l1test.bin
$ ../osmocom-bb/src/host/osmocon/osmocon -m c123 -p /dev/ttyUSB0 ../osmocom-bb/src/target/firmware/l1test.bin 
got 1 bytes from modem, data looks like: 04 
got 1 bytes from modem, data looks like: 81 
got 5 bytes from modem, data looks like: 1b f6 02 00 41 
got 1 bytes from modem, data looks like: 01 
got 1 bytes from modem, data looks like: 40 
Received PROMPT1 from phone, responding with CMD
read_file(../osmocom-bb/src/target/firmware/l1test.bin): file_size=31836, hdr_len=4, dnload_len=31843
got 1 bytes from modem, data looks like: 1b 
got 1 bytes from modem, data looks like: f6 
got 1 bytes from modem, data looks like: 02 
got 1 bytes from modem, data looks like: 00 
got 1 bytes from modem, data looks like: 41 
got 1 bytes from modem, data looks like: 02 
got 1 bytes from modem, data looks like: 43 
Received PROMPT2 from phone, starting download
handle_write(): 4096 bytes (4096/31843)
handle_write(): 4096 bytes (8192/31843)
handle_write(): 4096 bytes (12288/31843)
handle_write(): 4096 bytes (16384/31843)
handle_write(): 4096 bytes (20480/31843)
handle_write(): 4096 bytes (24576/31843)
handle_write(): 4096 bytes (28672/31843)
handle_write(): 3171 bytes (31843/31843)
handle_write(): finished
got 1 bytes from modem, data looks like: 1b 
got 1 bytes from modem, data looks like: f6 
got 1 bytes from modem, data looks like: 02 
got 1 bytes from modem, data looks like: 00 
got 1 bytes from modem, data looks like: 41 
got 1 bytes from modem, data looks like: 03 
got 1 bytes from modem, data looks like: 42 
Received DOWNLOAD ACK from phone, your code is running now!


Hello World from apps/l1test/main.c program code
======================================================================
Device ID code: 0xb4fb
Device Version code: 0x0000
ARM ID code: 0xfff3
cDSP ID code: 0x0128
Die ID code: <snip>
======================================================================
REG_DPLL=0x2413
CNTL_ARM_CLK=0xf0a1
CNTL_CLK=0xff91
CNTL_RST=0xfff3
CNTL_ARM_DIV=0xfff9
======================================================================
Assert DSP into Reset
Releasing DSP from Reset
Setting some dsp_api.ndb values
Setting API NDB parameters
DSP Download Status: 0x0001
DSP API Version: 0x822e 0x08bf
Finishing download phase
DSP Download Status: 0x0002
DSP API Version: 0x3606 0x0000
Performing power measurement over GSM900
LOST!ARFCN Top 10 Rx Level
ARFCN  26: -57 dBm
ARFCN  64: -58 dBm
ARFCN 104: -59 dBm
ARFCN  80: -64 dBm
ARFCN  71: -75 dBm
ARFCN  77: -76 dBm
ARFCN 123: -77 dBm
ARFCN 111: -78 dBm
ARFCN 121: -78 dBm
ARFCN 114: -88 dBm
Starting FCCH Recognition
FB0 (379:5): TOA= 5040, Power= -59dBm, Angle= 1044Hz =>FB @ FNR 378 fn_offset=378 qbits=68
FB1 (390:2): TOA= 1251, Power= -60dBm, Angle=  259Hz =>FB @ FNR 388 fn_offset=388 qbits=4912
FB1 (400:2): TOA= 1251, Power= -61dBm, Angle=   68Hz =>FB @ FNR 398 fn_offset=398 qbits=4912
