Serial LTE Modem app in NCS main - glitch on TX before INDICATE

Hi, 

NCS main, nRF9160 DK

git log -n 1 --oneline
4f916da03 (HEAD -> main, origin/main, origin/HEAD) west.yml: rebase OSS trees

SLM prj.conf changes:
CONFIG_SLM_START_SLEEP=y
CONFIG_SLM_WAKEUP_PIN=6
CONFIG_SLM_INDICATE_PIN=2
CONFIG_NRF_MODEM_LIB_TRACE_ENABLED=y
There is unexpected glitch on TX just beforfe INDICATE is active:
Regards,
Michal
Parents Reply Children
  • Hello again Markus,

    INDICATE was triggerd by this test scenario:

    .\nrf9160_tests.py test_attach
    [PPK2] Found PPK2 at COM9
    [PPK2] DUT Powered, Measurement started
    0.15 <RESET> Tue May 24 12:59:57 2022
    1.04 [PPK2] 100k/s AVG 4.12 mA Max 29.7 mA
    2.06 [PPK2] 100k/s AVG 1.56 mA Max 24.7 mA
    3.02 [PPK2] 100k/s AVG 0.012mA Max 0.711mA
    4.03 [PPK2] 100k/s AVG 0.011mA Max 0.711mA
    5.02 [PPK2] 100k/s AVG 0.010mA Max 0.711mA
    6.06 [PPK2] 100k/s AVG 0.006mA Max 0.711mA
    7.01 [PPK2] 100k/s AVG 0.009mA Max 0.711mA
    7.08 <WAKEUP>
    8.02 [PPK2] 100k/s AVG 0.930mA Max 18.9 mA
    8.41 [RX] Ready
    8.41 [TX] AT
    8.42 [RX] OK
    8.42 [TX] AT%XMODEMTRACE=1,2
    8.42 [RX] OK
    8.42 [TX] AT%MDMEV=1
    8.43 [RX] OK
    8.43 [TX] AT%HWVERSION
    8.45 [RX] %HWVERSION: nRF9160 SICA BQA
    8.45 [RX] OK
    8.45 [TX] AT%SHORTSWVER
    8.46 [RX] %SHORTSWVER: nrf9160_1.3.1
    8.46 [RX] OK
    8.46 [TX] AT#XSLMVER
    8.46 [RX] #XSLMVER: "1.9.99"
    8.48 [RX] OK
    8.48 [TX] AT%XPOFWARN=1,30
    8.49 [RX] OK
    8.49 [TX] AT%XSYSTEMMODE=0,1,0,0
    8.49 [RX] OK
    8.49 [TX] AT%REL14FEAT=1,1,1,1,0
    8.51 [RX] OK
    8.51 [TX] AT+CNEC=24
    8.52 [RX] OK
    8.52 [TX] AT+CMEE=1
    8.53 [RX] OK
    8.53 [TX] AT+CEPPI=1
    8.55 [RX] OK
    8.55 [TX] AT%RAI=1
    8.56 [RX] OK
    8.56 [TX] AT%XDATAPRFL=0
    8.56 [RX] OK
    8.56 [TX] AT%XNETTIME=1
    8.58 [RX] OK
    8.58 [TX] AT%XSIM=1
    8.59 [RX] OK
    8.59 [TX] AT+CEREG=5
    8.60 [RX] OK
    8.60 [TX] AT+CGEREP=1
    8.60 [RX] OK
    8.60 [TX] AT+CSCON=1
    8.61 [RX] OK
    8.61 [TX] AT%XTIME=1
    8.62 [RX] OK
    8.62 [TX] AT+CPSMS=1,,,"00111000","00000000"
    8.63 [RX] OK
    8.63 [TX] AT%XMODEMSLEEP=1,0,10240
    8.64 [RX] OK
    8.64 [TX] AT#XSLEEP=2
    8.65 [RX] %XMODEMSLEEP: 4
    8.66 [RX] OK
