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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: ZMQ test
# Author: Naoki Pross
# GNU Radio version: 3.8.2.0
from gnuradio import blocks
from gnuradio import gr
from gnuradio.filter import firdes
import sys
import signal
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
from gnuradio import eng_notation
from gnuradio import zeromq
class zmqtest(gr.top_block):
def __init__(self):
gr.top_block.__init__(self, "ZMQ test")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.zeromq_req_source_0 = zeromq.req_source(gr.sizeof_gr_complex, 1, '', 100, False, -1)
self.zeromq_rep_sink_0 = zeromq.rep_sink(gr.sizeof_gr_complex, 1, '', 100, False, -1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
##################################################
# Connections
##################################################
self.connect((self.blocks_throttle_0, 0), (self.zeromq_rep_sink_0, 0))
self.connect((self.zeromq_req_source_0, 0), (self.blocks_throttle_0, 0))
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.blocks_throttle_0.set_sample_rate(self.samp_rate)
def main(top_block_cls=zmqtest, options=None):
if gr.enable_realtime_scheduling() != gr.RT_OK:
print("Error: failed to enable real-time scheduling.")
tb = top_block_cls()
def sig_handler(sig=None, frame=None):
tb.stop()
tb.wait()
sys.exit(0)
signal.signal(signal.SIGINT, sig_handler)
signal.signal(signal.SIGTERM, sig_handler)
tb.start()
try:
input('Press Enter to quit: ')
except EOFError:
pass
tb.stop()
tb.wait()
if __name__ == '__main__':
main()
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