diff --git a/ci-scripts/conf_files/rcc.band7.tm1.if4p5.lo.25PRB.usrpb210.conf b/ci-scripts/conf_files/rcc.band7.tm1.if4p5.lo.25PRB.usrpb210.conf
new file mode 100644
index 0000000000000000000000000000000000000000..f62ab75b393557bcfd22ef1dadb69fdb621500be
--- /dev/null
+++ b/ci-scripts/conf_files/rcc.band7.tm1.if4p5.lo.25PRB.usrpb210.conf
@@ -0,0 +1,274 @@
+Active_eNBs = ( "eNB-Eurecom-LTEBox");
+# Asn1_verbosity, choice in: none, info, annoying
+Asn1_verbosity = "none";
+
+eNBs =
+(
+ {
+ # real_time choice in {hard, rt-preempt, no}
+ real_time = "no";
+
+ ////////// Identification parameters:
+ eNB_ID = 0xe00;
+
+ cell_type = "CELL_MACRO_ENB";
+
+ eNB_name = "eNB-Eurecom-LTEBox";
+
+ // Tracking area code, 0x0000 and 0xfffe are reserved values
+ tracking_area_code = "1";
+
+ mobile_country_code = "208";
+
+ mobile_network_code = "92";
+
+ tr_s_preference = "local_mac"
+
+ ////////// Physical parameters:
+
+ component_carriers = (
+ {
+ node_function = "NGFI_RCC_IF4p5";
+ node_timing = "synch_to_ext_device";
+ node_synch_ref = 0;
+ frame_type = "FDD";
+ tdd_config = 3;
+ tdd_config_s = 0;
+ prefix_type = "NORMAL";
+ eutra_band = 7;
+ downlink_frequency = 2680000000L;
+ uplink_frequency_offset = -120000000;
+ Nid_cell = 0;
+ N_RB_DL = 25;
+ Nid_cell_mbsfn = 0;
+ nb_antenna_ports = 1;
+ nb_antennas_tx = 1;
+ nb_antennas_rx = 1;
+ tx_gain = 90;
+ rx_gain = 125;
+ pbch_repetition = "FALSE";
+ prach_root = 0;
+ prach_config_index = 0;
+ prach_high_speed = "DISABLE";
+ prach_zero_correlation = 1;
+ prach_freq_offset = 2;
+ pucch_delta_shift = 1;
+ pucch_nRB_CQI = 0;
+ pucch_nCS_AN = 0;
+ pucch_n1_AN = 0;
+ pdsch_referenceSignalPower = -25;
+ pdsch_p_b = 0;
+ pusch_n_SB = 1;
+ pusch_enable64QAM = "DISABLE";
+ pusch_hoppingMode = "interSubFrame";
+ pusch_hoppingOffset = 0;
+ pusch_groupHoppingEnabled = "ENABLE";
+ pusch_groupAssignment = 0;
+ pusch_sequenceHoppingEnabled = "DISABLE";
+ pusch_nDMRS1 = 1;
+ phich_duration = "NORMAL";
+ phich_resource = "ONESIXTH";
+ srs_enable = "DISABLE";
+ /* srs_BandwidthConfig =;
+ srs_SubframeConfig =;
+ srs_ackNackST =;
+ srs_MaxUpPts =;*/
+
+ pusch_p0_Nominal = -96;
+ pusch_alpha = "AL1";
+ pucch_p0_Nominal = -104;
+ msg3_delta_Preamble = 6;
+ pucch_deltaF_Format1 = "deltaF2";
+ pucch_deltaF_Format1b = "deltaF3";
+ pucch_deltaF_Format2 = "deltaF0";
+ pucch_deltaF_Format2a = "deltaF0";
+ pucch_deltaF_Format2b = "deltaF0";
+
+ rach_numberOfRA_Preambles = 64;
+ rach_preamblesGroupAConfig = "DISABLE";
+ /*
+ rach_sizeOfRA_PreamblesGroupA = ;
+ rach_messageSizeGroupA = ;
+ rach_messagePowerOffsetGroupB = ;
+ */
+ rach_powerRampingStep = 4;
+ rach_preambleInitialReceivedTargetPower = -108;
+ rach_preambleTransMax = 10;
+ rach_raResponseWindowSize = 10;
+ rach_macContentionResolutionTimer = 48;
+ rach_maxHARQ_Msg3Tx = 4;
+
+ pcch_default_PagingCycle = 128;
+ pcch_nB = "oneT";
+ bcch_modificationPeriodCoeff = 2;
+ ue_TimersAndConstants_t300 = 1000;
