![]() PC1 Encryption cipher with 128-bit keys - Posted by: alexander pukall DES & SKIPJACK - Posted by: Jeff FrohweinĮric has implemented DES on a PIC and SKIPJACK cryptographic algorithms on a PIC & Scenix. Want to integrate strong cryptography in your PIC program? Need a good random number generator? Take a look at this routine collection by Marco Di Leo. It also demonstrates techniques for implementing circular buffers, hexadecimal output, text message output, and multiplexed use of I/O pins for both switches and LEDs.Įncryption - Andrew Warren's Page - Posted by: Jeff FrohweinĪ tiny encryption algorithm, BCD clock, day of the week, minimum value, and bcd-to-binary PIC code can be found here. UART Virtual Peripheral - Posted by: Jeff FrohweinĮric's Scenix full duplex software UART Virtual Peripheral code. Steven Hardy's DTMF coding/decoding - Posted by: Jeff Frohwein PIC17C42 Firmware PN Generator - De-Spreader (Use for TX or RX), FBASIC TICKIT PN Generator, & more. Spread Spectrum - Posted by: Jeff Frohwein S.N.A.P is an free and open network protocol. SNAP - Scaleable Node Address Protocol - Posted by: Jeff Frohwein Also there's an excellent section on Sine, DTMF decoding, and math theory. Sine generation, PWM, and math routines can be found here. Sine Generation, Sine Wave Theory & PWM - Posted by: Jeff Frohwein PIC16C5x code for implementing the sine function and DTMF using Pulse Width Modulation. Sine function & PWM DTMF - Posted by: Jeff Frohwein Scenix Telephony Apps - Posted by: Jeff FrohweinĭTMF Detection, DTMF Generation (PWM), FSK Modulation/Demodulation, Call-Progress Detection, CallerID (type I) Demodulation, Ring Detection Henry Ott has designed a system that is specifically designed to encode multiple pre-programmed numeric messages to pocsag compatible pagers. POCSAG encoder & POCFLEX 4 level decoder - Posted by: Jeff Frohwein PICWave by Jaco Swart takes a clock input and produces a clock/240 sine wave output. PICWave Audio Function Generator - Posted by: Jeff Frohwein The reason the file is so large is that it contains copious notes on all the little GOTCHAS that you have to contend with. Heavily commented assembly language program/document in MPLAB format that details how to use the PIC16C74's built-in UART. PIC16C74 UART Driver - Posted by: Jeff Frohwein The hardware can also be used as a general purpose DTMF to RS232 converter. ![]() Connects to a standard COM-port, and displays incoming calls with number, and (if stored in the phonebook), name, picture and sound. PC NummerViser - Posted by: Jeff FrohweinĬLIP-device for use with a PC, on the danish PSTN. Median filters also involve NO MATH, a big plus for 8 bit microcontrollers. Median filters are better at characterizing signals with non-gaussian noise, esp. Median Filtering - Posted by: Jeff Frohwein ![]() Malcolm Goris' Sin/Cos code - Posted by: Jeff FrohweinĬORDIC-based Sin and Cos Subroutine for PIC Microcontrollers. They have higher efficiencies and lower distortions as compared to PWM. "Magic sinewaves" are repeating long sequences of ones and zeros. Magic Sinewave Library - Posted by: Jeff Frohwein A small, but effective exchange, for use with "distinctive ringing". Intelligent Private Automatic Bi-eXchange with Privacy Phone. Ellis' CallerID - Posted by: Jeff FrohweinĬaller ID (ex-SU "2 from 6" standard) decoder schematics and descriptions. DTMF Encoder - Posted by: Jeff FrohweinĭTMF Encoder by David B. DTMF - Decoding with a 1-bit A/D converter - Posted by: Jeff FrohweinĮxcellent theory on performing this operation with some example PIC code. Richard Ottosen has developed a SX-based improved version of the Digital Frequency Synthesizer described in Tom Napier's article "Digital Frequency Synthesis" in issue 99 (October 1998) of Circuit Cellar INK. Digital Frequency Synthesizer - Posted by: Jeff Frohwein Many links for Caller ID including PIC code. Caller ID / DTMF Audio Decoder - Posted by: Jeff Frohwein AFSK 1200 Modem - Posted by: Jeff Frohwein The PIC Archive - Posted by: Jeff FrohweinĬommunication - 1200 baud FSK modem - Posted by: Jeff Frohwein Scenix App Notes - Posted by: Jeff Frohwein Wieman's PIC archive - Posted by: Jeff Frohwein Quite a few PIC related projects or links under PIC FAQs. PICLIST Archive - Posted by: Jeff Frohwein This is the complete list of Microchip Application notes. Microchip App Notes - Posted by: Jeff Frohwein Here is a web-style PIC Project Mirror maintained by Thomas Stratford. The code from Everyday Practical Electronics Magazine ( US Site/ UK Site) articles can be found here. "News & info related to PIC and Ubicom development."Īrchives - EPE PIC Source Code Page - Posted by: Jeff Frohwein
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