Hantek DDS-3X25

The Hantek DDS-3X25 is a 25MHz PC-based function generator. It has no external controls, requiring a USB connection to a computer.

Hardware

TODO.

Configures the device. The payload is 6 bytes as below:

Byte	Bit	Description
1		Mode
	7
	6
	5	1 = Reset external trigger (send only once)
	4	1 = External trigger mode enabled
	3	External trigger: 0 = falling, 1 = rising
	2	0 = continuous, 1 = single wave
	1	Counter reset: 0 = leave, 1 = reset
	0	Measurement: 0 = frequency, 1 = counter
2
	7
	6
	5
	4
	3
	2
	1
	0	Output: 0 = pattern generator, 1 = programmable output
3		Digital I/O pins, bits 0-7
4		Bits 0-3 = digital I/O pins bits 8-11, bits 4-7 unused
5		Clock divider, based on 48KHz clock
6