Device buzzer control command

Device buzzer control command explanation

This command is used to control the device buzzer. It’s described in Table 15.

Byte index	Bit index	Hex value – Meaning
0	-	03 – The command code.
1	7:4	Buzzer volume: 0x0: Buzzer volume set to minimum available; 0x1: … 0x2: … … 0xE: Buzzer volume set to maximum available; 0xF: Buzzer is off.
	3:0	Buzzer frequency: 0x0: Buzzer frequency is 1kHz; 0x1: Buzzer frequency is 1.5kHz; 0x2: Buzzer frequency is 2kHz; … 0xA: Buzzer frequency is 6kHz; 0xB: Reserved; 0xC: Reserved; … 0xF: Reserved.
2	-	Time the buzzer to be active. Resolution – 1s. If zero, the buzzer will stay active until buzzer command with volume 0xF is received (buzzer turn-off) or the device button is pressed. During this time the buzzer continuously alternate loud and silent states.
3	-	On time from the buzz loud-silent period. Resolution – 10ms.
4	-	Off time from the buzz loud-silent period. Resolution – 10ms.

Table 15

Example command, [Hex]: 03E60A3264 – commands the buzzer as follows:

• Volume: max. available;

• Frequency: 4kHz;

• Time the buzzer to be active: 10s;

• On time from the buzz loud-silent period: 500ms.

• Off time from the buzz loud-silent period: 1000ms.