Review at https://gerrit.osmocom.org/6846
Add FAKE_RSSI and FAKE_TIMING commands on BB side This is useful for testing the measurement processing code in OsmoBTS Change-Id: Ia23becec4104d47e7b22350db67b8834d6f1ad1b --- M src/target/fake_trx/burst_fwd.py M src/target/fake_trx/ctrl_if_bb.py 2 files changed, 21 insertions(+), 4 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/46/6846/1 diff --git a/src/target/fake_trx/burst_fwd.py b/src/target/fake_trx/burst_fwd.py index 5989ce9..8b04be1 100644 --- a/src/target/fake_trx/burst_fwd.py +++ b/src/target/fake_trx/burst_fwd.py @@ -25,6 +25,8 @@ class BurstForwarder: # Timeslot filter (drop everything by default) ts_pass = None + rssi = 0x35 + timing = 0 # Freq. filter bts_freq = None @@ -44,11 +46,11 @@ payload = bytearray(data) length = len(payload) - # HACK: set fake RSSI value (-53) - payload[5] = 0x35 + # set fake RSSI value (-53) + payload[5] = self.rssi - # HACK: add fake TOA value (6th and 7th bytes) - payload[6:2] = [0x00, 0x00] + # add fake TOA value (6th and 7th bytes) + payload[6:2] = [self.timing >> 8, self.timing & 0xff] # Convert ubits to {255..0} for i in range(8, length): diff --git a/src/target/fake_trx/ctrl_if_bb.py b/src/target/fake_trx/ctrl_if_bb.py index 440094a..f8ad5b4 100644 --- a/src/target/fake_trx/ctrl_if_bb.py +++ b/src/target/fake_trx/ctrl_if_bb.py @@ -118,6 +118,21 @@ self.burst_fwd.ts_pass = ts return 0 + elif self.verify_cmd(request, "FAKE_RSSI", 1): + print("[i] Recv FAKE_RSSI cmd") + self.burst_fwd.rssi = int(request[1]) + # HACK: We don't return a response, as the command is typicaly sent + # by another program (test controller) and we don't want to confuse + # trxcon with bogus responses + return -1 + + elif self.verify_cmd(request, "FAKE_TIMING", 1): + print("[i] Recv FAKE_TIMING cmd") + self.burst_fwd.timing = int(request[1]) + # HACK: We don't return a response, as the command is typicaly sent + # by another program (test controller) and we don't want to confuse + # trxcon with bogus responses + return -1 # Wrong / unknown command else: -- To view, visit https://gerrit.osmocom.org/6846 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: Ia23becec4104d47e7b22350db67b8834d6f1ad1b Gerrit-PatchSet: 1 Gerrit-Project: osmocom-bb Gerrit-Branch: fixeria/trx Gerrit-Owner: Harald Welte <lafo...@gnumonks.org>