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https://github.com/saymrwulf/uhd.git
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70 lines
1.9 KiB
Python
Executable file
70 lines
1.9 KiB
Python
Executable file
#!/usr/bin/python
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import serial
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from optparse import OptionParser
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import os, sys
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def main():
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usage="%prog: [options] filename"
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parser = OptionParser(usage=usage)
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parser.add_option("-t", "--tty", type="string", default="/dev/ttyUSB0",
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help="select serial port [default=%default]")
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parser.add_option("-b", "--baudrate", type=int, default=115200,
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help="set baudrate [default=%default]")
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(options, args) = parser.parse_args()
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if len(args) != 1:
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parser.print_help()
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raise SystemExit(1)
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filename = args[0]
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f = open(filename, "r")
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#all we have to do is load the IHX file and attempt to spit it out to the serial port.
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if(os.path.exists(options.tty) is False):
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sys.stderr.write("No serial port found at %s\n" % options.tty)
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raise SystemExit(1)
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try:
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ser = serial.Serial(port=options.tty, timeout=1, baudrate=options.baudrate, bytesize=8, parity=serial.PARITY_NONE, stopbits=1, rtscts=0, xonxoff=0)
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except serial.SerialException:
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sys.stderr.write("Unable to open serial port\n")
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raise SystemExit(1)
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ser.open()
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#test to see if a valid USRP2+ in RAM load mode is connected
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ser.write("WOOOOO\n");
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reply = ser.readline()
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if("NOK" not in reply):
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sys.stderr.write("Valid USRP2+ not connected or no response received\n")
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raise SystemExit(1)
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else:
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print("USRP2+ found.")
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for line in f:
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ser.write(line.rstrip() + '\n')
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reply = ser.readline()
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if("NOK" in reply): #blocks to wait for response
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print("Received NOK reply from USRP2+")
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raise SystemExit(1)
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elif("OK" not in reply):
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print("Received invalid reply!")
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raise SystemExit(1)
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# else:
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# print("OK received")
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print "USRP2+ RAM programmed.\nLoading program."
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#at this point it should have sent the end line of the file, which starts the program!
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#we'll just act like a dumb terminal now
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# ser.timeout = 0
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# try:
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# while 1:
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# print ser.readline()
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# except KeyboardInterrupt:
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# raise SystemExit(0)
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if __name__ == '__main__':
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main()
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