User guide
Redpine Signals, Inc. Proprietary and Confidential. Page 71
R
R
S
S
9
9
1
1
1
1
0
0
-
-
N
N
-
-
1
1
1
1
-
-
2
2
2
2
/
/
2
2
4
4
/
/
2
2
8
8
S
S
o
o
f
f
t
t
w
w
a
a
r
r
e
e
P
P
r
r
o
o
g
g
r
r
a
a
m
m
m
m
i
i
n
n
g
g
R
R
e
e
f
f
e
e
r
r
e
e
n
n
c
c
e
e
M
M
a
a
n
n
u
u
a
a
l
l
V
V
e
e
r
r
s
s
i
i
o
o
n
n
4
4
.
.
1
1
5
5
3.7 Upgrading Firmware
There are two options for firmware upgrade:
Firmware upgrade without wireless firmware upgrade feature
Firmware upgrade with wireless firmware upgrade feature.
The detailed procedure for firmware upgrade is mentioned in the below
sections.
3.7.1 Firmware Upgrade Using UART Interface without wireless firmware
upgrade feature
When the module is powered up, the following sequence is executed
1. Auto Baud Rate Detection
2. The module sends the message:
<space>WELCOME TO REDPINE SIGNALS\r\n<space>\r\n<space>
Byte sequence 0x20 0x57 0x45 0x4C 0x43 0x4F 0x4D 0x45 0x20 0x54 0x4F
0x20 0x52 0x45 0x44 0x50 0x49 0x4E 0x45 0x20 0x53 0x49 0x47 0x4E 0x41
0x4C 0x53 0x0D 0x0A 0x20 0x0D 0x0A 0x20
3. The module sends the message:
<space>Firmware upgrade (y/n)
Byte sequence 0x20 0x46 0x69 0x72 0x6D 0x77 0x61 0x72 0x65 0x20 0x75
0x70 0x67 0x72 0x61 0x64 0x65 0x20 0x28 0x79 0x2F 0x6E 0x29
4. If the user wishes to upgrade firmware, „y‟ (0x79) is sent to the module.
Click here to send files
for upgrade