FB1 (410:2): TOA= 1251, Power= -63dBm, Angle=   35Hz =>FB @ FNR 408 fn_offset=408 qbits=4912
FB1 (420:2): TOA= 1243, Power= -65dBm, Angle=  -13Hz =>FB @ FNR 418 fn_offset=418 qbits=4880
FB1 (430:2): TOA= 1251, Power= -66dBm, Angle=    5Hz =>FB @ FNR 428 fn_offset=428 qbits=4912
FB1 (441:3): TOA= 2503, Power= -67dBm, Angle=   17Hz =>FB @ FNR 439 fn_offset=439 qbits=4920
FB1 (451:2): TOA= 1299, Power= -69dBm, Angle=    2Hz =>FB @ FNR 450 fn_offset=450 qbits=104
FB1 (471:11): TOA=12567, Power= -69dBm, Angle=   21Hz =>FB @ FNR 470 fn_offset=470 qbits=176
FB1 (492:12): TOA=13675, Power= -68dBm, Angle=  -31Hz =>FB @ FNR 490 fn_offset=490 qbits=4608
FB1 (502:2): TOA= 1251, Power= -68dBm, Angle=   14Hz =>FB @ FNR 500 fn_offset=500 qbits=4912
FB1 (512:2): TOA= 1299, Power= -68dBm, Angle=    6Hz =>FB @ FNR 511 fn_offset=511 qbits=104
FB1 (532:11): TOA=12555, Power= -66dBm, Angle=    7Hz =>FB @ FNR 531 fn_offset=531 qbits=128
FB1 (543:2): TOA= 1275, Power= -67dBm, Angle=   26Hz =>FB @ FNR 542 fn_offset=542 qbits=8
FB1 (563:11): TOA=12503, Power= -67dBm, Angle=  -13Hz =>FB @ FNR 561 fn_offset=561 qbits=4920
FB1 (573:2): TOA= 1243, Power= -67dBm, Angle=   15Hz =>FB @ FNR 571 fn_offset=571 qbits=4880
FB1 (583:2): TOA= 1251, Power= -67dBm, Angle=    9Hz =>FB @ FNR 581 fn_offset=581 qbits=4912
FB1 (594:3): TOA= 2503, Power= -67dBm, Angle=    3Hz =>FB @ FNR 592 fn_offset=592 qbits=4920
FB1 (604:2): TOA= 1251, Power= -67dBm, Angle=   22Hz =>FB @ FNR 602 fn_offset=602 qbits=4912
FB1 (614:2): TOA= 1251, Power= -67dBm, Angle=   10Hz =>FB @ FNR 612 fn_offset=612 qbits=4912
FB1 (624:2): TOA= 1243, Power= -67dBm, Angle=   -1Hz =>FB @ FNR 622 fn_offset=622 qbits=4880
FB1 (634:2): TOA= 1251, Power= -66dBm, Angle=  -14Hz =>FB @ FNR 632 fn_offset=632 qbits=4912
FB1 (645:3): TOA= 2499, Power= -66dBm, Angle=    0Hz =>FB @ FNR 643 fn_offset=643 qbits=4904
FB1 (655:2): TOA= 1295, Power= -66dBm, Angle=   17Hz =>FB @ FNR 654 fn_offset=654 qbits=88
FB1 (675:11): TOA=12515, Power= -66dBm, Angle=  -23Hz =>FB @ FNR 673 fn_offset=673 qbits=4968
FB1 (685:2): TOA= 1251, Power= -66dBm, Angle=   14Hz =>FB @ FNR 683 fn_offset=683 qbits=4912
FB1 (696:3): TOA= 2503, Power= -66dBm, Angle=    0Hz =>FB @ FNR 694 fn_offset=694 qbits=4920
FB1 (706:2): TOA= 1251, Power= -67dBm, Angle=   13Hz =>FB @ FNR 704 fn_offset=704 qbits=4912
FB1 (716:2): TOA= 1295, Power= -68dBm, Angle=   17Hz =>FB @ FNR 715 fn_offset=715 qbits=88
FB1 (736:11): TOA=12443, Power= -68dBm, Angle=  -23Hz =>FB @ FNR 734 fn_offset=734 qbits=4680
FB1 (747:3): TOA= 2527, Power= -68dBm, Angle=   22Hz =>FB @ FNR 746 fn_offset=746 qbits=16
FB1 (767:11): TOA=12503, Power= -69dBm, Angle=  -15Hz =>FB @ FNR 765 fn_offset=765 qbits=4920
FB1 (777:2): TOA= 1203, Power= -69dBm, Angle=   19Hz =>FB @ FNR 775 fn_offset=775 qbits=4720
FB1 (787:2): TOA= 1311, Power= -70dBm, Angle=    5Hz =>FB @ FNR 786 fn_offset=786 qbits=152