+ ue_TimersAndConstants_t301 = 1000;
+ ue_TimersAndConstants_t310 = 1000;
+ ue_TimersAndConstants_t311 = 10000;
+ ue_TimersAndConstants_n310 = 20;
+ ue_TimersAndConstants_n311 = 1;
+ ue_TransmissionMode = 1;
+
+ //Parameters for SIB18
+ rxPool_sc_CP_Len = "normal";
+ rxPool_sc_Period = "sf40";
+ rxPool_data_CP_Len = "normal";
+ rxPool_ResourceConfig_prb_Num = 20;
+ rxPool_ResourceConfig_prb_Start = 5;
+ rxPool_ResourceConfig_prb_End = 44;
+ rxPool_ResourceConfig_offsetIndicator_present = "prSmall";
+ rxPool_ResourceConfig_offsetIndicator_choice = 0;
+ rxPool_ResourceConfig_subframeBitmap_present = "prBs40";
+ rxPool_ResourceConfig_subframeBitmap_choice_bs_buf = "00000000000000000000";
+ rxPool_ResourceConfig_subframeBitmap_choice_bs_size = 5;
+ rxPool_ResourceConfig_subframeBitmap_choice_bs_bits_unused = 0;
+/* rxPool_dataHoppingConfig_hoppingParameter = 0;
+ rxPool_dataHoppingConfig_numSubbands = "ns1";
+ rxPool_dataHoppingConfig_rbOffset = 0;
+ rxPool_commTxResourceUC-ReqAllowed = "TRUE";
+*/
+ // Parameters for SIB19
+ discRxPool_cp_Len = "normal"
+ discRxPool_discPeriod = "rf32"
+ discRxPool_numRetx = 1;
+ discRxPool_numRepetition = 2;
+ discRxPool_ResourceConfig_prb_Num = 5;
+ discRxPool_ResourceConfig_prb_Start = 3;
+ discRxPool_ResourceConfig_prb_End = 21;
+ discRxPool_ResourceConfig_offsetIndicator_present = "prSmall";
+ discRxPool_ResourceConfig_offsetIndicator_choice = 0;
+ discRxPool_ResourceConfig_subframeBitmap_present = "prBs40";
+ discRxPool_ResourceConfig_subframeBitmap_choice_bs_buf = "f0ffffffff";
+ discRxPool_ResourceConfig_subframeBitmap_choice_bs_size = 5;
+ discRxPool_ResourceConfig_subframeBitmap_choice_bs_bits_unused = 0;
+
+ }
+ );
+
+
+ srb1_parameters :
+ {
+ # timer_poll_retransmit = (ms) [5, 10, 15, 20,... 250, 300, 350, ... 500]
+ timer_poll_retransmit = 80;
+
+ # timer_reordering = (ms) [0,5, ... 100, 110, 120, ... ,200]
+ timer_reordering = 35;
+
+ # timer_reordering = (ms) [0,5, ... 250, 300, 350, ... ,500]
+ timer_status_prohibit = 0;
+
+ # poll_pdu = [4, 8, 16, 32 , 64, 128, 256, infinity(>10000)]
+ poll_pdu = 4;
+
+ # poll_byte = (kB) [25,50,75,100,125,250,375,500,750,1000,1250,1500,2000,3000,infinity(>10000)]
+ poll_byte = 99999;
+
+ # max_retx_threshold = [1, 2, 3, 4 , 6, 8, 16, 32]
+ max_retx_threshold = 4;
+ }
+
+ # ------- SCTP definitions
+ SCTP :
+ {
+ # Number of streams to use in input/output
+ SCTP_INSTREAMS = 2;
+ SCTP_OUTSTREAMS = 2;
+ };
+
+
+ ////////// MME parameters:
+ mme_ip_address = ( { ipv4 = "192.168.12.26";
+ ipv6 = "192:168:30::17";
+ active = "yes";
+ preference = "ipv4";
+ }
+ );
+
+ NETWORK_INTERFACES :
+ {
+ ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
+ ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.111/24";
+ ENB_INTERFACE_NAME_FOR_S1U = "eth0";
+ ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.111/24";
+ ENB_PORT_FOR_S1U = 2152; # Spec 2152
+
