Appendix. Configuration Downlink Command; Appx. 1 Payload - Semtech TBMS100 Reference Manual

Appendix. Configuration Downlink Command

(Only For PIR Parameters Settings)
Port
Payload Length
*Note: Configuration Down-link Command should take duty cycle into consideration.

Appx. 1 Payload

Bytes 0
Field Cmd
Cmd Command
Bit [7:0]
Config PIR Sensor Configuration
Bits [4:0]
Bit [5]
Bits [8:6]
Bits [10:9]
Bits [12:11]
Bits [16:13]
Bits [24:17]
Bits [31:25]
© 2019 Browan Communications Inc. All rights reserved.
102
5 bytes
1
0x01 – Set configuration, other values – RFU
RFU
0 – use band-pass filter, 1 – use low-pass filter.
Default: 0 (use BPF)
RFU
unsigned value ω, range 0-3;
window time in sec = (ω + 1) × 4.
Default: 0 (4 sec)
unsigned value ρ, range 0-3;
pulse counter threshold = ρ + 1.
Default: 0 (1 pulse)
unsigned value β, range 0 – 15;
blind time in sec = (β + 1) × 0.5.
Default: 15 (8 sec)
detection threshold, range 0 – 255.
Default: 16
RFU
2 3
Config
4
14