FB1 (798:2): TOA= 1251, Power= -70dBm, Angle=   17Hz =>FB @ FNR 796 fn_offset=796 qbits=4912
FB1 (808:2): TOA= 1199, Power= -71dBm, Angle=   17Hz =>FB @ FNR 806 fn_offset=806 qbits=4704
FB1 (818:2): TOA= 1251, Power= -71dBm, Angle=  -18Hz =>FB @ FNR 816 fn_offset=816 qbits=4912
FB1 (828:2): TOA= 1299, Power= -72dBm, Angle=    2Hz =>FB @ FNR 827 fn_offset=827 qbits=104
FB1 (849:12): TOA=13675, Power= -69dBm, Angle=  -13Hz =>FB @ FNR 847 fn_offset=847 qbits=4608
FB1 (859:2): TOA= 1299, Power= -69dBm, Angle=   14Hz =>FB @ FNR 858 fn_offset=858 qbits=104
FB1 (879:11): TOA=12503, Power= -69dBm, Angle=  -36Hz =>FB @ FNR 877 fn_offset=877 qbits=4920
FB1 (889:2): TOA= 1243, Power= -68dBm, Angle=   35Hz =>FB @ FNR 887 fn_offset=887 qbits=4880
FB1 (900:3): TOA= 2555, Power= -68dBm, Angle=   24Hz =>FB @ FNR 899 fn_offset=899 qbits=128
FB1 (920:11): TOA=12451, Power= -69dBm, Angle=  -28Hz =>FB @ FNR 918 fn_offset=918 qbits=4712
FB1 (930:2): TOA= 1251, Power= -69dBm, Angle=    7Hz =>FB @ FNR 928 fn_offset=928 qbits=4912
FB1 (940:2): TOA= 1195, Power= -69dBm, Angle=   11Hz =>FB @ FNR 938 fn_offset=938 qbits=4688
FB1 (951:3): TOA= 2523, Power= -69dBm, Angle=    6Hz =>FB @ FNR 950 fn_offset=950 qbits=0
FB1 (971:11): TOA=12547, Power= -71dBm, Angle=    3Hz =>FB @ FNR 970 fn_offset=970 qbits=96
FB1 (991:11): TOA=12567, Power= -75dBm, Angle=   18Hz =>FB @ FNR 990 fn_offset=990 qbits=176
FB1 (1032:4): TOA= 3803, Power= -75dBm, Angle=  -10Hz =>FB @ FNR 1031 fn_offset=1031 qbits=120
Synchronize_TDMA
LOST!SB2 (2711:1684): TOA=   17, Power= -60dBm, Angle= 1738Hz => SB 0x00089797: BSIC=37 fn=2438464(1838/ 2/ 1) qbits=4976
SB2 (2444039:7257): TOA=   22, Power= -58dBm, Angle=-2015Hz => SB 0x012f13ff: BSIC=63 fn=2087603(1574/11/71)=> DSP reports SB in bit that is 1239921045 bits in the future?!?
SB1 (2090933:10585): TOA=    9, Power= -59dBm, Angle= 1849Hz => SB 0x00a58606: BSIC=1 fn=1715151(1293/ 9/21)=> DSP reports SB in bit that is 1681302282 bits in the future?!?
SB2 (1718584:14016): TOA=   16, Power= -54dBm, Angle= 1703Hz => SB 0x00089797: BSIC=37 fn=2438464(1838/ 2/ 1)=> DSP reports SB in bit that is 2146739789 bits in the future?!?
SB1 (2446030:21580): TOA=    2, Power= -58dBm, Angle= 1683Hz => SB 0x00c30b0c: BSIC=3 fn=31528(23/16/61)=> DSP reports SB in bit that is 1237431025 bits in the future?!?
SB2 (44003:34053): TOA=   22, Power= -57dBm, Angle=   -5Hz => SB 0x0148ca37: BSIC=13 fn=2573420(1940/18/11) qbits=4996
Synchronize_TDMA
LOST!SB2 (2573793:34424): TOA=   37, Power= -56dBm, Angle= -836Hz => SB 0x00a3a0ab: BSIC=42 fn=2462494(1857/ 8/61)=> DSP reports SB in bit that is 1077728560 bits in the future?!?
SB1 (2471920:43848): TOA=   35, Power= -58dBm, Angle= -552Hz => SB 0x00090ea8: BSIC=42 fn=38118(28/ 2/21)=> DSP reports SB in bit that is 1205068558 bits in the future?!?


works, powerbutton works
lcd shows l1test.bin