====== Funksteckdosen Fernsteuern mit teensy ======
====== aka Workshop: Mikrocontrollerprogrammierung mit teensy ======
====== Vorbereitung ======
Es müssen folgende Pakete installiert werden:
~ % sudo apt-get install subversion gcc-avr avr-libc build-essential \
avrdude binutils-avr libusb-dev python-matplotlib
Weiters ist es ratsam einen eigenen Ordner für den Workshop anzulegen.
~ % mkdir teensy_workshop
~ % cd teensy_workshop
====== hidrc ======
Mit hidrc kann man einen Linux-PC mit NEC-Fernbedienungen fernsteuern. Andere Protokolle wie RC5 oder RC6 werden derzeit nicht unterstützt.
===== Benötigte Bauteile =====
* Teensy
* TSOP1838
==== Pinbelegung ====
TSOP1838:
D3: Data
Gesamter Port D ist als Input konfiguriert.
PC7 = VCC
PC6 = GND
Ansicht von vorne (Runde empfänger Teil sichtbar)
_________
| |
| O |
| |
---------
| | |
| | |
D Gnd Vcc
==== Quellcode herunterladen ====
~/teensy_workshop % svn checkout https://krypta.wirdorange.org/svn/hidrc/trunk hidrc
~/teensy_workshop % cd hidrc
==== hidrc kompilieren ====
~/teensy_workshop/hidrc (svn)-[trunk:16] % cp keymap_example.h keymap.h
~/teensy_workshop/hidrc (svn)-[trunk:16] % make
~/teensy_workshop/hidrc (svn)-[trunk:16] % cd teensy_loader_cli
~/teensy_workshop/hidrc/teensy_loader_cli (svn)-[trunk:16] % make
~/teensy_workshop/hidrc/teensy_loader_cli (svn)-[trunk:16] % cd ../hid_listen
~/teensy_workshop/hidrc/hid_listen (svn)-[trunk:16] % make
==== udev-Regel kopieren ====
~/teensy_workshop/hidrc/hid_listen (svn)-[trunk:16] % cd ..
~/teensy_workshop/hidrc (svn)-[trunk:16] % sudo cp udev-rules/49-teensy.rules /etc/udev/rules.d/49-teensy.rules
~/teensy_workshop/hidrc (svn)-[trunk:16] % sudo /etc/init.d/udev reload
==== Programm auf teensy brennen ====
~/teensy_workshop/hidrc (svn)-[trunk:16] % make program
==== Kommandos lernen ====
~/teensy_workshop/hidrc (svn)-[trunk:16] % cd hid_listen
~/teensy_workshop/hidrc/hid_listen (svn)-[trunk:16] % ./hid_listen
Waiting for device:
Listening:
start
722EEDD1
722EEDD1
722EEDD1
722EEDD1
722EEDD1
^C
130 ~/teensy_workshop/hidrc/hid_listen (svn)-[trunk:16] % vim ../keymap.h
=== Keycode eintragen ===
Den vorher ausgelesenen Wert (hier 722EEDD1) trägt man in die Datei /hid_listen/keymap.h ein.
722EEDD1 -> 0x72,0x2E,0xED,0xD1
0x72,0x2E,0xED,0xD1,//Key//, //Modifier//,
z.B.: 0x72,0x2E,0xED,0xD1, KEY_DELETE, KEY_ALT | KEY_CTRL,
Gültige Werte für //Key// und //Modifier// stehen in der Datei **usb_keyboard_debug.h**
===== rf433ctl =====
==== Quellcode herunterladen ====
homunkoloss@vidar ~/teensy_workshop % git clone https://github.com/realraum/rf433rcv
homunkoloss@vidar ~/teensy_workshop % cd rf433rcv
homunkoloss@vidar ~/teensy_workshop/rf433rcv (svn)-[rf433rcv:516] % cd pc
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % make
==== teensy_loader_cli verlinken ====
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cd ~
homunkoloss@vidar ~ % ln -s teensy_workshop/hidrc/teensy_loader_cli
homunkoloss@vidar ~ % ls -l
[...]
lrwxrwxrwx 1 homunkoloss homunkoloss 39 2012-04-18 23:39 teensy_loader_cli -> teensy_workshop/hidrc/teensy_loader_cli/
drwxr-xr-x 4 homunkoloss homunkoloss 4096 2012-04-18 23:37 teensy_workshop/
[...]
