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OpenLog
=======
[
*OpenLog (DEV-09530)*](https://www.sparkfun.com/products/9530)
OpenLog is an open source project to create a simple to use data logger.
OpenLog v1 is stable but only supports FAT16 and up to 2GB.
OpenLog v2 is a bit buggy but supports FAT32 and SD cards up to 16GB.
OpenLog v3 is stable, supports FAT32 and supports higher record speeds (115200/57600).
License Information
-------------------
The hardware design and firmware are released under [Creative Commons Share-alike 3.0](http://creativecommons.org/licenses/by-sa/3.0/).
The FAT16/FAT32 firmware was originally designed by Roland Riegel and is released under [GPL v2](http://www.gnu.org/licenses/gpl-2.0.html).
OpenLog v2.0 and above uses sdfatlib written by Bill Greiman and is released under [GPL v3](http://www.gnu.org/licenses/gpl-3.0.html).
The OpenLog firmware was created by SparkFun Electronics.
Repository Contents
-------------------
* **/hardware** - Hardware design files for the OpenLog PCB. These files were designed in Eagle CAD.
* **/firmware**
* OpenLog_v3 - Firmware that ships with OpenLog
* OpenLog_v3_Light - Alternative version to allow for larger buffers
* Examples - Example Arduino code for controlling and testing OpenLog
Version History
---------------
* **v1.0** Buggy initial release
* **v1.1** Small changes to system settings and EEPROM storage.
* **v1.2** Added wild card to listing and remove commands. Added read file command.
* **v1.3** Added auto buffer record if unit sits idle for more than 5 seconds.
* **v1.4** Increase buffer size to 900 bytes. Pinning down URU errors.
* **v1.5** Lowered power consumption to ~2mA avg. Added 4800 and 19200 baud rates.
* **v1.51** Added configurable escape character, and escape character amount.
* **v1.6** Added ability to configure via config.txt file.
* **v2.0** Massive overhaul. Ported to sdfatlib. Now supports FAT16/FAT32/SD/SDHC.
* **v2.1** Power save not working. Fixed issue 35. Dropping characters at 57600bps.
* **v2.11** Tested with 16GB microSD. Fixed issues 30 & 34. Re-enable power save.
* **v2.2** Modified append_file() to use a single buffer. Increased HardwareSerial.cpp buffer to 512 bytes.
* **v2.21** ringp fork brought in. rm dir, cd .., and wildcards now work!
* **v2.3** Migrated to v10.10.10 of sdfatlib. Moved to inline RX interrupt and buffer.
* **v2.4** Merged ringp updates. Commands cd, rm, ls work again!
* **v2.41** Power loss bug fixed. Adding support for 38400bps for testing with SparkFum 9DOF IMU logging.
* **v2.5** Added software reset command. Modified the read command to print extended ASCII characters.
* **v2.51** Changed command prompt control to ignore \n for easier control from microcontroller.
* **v3.0** Migration to Arduino v1.0 and better recording speed at 115200bps and 57600bps.
* **v3.1** Better handling of recording during power loss.
* **v3.2** Freed up RAM for larger RX ring buffer. Added support for wildcards and ability to ignore emergency override.