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fcb1010.py
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fcb1010.py
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# Interface for MIDI System Exclusive messages used by Behringer FCB1010
#
# Allows sending and receiving sysex between computer MIDI port and FCB1010
# Allows loading and saving data using comma separated value file
#
# Copyright Brian Walton ([email protected]) 2021
# There is no affiliation with Behringer. This is all reverse engineered
#
# Depends on rtmidi which provides MIDI interface on a range of platforms - only tested on Linux ALSA
# Class representing the parameters of a FB1010 preset
class fcb1010_preset:
# Constructor
# pc1_default: MIDI program to send for program change 1
def __init__(self, pc1_default):
self.pc1_enabled = True
self.pc2_enabled = False
self.pc3_enabled = False
self.pc4_enabled = False
self.pc5_enabled = False
self.cc1_enabled = False
self.cc2_enabled = False
self.switch1_enabled = False
self.switch2_enabled = False
self.expA_enabled = True
self.expB_enabled = True
self.note_enabled = False
self.pc1_program = pc1_default
self.pc2_program = 0
self.pc3_program = 0
self.pc4_program = 0
self.pc5_program = 0
self.cc1_controller = 0
self.cc1_value = 0
self.cc2_controller = 0
self.cc2_value = 0
self.expA_controller = 27
self.expA_min = 0
self.expA_max = 127
self.expB_controller = 7
self.expB_min = 0
self.expB_max = 127
self.note_value = 60
# Class representing the complete FCB1010 configuration exposed by MIDI sysex
# Initialised similar to FCB1010 default
class fcb1010:
def __init__(self):
self.preset = [fcb1010_preset(i) for i in range(100)]
self.pc1_midi_channel = 0
self.pc2_midi_channel = 0
self.pc3_midi_channel = 0
self.pc4_midi_channel = 0
self.pc5_midi_channel = 0
self.cc1_midi_channel = 0
self.cc2_midi_channel = 0
self.expA_midi_channel = 0
self.expB_midi_channel = 0
self.note_midi_channel = 0
self.direct_select = False
self.running_status = True
self.merge = True
self.switch1 = False
self.switch2 = False
self.expA_calibration_min = 0
self.expA_calibration_max = 127
self.expB_calibration_min = 0
self.expB_calibration_max = 127
# Get the enable state of a preset's parameters
# data: Raw sysex data as list of integers
# offset: Offset of bitwise flag byte within sysex data
# flag: Index of flag bit within byte
# invert: True to invert the result
# returns: Tuple with boolean value of flag, offset of next flag, index of next flag
def get_param_enable_states(self, data, offset, flag, invert):
result = (data[offset] & (1 << flag)) == (1 << flag)
if invert:
result = not result
flag += 1
if flag > 6:
flag = 0
offset += 8
return (result, offset, flag)
# Set the enable state of a preset's parameters within raw sysex data
# data: Raw sysex data as list of integers
# offset: Offset of bitwise flag byte within sysex data
# flag: Index of flag bit within byte
# value: Boolean value to set flag
# returns: Tuple with offset of next flag, index of next flag
def set_param_enable_states(self, data, offset, flag, value):
data[offset] |= (value << flag)
flag += 1
if flag > 6:
flag = 0
offset += 8
return (offset, flag)
# Get preset parameter values
# data: Raw sysex data as list of integers
# offset: Offset of parameter within sysex data
# returns: Tuple with parameter value of flag, offset of next parameter
def get_params(self, data, offset):
result = data[offset]
offset += 1
if ((offset - 6) % 8 == 0):
offset += 1
return (result, offset)
# Set preset parameter values within raw sysex data
# data: Raw sysex data as list of integers
# offset: Offset of parameter within sysex data
# value: Value to set parameter
# returns: Offset of next parameter
def set_params(self, data, offset, value):
data[offset] = value
offset += 1
if ((offset - 6) % 8 == 0):
offset += 1
return offset
# Parse sysex data and populate data structures
# data: Raw sysex data as list of integers
# returns: True if valid FCB1010 sysex parsed
def parse_sysex(self, data):
size = len(data)
if size != 2352 or data[0] != 240 or data[size - 1] != 247 or data[1] != 0 or data[2] != 32 or data[3] != 50 or data[4] != 1 or data[5] != 12 or data[6] != 15:
return False
offset = 14
flag = 0
for preset in range(100):
self.preset[preset].pc1_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].pc2_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].pc3_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].pc4_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].pc5_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].cc1_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].switch1_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, False)
self.preset[preset].cc2_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