homunkoloss@vidar ~ % cd -
~/teensy_workshop/rf433rcv/pc
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cd ../teensy
homunkoloss@vidar ~/teensy_workshop/rf433rcv/teensy (svn)-[rf433rcv:516] % make
homunkoloss@vidar ~/teensy_workshop/rf433rcv/teensy (svn)-[rf433rcv:516] % make program
../pc/reset || true
~/teensy_loader_cli/teensy_loader_cli -mmcu=atmega32u4 -w example.hex
===== Variante Easy =====
{{:workshop:rf-433-proto.jpg|}}
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./autotaste.sh 0 > taste.txt
/tmp/tmp.Kbk5QqjpWm
/tmp/tmp.Id0D1V7c7e
/tmp/tmp.UVg5C9GFzd
0:
1 47
2
8
9
10 189
11
12 2
27
28 220
29
30 10
31
284
285 17
286
1:
1
2 26
3
4
5 33
6
7
8 219
9
10 15
11
12 6
13
14 6
15
16 1
18 3
19
20 2
21
22 2
24 3
26
27 170
28
1173samples
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste.txt | ./compress | ./rawhid_test -
Clearing Buffer
Sending Buffer 63 bytes
66 04 96 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0 3f 00 00 00 fc ff ff 1f 80 ff ff ff 03 f8 ff ff 3f 80 ff 01 00 00 e0 ff ff
Sending Buffer 63 bytes
66 7f 00 fc 01 00 00 c0 ff ff ff 01 fc 07 00 00 80 ff ff ff 03 f0 ff ff 7f 00 fe ff ff 0f e0 3f 00 00 00 fc ff ff 0f 80 7f 00 00 00 f0 0f 00 00 00 fe 00 00 00 e0 1f 00 00 00 fe 03 00 00 80 7f
Sending Buffer 23 bytes
66 00 00 00 f8 ff ff 3f 00 ff ff ff 03 f0 1f 00 00 00 fe 03 00 00 c0 3f
Executing Send command
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] %
===== Beschreibung der einzelnen Schritte =====
Autotaste: Versucht eine Periode herauszufiltern, schneidet den Rest weg.
./rawhid_test: Rohes Signal aufnehmen, auf stdout ausgeben. Ohne Parameter: Empfangen, mit filename als Parameter: Sende File, mit "-" sende stdin.
compress: string -> binörformat, mit parameter: kein längenfeld
uncompress: binärformat -> string
./realraum_codes.pl: Bitmuster erzeugen.
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./rawhid_test
00000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111111111111110000000000111111111000000000000000000000000000111111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111111111111111111111111000000000111111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111110000000000000000000000000000111111111000000000000000000000000000011111111100000000000000000000000000001111111100000000000000000000000000001111111110000000000000000000000000000111111111000000000000000000000000000011111111111111111111111111100000000011111111111111111111111111110000000001111111110000000000000000000000000000111111111000000000000000000000000000011111111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111000000000000000000000000000111111111111111111111111111100000000011111111111111111111111111110000000001111111111111111111111111110000000000111111111000000000000000000000000000111111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111111000000000000000000000000000111111111111111111111111111100000000011111111111111111111111111100000000001111111111111111111111111110000000000111111110000000000000000000000000000111111111111111111111111111000000000011111111100000000000000000000000000001111111110000000000000000000000000001111111110000000000000000000000000000111111111000000000000000000000000000011111111100000000000000000000000000001111111100000000000000000000000000001111111111111111111111111110000000000111111111111111111111111111000000000011111111100000000000000000000000000011111111100000000000000000000000000001111111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011111111110000000000000000000000000001111111111111111111111111111000000000111111111111111111111111111000000000011111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111111000000000000000000000000000011111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111111111111111111111111000000000011111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111110000000000000000000000000000111111111000000000000000000000000000011111111100000000000000000000000000001111111110000000000000000000000000001111111110000000000000000000000000000111111111000000000000000000000000000011111111111111111111111111100000000001111111111111111111111111110000000001111111110000000000000000000000000000111