    9.02 [PPK2] 100k/s AVG 2.44 mA Max 20.7 mA
    10.03 [PPK2] 100k/s AVG 0.013mA Max 4.32 mA
    11.03 [PPK2] 100k/s AVG 0.007mA Max 0.711mA
    12.04 [PPK2] 100k/s AVG 0.007mA Max 0.711mA
    12.82 [PPK2] ====== SUM: INIT 0.003uA/h ======
    13.60 <WAKEUP>
    13.60 [RX] Ready
    13.71 [TX] AT%XMODEMTRACE=1,2
    13.72 [RX] OK
    13.72 [TX] AT%XBANDLOCK=1,"0000000000000000000000000000000000000000000000000000000000001000000010000000100010011010"
    13.75 [RX] OK
    13.75 [TX] AT+COPS=1,2,"23003"
    13.76 [RX] OK
    13.76 [TX] AT+CGDCONT=1,"IP","hardwario.com"
    13.77 [RX] OK
    13.77 [TX] AT+CFUN=1
    13.82 [RX] OK
    13.83 [RX] %XMODEMSLEEP: 4,0
    14.02 [PPK2] 100k/s AVG 3.79 mA Max 35.8 mA
    14.73 [RX] %XSIM: 1
    14.73 [TX] AT+CGSN
    14.74 [RX] 352656106109476
    14.74 [RX] OK
    14.74 [TX] AT+CIMI
    14.74 [RX] 901288000012723
    14.74 [RX] OK
    15.03 [PPK2] 100k/s AVG 27.5 mA Max 34.0 mA
    16.02 [PPK2] 100k/s AVG 28.0 mA Max 55.0 mA
    17.03 [PPK2] 100k/s AVG 32.8 mA Max 53.5 mA
    18.01 [PPK2] 100k/s AVG 5.12 mA Max 40.9 mA
    19.03 [PPK2] 100k/s AVG 0.722mA Max 15.9 mA
    20.02 [PPK2] 100k/s AVG 0.722mA Max 16.2 mA
    20.88 [RX] +CEREG: 2,"AE38","000AC51F",9
    21.03 [PPK2] 100k/s AVG 4.16 mA Max 42.0 mA
    21.58 [RX] +CSCON: 1
    22.01 [PPK2] 100k/s AVG 16.2 mA Max 188mA
    23.01 [PPK2] 100k/s AVG 29.5 mA Max 98.6 mA
    24.01 [PPK2] 100k/s AVG 29.8 mA Max 40.6 mA
    25.03 [PPK2] 100k/s AVG 29.8 mA Max 40.9 mA
    26.01 [PPK2] 100k/s AVG 29.7 mA Max 41.5 mA
    27.03 [PPK2] 100k/s AVG 29.1 mA Max 42.3 mA
    28.02 [PPK2] 100k/s AVG 29.8 mA Max 41.2 mA
    29.01 [PPK2] 100k/s AVG 29.8 mA Max 41.2 mA
    30.03 [PPK2] 100k/s AVG 29.8 mA Max 41.0 mA
    31.02 [PPK2] 100k/s AVG 29.8 mA Max 42.1 mA
    31.82 [RX] +CGEV: ME PDN ACT 0,0
    31.82 [RX] +CNEC_ESM: 50,0
    31.82 [RX] %MDMEV: SEARCH STATUS 2
    31.83 [RX] +CEREG: 5,"AE38","000AC51F",9,,,"00000000","00111000"
    31.83 [TX] AT+COPS?
    31.84 [RX] +COPS: 1,2,"23003",9
    31.84 [RX] OK
    31.84 [TX] AT%XCBAND
    31.84 [RX] %XCBAND: 20
    31.84 [RX] OK
    31.84 [TX] AT+CEINFO?
    31.86 [RX] +CEINFO: 0,1,C,8,1,-86,18
    31.86 [RX] OK
    31.86 [TX] AT+CGDCONT?
    31.87 [RX] +CGDCONT: 0,"IP","hardwario.com","10.0.0.157",0,0
