Logging GNSS NMEA Datas using STM32 Primer2 hardware!

• General
  -- 4-direction and center key inputs.
  -- Battery management with low voltage auto shutdown.
  -- Push key to select below three functions.
  -- Systick mSec Timer and uSec Timer(Using hardware timer).
  -- Indication LEDs.

• GNSS Data Logging
  -- Using ChaN's FatFs Filesystem.
  -- Using SDIO with DMA Driver.
  -- Supports MMC,SDSC,SDHC,SDXC and eMMC.

• USB Mass Storage
  -- Using SDIO with DMA Driver.
  -- Supports MMC,SDSC,SDHC,SDXC and eMMC.
  -- Using doublebuffered endpoints(Bulk IN only).
  -- WR:0.55MB/Sec,RD:0.21MB/Sec(using sdsc 1GB card case).

• USB CDC Virtual Comport
  -- Using doublebuffered endpoints(Bulk IN only).
  -- Improved UART Rx performance and stability.
  -- It can send/receive datas to many GPS/GNSS Modules NMEA-0183 Sentences.
  -- Supports 4800~115200Bps,8bit,noparity,1stopbit.

This program can build following compilers
-GNU Tools for ARM Embedded Processors(Recommend)
https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm

And MUST need Coreutils/GNUMake for windows to build this projects.
http:https://gnuwin32.sourceforge.net/packages/coreutils.htm
http:https://gnuwin32.sourceforge.net/packages/make.htm

see /doc/ReadFirst.txt
see /doc/Whatnew.txt

see /doc/Copyright.txt