Difference between revisions of "DreamSourceLab DSLogic Basic"

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See [[DreamSourceLab DSLogic#Firmware]].
See [[DreamSourceLab DSLogic#Firmware]].
'''Note''': The FX2 firmware is loaded at powerup from the I²C EEPROM on the PCB.
=== EEPROM layout ===
The device has an I²C EEPROM with the following layout:
<span style="background-color: orange">c2</span> <span style="background-color: lime">0e 2a</span> <span style="background-color: green">21 00</span> <span style="background-color: lightgreen">00 00</span> <span style="background-color: brown">04</span> <span style="background-color: yellow">XX XX XX XX XX XX .. ..</span>
Description:
{| border="0" style="font-size: smaller;" class="alternategrey sigroktable"
!Bytes
!Description
|-
| style="background-color: orange" | 0
| '''0xc2''': FX2 "c2 load" mode, i.e. VID/PID/DID are loaded from EEPROM as the firmware.
|-
| style="background-color: lime" | 1-2
| '''0x2a0e''': USB vendor ID (VID before firmware renumerate).
|-
| style="background-color: green" | 3-4
| '''0x0021''': USB product ID (PID before firmware renumerate).
|-
| style="background-color: lightgreen" | 5-6
| '''0x0000''': USB device ID (DID  before firmware renumerate).
|-
| style="background-color: brown" | 7
| '''0x04''': FX2 configuration byte (see FX2 TRM for details).
|-
| style="background-color: yellow" | 8 - 0x1a7c
| Firmware (6773 bytes, sha1sum: 245fa780273ba478cfe2217e4a4f72a197af9d75b465f4b26c65bf51ef9221b0)
|-
| Rest
| Unknown, probably all-0xff.
|}


== Resources ==
== Resources ==

Revision as of 00:40, 16 April 2020

DreamSourceLab DSLogic Basic
DSLogic.png
Status supported
Source code dreamsourcelab-dslogic
Channels 1-16
Samplerate 100MHz(3ch), 100MHz(6ch), 50MHz(9ch), 32MHz(12ch), 16MHz(16ch)
Samplerate (state) 30MHz (?) or 50MHz (?)
Triggers high, low, rising, falling, edge, multi-stage triggers
Min/max voltage -0.6V — 6V
Threshold voltage configurable: 0-5V (0.1V increments)
Memory None
Compression yes
Website dreamsourcelab.com

The DreamSourceLab DSLogic Basic is a 16-channel USB-based logic analyzer, with sampling rates up to 400MHz (when using only 4 channels).

See DreamSourceLab DSLogic Basic/Info for more details (such as lsusb -v output) about the device.

Hardware

Photos

Device:

Cables:

Firmware

See DreamSourceLab DSLogic#Firmware.

Note: The FX2 firmware is loaded at powerup from the I²C EEPROM on the PCB.

EEPROM layout

The device has an I²C EEPROM with the following layout:

c2 0e 2a 21 00 00 00 04 XX XX XX XX XX XX .. ..

Description:

Bytes Description
0 0xc2: FX2 "c2 load" mode, i.e. VID/PID/DID are loaded from EEPROM as the firmware.
1-2 0x2a0e: USB vendor ID (VID before firmware renumerate).
3-4 0x0021: USB product ID (PID before firmware renumerate).
5-6 0x0000: USB device ID (DID before firmware renumerate).
7 0x04: FX2 configuration byte (see FX2 TRM for details).
8 - 0x1a7c Firmware (6773 bytes, sha1sum: 245fa780273ba478cfe2217e4a4f72a197af9d75b465f4b26c65bf51ef9221b0)
Rest Unknown, probably all-0xff.

Resources