self.preset[preset].switch2_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, False)
self.preset[preset].expA_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
dummy, offset, flag = self.get_param_enable_states(data, offset, flag, False)
dummy, offset, flag = self.get_param_enable_states(data, offset, flag, False)
self.preset[preset].expB_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
dummy, offset, flag = self.get_param_enable_states(data, offset, flag, False)
dummy, offset, flag = self.get_param_enable_states(data, offset, flag, False)
self.preset[preset].note_enabled, offset, flag = self.get_param_enable_states(data, offset, flag, True)
offset = 7
for preset in range(100):
self.preset[preset].pc1_program, offset = self.get_params(data, offset)
self.preset[preset].pc2_program, offset = self.get_params(data, offset)
self.preset[preset].pc3_program, offset = self.get_params(data, offset)
self.preset[preset].pc4_program, offset = self.get_params(data, offset)
self.preset[preset].pc5_program, offset = self.get_params(data, offset)
self.preset[preset].cc1_controller, offset = self.get_params(data, offset)
self.preset[preset].cc1_value, offset = self.get_params(data, offset)
self.preset[preset].cc2_controller, offset = self.get_params(data, offset)
self.preset[preset].cc2_value, offset = self.get_params(data, offset)
self.preset[preset].expA_controller, offset = self.get_params(data, offset)
self.preset[preset].expA_min, offset = self.get_params(data, offset)
self.preset[preset].expA_max, offset = self.get_params(data, offset)
self.preset[preset].expB_controller, offset = self.get_params(data, offset)
self.preset[preset].expB_min, offset = self.get_params(data, offset)
self.preset[preset].expB_max, offset = self.get_params(data, offset)
self.preset[preset].note, offset = self.get_params(data, offset)
self.pc1_midi_channel = data[2311]
self.pc2_midi_channel = data[2312]
self.pc3_midi_channel = data[2313]
self.pc4_midi_channel = data[2314]
self.pc5_midi_channel = data[2315]
self.cc1_midi_channel = data[2316]
self.cc2_midi_channel = data[2317]
self.expA_midi_channel = data[2319]
self.expB_midi_channel = data[2320]
self.note_midi_channel = data[2321]
self.direct_select = (data[2330] & 2) == 2
self.running_status = (data[2330] & 4) == 4
self.merge = (data[2330] & 16) == 16
self.switch1 = (data[2334] & 4) == 4
self.switch2 = (data[2329] & 64) == 64
self.expA_calibration_min = data[2343]
self.expA_calibration_max = data[2344]
self.expB_calibration_min = data[2345]
self.expB_calibration_max = data[2346]
return True
# Get raw sysex from data structures
# returns: Raw sysex data as list of integers
def get_raw_sysex(self):
data = [0 for i in range(2352)]
data[0] = 240
data[1] = 0
data[2] = 32
data[3] = 50
data[4] = 1
data[5] = 12
data[6] = 15
preset = 0
offset = 14
flag = 0
for preset in range(100):
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].pc1_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].pc2_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].pc3_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].pc4_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].pc5_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].cc1_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, self.preset[preset].switch1_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].cc2_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, self.preset[preset].switch2_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].expA_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, False)
offset, flag = self.set_param_enable_states(data, offset, flag, False)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].expB_enabled)
offset, flag = self.set_param_enable_states(data, offset, flag, False)
offset, flag = self.set_param_enable_states(data, offset, flag, False)
offset, flag = self.set_param_enable_states(data, offset, flag, not self.preset[preset].note_enabled)
offset = 7
for preset in range(100):
offset = self.set_params(data, offset, self.preset[preset].pc1_program)
offset = self.set_params(data, offset, self.preset[preset].pc2_program)
offset = self.set_params(data, offset, self.preset[preset].pc3_program)
offset = self.set_params(data, offset, self.preset[preset].pc4_program)
offset = self.set_params(data, offset, self.preset[preset].pc5_program)
offset = self.set_params(data, offset, self.preset[preset].cc1_controller)
offset = self.set_params(data, offset, self.preset[preset].cc1_value)
offset = self.set_params(data, offset, self.preset[preset].cc2_controller)
offset = self.set_params(data, offset, self.preset[preset].cc2_value)
offset = self.set_params(data, offset, self.preset[preset].expA_controller)
