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
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
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
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
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
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
27455749bd
fw/: add acceleration sensor sample protocol (untested)
2012-06-21 12:51:57 -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
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
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
Werner Almesberger
ab00d8e231
fw/antorcha.c: don't overrun image by one line in test mode
2012-06-20 16:48:16 -03:00
Werner Almesberger
b7d80f1340
fw/fw.c: simplify the use of the sequence number a little (untested)
...
Not sure if this even produces better code. It looks a bit cleaner, though.
2012-06-20 16:46:27 -03:00
Werner Almesberger
6286aa9bbc
fw/sweep.c: use ICR1 instead of double-buffered OCR1A; set pixel_ticks
...
Our timing is now accurate within a measured 0.5% on the test device,
which is well within the specified 1% of the calibrated RC oscillator.
2012-06-20 16:40:33 -03:00
Werner Almesberger
ea2cd37c04
properly implement "ping" and invoke it with antorcha -P
2012-06-20 11:31:56 -03:00
Werner Almesberger
9bc9c57fb2
fw/: simple image test mode (still untested)
2012-06-20 10:41:27 -03:00
Werner Almesberger
87cc67d5f7
fw/: add image data upload (completely untested)
2012-06-20 10:30:40 -03:00
Werner Almesberger
6223a58552
fw/: move image data from sweep.[ch] to new image.[ch]
2012-06-20 07:45:04 -03:00
Werner Almesberger
7003c9c35b
fw/: added image sweep (completely untested)
2012-06-20 07:39:24 -03:00
Werner Almesberger
3c4855deff
fw/Makefile: cleanup
...
Remove references to a reset-secret, removed remote control via
programming interface.
2012-06-18 20:37:51 -03:00
Werner Almesberger
cc4b5607c7
RESET protocol to jump from application to boot loader without power cycling
2012-06-18 20:31:20 -03:00
Werner Almesberger
683056bca7
fw/Makefile: generate random unlock secret (from /dev/urandom)
2012-06-18 19:26:25 -03:00
Werner Almesberger
332f8aceb6
add ben-wpan to include search paths, for at86rf230.h
2012-06-18 19:24:12 -03:00
Werner Almesberger
89b10939f9
make firmware upload protocol less secure but lean; boot loader works
2012-06-18 18:22:56 -03:00
Werner Almesberger
56476539cf
fw/: addition of boot loader (WIP) and assorted cleanup and improvements
...
The boot loader currently uses the protocol switch intended for the
application. This makes it too big to fit in the very limiting
constraints the ATmega168 poses - and there's not even cryptographic
authentication yet. We'll have to dumb it down quite a bit.
2012-06-18 10:56:43 -03:00
Werner Almesberger
df6ceb8394
fw/: first version of experimental firmware
2012-06-16 22:16:37 -03:00
