commit b3d5c5743b650baacd447ae952611dac4463d680
author Piotr Krysik <ptrkrysik@gmail.com> Wed Sep 12 00:35:05 2018 +0700
committer Vadim Yanitskiy <axilirator@gmail.com> Wed Sep 12 00:37:29 2018 +0700
tree 40d27f89caa454c2d3e0b49315426d3f4f78f5d7
parent 38baac9678634fe48b3e0102e6af530679f5fe94

trx/radio_if.py: clarify magic numbers in sample rate calculation

Change-Id: I55f283113d0324a0236b7bbf13bce5718003b857

python/trx/radio_if.py

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 @@
 	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.