Atmel SAM9X25, Manual

Page: 67 / 1145

67
11054A–ATARM–27-Jul-11
SAM9X25
67
11054A–ATARM–27-Jul-11
SAM9X25
Figure 11-10. SAM-BA Monitor Diagram
11.5.1 Command List
• Mode commands:
– Normal mode configures SAM-BA Monitor to send / receive data in binary format,
– Terminal mode configures SAM-BA Monitor to send / receive data in ascii format.
• Write commands: Write a byte ( O ), a halfword ( H ) or a word ( W ) to the target.
– Address : Address in hexadecimal.
– Value : Byte, halfword or word to write in hexadecimal.
– Output : ‘>’
• Read commands: Read a byte ( o ), a halfword ( h ) or a word ( w ) from the target.
Character(s) received
on DBGU ?
Run monitor
Wait for command
on the USB link
Run monitor
Wait for command
on the DBGU link
USB Enumeration
Successful ?
Yes Yes
No
No
Init DBGU and USB
No valid code in NVM
Table 11-4. Commands Available through the SAM-BA Monitor
Command Action Argument(s) Example
N set Normal mode No argument N #
T set Terminal mode No argument T #
O write a byte Address, Value# O 200001,CA#
o read a byte Address,# o 200001,#
H write a half word Address, Value# H 200002,CAFE#
h read a half word Address,# h 200002,#
W write a word Address, Value# W 200000,CAFEDECA#
w read a word Address,# w 200000,#
S send a file Address,# S 200000,#
R receive a file Address, NbOfBytes# R 200000,1234#
G go Address# G 200200#
V display version No argument V #