123 lines
3.8 KiB
Python
123 lines
3.8 KiB
Python
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# OpenRadio v1.1 Quisk Configuration File
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#
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# IMPORTANT: To be able to control the OpenRadio board from within Quisk,
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# you will need to compile and upload the 'openradio_quisk' firmware, which
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# is available from: https://github.com/darksidelemm/open_radio_miniconf_2015
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#
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# You will also need to install the pyserial package for python.
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#
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from __future__ import print_function
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from __future__ import absolute_import
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from __future__ import division
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# SOUND CARD SETTINGS
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#
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# Uncomment these if you wish to use PortAudio directly
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#name_of_sound_capt = "portaudio:(hw:2,0)"
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#name_of_sound_play = "portaudio:(hw:1,0)"
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# Uncomment these lines if you wish to use Pulseaudio
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name_of_sound_capt = "pulse"
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name_of_sound_play = "pulse"
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# SERIAL PORT SETTINGS
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# Set this as appropriate for your OS.
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openradio_serial_port = "/dev/ttyUSB0"
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openradio_serial_rate = 57600
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# OpenRadio Frequency limits.
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# These are just within the limits set in the openradio_quisk firmware.
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openradio_lower = 100001
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openradio_upper = 29999999
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# OpenRadio Hardware Control Class
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#
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import serial,time
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from quisk_hardware_model import Hardware as BaseHardware
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class Hardware(BaseHardware):
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def open(self):
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# Called once to open the Hardware
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# Open the serial port.
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self.or_serial = serial.Serial(openradio_serial_port,openradio_serial_rate,timeout=3)
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print("Opened Serial Port.")
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# Wait for the Arduino Nano to restart and boot.
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time.sleep(2)
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# Poll for version. Should probably confirm the response on this.
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version = str(self.get_parameter("VER"))
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print(version)
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# Return an informative message for the config screen
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t = version + ". Capture from sound card %s." % self.conf.name_of_sound_capt
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return t
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def close(self):
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# Called once to close the Hardware
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self.or_serial.close()
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def ChangeFrequency(self, tune, vfo, source='', band='', event=None):
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# Called whenever quisk requests a frequency change.
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# This sends the FREQ command to set the centre frequency of the OpenRadio,
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# and will also move the 'tune' frequency (the section within the RX passband
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# which is to be demodulated) if it falls outside the passband (+/- sample_rate/2).
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print("Setting VFO to %d." % vfo)
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if(vfo<openradio_lower):
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vfo = openradio_lower
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print("Outside range! Setting to %d" % openradio_lower)
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if(vfo>openradio_upper):
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vfo = openradio_upper
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print("Outside range! Setting to %d" % openradio_upper)
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success = self.set_parameter("FREQ",str(vfo))
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# If the tune frequency is outside the RX bandwidth, set it to somewhere within that bandwidth.
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if(tune>(vfo + sample_rate/2) or tune<(vfo - sample_rate/2)):
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tune = vfo + 10000
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print("Bringing tune frequency back into the RX bandwidth.")
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if success:
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print("Frequency change succeeded!")
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else:
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print("Frequency change failed.")
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return tune, vfo
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#
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# Serial comms functions, to communicate with the OpenRadio board
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#
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def get_parameter(self,string):
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self.or_serial.write(string+"\n")
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return self.get_argument()
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def set_parameter(self,string,arg):
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self.or_serial.write(string+","+arg+"\n")
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if self.get_argument() == arg:
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return True
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else:
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return False
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def get_argument(self):
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data1 = self.or_serial.readline()
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# Do a couple of quick checks to see if there is useful data here
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if len(data1) == 0:
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return -1
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# Maybe we didn't catch an OK line?
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if data1.startswith('OK'):
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data1 = self.or_serial.readline()
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# Check to see if we have a comma in the string. If not, there is no argument.
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if data1.find(',') == -1:
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return -1
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data1 = data1.split(',')[1].rstrip('\r\n')
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# Check for the OK string
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data2 = self.or_serial.readline()
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if data2.startswith('OK'):
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return data1
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