offset = self.set_params(data, offset, self.preset[preset].expA_min)
offset = self.set_params(data, offset, self.preset[preset].expA_max)
offset = self.set_params(data, offset, self.preset[preset].expB_controller)
offset = self.set_params(data, offset, self.preset[preset].expB_min)
offset = self.set_params(data, offset, self.preset[preset].expB_max)
offset = self.set_params(data, offset, self.preset[preset].note_value)
data[2311] = self.pc1_midi_channel
data[2312] = self.pc2_midi_channel
data[2313] = self.pc3_midi_channel
data[2314] = self.pc4_midi_channel
data[2315] = self.pc5_midi_channel
data[2316] = self.cc1_midi_channel
data[2317] = self.cc2_midi_channel
data[2319] = self.expA_midi_channel
data[2320] = self.expB_midi_channel
data[2321] = self.note_midi_channel
data[2331] = self.pc1_midi_channel
data[2332] = self.pc2_midi_channel
data[2333] = self.pc3_midi_channel
data[2335] = self.pc4_midi_channel
data[2336] = self.pc5_midi_channel
data[2337] = self.cc1_midi_channel
data[2338] = self.cc2_midi_channel
data[2339] = self.expA_midi_channel
data[2340] = self.expB_midi_channel
data[2341] = self.note_midi_channel
data[2330] = 0
data[2329] = 0
data[2334] = 3
if self.direct_select: data[2330] |= 2
if self.running_status: data[2330] |= 4
if self.merge: data[2330] |= 16
if self.switch1: data[2334] |= 2
if self.switch2: data[2329] |= 64
data[2343] = self.expA_calibration_min
data[2344] = self.expA_calibration_max
data[2345] = self.expB_calibration_min
data[2346] = self.expB_calibration_max
for offset in range(1839, 2311):
data[offset] = 127
data[2351] = 247
return data
# Print current configuration in human readable form
def show_config(self):
for (index, preset) in enumerate(self.preset):
print("Preset", index)
print(" PC1: %s %d PC2: %s %d PC3: %s %d PC4: %s %d PC5: %s %d CC1: %s %d %d CC2: %s %d %d" % (
preset.pc1_enabled, preset.pc1_program, preset.pc2_enabled, preset.pc2_program, preset.pc3_enabled, preset.pc3_program, preset.pc4_enabled, preset.pc4_program, preset.pc5_enabled, preset.pc5_program, preset.cc1_enabled, preset.cc1_controller, preset.cc1_value, preset.cc2_enabled, preset.cc2_controller, preset.cc2_value))
print(" Switch 1: %s Switch 2: %s Expression A: %s %d %d %d Expression B: %s %d %d %d Note: %s %d" % (
preset.switch1_enabled, preset.switch2_enabled, preset.expA_enabled, preset.expA_controller, preset.expA_min, preset.expA_max, preset.expB_enabled, preset.expB_controller, preset.expB_min, preset.expB_max, preset.note_enabled, preset.note_value))
print()
print(" MIDI Channels")
print(" PC1: %d PC2: %d PC3: %d PC4: %d PC5: %d CC1: %d CC2: %d ExpA: %d ExpB: %d Note: %d" %
(self.pc1_midi_channel, self.pc2_midi_channel, self.pc3_midi_channel, self.pc4_midi_channel, self.pc5_midi_channel, self.cc1_midi_channel, self.cc2_midi_channel, self.expA_midi_channel, self.expB_midi_channel, self.note_midi_channel))
print(" Direct select: %s Running status: %s Merge: %s Switch 1: %s Switch 2: %s Exp A calibration %d %d Exp B calibration %d %d" % (
self.direct_select, self.running_status, self.merge, self.switch1, self.switch2, self.expA_calibration_min, self.expA_calibration_max, self.expB_calibration_min, self.expB_calibration_max))
# Read data from csv file
# filename: Absolute or relative path and filename [Default: ./FCB1010.csv]
# returns: True on success
def load(self, filename='FCB1010.csv'):
try:
with open(filename) as file:
csv = file.read().splitlines()
except:
print("Failed to read file", filename)
return False
if len(csv) < 3:
print("CSV has insufficient lines. Should be at least 3")
return False
if csv[0] != "Global,,Program Change 1,,Program Change 2,,Program Change 3,,Program Change 4,,Program Change 5,,Continuous Controller 1,,,Continuous Controller 2,,,Switch 1,Switch 2,Expression Pedal A,,,,Expression Pedal B,,,,Note,":
print("First line of CSV should contain headers:")
print("Global,,Program Change 1,,Program Change 2,,Program Change 3,,Program Change 4,,Program Change 5,,Continuous Controller 1,,,Continuous Controller 2,,,Switch 1,Switch 2,Expression Pedal A,,,,Expression Pedal B,,,,Note,")
return False
if csv[2] != "Bank,Preset,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Controller,Value,Enabled,Controller,Value,Enabled,Enabled,Enabled,Controller,Minimum,Maximum,Enabled,Controller,Minimum,Maximum,Enabled,Value":
print("Third line of CSV should contain headers:")
print("Bank,Preset,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Controller,Value,Enabled,Controller,Value,Enabled,Enabled,Enabled,Controller,Minimum,Maximum,Enabled,Controller,Minimum,Maximum,Enabled,Value")
return False
midi_channels = csv[1].split(',')
if len(midi_channels) != 30:
print("Insufficient MIDI Channel parameters.")