111111000000000000000000000000000011111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111000000000000000000000000000011111111111111111111111111100000000001111111111111111111111111110000000001111111111111111111111111111000000000111111111000000000000000000000000000011111111111111111111111111100000000011111111100000000000000000000000000001111111111111111111111111110000000000111111111000000000000000000000000000011111111111111111111111111100000000011111111111111111111111111110000000001111111111111111111111111110000000000111111111000000000000000000000000000011111111111111111111111111100000000011111111100000000000000000000000000001111111110000000000000000000000000000111111110000000000000000000000000000111111111000000000000000000000000000011111111100000000000000000000000000001111111110000000000000000000000000000111111111111111111111111111000000000111111111111111111111111111000000000011111111100000000000000000000000000001111111110000000000000000000000000001111111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001111111110000000000000000000000000001111111111111111111111111111000000000111111111111111111111111111100000000011111111111111111111111111100000000001111111110000000000000000000000000001111111111111111111111111111000000000111111111000000000000000000000000000011111111111111111111111111100000000001111111100000000000000000000000000001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homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./rawhid_test | ./plot.py
cat ^CTraceback (most recent call last):
File "./plot.py", line 12, in
pylab.show()
File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", line 79, in show
Tk.mainloop()
File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 328, in mainloop
_default_root.tk.mainloop(n)
KeyboardInterrupt
1 homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat autotaste.sh
#!/bin/sh
FN=`mktemp`
FN2=`mktemp`
FN3=`mktemp`
echo $FN >&2
echo $FN2 >&2
echo $FN3 >&2
./rawhid_test > $FN
./decode.pl $FN $1 | xargs ./decode2.pl $FN > $FN2
if [ $1 -eq 1 ]; then
./swap.pl < $FN2 >$FN3
else
cat $FN2 > $FN3
fi
./plot.py < $FN3
cat $FN3
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ll
insgesamt 388
-rwxr-xr-x 1 homunkoloss homunkoloss 261 2012-04-18 23:37 autotaste.sh*
-rw-r--r-- 1 homunkoloss homunkoloss 762 2012-04-18 23:37 codes
-rwxr-xr-x 1 homunkoloss homunkoloss 7332 2012-04-18 23:37 compress*
-rw-r--r-- 1 homunkoloss homunkoloss 640 2012-04-18 23:37 compress.c
-rwxr-xr-x 1 homunkoloss homunkoloss 274 2012-04-18 23:37 data2sample.pl*
-rwxr-xr-x 1 homunkoloss homunkoloss 182 2012-04-18 23:37 decode2.pl*
-rwxr-xr-x 1 homunkoloss homunkoloss 1173 2012-04-18 23:37 decode.pl*
-rw-r--r-- 1 homunkoloss homunkoloss 219 2012-04-18 23:37 hid.h
-rw-r--r-- 1 homunkoloss homunkoloss 11445 2012-04-18 23:37 hid_LINUX.c
-rw-r--r-- 1 homunkoloss homunkoloss 11770 2012-04-18 23:37 hid_MACOSX.c
-rw-r--r-- 1 homunkoloss homunkoloss 3660 2012-04-18 23:37 hid.o
-rw-r--r-- 1 homunkoloss homunkoloss 8537 2012-04-18 23:37 hid_WINDOWS.c
-rw-r--r-- 1 homunkoloss homunkoloss 1485 2012-04-18 23:37 Makefile
-rwxr-xr-x 1 homunkoloss homunkoloss 41 2012-04-18 23:37 plot_bin.sh*
-rwxr-xr-x 1 homunkoloss homunkoloss 258 2012-04-18 23:37 plot.py*
-rwxr-xr-x 1 homunkoloss homunkoloss 9688 2012-04-18 23:37 rawhid_test*
-rw-r--r-- 1 homunkoloss homunkoloss 2426 2012-04-18 23:37 rawhid_test.c
-rw-r--r-- 1 homunkoloss homunkoloss 2904 2012-04-18 23:37 rawhid_test.o
-rwxr-xr-x 1 homunkoloss homunkoloss 2263 2012-04-18 23:37 realraum_codes.pl*
-rwxr-xr-x 1 homunkoloss homunkoloss 9668 2012-04-18 23:37 reset*
-rw-r--r-- 1 homunkoloss homunkoloss 869 2012-04-18 23:37 reset.c
-rw-r--r-- 1 homunkoloss homunkoloss 1344 2012-04-18 23:37 reset.o
-rwxr-xr-x 1 homunkoloss homunkoloss 458 2012-04-18 23:37 sample2data.pl*
-rwxr-xr-x 1 homunkoloss homunkoloss 48 2012-04-18 23:37 send.sh*
-rwxr-xr-x 1 homunkoloss homunkoloss 73 2012-04-18 23:37 swap.pl*
-rw-r--r-- 1 homunkoloss homunkoloss 1174 2012-04-18 23:44 taste.txt
drwxr-xr-x 3 homunkoloss homunkoloss 4096 2012-04-18 23:37 testdata/
-rwxr-xr-x 1 homunkoloss homunkoloss 7336 2012-04-18 23:37 uncompress*
