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adding serial option to the midi

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This commit is contained in:
langolierz
2018-10-04 14:32:34 +00:00
parent 44840c687a
commit c6a3c338a1
3 changed files with 44 additions and 15 deletions
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3
json_objects/settings_default.json
View File

@@ -95,7 +95,8 @@
"INPUT": {
"action": null,
"options": [
"enabled",
"usb",
"serial",
"disabled"
],
"value": "disabled"

13
user_input/analog_input.py
View File

@@ -19,9 +19,16 @@ class AnalogInput(object):
if self.data.settings['other']['ANALOG_INPUT']['value'] == 'enabled':
if not self.analog_input:
try:
SPI_PORT = 1
SPI_DEVICE = 2
self.analog_input = Adafruit_MCP3008.MCP3008(spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE))
## note - using software spi for now although on the same pins as the hardware spi described below because hardware spi wasnt working with lcd display
#SPI_PORT = 1
#SPI_DEVICE = 2
#self.analog_input = Adafruit_MCP3008.MCP3008(spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE))
CLK = 21
MISO = 19
MOSI = 20
CS = 16
self.analog_input = Adafruit_MCP3008.MCP3008(clk=CLK, cs=CS, miso=MISO, mosi=MOSI)
except:
self.message_handler('INFO', 'analog inputs not connected')
self.poll_analog_inputs()

43
user_input/midi_input.py
View File

@@ -1,6 +1,7 @@
import string
import datetime
import mido
import subprocess
class MidiInput(object):
def __init__(self, root, message_handler, display, actions, data):
@@ -12,24 +13,35 @@ class MidiInput(object):
self.midi_mappings = data.midi_mappings
self.midi_device = None
self.midi_delay = 1
self.serial_port_process = None
self.try_open_port()
def try_open_port(self):
midi_setting = self.data.settings['midi']['INPUT']['value']
#print('try open port : midi setting is {}'.format(midi_setting))
if midi_setting == 'enabled':
midi_ports = mido.get_input_names()
midi_device_on_port_20 = [s for s in midi_ports if '20:0' in s]
if midi_device_on_port_20:
if self.data.midi_status == 'disconnected':
self.midi_device = mido.open_input(midi_device_on_port_20[0])
self.data.midi_status = 'connected'
self.message_handler.set_message('INFO', 'connected to midi device {}'.format(self.midi_device.name))
self.poll_midi_input()
elif self.data.midi_status == 'connected':
self.data.midi_status = 'disconnected'
if midi_setting == 'usb':
self.stop_serial_port_process()
self.open_this_port_and_start_listening(20)
elif midi_setting == 'serial':
self.create_serial_port_process()
self.open_this_port_and_start_listening(128)
else:
self.stop_serial_port_process()
self.root.after(1000, self.try_open_port)
def open_this_port_and_start_listening(self, port_number):
midi_ports = mido.get_input_names()
print('midi ports are {}'.format(midi_ports))
midi_device_on_port = [s for s in midi_ports if '{}:0'.format(port_number) in s]
if midi_device_on_port:
if self.data.midi_status == 'disconnected':
self.midi_device = mido.open_input(midi_device_on_port[0])
self.data.midi_status = 'connected'
self.message_handler.set_message('INFO', 'connected to midi device {}'.format(self.midi_device.name))
self.poll_midi_input()
elif self.data.midi_status == 'connected':
self.data.midi_status = 'disconnected'
def poll_midi_input(self):
i = 0
cc_dict = dict()
@@ -106,6 +118,15 @@ class MidiInput(object):
else:
getattr(self.actions, method_name)()
def create_serial_port_process(self):
if self.serial_port_process == None:
self.serial_port_process = subprocess.Popen("exec " + "ttymidi -s /dev/serial0 -b 38400 -n serial", shell=True)
print('created the serial port process ? {}'.format(self.serial_port_process))
def stop_serial_port_process(self):
if self.serial_port_process is not None:
self.serial_port_process.kill()
self.serial_port_process = None