➜  ~ avarice -4 -d :4242              
AVaRICE version 2.13svn20160229, Nov 26 2017 20:43:27

Defaulting JTAG bitrate to 250 kHz.

Found HID PID:VID 0x03eb:0x2140, serno J30200010645
Probing for HID max. packet size
Setting max. packet size to 512 from DAP_Info
JTAG config starting.

command "sign-on" [0x01, 0x10]
0E 00 00 00 01 10 00 
HID thread started
Received 0x81 0x11 0x00 0x06 0x0e 0x00
read:  0e 00 00 01 80 00

Got message seqno 0 (command_sequence == 0)
response: 01 80 00 

command "get info (serial number)" [0x00, 0x00]
0E 00 01 00 00 00 00 81 
Received 0x81 0x11 0x00 0x12 0x0e 0x01
read:  0e 01 00 00 81 00 4a 33 30 32 30 30 30 31 30 36 34 35

Got message seqno 1 (command_sequence == 1)
response: 00 81 00 4A 33 30 32 30 30 30 31 30 36 34 35 
Found a device, serial number: J30200010645

command "get parameter" [0x01, 0x02]
0E 00 02 00 01 02 00 00 00 05 
Received 0x81 0x11 0x00 0x0c 0x0e 0x02
read:  0e 02 00 01 84 01 00 03 36 77 00 00

Got message seqno 2 (command_sequence == 2)
response: 01 84 01 00 03 36 77 00 00 
ICE hardware version: 0
ICE firmware version: 3.54 (rel. 119)

command "set parameter" [0x12, 0x01]
0E 00 03 00 12 01 00 00 00 01 02 
Received 0x81 0x11 0x00 0x06 0x0e 0x03
read:  0e 03 00 12 80 00

Got message seqno 3 (command_sequence == 3)
response: 12 80 00 

command "set parameter" [0x12, 0x01]
0E 00 04 00 12 01 00 00 01 01 02 
Received 0x81 0x11 0x00 0x06 0x0e 0x04
read:  0e 04 00 12 80 00

Got message seqno 4 (command_sequence == 4)
response: 12 80 00 

command "set parameter" [0x12, 0x01]
0E 00 05 00 12 01 00 01 00 01 04 
Received 0x81 0x11 0x00 0x06 0x0e 0x05
read:  0e 05 00 12 80 00

Got message seqno 5 (command_sequence == 5)
response: 12 80 00 

command "AVR sign-on" [0x12, 0x10]
0E 00 06 00 12 10 00 00 
Received 0x81 0x11 0x00 0x0b 0x0e 0x06
read:  0e 06 00 12 84 00 3f a0 60 59 00

Got message seqno 6 (command_sequence == 6)
response: 12 84 00 3F A0 60 59 00 
AVR sign-on responded with device ID = 0x5960A03F : Ver = 0x5 : Device = 0x960a : Manuf = 0x1f
Reported device ID: 0x960A
Configured for device ID: 0x960A atmega644p
Automatic device detection: 
command "set parameter" [0x12, 0x01]
0E 00 07 00 12 01 00 02 00 1F 00 01 00 00 01 00 00 00 00 00 00 7E 00 00 00 01 00 08 08 03 01 00 00 00 31 22 21 1F 20 57 46 
Received 0x81 0x11 0x00 0x06 0x0e 0x07
read:  0e 07 00 12 80 00

Got message seqno 7 (command_sequence == 7)
response: 12 80 00 
JTAG config complete.
Preparing the target device for On Chip Debugging.

command "set parameter" [0x12, 0x01]
0E 00 08 00 12 01 00 01 21 02 FA 00 
Received 0x81 0x11 0x00 0x06 0x0e 0x08
read:  0e 08 00 12 80 00

Got message seqno 8 (command_sequence == 8)
response: 12 80 00 
jtagRead 
command "enter progmode" [0x12, 0x15]
0E 00 09 00 12 15 00 
Received 0x81 0x11 0x00 0x06 0x0e 0x09
read:  0e 09 00 12 80 00

Got message seqno 9 (command_sequence == 9)
response: 12 80 00 

command "read memory" [0x12, 0x21]
0E 00 0A 00 12 21 00 B2 00 00 00 00 03 00 00 00 
Received 0x81 0x11 0x00 0x0a 0x0e 0x0a
read:  0e 0a 00 12 84 00 e2 11 ff 00

Got message seqno 10 (command_sequence == 10)
response: 12 84 00 E2 11 FF 00 

command "leave progmode" [0x12, 0x16]
0E 00 0B 00 12 16 00 
Received 0x81 0x11 0x00 0x06 0x0e 0x0b
read:  0e 0b 00 12 80 00

Got message seqno 11 (command_sequence == 11)
response: 12 80 00 

command "set parameter" [0x12, 0x01]
0E 00 0C 00 12 01 00 03 00 01 00 
Received 0x81 0x11 0x00 0x06 0x0e 0x0c
read:  0e 0c 00 12 80 00

Got message seqno 12 (command_sequence == 12)
response: 12 80 00 

command "reset" [0x12, 0x30]
0E 00 0D 00 12 30 00 01 
Received 0x81 0x11 0x00 0x06 0x0e 0x0d
read:  0e 0d 00 12 80 00

Got message seqno 13 (command_sequence == 13)
response: 12 80 00 
read:  0e 00 03 00 12 40 00 00 00 00 02 08 00 30
Event serial 0x0003
caching PC: 0x0000
Waiting for connection on port 4242.