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SP1ML

Module operation

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3.5

Information registers

3.6

Example command sequence

Table 12 shows a typical command sequence to enter command mode, issue AT

commands to configure settings of the SPIRIT1 radio and then exit back to operating mode.

S27

Source_FILT_MASK

Address: An 8-bit source filter mask, used when source filtering is

enabled.

Values: Any 8-bit hexadecimal value.

Default: 0x00

S28

PAYLOAD_SIZE

Packet: Packet payload size in bytes.

Values: 1 to 96

Default: 32

Table 10. Configuration registers (continued)

#

Name

Description

Table 11. Information registers

#

Name

Description

I0

PER

Packet error rate (%).

I1

RSSI

Received signal strength indicator.

I2

LQI

Link quality indicator.

I3

PQI

Preamble quality indicator.

I4

SQI

Synchronization quality indicator.

I5

PACKET_COUNT

Count of packets received.

I6

PACKETS_LOST

Count of packets lost.

Table 12. Example configuration AT sequence

Host command

Module response

Description

+++

OK<LF><CR>

Escape sequence to put module into command mode

from operating mode.

ATS02=38400

OK<LF><CR>

Set the radio data rate to 38400 bps.

ATS03=2

OK<LF><CR>

Set the modulation scheme to GFSK1.

ATS04=+8

OK<LF><CR>

Set the output power to +8 dBm.

AT/C

OK<LF><CR>

Write configuration to EEPROM.

ATO

OK<LF><CR>

Return to operating mode.