RTC experiments directory
New shell command added for RTC set and get
new gitignore
Progress on setting up RTC CR for calibration output on PC13
spreadsheet
Changed RTC to use LSE (external crystal) clock.
Confirm calibration at PC13 for new RTC prediv_a settings.
Correction to millisecond calculation when reading the RTC SSR register for
sub-millisecond time stamps.
Progress on psas_rtc module
Testing on RTC module with Vbat
added COE Debug to makefile
Added sd_exp directory. This is for experimenting with sd card
Cleanup directories
More experiments with sd cards. See sd_exp directory.
Two commands: tree and sdct can be run from shell to
test opening writing and closing file functions.
new directory for logging experiments
Developing experimental sdlog thread
Chasing strange card behavior on existing vs. non-exisiting file.
More experiments with sdlog_thread. Added function to seek to end of file after opening, since there is no open append-mode in FatFS system.
Basic write thread working.

Will detect if card inserted and removed.
Will detect if file exists and create or
open as appropriate.

Currently only writing ascii message for
debugging.
Progress on binary logging.