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Diffstat (limited to 'sysextest.py')
| -rw-r--r-- | sysextest.py | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/sysextest.py b/sysextest.py new file mode 100644 index 0000000..fe5cdad --- /dev/null +++ b/sysextest.py @@ -0,0 +1,131 @@ +'''---------------------------------------------------------------- sysextest.py +This is a quick and dirty debugging console for a midi device. + +It recieves sysex messages sent the the dev id 0x7d 0x33 0x33 and decodes and +prints them. The messages are encoding using the intel hex format because +I planned to use the same format to transmit data to and from a bootloader. + +Currently the sender is not identified however the address and type fields are +avaliable for this purpose. + +In addition it also sends and recieves the Univeral midi sysex id request. + + + Copyright (c) 2011 Donald Delmar Davis, Suspect Devices + + Permission is hereby granted, free of charge, to any person obtaining a copy of this + software and associated documentation files (the "Software"), to deal in the Software + without restriction, including without limitation the rights to use, copy, modify, + merge, publish, distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to the following + conditions: + + The above copyright notice and this permission notice shall be included in all copies + or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, + INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +''' +import rtmidi_python as rtmidi +import time + +# this stuff should probably go in a constants file. +SYSEX_BEGIN =0xf0 +SYSEX_NON_REAL_TIME =0x7e +SYSEX_NON_REAL =0x7f +SYSEX_ALL_CHANNELS =0x7f +SYSEX_GENERAL_INFO =0x06 +SYSEX_IDENTITY_REQUEST =0x01 +SYSEX_IDENTITY_REPLY =0x02 +SYSEX_END_SYSEX =0xF7 + +askfortheids=[SYSEX_BEGIN,SYSEX_NON_REAL_TIME,SYSEX_ALL_CHANNELS, + SYSEX_GENERAL_INFO,SYSEX_IDENTITY_REQUEST,SYSEX_END_SYSEX] + +''' + this is our callback routine for midi messages. + It handles sysexes sent to it and the universal sysex id response. +''' +def handleOurSysexes(message, time_stamp): + if (len(message)>4 and message[0]==SYSEX_BEGIN): #if its a sysex message + if (message[1]==125 and message[2]==51 and message[3]==51): + print "DBG:",decodeHexLine(message) + elif (message[1]==SYSEX_NON_REAL_TIME and message[3]==SYSEX_GENERAL_INFO + and message[4]==SYSEX_IDENTITY_REPLY ): + print 'MANUFACTURER ID: 0x%02X 0x%02X 0x%02X' % ( + message[5],message[6],message[7]) + print "PRODUCT ID : 0x%02X%02x" % ( + message[8], message[9]) + print "VERSION : 0x%02X%02x%02X%02x" % ( + message[10],message[11],message[12],message[13]) + + +#:llaaaattd1..dncs +def decodeHexLine(payload): +# print payload + #length = int(chr(payload[5])+chr(payload[6]),16) + #address = int(chr(payload[7])+chr(payload[8])+chr(payload[9])+chr(payload[10]),16) + #type = int(chr(payload[11])+chr(payload[12]),16) + #checksum = int(chr(payload[len(payload)-2])+chr(payload[len(payload)-2]),16) + high=None + decoded='' + for byte in payload[13:len(payload)-3] : + if high is None: + high=byte + else: + pair=chr(high)+chr(byte) + decoded=decoded+chr(int(pair,16)) + high=None + return decoded + +# main code begins here. + +midi_in = rtmidi.MidiIn() +midi_out = rtmidi.MidiOut() +print midi_in.ports +midi_in.callback = handleOurSysexes +midi_in.ignore_types(False,False,False) +midi_in.open_port(0) +midi_out.open_port(0) +time.sleep(5) +midi_out.send_message(askfortheids) + + +while 1: + time.sleep(5) + print "requesting id" + midi_out.send_message(askfortheids) + + +""" + http://www.blitter.com/~russtopia/MIDI/~jglatt/tech/midispec.htm + + 0xF0 SysEx + 0x7E Non-Realtime + 0x7F The SysEx channel. Could be from 0x00 to 0x7F. Here we set it to "disregard channel". + 0x06 Sub-ID -- General Information + 0x01 Sub-ID2 -- Identity Request + 0xF7 End of SysEx + Here is the Identity Reply message: + 0xF0 SysEx + 0x7E Non-Realtime + 0x7F The SysEx channel. Could be from 0x00 to 0x7F. + Here we set it to "disregard channel". + 0x06 Sub-ID -- General Information + 0x02 Sub-ID2 -- Identity Reply + 0xID Manufacturer's ID + 0xf1 The f1 and f2 bytes make up the family code. Each + 0xf2 manufacturer assigns different family codes to his products. + 0xp1 The p1 and p2 bytes make up the model number. Each + 0xp2 manufacturer assigns different model numbers to his products. + 0xv1 The v1, v2, v3 and v4 bytes make up the version number. + 0xv2 + 0xv3 + 0xv4 + 0xF7 End of SysEx +"""
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