https://github.com/manitou48/DUEZoo

Some proof-of-concept sketches and results for Arduino DUE
https://github.com/manitou48/DUEZoo

Last synced: about 2 months ago
JSON representation

Some proof-of-concept sketches and results for Arduino DUE

• Host: GitHub
• URL: https://github.com/manitou48/DUEZoo
• Owner: manitou48
• Created: 2012-12-22T20:32:15.000Z (about 12 years ago)
• Default Branch: master
• Last Pushed: 2023-09-11T19:07:48.000Z (over 1 year ago)
• Last Synced: 2024-08-03T18:16:22.392Z (5 months ago)
• Language: C++
• Size: 716 KB
• Stars: 44
• Watchers: 11
• Forks: 8
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• Awesome-arduino - DUEZoo - Some proof-of-concept sketches and results for Arduino DUE (Tutorials)
• awesome-arduino - DUEZoo - Some proof-of-concept sketches and results for Arduino DUE (Tutorials)

README

        
# DUE Zoo


https://github.com/manitou48/DUEZoo

Collection of various DUE sketches and results.

Files | Description

---|---

**blinksize.txt**  | Flash and SRAM used for blink sketch

chiptemp.ino  | read DUE internal analog temperature sensor

dacdmatmr | DAC DMA clocked by timer

dmaspi.ino  |  unconnected SPI test at varous MHz and with DMA

spislave.ino  |  simple SPI slave example

mem2mem.ino  | memcpy vs DMA memory-to-memory

mem2mem2.ino | memcpy dueling DMA memory-to-memory with IRQ

**power.txt**    | board current draw with board LED off and on, AVR low power

tone1.ino    |proof-of-concept tone() with timer with IRQ

rng.ino      | display or transmit DUE's hardware random number generator, looks good with diehard, ent, assess

maplerng.pde  | maple LSI timer/systick random number generator

**RNGperf.txt**  | RNG performance, DUE, teensy, UNO, Raspberry PI, maple

W5100.cpp .h |modifications to support w5200 wiznet chip on DUE replace in hardware/arduino/sam/libraries/Ethernet/utility/ also Ethernet.h has a simple modification

w5100.cpp.dma1|SPI+DMA DUE version for w5200

**perf.txt**      |simple computational benchmarks, coremark, linpack

**I2Cperf.txt**   |I2C performance  100KHz and 400KHz

**SDperf.txt**    |SD/SPI performance at various clock rates and with DMA

**SPIperf.txt**   |SPI performance at various clock rates and with DMA

**mem2mem.txt**   |timing results for memcpy()/memset() and DMA versions

**wizperf.txt**   |Ethernet performance of wiznet WIZ820io that uses W5200 chip SPI and SPI+DMA results for DUE, teensy 3, and maple plus UNO W5100 performance for UNO

**netpower/** | WiFi/Ethernet power consumption graphs

IRtest/       |DUE IRremote proof of concept

**isrperf.txt**   |interrupt latency results for DUE, maple, teensy

isrperf.ino   |DUE sketch to measure interrupt latency

**cc3000.txt**   |wifi performance of TI CC3000 chip

**dac.txt**   |DAC settle time and source current


---------------------- details --------------------


Changing the DUE's I2C clock rate TWI_CLOCK in 

   arduino-1.5/hardware/arduino/sam/libraries/Wire/Wire.h 

requires restarting the IDE.  TWI speed for teensy 3.0 in Wire.ccp,

must restart IDE.



![coremark](corebar.png)

more  plots at http://manitou48.github.io/

Results and sketches of testing various crystals, resonators, RC oscillators,

and TCXOs  with various MCUs 

( UNO, DUE, maple, teensy 3.0,  propeller, beagle, raspberry pi) see

  https://github.com/manitou48/crystals



“One accurate measurement is worth a thousand expert opinions”




  -- Adm Grace Hopper ( Dec 9 1906 to Jan 1 1992)