+ ENB_IPV4_ADDRESS_FOR_X2C = "192.168.12.111/24";
+ ENB_PORT_FOR_X2C = 36422; # Spec 36422
+ };
+ }
+);
+
+MACRLCs = (
+ {
+ num_cc = 1;
+ tr_s_preference = "local_L1";
+ tr_n_preference = "local_RRC";
+ phy_test_mode = 0;
+ puSch10xSnr = 200;
+ puCch10xSnr = 200;
+ }
+);
+
+L1s = (
+ {
+ num_cc = 1;
+ tr_n_preference = "local_mac";
+ }
+);
+
+RUs = (
+ {
+ local_if_name = "lo";
+ remote_address = "127.0.0.2";
+ local_address = "127.0.0.1";
+ local_portc = 50000;
+ remote_portc = 50000;
+ local_portd = 50001;
+ remote_portd = 50001;
+ local_rf = "no"
+ tr_preference = "udp_if4p5"
+ nb_tx = 1
+ nb_rx = 1
+ att_tx = 0
+ att_rx = 0;
+ eNB_instances = [0];
+ }
+);
+
+THREAD_STRUCT = (
+ {
+ #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
+ parallel_config = "PARALLEL_RU_L1_TRX_SPLIT";
+ #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
+ worker_config = "WORKER_ENABLE";
+ }
+);
+
+NETWORK_CONTROLLER :
+{
+ FLEXRAN_ENABLED = "no";
+ FLEXRAN_INTERFACE_NAME = "lo";
+ FLEXRAN_IPV4_ADDRESS = "127.0.0.1";
+ FLEXRAN_PORT = 2210;
+ FLEXRAN_CACHE = "/mnt/oai_agent_cache";
+ FLEXRAN_AWAIT_RECONF = "no";
+};
+
+ log_config :
+ {
+ global_log_level ="info";
+ global_log_verbosity ="medium";
+ hw_log_level ="info";
+ hw_log_verbosity ="medium";
+ phy_log_level ="info";
+ phy_log_verbosity ="medium";
+ mac_log_level ="info";
+ mac_log_verbosity ="high";
+ rlc_log_level ="info";
+ rlc_log_verbosity ="medium";
+ pdcp_log_level ="info";
+ pdcp_log_verbosity ="medium";
+ rrc_log_level ="info";
+ rrc_log_verbosity ="medium";
+ };
+
diff --git a/ci-scripts/conf_files/rru.fdd.band7.conf b/ci-scripts/conf_files/rru.fdd.band7.conf
new file mode 100644
index 0000000000000000000000000000000000000000..ff5e13908e182b9c983dbaca6c10291aa0cd8f84
--- /dev/null
+++ b/ci-scripts/conf_files/rru.fdd.band7.conf
@@ -0,0 +1,45 @@
+RUs = (
+ {
+ local_if_name = "lo";
+ remote_address = "127.0.0.1"
+ local_address = "127.0.0.2";
+ local_portc = 50000;
+ remote_portc = 50000;
+ local_portd = 50001;
+ remote_portd = 50001;
+ local_rf = "yes"
+ tr_preference = "udp_if4p5";
+ nb_tx = 1;
+ nb_rx = 1;
+ max_pdschReferenceSignalPower = -27;
+ max_rxgain = 115;
+ bands = [7];
+ }
+);
+
+THREAD_STRUCT = (
+ {
+ #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
+ parallel_config = "PARALLEL_RU_L1_TRX_SPLIT";
+ #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
+ worker_config = "WORKER_ENABLE";
+ }
+);
+
+log_config = {
+ global_log_level ="error";
+ global_log_verbosity ="medium";
+ hw_log_level ="error";
+ hw_log_verbosity ="medium";
+ phy_log_level ="error";
+ phy_log_verbosity ="medium";
+ mac_log_level ="error";
+ mac_log_verbosity ="high";
+ rlc_log_level ="error";
+ rlc_log_verbosity ="medium";
+ pdcp_log_level ="error";
+ pdcp_log_verbosity ="medium";
+ rrc_log_level ="error";
+ rrc_log_verbosity ="medium";
+};
+
diff --git a/ci-scripts/main.py b/ci-scripts/main.py
