gr-lora/apps/lora_receive_file.py

141 wiersze
4.4 KiB
Python
Executable File

#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Lora Receive File
# Generated: Wed Jun 22 19:59:10 2016
##################################################
if __name__ == '__main__':
import ctypes
import sys
if sys.platform.startswith('linux'):
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import lora
import wx
class lora_receive_file(grc_wxgui.top_block_gui):
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Lora Receive File")
##################################################
# Variables
##################################################
self.target_freq = target_freq = 868.1e6
self.sf = sf = 12
self.samp_rate = samp_rate = 10e6
self.capture_freq = capture_freq = 866.0e6
self.bw = bw = 125e3
self.symbols_per_sec = symbols_per_sec = bw / (2**sf)
self.offset = offset = -(capture_freq - target_freq)
self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, bw, 10000, firdes.WIN_HAMMING, 6.67)
self.decimation = decimation = 10
self.bitrate = bitrate = sf * (1 / (2**sf / bw))
##################################################
# Blocks
##################################################
self.lora_lora_receiver_0 = lora.lora_receiver(samp_rate, capture_freq, offset)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "counting_cr4_sf7.cfile", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.lora_lora_receiver_0, 0))
def get_target_freq(self):
return self.target_freq
def set_target_freq(self, target_freq):
self.target_freq = target_freq
self.set_offset(-(self.capture_freq - self.target_freq))
def get_sf(self):
return self.sf
def set_sf(self, sf):
self.sf = sf
self.set_bitrate(self.sf * (1 / (2**self.sf / self.bw)))
self.set_symbols_per_sec(self.bw / (2**self.sf))
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.set_firdes_tap(firdes.low_pass(1, self.samp_rate, self.bw, 10000, firdes.WIN_HAMMING, 6.67))
self.blocks_throttle_0.set_sample_rate(self.samp_rate)
def get_capture_freq(self):
return self.capture_freq
def set_capture_freq(self, capture_freq):
self.capture_freq = capture_freq
self.set_offset(-(self.capture_freq - self.target_freq))
def get_bw(self):
return self.bw
def set_bw(self, bw):
self.bw = bw
self.set_bitrate(self.sf * (1 / (2**self.sf / self.bw)))
self.set_firdes_tap(firdes.low_pass(1, self.samp_rate, self.bw, 10000, firdes.WIN_HAMMING, 6.67))
self.set_symbols_per_sec(self.bw / (2**self.sf))
def get_symbols_per_sec(self):
return self.symbols_per_sec
def set_symbols_per_sec(self, symbols_per_sec):
self.symbols_per_sec = symbols_per_sec
def get_offset(self):
return self.offset
def set_offset(self, offset):
self.offset = offset
def get_firdes_tap(self):
return self.firdes_tap
def set_firdes_tap(self, firdes_tap):
self.firdes_tap = firdes_tap
def get_decimation(self):
return self.decimation
def set_decimation(self, decimation):
self.decimation = decimation
def get_bitrate(self):
return self.bitrate
def set_bitrate(self, bitrate):
self.bitrate = bitrate
def main(top_block_cls=lora_receive_file, options=None):
tb = top_block_cls()
tb.Start(True)
tb.Wait()
if __name__ == '__main__':
main()