return False
self.pc1_midi_channel = int(midi_channels[2])
self.pc2_midi_channel = int(midi_channels[4])
self.pc3_midi_channel = int(midi_channels[6])
self.pc4_midi_channel = int(midi_channels[8])
self.pc5_midi_channel = int(midi_channels[10])
self.cc1_midi_channel = int(midi_channels[12])
self.cc2_midi_channel = int(midi_channels[15])
self.expA_midi_channel = int(midi_channels[20])
self.expB_midi_channel = int(midi_channels[24])
self.note_midi_channel = int(midi_channels[28])
for i in range(3, len(csv)):
data = csv[i].split(',')
if len(data) != 30:
continue
bank = int(data[0])
if bank < 1 or bank > 10:
continue
preset = int(data[1])
if preset < 1 or preset > 10:
continue
preset = (bank - 1) * 10 + preset - 1
self.preset[preset].pc1_enabled = int(data[2]) == 1
self.preset[preset].pc1_program = int(data[3])
self.preset[preset].pc2_enabled = int(data[4]) == 1
self.preset[preset].pc2_program = int(data[5])
self.preset[preset].pc3_enabled = int(data[6]) == 1
self.preset[preset].pc3_program = int(data[7])
self.preset[preset].pc4_enabled = int(data[8]) == 1
self.preset[preset].pc4_program = int(data[9])
self.preset[preset].pc5_enabled = int(data[10]) == 1
self.preset[preset].pc5_program = int(data[11])
self.preset[preset].cc1_enabled = int(data[12]) == 1
self.preset[preset].cc1_controller = int(data[13])
self.preset[preset].cc1_value = int(data[14])
self.preset[preset].cc1_enabled = int(data[15]) == 1
self.preset[preset].cc1_controller = int(data[16])
self.preset[preset].cc1_value = int(data[17])
self.preset[preset].switch1_enabled = int(data[18]) == 1
self.preset[preset].switch2_enabled = int(data[19]) == 1
self.preset[preset].expA_enabled = int(data[20]) == 1
self.preset[preset].expA_controller = int(data[21])
self.preset[preset].expA_min = int(data[22])
self.preset[preset].expA_max = int(data[23])
self.preset[preset].expB_enabled = int(data[24]) == 1
self.preset[preset].expB_controller = int(data[25])
self.preset[preset].expB_min = int(data[26])
self.preset[preset].expB_max = int(data[27])
self.preset[preset].note_enabled = int(data[28]) == 1
self.preset[preset].note_value = int(data[29])
return True
# Save data to csv file
# filename: Absolute or relative path and filename [Default: ./FCB1010.csv]
# returns: True on success
def save(self, filename='FCB1010.csv'):
try:
with open(filename, 'w') as file:
file.write('Global,,Program Change 1,,Program Change 2,,Program Change 3,,Program Change 4,,Program Change 5,,"Continuous\nController 1",,,"Continuous\nController 2",,,Switch 1,Switch 2,"Expression\nPedal A",,,,"Expression\nPedal B",,,,Note,\n')
file.write("MIDI Channel,,%d,,%d,,%d,,%d,,%d,,%d,,,%d,,,N/A,N/A,%d,,,,%d,,,,%d,\n" % (
self.pc1_midi_channel,
self.pc2_midi_channel,
self.pc3_midi_channel,
self.pc4_midi_channel,
self.pc5_midi_channel,
self.cc1_midi_channel,
self.cc2_midi_channel,
self.expA_midi_channel,
self.expB_midi_channel,
self.note_midi_channel))
file.write('Bank,Preset,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Program,Enabled,Controller,Value,Enabled,Controller,Value,Enabled,Enabled,Enabled,Controller,Minimum,Maximum,Enabled,Controller,Minimum,Maximum,Enabled,Value\n')
