GX20
2 – 64
CONFIDENTIAL
[6] Specification for function test
•
Outline
AT commands are used for the function test mode.
To enter the general mode, send the command “AT+XDIAG”.
Then the machine can accept all key test functions (see “All Key Test and Others” on page 2-76) and further commands from the computer.
•
Logic of signals
1)Setting function (AT Command: AT+XDIAG)
Asynchronous (Consisting of 115200bps, data length 8, start 1, stop 1, and Parity None).
2)After shifting to Function Test
Incoming/Outgoing serial signals should be as follows.
ST: Start bit
D0-D7:Data bit
PB: Parity bit
SP: Stop bit
After AT+XDIAG
1. Synchro systemAsynchronous (Consisting of data length 8, start 1, stop 1, and Parity None)
•
Signal protocol
1.The personal computer requests a response from a mobile machine to establish communications.
2.When keys are pressed, appropriate key codes are transmitted serially.
3.ASCII Characters (only capitals in the case of alphabet) are used for incoming/outgoing serial signals.
At the end, return codes (0Dh, 0Ah)
are added.
4.Once making a request, the personal computer cannot make another request until the mobile machine returns a certain response.
Time-
out does not occur.
KEY Layout
Left Soft
Right Soft
Centre
"Vodafone live!"
Send
End/Power
1
2
3
ABC
DEF
4
5
6
GHI
JKL
MNO
7
8
9
PQRS
TUV
WXYZ
0
#
Side
Up
Side
Down
ST D0 D1 D2 D3 D4 D5 D6 D7 PB SP
H
L
Содержание GX20
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