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Author SHA1 Message Date
Werner Almesberger
c9923b4282 fw/antorcha.c (main): allow a new sweep to preempt an active sweep 
Waiting until the current sweep finished could delay the next sweep
(without cancelling it), confusing the timing.
 2012-06-28 01:33:31 -03:00
Werner Almesberger
69ee8dfec7 tools/antorcha.c (usage): explain options and show parameter names and defaults 2012-06-28 01:21:47 -03:00
Werner Almesberger
00f0b4e692 tools/antorcha.c: new option -R to command a reset 2012-06-28 00:39:15 -03:00
Werner Almesberger
fe3ff8d5e1 fw/antorcha.c: cleanup 
- rename "param" to send_param"
- move "map" from add_param to compilation unit scope
 2012-06-27 03:32:10 -03:00
Werner Almesberger
558f5a7503 fw/antorcha.c (send_image, param): update hash when sending salt 2012-06-27 03:30:33 -03:00
Werner Almesberger
3241822a93 tools/antorcha.c: add parameter upload 2012-06-27 03:28:41 -03:00
Werner Almesberger
d651c23a04 fw/proto.h: assorted cleanup and corrections 
- remove struct params.clkT_period
- correct size of tp_*_start
- correct size of tp_*_pix
- move MAX_LINES from image.h to proto.h (to ease sharing with tools)

Things now work a bit differently from how they were planned back when
clkT_period was added.
 2012-06-27 03:07:56 -03:00
Werner Almesberger
0a0792688b fw/: add parameter upload (untested), move parameters from antorcha.c to param.c 2012-06-27 02:36:08 -03:00
Werner Almesberger
276ffd7f44 fw/image.* (image_secret): make image_secret global, for future sharing 2012-06-27 02:30:39 -03:00
Werner Almesberger
308c094af2 fw/: rearrange parameters and move defaults from antorcha.c to proto.h 2012-06-27 02:15:50 -03:00
Werner Almesberger
cb846be507 fw/antorcha.c: add backward sweep 2012-06-25 11:37:16 -03:00
Werner Almesberger
00180fb287 try cleaner sweep synchronization algorithm 
The predictive part doesn't produce useful results so far, so we still
use a fixed offset from the trigger.
 2012-06-25 10:48:19 -03:00
Werner Almesberger
023c2aa1e9 fw/: base sweep start time on absolute time 
This way, we can define the next sweep while the previous one is still
in progress.
 2012-06-24 11:59:52 -03:00
Werner Almesberger
646f54d25c fw/sweep.c (TIMER1_OVF_vect): turn off the LEDs when done 
This means that the image no longer has to contain terminating all-zero rows.
 2012-06-23 22:29:05 -03:00
Werner Almesberger
695bc5a25a fw/: reduce image width from 100 to 80 square pixels 
To achieve square 100 pixels (1:6.25 image aspect ratio), very vigorous
movement is needed. 80 pixels (still 1:5) are easier. Initial estimates
suggested a usable range of 1:4-1:5, so this is still good.

Note that we may want to change the aspect ratio of the pixels themselves
in the future (for smoother letters), so the pixel count may go up again.

80 pixels correspond to 11 characters in a 7x5 font with 2 pixels
separation between characters. We may want to go up to 82 pixels
to allow a 12th character - or use a proportional font.
 2012-06-23 21:57:18 -03:00
Werner Almesberger
7816ea89d5 fw/antorcha.c: crude synchronization of image with movement 
Doesn't look too bad for a first try.
 2012-06-23 21:53:26 -03:00
Werner Almesberger
dd72f4642e fw/spi.c: explain why we probably can't reach fosc/2 = 4 MHz 2012-06-23 14:54:31 -03:00
Werner Almesberger
5b1f722568 tools/: -S now dumps samples to stdout; -S -S produces graphical output 2012-06-23 14:35:44 -03:00
Werner Almesberger
2f120fa683 tools/antorcha.c (samples): move reading of X/Y samples to shared function 2012-06-23 14:25:08 -03:00
Werner Almesberger
18c7b43a59 fw/reset.c: oops, forgot to commit the reset protocol handler 2012-06-23 12:03:25 -03:00
Werner Almesberger
06f9907cae fw/image.c: put image_secret in PROGMEM to save scarce RAM 2012-06-23 12:01:37 -03:00
Werner Almesberger
a59bb00a27 fw/hash.[ch]: new function hash_merge_progmem to read from Flash instead of RAM 2012-06-23 11:59:47 -03:00
Werner Almesberger
420370ee9c Merge branch 'detached' 
Had a detached head for several hours :-(