index 1c62bf32f3945017461650eb2a2967cfed07b29d..e845d0606d0971c67ac2d822a667bb4fd4aded52 100644
--- a/ci-scripts/main.py
+++ b/ci-scripts/main.py
@@ -95,6 +95,7 @@ class SSHConnection():
self.Build_eNB_args = ''
self.Initialize_eNB_args = ''
self.eNBLogFile = ''
+ self.eNB_instance = ''
self.ping_args = ''
self.ping_packetloss_threshold = ''
self.iperf_args = ''
@@ -357,6 +358,10 @@ class SSHConnection():
else:
sys.exit('Insufficient Parameter')
ci_full_config_file = config_path + '/ci-' + config_file
+ rruCheck = False
+ result = re.search('rru', str(config_file))
+ if result is not None:
+ rruCheck = True
# Make a copy and adapt to EPC / eNB IP addresses
self.command('cp ' + full_config_file + ' ' + ci_full_config_file, '\$', 5)
self.command('sed -i -e \'s/mme_ip_address.*$/mme_ip_address = ( { ipv4 = "' + self.EPCIPAddress + '";/\' ' + ci_full_config_file, '\$', 2);
@@ -366,11 +371,12 @@ class SSHConnection():
# Launch eNB with the modified config file
self.command('source oaienv', '\$', 5)
self.command('cd cmake_targets', '\$', 5)
- self.command('echo "ulimit -c unlimited && ./lte_build_oai/build/lte-softmodem -O ' + self.eNBSourceCodePath + '/' + ci_full_config_file + extra_options + '" > ./my-lte-softmodem-run.sh ', '\$', 5)
- self.command('chmod 775 ./my-lte-softmodem-run.sh ', '\$', 5)
+ self.command('echo "ulimit -c unlimited && ./lte_build_oai/build/lte-softmodem -O ' + self.eNBSourceCodePath + '/' + ci_full_config_file + extra_options + '" > ./my-lte-softmodem-run' + str(SSH.eNB_instance) + '.sh ', '\$', 5)
+ self.command('chmod 775 ./my-lte-softmodem-run' + str(SSH.eNB_instance) + '.sh ', '\$', 5)
self.command('echo ' + self.eNBPassword + ' | sudo -S rm -Rf enb_' + SSH.testCase_id + '.log', '\$', 5)
- self.command('echo ' + self.eNBPassword + ' | sudo -S -E daemon --inherit --unsafe --name=enb_daemon --chdir=' + self.eNBSourceCodePath + '/cmake_targets -o ' + self.eNBSourceCodePath + '/cmake_targets/enb_' + SSH.testCase_id + '.log ./my-lte-softmodem-run.sh', '\$', 5)
- self.eNBLogFile = 'enb_' + SSH.testCase_id + '.log'
+ self.command('echo ' + self.eNBPassword + ' | sudo -S -E daemon --inherit --unsafe --name=enb' + str(SSH.eNB_instance) + '_daemon --chdir=' + self.eNBSourceCodePath + '/cmake_targets -o ' + self.eNBSourceCodePath + '/cmake_targets/enb_' + SSH.testCase_id + '.log ./my-lte-softmodem-run' + str(SSH.eNB_instance) + '.sh', '\$', 5)
+ if not rruCheck:
+ self.eNBLogFile = 'enb_' + SSH.testCase_id + '.log'
time.sleep(6)
doLoop = True
loopCounter = 10
@@ -384,8 +390,11 @@ class SSHConnection():
self.close()
sys.exit(1)
else:
- self.command('stdbuf -o0 cat enb_' + SSH.testCase_id + '.log | grep --color=never -i sync', '\$', 4)
- result = re.search('got sync', str(self.ssh.before))
+ self.command('stdbuf -o0 cat enb_' + SSH.testCase_id + '.log | egrep --color=never -i "wait|sync"', '\$', 4)
+ if rruCheck:
+ result = re.search('wait RUs', str(self.ssh.before))
