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author | Uwe Hermann <uwe@hermann-uwe.de> | 2012-01-15 15:36:01 +0100 |
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committer | Uwe Hermann <uwe@hermann-uwe.de> | 2012-01-15 18:18:23 +0100 |
commit | 64c29e28e0efa184319f7831b3eca18c7f73f7d0 (patch) | |
tree | 16b7c84aa9edefb61e01f70384ff280edb3f3483 /decoders/nunchuk.py | |
parent | d0a0ed032e0120140a28e93ac42753786bf0087b (diff) | |
download | libsigrokdecode-64c29e28e0efa184319f7831b3eca18c7f73f7d0.tar.gz libsigrokdecode-64c29e28e0efa184319f7831b3eca18c7f73f7d0.zip |
srd: Each PD now has its own subdirectory.
Diffstat (limited to 'decoders/nunchuk.py')
-rw-r--r-- | decoders/nunchuk.py | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/decoders/nunchuk.py b/decoders/nunchuk.py deleted file mode 100644 index 46bf53c..0000000 --- a/decoders/nunchuk.py +++ /dev/null @@ -1,144 +0,0 @@ -## -## This file is part of the sigrok project. -## -## Copyright (C) 2010-2012 Uwe Hermann <uwe@hermann-uwe.de> -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -## - -# -# Nintendo Wii Nunchuk decoder -# - -# -# TODO: Description -# -# http://wiibrew.org/wiki/Wiimote/Extension_Controllers/Nunchuck -# http://todbot.com/blog/2008/02/18/wiichuck-wii-nunchuck-adapter-available/ -# https://www.sparkfun.com/products/9281 -# - -import sigrokdecode as srd - -# States -IDLE = 0 -START = 1 -NUNCHUK_SLAVE = 2 -INIT = 3 -INITIALIZED = 4 - -class Decoder(srd.Decoder): - id = 'nunchuk' - name = 'Nunchuk' - longname = 'Nintendo Wii Nunchuk' - desc = 'Decodes the Nintendo Wii Nunchuk I2C-based protocol.' - longdesc = '...' - license = 'gplv2+' - inputs = ['i2c'] - outputs = ['nunchuck'] - probes = [] # TODO - options = {} - annotations = [ - ['TODO', 'TODO'], - ] - - def __init__(self, **kwargs): - self.state = IDLE # TODO: Can we assume a certain initial state? - self.sx = self.sy = self.ax = self.ay = self.az = self.bz = self.bc = 0 - self.databytecount = 0 - - def start(self, metadata): - # self.out_proto = self.add(srd.OUTPUT_PROTO, 'nunchuk') - self.out_ann = self.add(srd.OUTPUT_ANN, 'nunchuk') - - def report(self): - pass - - def decode(self, ss, es, data): - - cmd, databyte, ack_bit = data - - if cmd == 'START': # TODO: Handle 'Sr' here, too? - self.state = START - - elif cmd == 'START REPEAT': - pass # FIXME - - elif cmd == 'ADDRESS READ': - # TODO: Error/Warning, not supported, I think. - pass - - elif cmd == 'ADDRESS WRITE': - # The Wii Nunchuk always has slave address 0x54. - # TODO: Handle this stuff more correctly. - if databyte == 0x54: - pass # TODO - else: - pass # TODO: What to do here? Ignore? Error? - - elif cmd == 'DATA READ' and self.state == INITIALIZED: - if self.databytecount == 0: - self.sx = databyte - elif self.databytecount == 1: - self.sy = databyte - elif self.databytecount == 2: - self.ax = databyte << 2 - elif self.databytecount == 3: - self.ay = databyte << 2 - elif self.databytecount == 4: - self.az = databyte << 2 - elif self.databytecount == 5: - self.bz = (databyte & (1 << 0)) >> 0 - self.bc = (databyte & (1 << 1)) >> 1 - self.ax |= (databyte & (3 << 2)) >> 2 - self.ay |= (databyte & (3 << 4)) >> 4 - self.az |= (databyte & (3 << 6)) >> 6 - - d = 'sx = 0x%02x, sy = 0x%02x, ax = 0x%02x, ay = 0x%02x, ' \ - 'az = 0x%02x, bz = 0x%02x, bc = 0x%02x' % (self.sx, \ - self.sy, self.ax, self.ay, self.az, self.bz, self.bc) - self.put(ss, es, self.out_ann, [0, [d]]) - - self.sx = self.sy = self.ax = self.ay = self.az = 0 - self.bz = self.bc = 0 - else: - pass # TODO - - if 0 <= self.databytecount <= 5: - self.databytecount += 1 - - # TODO: If 6 bytes read -> save and reset - - # TODO - elif cmd == 'DATA READ' and self.state != INITIALIZED: - pass - - elif cmd == 'DATA WRITE': - if self.state == IDLE: - self.state = INITIALIZED - return - - if databyte == 0x40 and self.state == START: - self.state = INIT - elif databyte == 0x00 and self.state == INIT: - self.put(ss, es, self.out_ann, [0, ['Initialize nunchuk']]) - self.state = INITIALIZED - else: - pass # TODO - - elif cmd == 'STOP': - self.state = INITIALIZED - self.databytecount = 0 - |