NXP Semiconductors
UM11490
Feature Configuration Guide for NXP-based Wireless Modules on i.MX 8M Quad EVK
4.9.1.3 Set the transmit test parameters
This command sets the transmit test parameters. An HCI Reset command is required
after this test to resume normal Bluetooth operations.
root@imx8mqevk:~# hcitool -i hci0 cmd 0x3F 0x0019 0x80 0x80 0x80 0x80 0x01 0x00
0x01 0x02 0x01 0x0F 0x01 0x00 0x00 0x01 0x00 0x00 0x00 0x04
Command output example:
< HCI Command: ogf 0x3f, ocf 0x0019, plen 18
80 80 80 80 01 00 01 02 01 0F 01 00 00 01 00 00 00 04
< HCI Command: Vendor (0x3f|0x0019) plen 18
80 80 80 80 01 00 01 02 01 0f 01 00 00 01 00 00
00 04
< HCI Event: 0x0e plen 4
01 19 FC 00
> HCI Event: Command Complete (0x0e) plen 4
Vendor (0x3f|0x0019) ncmd 1
Status: Success (0x00)
> HCI Event: Vendor (0xff) plen 6
19 00 01 00 00 00
where:
Parameter
Length
Definition
OGF
1
0x3F
OCF
2
0x0019
RxOnStart
1
SyntOnStart 1
1
TxOnStart
1
PhdOffStart
1
These 4 parameters should be set to 0x80.
TestScenario
1
Test scenario
•
0x01 = PATTERN_00 (data pattern: 0x00)
•
0x02 = PATTERN_FF (data pattern: 0xFF)
•
0x03 = PATTERN_55 (data pattern: 0x55)
•
0x04 = PATTERN_PRBS (data pattern: 0xFE)
•
0x09 = PATTERN_0F (data pattern: 0x0F)
•
0xFF = exit test
HoppingMode
1
•
0x00 = fix frequency
•
0x01 = hopping set
TxChannel
1
Transmit Frequency = (2402+k) MHz, where k is the value of
TxChannel
RxChannel
1
Receive Frequency = (2402+k) MHz, where k is the value of
RxChannel
TxTestInterval
1
Poll interval in frames for the link (units, 1.25 ms)
UM11490
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User manual
Rev. 2 — 29 January 2021
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