+ else:
+ result = re.search('got sync', str(self.ssh.before))
if result is None:
time.sleep(6)
else:
@@ -1474,8 +1483,8 @@ class SSHConnection():
def TerminateeNB(self):
self.open(self.eNBIPAddress, self.eNBUserName, self.eNBPassword)
self.command('cd ' + self.eNBSourceCodePath + '/cmake_targets', '\$', 5)
- self.command('echo ' + self.eNBPassword + ' | sudo -S daemon --name=enb_daemon --stop', '\$', 5)
- self.command('rm -f my-lte-softmodem-run.sh', '\$', 5)
+ self.command('echo ' + self.eNBPassword + ' | sudo -S daemon --name=enb' + str(SSH.eNB_instance) + '_daemon --stop', '\$', 5)
+ self.command('rm -f my-lte-softmodem-run' + str(SSH.eNB_instance) + '.sh', '\$', 5)
self.command('echo ' + self.eNBPassword + ' | sudo -S killall --signal SIGINT lte-softmodem || true', '\$', 5)
time.sleep(5)
self.command('stdbuf -o0 ps -aux | grep -v grep | grep lte-softmodem', '\$', 5)
@@ -1493,9 +1502,9 @@ class SSHConnection():
sys.exit(1)
else:
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
+ self.eNBLogFile = ''
else:
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
- self.eNBLogFile = ''
def TerminateHSS(self):
self.open(self.EPCIPAddress, self.EPCUserName, self.EPCPassword)
@@ -1865,6 +1874,14 @@ def GetParametersFromXML(action):
if action == 'Initialize_eNB':
SSH.Initialize_eNB_args = test.findtext('Initialize_eNB_args')
+ SSH.eNB_instance = test.findtext('eNB_instance')
+ if (SSH.eNB_instance is None):
+ SSH.eNB_instance = '0'
+
+ if action == 'Terminate_eNB':
+ SSH.eNB_instance = test.findtext('eNB_instance')
+ if (SSH.eNB_instance is None):
+ SSH.eNB_instance = '0'
if action == 'Ping':
SSH.ping_args = test.findtext('ping_args')
diff --git a/ci-scripts/xml_files/if4p5_usrp210_band7.xml b/ci-scripts/xml_files/if4p5_usrp210_band7.xml
new file mode 100644
index 0000000000000000000000000000000000000000..7c5338ddbbfab895e76e0d072e845a81ca357c29
--- /dev/null
+++ b/ci-scripts/xml_files/if4p5_usrp210_band7.xml
@@ -0,0 +1,132 @@
+<!--
+
+ Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The OpenAirInterface Software Alliance licenses this file to You under
+ the OAI Public License, Version 1.1 (the "License"); you may not use this file
+ except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.openairinterface.org/?page_id=698
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ For more information about the OpenAirInterface (OAI) Software Alliance:
+ contact@openairinterface.org
+
+-->
+<testCaseList>
+ <TestCaseRequestedList>010101 050101 060101 070101 040101 030101 030102 040301 040501 040604 040642 040401 040201 030201 030202 050201 060201 070201</TestCaseRequestedList>
+ <TestCaseExclusionList></TestCaseExclusionList>
+
+ <testCase id="010101">
+ <class>Build_eNB</class>
+ <desc>Build eNB (USRP)</desc>
+ <Build_eNB_args>-t ETHERNET -w USRP -c --eNB</Build_eNB_args>
+ </testCase>
+
+ <testCase id="030101">
+ <class>Initialize_eNB</class>
