Difference between revisions of "Hantek DDS-3X25"
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== Protocol == | == Protocol == | ||
==== 0xA0: configure ==== | |||
Configures the device. The payload is 6 bytes as below: | |||
{| border="0" width="95%" style="font-size: smaller" class="alternategrey sigroktable" | {| border="0" width="95%" style="font-size: smaller" class="alternategrey sigroktable" | ||
|- | |- | ||
! style="width: 3em;" | Byte | ! style="width: 3em;" | Byte | ||
! style="width: 3em;" | Bit | ! style="width: 3em;" | Bit | ||
| Line 27: | Line 30: | ||
|- | |- | ||
| 1 | | 1 | ||
| | | | ||
| Mode | | Mode | ||
|- | |- | ||
| | | | ||
| 7 | | 7 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 6 | | 6 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 5 | | 5 | ||
| 1 = Reset external trigger (send only once) | | 1 = Reset external trigger (send only once) | ||
|- | |- | ||
| | | | ||
| 4 | | 4 | ||
| 1 = External trigger mode enabled | | 1 = External trigger mode enabled | ||
|- | |- | ||
| | | | ||
| 3 | | 3 | ||
| External trigger: 0 = falling, 1 = rising | | External trigger: 0 = falling, 1 = rising | ||
|- | |- | ||
| | | | ||
| 2 | | 2 | ||
| 0 = continuous, 1 = single wave | | 0 = continuous, 1 = single wave | ||
|- | |- | ||
| | | | ||
| 1 | | 1 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 0 | | 0 | ||
| Line 77: | Line 67: | ||
|- | |- | ||
| 2 | | 2 | ||
| | | | ||
| | | | ||
|- | |- | ||
| | | | ||
| 7 | | 7 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 6 | | 6 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 5 | | 5 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 4 | | 4 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 3 | | 3 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 2 | | 2 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 1 | | 1 | ||
| | | | ||
|- | |- | ||
| | | | ||
| 0 | | 0 | ||
| Line 123: | Line 104: | ||
|- | |- | ||
| 3 | | 3 | ||
| | | | ||
| Line 129: | Line 109: | ||
|- | |- | ||
| 4 | | 4 | ||
| | | | ||
| Line 135: | Line 114: | ||
|- | |- | ||
| 5 | | 5 | ||
| | | | ||
| Line 141: | Line 119: | ||
|- | |- | ||
| 6 | | 6 | ||
| | | | ||
Revision as of 22:48, 5 April 2013
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.
Photos
Protocol
0xA0: configure
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 | ||
| 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 |