$ ../osmocom-bb/src/host/osmocon/osmocon -m c118 -p /dev/ttyUSB0 ../osmocom-bb/src/target/firmware/compal_dump.bin 
got 2 bytes from modem, data looks like: 04 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/compal_dump.bin): file_size=10264, hdr_len=0, dnload_len=10267
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 (4096/10267)
handle_write(): 4096 bytes (8192/10267)
handle_write(): 2075 bytes (10267/10267)
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!
Dropping sample 'm'
Dropping sample 'p'
Dropping sample 'a'
Dropping sample 'l'
Dropping sample ' '
Dropping sample 'd'
Dropping sample 'e'
Dropping sample 'v'
Dropping sample 'i'
Dropping sample 'c'
Dropping sample 'e'
Dropping sample ' '
Dropping sample 'd'
Dropping sample 'a'
Dropping sample 't'
Dropping sample 'a'
Dropping sample ' '
Dropping sample 'd'
Dropping sample 'u'
Dropping sample 'm'
Dropping sample 'p'
Dropping sample 'e'
Dropping sample 'r'
Dropping sample '
'


hangs, blue