+ <desc>Initialize RRU (FDD/Band7)</desc>
+ <Initialize_eNB_args>-O ci-scripts/conf_files/rru.fdd.band7.conf --codingw --fepw</Initialize_eNB_args>
+ <eNB_instance>1</eNB_instance>
+ </testCase>
+
+ <testCase id="030102">
+ <class>Initialize_eNB</class>
+ <desc>Initialize RCC (FDD/Band7/5MHz)</desc>
+ <Initialize_eNB_args>-O ci-scripts/conf_files/rcc.band7.tm1.if4p5.lo.25PRB.usrpb210.conf --codingw --fepw</Initialize_eNB_args>
+ <eNB_instance>0</eNB_instance>
+ </testCase>
+
+ <testCase id="030201">
+ <class>Terminate_eNB</class>
+ <desc>Terminate eNB</desc>
+ <eNB_instance>0</eNB_instance>
+ </testCase>
+
+ <testCase id="030202">
+ <class>Terminate_eNB</class>
+ <desc>Terminate eNB</desc>
+ <eNB_instance>1</eNB_instance>
+ </testCase>
+
+ <testCase id="040101">
+ <class>Initialize_UE</class>
+ <desc>Initialize UE</desc>
+ </testCase>
+
+ <testCase id="040201">
+ <class>Terminate_UE</class>
+ <desc>Terminate UE</desc>
+ </testCase>
+
+ <testCase id="040301">
+ <class>Attach_UE</class>
+ <desc>Attach UE</desc>
+ </testCase>
+
+ <testCase id="040401">
+ <class>Detach_UE</class>
+ <desc>Detach UE</desc>
+ </testCase>
+
+ <testCase id="040501">
+ <class>Ping</class>
+ <desc>ping (5MHz - 20 sec)</desc>
+ <ping_args>-c 20</ping_args>
+ <ping_packetloss_threshold>5</ping_packetloss_threshold>
+ </testCase>
+
+ <testCase id="040604">
+ <class>Iperf</class>
+ <desc>iperf (5MHz - DL/15Mbps/UDP)(30 sec)(single-ue profile)</desc>
+ <iperf_args>-u -b 15M -t 30 -i 1</iperf_args>
+ <iperf_packetloss_threshold>50</iperf_packetloss_threshold>
+ <iperf_profile>single-ue</iperf_profile>
+ </testCase>
+
+ <testCase id="040642">
+ <class>Iperf</class>
+ <desc>iperf (5MHz - UL/9Mbps/UDP)(30 sec)(single-ue profile)</desc>
+ <iperf_args>-u -b 9M -t 30 -i 1 -R</iperf_args>
+ <iperf_packetloss_threshold>50</iperf_packetloss_threshold>
+ <iperf_profile>single-ue</iperf_profile>
+ </testCase>
+
+ <testCase id="050101">
+ <class>Initialize_HSS</class>
+ <desc>Initialize HSS</desc>
+ </testCase>
+
+ <testCase id="060101">
+ <class>Initialize_MME</class>
+ <desc>Initialize MME</desc>
+ </testCase>
+
+ <testCase id="070101">
+ <class>Initialize_SPGW</class>
+ <desc>Initialize SPGW</desc>
+ </testCase>
+
+ <testCase id="050201">
+ <class>Terminate_HSS</class>
+ <desc>Terminate HSS</desc>
+ </testCase>
+
+ <testCase id="060201">
+ <class>Terminate_MME</class>
+ <desc>Terminate MME</desc>
+ </testCase>
+
+ <testCase id="070201">
+ <class>Terminate_SPGW</class>
+ <desc>Terminate SPGW</desc>
+ </testCase>
+
+</testCaseList>
diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 006f3390d2c1754f5250d0e63051a6b41d0b7953..03a461454fc376e39ec4fa37ce03b141e406c8a1 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -1070,6 +1070,8 @@ int main( int argc, char **argv )
}
printf("wait RUs\n");
+ fflush(stdout);
+ fflush(stderr);
wait_RUs();
printf("ALL RUs READY!\n");
printf("RC.nb_RU:%d\n", RC.nb_RU);