPI slave handler for the Propeller 2

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,…

Floating point

Introduction SPIN2 introduces native 32-bit floating point support for the Propeller 2. The implementation follows IEEE-754 encoding rules, with a bit sequence comprising a sign bit, followed by exponent and then mantissa (significand) bits. An interesting tool to experiment with…