Conflicts:
	doc/PROTOCOL
	fw/sample.c
 2012-06-21 21:20:05 -03:00
Werner Almesberger
e2f228907b fw/accel.c (adcsra): let ADC run at 125 kHz (instead of 67.5 kHz) 2012-06-21 21:12:20 -03:00
Werner Almesberger
b262e2f142 fw/spi.c (spi_init): revert the SPI speed increase (caused instability) 
Some more testing showed that transfers would get stuck after ~40 packets.
Need to find out what happened before trying this again.
 2012-06-21 19:52:41 -03:00
Werner Almesberger
ffcfd3d09d fw/spi.c (spi_init): raise SPI speed from fosc/4 to fosc/2 2012-06-21 19:38:44 -03:00
Werner Almesberger
ea994c8ed0 tools/antorcha.c (samples): show the timestamp when printing sample values 2012-06-21 19:19:40 -03:00
Werner Almesberger
28cf696a08 fw/sample.c (handler): set the time in samples (was set to zero, for debugging) 2012-06-21 19:16:55 -03:00
Werner Almesberger
77bd5797d3 tools/plot.c: clear sample mode screen with C 2012-06-21 18:56:18 -03:00
Werner Almesberger
87050bc12a tools/: exit from sample mode by pressing Q or by closing the window 2012-06-21 18:48:54 -03:00
Werner Almesberger
4eb1065dd7 tools/: add sampling mode (-S) with graphical output 2012-06-21 16:21:56 -03:00
Werner Almesberger
734e33cd19 doc/PROTOCOL: clarify byte order in SAMPLES messages 2012-06-21 16:20:21 -03:00
Werner Almesberger
8eca4c99c7 fw/sample.c: fix logic in handler() and filter incomplete samples 
An incomplete sample would be an X value followed by another X value,
or Y followed by Y. Not entirely sure why this happens in the first
place, but it does happen.
 2012-06-21 16:17:47 -03:00
Werner Almesberger
58e0dda95d fw/accel.c: use timer 0 to trigger a pair of conversions (X/Y) only every 1 ms 2012-06-21 16:15:56 -03:00
Werner Almesberger
c7494c80fa fw/accel.c: fix update() add interrupt-friendly update_irq() 
Still untested.
 2012-06-21 16:14:56 -03:00
Werner Almesberger
7356fccbfd tools/Makefile: target "off" to load an empty image 2012-06-21 12:57:35 -03:00
Werner Almesberger
27455749bd fw/: add acceleration sensor sample protocol (untested) 2012-06-21 12:51:57 -03:00
Werner Almesberger
f0e79b8dcc fw/: add acceleration sensor sample protocol (untested) 2012-06-21 12:12:10 -03:00
Werner Almesberger
7a0bc4cb9c fw/spi.c: clean up code and add option for running at fosc/2 instead of fosc/4 
Not enabled yet. There's a RF comm regression elsewhere that needs fixing
first.
 2012-06-21 12:03:32 -03:00
Werner Almesberger
eaa11b110c fw/: sample the acceleration sensor (untested) 2012-06-21 08:56:56 -03:00
Werner Almesberger
7045109090 fw/accel.c: keep track of uptime and return it with uptime() (untested) 2012-06-21 08:56:41 -03:00
Werner Almesberger
3b7c3017fc tools/Makefile: new targets "update" and "ping" for firmware update and ping 2012-06-20 18:43:26 -03:00
Werner Almesberger
2bac5e74a7 fw/image.c (image_first): call image_more to process the payload 
This makes things work also for zero-sized files. I.e.,

./antorcha /dev/null

does precisely what one would expect. (Before, the transfer was
accepted, but the first salt block became the new image.)
 2012-06-20 18:39:29 -03:00
Werner Almesberger
2011c515c8 fw/: pass limit also to "first" function of protocol handlers 2012-06-20 18:37:13 -03:00
Werner Almesberger
647f029775 tools/bit2ant: X bitmap to Antorcha image converter 2012-06-20 18:28:30 -03:00
Werner Almesberger
87f0ed17fc tools/antorcha.c (send_image): fix packet type 
Argh. Image upload now seems to work.
 2012-06-20 17:17:23 -03:00
Werner Almesberger
625f262e1d tools/antorcha.c: new option -d to enable message content dumping 
This was a quick and dirty compile-time option before.
 2012-06-20 17:17:16 -03:00
Werner Almesberger
bafdc8c563 tools/antorcha.c (usage): document image upload syntax 2012-06-20 17:13:30 -03:00
Werner Almesberger
c6fc8190de fw/image.c: fix use of hash functions; make image pointer setup more readable 
It was almost impossible NOT to read

next_image = p = image == images[0] ? ...
                      ^^^^
as if it was

next_image = p = image = images[0] ? ...
                      ^^^
 2012-06-20 16:51:40 -03:00
Werner Almesberger
1668e702e5 fw/dispatch.c: fix initial sequence number; some cleanup 2012-06-20 16:50:55 -03:00