From 58659a4dee885141b442100f1b395fd0856ec275 Mon Sep 17 00:00:00 2001 From: Piotr Krysik Date: Wed, 12 Sep 2018 00:35:05 +0700 Subject: trx/radio_if.py: clarify magic numbers in sample rate calculation Change-Id: I55f283113d0324a0236b7bbf13bce5718003b857 --- python/trx/radio_if.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/python/trx/radio_if.py b/python/trx/radio_if.py index 2aeb49a..f7f124f 100644 --- a/python/trx/radio_if.py +++ b/python/trx/radio_if.py @@ -75,8 +75,8 @@ class radio_if(gr.top_block): GSM_TS_PERIOD_uS = GSM_SYM_PERIOD_uS * 156.25 GSM_UL_DL_SHIFT_uS = -(GSM_TS_PERIOD_uS * 3) - # TODO: explain where do these values come from? - SAMPLE_RATE = 4.0 * 1625000.0 / 6.0 + GSM_SYM_RATE = (1.0 / GSM_SYM_PERIOD_uS) * 1e6 + SAMPLE_RATE = GSM_SYM_RATE * osr # FIXME: shall be measured (automatically?) for # particular device and particular clock rate. -- cgit v1.2.3