SPI, 1-Wire, I2C, asynchronous serial...

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Protocol Object List:

Parallax Approved OBJECT OVERVIEW VERSION ATTRIBUTES AUTHOR PUBLISHED UPDATED DOWNLOADS RATING
 
1-wire Routines

1-wire device interface routines and demos. Low-level routines include network device search and CRC-8 calculation.

1.0 Cam Thompson 2006-07-18 2008-03-14 3,723  
 
1-wire Routines in Spin

A 1-wire bus interface, compatible with Cam Thompson's excellent module, but written entirely in Spin. Does not require an extra cog. Requires an 80 MHz clock.

1.0 Micah Dowty 2008-07-20 2008-07-20 492  
 
3DfixOLED

For Amateur Radio enthusiasts working with Microwaves and GPS stabilized oscillators I produced two chips for 3Dfix detection and display of other GPS parameters. The first thing I did when ...

1.04 W1AUV 2008-09-03 2008-09-04 515  
 
74HC595 Regular and MultiPWM Shift Register Driver

Easily control several 74HC595 shift registers in series. Now includes a variation which leaves out the PWM feature and instead supports up to 100 chips! Still also includes the multi-PWM ...

2.2 Dennis Ferron 2009-03-28 2009-04-20 394  
 
8 Channel Output Via Shift Out

This code uses a bitmasking technique to set output states which are serially transmitted to a 74HC595 parallel output shift register. Bitmasking allows reassignment of physical pin functions by alteringbitmask ...

1.0.0 AJ Scott 2009-10-11 2009-10-17 49  
 
8255 Programmable Peripheral Interface Driver

This driver allows you to connect up to sixteen 8255 Programmable Peripheral Interface chips together on a shared bus. Each 8255 has 24 configurable bidirectional io pins so for applications ...

1.0 Dennis Ferron 2006-11-27 2006-11-27 1,683  
 
ADC0838 Channel Debug

This series of objects is used to communicate with the ADC 0838 vis a serial interface. After one channel is read by the ADC, then the Propeller, it is sent ...

1.0 Bryan Kobe 2007-07-23 2007-07-23 700  
 
Allegro MicroSystems A6281 3-channel LED Driver

This driver is for running a daisy chain of Allegro MircoSystems A6281. Th A6281 IC is a three channel, 10-bits per channel LED driver. The Brilldea PolkaDOT product series uses ...

0.1 Timothy D. Swieter 2009-04-10 2009-04-10 154  
 
Base64 Decoder

In-place base64 decoder.

0.1 darco 2008-05-07 2008-05-07 221  
 
Basic I2C Driver

This is a simple Spin I2C driver intended mostly for accessing I2C serial EEPROMs like the boot EEPROM. There are low level routines included that can be used to access ...

1.1 Michael Green 2007-03-15 2008-02-27 3,958  
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