for bank in range(10):
for offset in range(10):
preset = (bank - 1) * 10 + offset - 1
file.write("%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n" % (
bank, offset,
self.preset[preset].pc1_enabled,
self.preset[preset].pc1_program,
self.preset[preset].pc2_enabled,
self.preset[preset].pc2_program,
self.preset[preset].pc3_enabled,
self.preset[preset].pc3_program,
self.preset[preset].pc4_enabled,
self.preset[preset].pc4_program,
self.preset[preset].pc5_enabled,
self.preset[preset].pc5_program,
self.preset[preset].cc1_enabled,
self.preset[preset].cc1_controller,
self.preset[preset].cc1_value,
self.preset[preset].cc1_enabled,
self.preset[preset].cc1_controller,
self.preset[preset].cc1_value,
self.preset[preset].switch1_enabled,
self.preset[preset].switch2_enabled,
self.preset[preset].expA_enabled,
self.preset[preset].expA_controller,
self.preset[preset].expA_min,
self.preset[preset].expA_max,
self.preset[preset].expB_enabled,
self.preset[preset].expB_controller,
self.preset[preset].expB_min,
self.preset[preset].expB_max,
self.preset[preset].note_enabled,
self.preset[preset].note_value))
except:
print("Failed to write file", filename)
return False
return True
"""
## Example usage ##
from fcb1010 import fcb1010
import rtmidi
from time import sleep
# Handle MIDI input (callback)
# event: Tuple with received MIDI data as list of integers, time since last message (float in seconds)
# data: fcb1010 object to populate when a valid fcb1010 sysex message received
def on_midi_in(event, data):
if data.parse_sysex(event[0]):
print("Parsed FCB1010 sysex")
else:
for byte in event[0]:
print(hex(byte), end=' ')
print()
# Send FCB1010 sysex
# fcb: fcb1010 object
def send_sysex(fcb):
global midiin
midiin.cancel_callback()
midiout.send_message(fcb.get_raw_sysex())
sleep(2)
midiin.set_callback(on_midi_in, fcb_rx)
# Create MIDI input and output ports
midiout = rtmidi.MidiOut(rtmidi.API_LINUX_ALSA, "riban")
midiin = rtmidi.MidiIn(rtmidi.API_LINUX_ALSA, "riban")
# For testing I connect to my second MIDI interface. For production should probably open virtual ports and manually connect
out_port = midiout.open_port(2)
in_port = midiin.open_port(2)
#out_port = midiout.open_virtual_port()
#in_port = midiin.open_virtual_port()
fcb_rx = fcb1010() # fcb1010 object used to receive sysex messages
midiin.ignore_types(sysex=False) # Enable reception of sysex
midiin.set_callback(on_midi_in, fcb_rx) # fcb_rx will be populated with any received sysex
# Beware that MIDI thru on FCB1010 will mean that sending sysex may result in fcb_rx being updated
"""
"""
# Create a default FCB1010 object and send to device
result = input("Do you want to send default configuration to device Y/n?")
if len(result) > 0 and result.lower[0] != 'n':
fcb_tx = fcb1010()
send_sysex(fcb_tx)
# Save fcb_rx to file
result = input("Do you want to save received sysex to file Y/n?")
if len(result) > 0 and result.lower[0] != 'n':
fcb_rx.save()
# Load fcb_tx from file then send to device
result = input("Do you want to load configuration from file then send to device Y/n?")
if len(result) > 0 and result.lower[0] != 'n':
fcb_tx = fcb1010()
fcb_tx.load()
send_sysex(fcb_tx)
"""