    31.87 [RX] +CGDCONT: 1,"IP","hardwario.com","",0,0
    31.87 [RX] OK
    32.01 [PPK2] 100k/s AVG 28.7 mA Max 115mA
    32.02 [RX] %XTIME: ,"22504211009280","01"
    33.03 [PPK2] 100k/s AVG 29.8 mA Max 117mA
    33.13 [TX] AT#XSLEEP=2
    33.14 [RX] OK
    34.01 [PPK2] 100k/s AVG 29.5 mA Max 40.5 mA
    35.04 [PPK2] 100k/s AVG 29.4 mA Max 40.7 mA
    36.04 [PPK2] 100k/s AVG 29.4 mA Max 41.0 mA
    37.03 [PPK2] 100k/s AVG 28.7 mA Max 40.1 mA
    38.05 [PPK2] 100k/s AVG 29.3 mA Max 40.4 mA
    39.02 [PPK2] 100k/s AVG 29.4 mA Max 40.7 mA
    40.05 [PPK2] 100k/s AVG 29.4 mA Max 39.9 mA
    41.05 [PPK2] 100k/s AVG 29.3 mA Max 40.2 mA
    42.02 [PPK2] 100k/s AVG 28.8 mA Max 39.7 mA
    43.02 [PPK2] 100k/s AVG 29.2 mA Max 39.9 mA
    44.05 [PPK2] 100k/s AVG 29.4 mA Max 40.0 mA
    45.01 [PPK2] 100k/s AVG 29.4 mA Max 40.9 mA
    46.02 [PPK2] 100k/s AVG 29.3 mA Max 39.5 mA
    47.04 [PPK2] 100k/s AVG 28.9 mA Max 56.1 mA
    48.03 [PPK2] 100k/s AVG 29.1 mA Max 39.9 mA
    49.04 [PPK2] 100k/s AVG 29.5 mA Max 39.7 mA
    50.03 [PPK2] 100k/s AVG 29.5 mA Max 40.0 mA
    51.03 [PPK2] 100k/s AVG 29.5 mA Max 40.0 mA
    52.02 [PPK2] 100k/s AVG 28.9 mA Max 39.6 mA
    52.70 <INDICATE transition> -> High
    52.78 <INDICATE transition> -> Low
    53.02 [PPK2] 100k/s AVG 19.1 mA Max 113mA
    54.02 [PPK2] 100k/s AVG 0.007mA Max 0.711mA
    55.02 [PPK2] 100k/s AVG 0.007mA Max 0.711mA
    56.03 [PPK2] 100k/s AVG 0.006mA Max 0.711mA
    57.07 [PPK2] 100k/s AVG 0.009mA Max 0.711mA
    58.02 [PPK2] 100k/s AVG 0.005mA Max 0.711mA
    59.01 [PPK2] 100k/s AVG 0.008mA Max 0.711mA
    59.05 <WAKEUP>
    59.05 [RX] Ready
    59.05 [RX] +CSCON: 0
    59.05 [RX] %XMODEMSLEEP: 1,86399999
    60.01 [PPK2] 100k/s AVG 0.633mA Max 17.7 mA
    61.06 [PPK2] 100k/s AVG 0.671mA Max 16.7 mA
    62.04 [PPK2] 100k/s AVG 0.672mA Max 17.1 mA
    63.02 [PPK2] 100k/s AVG 0.672mA Max 16.3 mA
    64.01 [PPK2] 100k/s AVG 0.671mA Max 17.1 mA
    64.30 [TX] AT#XSLEEP=2
    64.30 [RX] OK
    65.04 [PPK2] 100k/s AVG 0.258mA Max 15.6 mA
    66.02 [PPK2] 100k/s AVG 0.006mA Max 0.711mA
    67.05 [PPK2] 100k/s AVG 0.006mA Max 0.711mA
    68.02 [PPK2] 100k/s AVG 0.007mA Max 0.711mA
    69.06 [PPK2] 100k/s AVG 0.006mA Max 0.711mA

    Regards,
    Michal

Related