diff options
Diffstat (limited to 'python/trx/radio_if.py')
| -rw-r--r-- | python/trx/radio_if.py | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/python/trx/radio_if.py b/python/trx/radio_if.py index 97a2160..559c309 100644 --- a/python/trx/radio_if.py +++ b/python/trx/radio_if.py @@ -34,12 +34,8 @@ from gnuradio import gr class radio_if(gr.top_block): # PHY specific variables - samp_rate = 2000000 shiftoff = 400e3 - device_args = "" fc = 941.6e6 # TODO: set ARFCN to 0? - gain = 30 - ppm = 0 # Application state flags trx_started = False @@ -53,10 +49,8 @@ class radio_if(gr.top_block): print("[i] Init Radio interface") # PHY specific variables - self.samp_rate = phy_sample_rate self.rx_gain = phy_rx_gain self.tx_gain = phy_tx_gain - self.ppm = phy_ppm gr.top_block.__init__(self, "GR-GSM TRX") shift_fc = self.fc - self.shiftoff @@ -68,8 +62,8 @@ class radio_if(gr.top_block): self.phy.set_bandwidth(250e3 + abs(self.shiftoff), 0) self.phy.set_center_freq(shift_fc, 0) - self.phy.set_sample_rate(self.samp_rate) - self.phy.set_freq_corr(self.ppm, 0) + self.phy.set_sample_rate(phy_sample_rate) + self.phy.set_freq_corr(phy_ppm, 0) self.phy.set_iq_balance_mode(2, 0) self.phy.set_dc_offset_mode(2, 0) self.phy.set_gain_mode(False, 0) @@ -82,16 +76,16 @@ class radio_if(gr.top_block): # GR-GSM Magic ################################################## self.blocks_rotator = blocks.rotator_cc( - -2 * pi * self.shiftoff / self.samp_rate) + -2 * pi * self.shiftoff / phy_sample_rate) self.gsm_input = grgsm.gsm_input( - ppm = self.ppm, osr = 4, fc = self.fc, - samp_rate_in = self.samp_rate) + ppm = phy_ppm, osr = 4, fc = self.fc, + samp_rate_in = phy_sample_rate) self.gsm_receiver = grgsm.receiver(4, ([0]), ([])) self.gsm_clck_ctrl = grgsm.clock_offset_control( - shift_fc, self.samp_rate, osr = 4) + shift_fc, phy_sample_rate, osr = 4) self.gsm_ts_filter = grgsm.burst_timeslot_filter(0) self.gsm_ts_filter.set_policy(grgsm.FILTER_POLICY_DROP_ALL) |