-rw-r--r-- 1 homunkoloss homunkoloss 518 2012-04-18 23:37 uncompress.c
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste.txt | ./plot.py
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste.txt | ./sample2data.pl
Base 9
011101010111010000001100% homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste.txt | ./plot.py
^Z
[1] + 4205 done cat taste.txt |
4206 suspended ./plot.py
20 homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % bg
[1] + 4205 done cat taste.txt |
4206 continued ./plot.py
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste.txt | ./sample2data.pl > taste-data
Base 9
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste-data | ./data2sample.pl 5 | ./plot.py
^C
Traceback (most recent call last):
File "./plot.py", line 12, in
pylab.show()
File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", line 79, in show
Tk.mainloop()
File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 328, in mainloop
_default_root.tk.mainloop(n)
KeyboardInterrupt
1 homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] %
1 homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % cat taste-data | ./data2sample.pl 5 | ./compress| ./rawhid_test -
Clearing Buffer
Sending Buffer 63 bytes
66 02 80 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1f 00 f0 ff 07 ff 7f f0 ff 07 1f 00 f0 ff 07 1f 00 f0 ff 07 1f 00 f0 ff 07 ff 7f f0 ff 07 1f 00 f0 ff 07 1f 00 f0 01 00 1f
Sending Buffer 19 bytes
66 00 f0 01 00 1f 00 f0 01 00 ff 7f f0 ff 07 1f 00 f0 01 00
Executing Send command
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./realraum_codes.pl
Usage ./realraum_codes.pl {pollin,rsl336t,weiss,schwarz} remote parameters at ./realraum_codes.pl line 28.
255 homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./realraum_codes.pl pollin
parameters 00000 {a|b|c|d} {0|1} at ./realraum_codes.pl line 74.
255 homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./realraum_codes.pl pollin 11111 b 1
000000000001000101010001% homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./realraum_codes.pl pollin 11111 b 1 | ./data2sample.pl 5 | ./compress| ./rawhid_test -
Clearing Buffer
Sending Buffer 63 bytes
66 02 80 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 ff 07 1f 00 f0 01 00 1f 00 f0 ff 07 1f
Sending Buffer 19 bytes
66 00 f0 ff 07 1f 00 f0 ff 07 1f 00 f0 01 00 1f 00 f0 ff 07
Executing Send command
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] % ./realraum_codes.pl pollin 11111 b 0 | ./data2sample.pl 5 | ./compress| ./rawhid_test -
Clearing Buffer
Sending Buffer 63 bytes
66 02 80 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 01 00 1f 00 f0 ff 07 1f 00 f0 01 00 1f 00 f0 ff 07 1f
Sending Buffer 19 bytes
66 00 f0 ff 07 1f 00 f0 ff 07 1f 00 f0 ff 07 1f 00 f0 01 00
Executing Send command
homunkoloss@vidar ~/teensy_workshop/rf433rcv/pc (svn)-[rf433rcv:516] %
===== Pinbelegung =====
USB-Stick am PC anstecken. Leitung auf D0 legen.
Sender: Datenleitung auf F0, GND auf GND, Vcc auf Vcc.
===== Fehlersuche =====
==== hidrc kompiliert nicht ====
=== Fehler ===
~/teensy_workshop/hidrc (svn)-[trunk:16] % make
-------- begin --------
avr-gcc (GCC) 4.3.5
Copyright (C) 2008 Free Software Foundation, Inc.
Dies ist freie Software; die Kopierbedingungen stehen in den Quellen. Es
gibt KEINE Garantie; auch nicht für MARKTGÄNGIGKEIT oder FÜR SPEZIELLE ZWECKE.
Compiling C: example.c
avr-gcc -c -mmcu=atmega32u4 -I. -gdwarf-2 -DF_CPU=16000000UL -Os -funsigned-char -funsigned-bitfields -ffunction-sections -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-adhlns=./example.lst -std=gnu99 -MMD -MP -MF .dep/example.o.d example.c -o example.o
example.c:38:20: Fehler: keymap.h: Datei oder Verzeichnis nicht gefunden
example.c: In Funktion »__vector_23«:
example.c:110: Fehler: »mapping« nicht deklariert (erste Benutzung in dieser Funktion)
example.c:110: Fehler: (Jeder nicht deklarierte Bezeichner wird nur einmal aufgeführt
example.c:110: Fehler: für jede Funktion in der er auftritt.)
make: *** [example.o] Fehler 1
=== Lösung ===
~/teensy_workshop/hidrc (svn)-[trunk:16] % cp keymap_example.h keymap.h
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{{tag>workshop project}}