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#+TAGS: { design feature enhancement task bug }

* MPU Features
** TODO Capture Alien N-Counter Events 				    :feature:
** TODO Capture Photos from Webcam 				    :feature:
** TODO Capture Audio from Microphone 			    :feature:
** TODO Capture Light-Sensor (Photodiode) Values 	    :feature:
** TODO Capture Temperature Data				    :feature:
** TODO Store captured data on SD Card				    :feature:
** TODO Read captured data from SD Card				    :feature:
** TODO Provide a simple index of data on SD Card		    :feature:
** TODO Automatically trigger capturing photos			    :feature:
** TODO Handle Commands from IHU 				    :feature:
*** TODO MPU-Command: Prepare-Shutdown 				    :feature:
*** TODO MPU-Command: Save energy				    :feature:
** TODO Send parameters to IHU					    :feature:
** TODO Handle Commands from Radio-Transceiver			    :feature:
*** TODO Radio-Command: Give page of object index		    :feature:
*** TODO Radio-Command: Give page of data object		    :feature:
*** TODO Radio-Command: Set some parameters of whatever		    :feature:
**** Examples:
- speed of morse code
- sensitivity of (e.g. photodiodes)
- parameters for MPU/IHU algorithms
*** TODO Radio-Command: Give address/length from SD Card 	    :feature:
* General Todo-List
** TODO Data-Format for SD Card
** TODO Task and Protocol Design Rev. 1
** TODO Clarify License Issues of 3rd Party Code
** TODO MPU Program States: e.g. which function may be used in which state
** TODO Definition of "interesting" photos, i.e. when to take a photo
** TODO Definition of IHU Commands
** TODO Define Priorities of different commands/interrupts
* Implementation Todo-List
** DONE Read values from ADC
** DONE Read/Write RS232
CLOSED: [2012-05-29 Tue 22:24]
:LOGBOOK:
- State "DONE"       from "TODO"       [2012-05-29 Tue 22:24]
:END:
** TODO [#C] Common header format for source files (license etc.)
** TODO Write to SD Card (raw)
** TODO Read from SD Card (raw)
** TODO Write to SD Card (object)
** TODO Read from SD Card (object)
** TODO Read from SD Card (part of object)
** TODO Read out temperature sensors (by one-wire bus) (requires: temperature sensors)
** TODO Read out light sensors (by ADC)
** TODO Read out microphone (by SPI)
** STARTED Understand IHU (by RS232)
:LOGBOOK:
- State "STARTED"    from "TODO"       [2012-05-29 Tue 22:24]
:END:
* Open Questions
** TODO Map light intensity to photodiode and Webcam values
i.e.: given some photodiode ADC read-out, what is the expected histogram for the
Webcam picture
* SD Card FS
** Note: Take care of crashing SD Card firmware/controller
* RTOS Task / (Message-)Protocol Design
** Tasks