Difference between revisions of "DreamSourceLab DSLogic U2Basic"
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Uwe Hermann (talk | contribs) (Created page with "{{Infobox logic analyzer | image = | name = DreamSourceLab DSLogic U2Basic | status = planned | source_code_dir = dreamsourcelab-dslogic | c...") |
Uwe Hermann (talk | contribs) |
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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">29 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 | |||
| '''0x0029''': 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 - 6977 | |||
| Firmware (6970 bytes, sha1sum: 47975f295711cf0208bbd963bbfeaf5b36e87b8724cad1e67c0de1a86065b389) | |||
|- | |||
| Rest | |||
| Unknown, probably all-0xff. | |||
|} | |||
== Resources == | == Resources == | ||
Revision as of 01:49, 16 April 2020
| Status | planned |
|---|---|
| Source code | dreamsourcelab-dslogic |
| Channels | 1-16 |
| Samplerate | Stream mode: 100MHz(3ch), 50MHz(6ch), 25MHz(12ch), 20MHz(16ch) |
| Website | dreamsourcelab.com |
The DreamSourceLab DSLogic U2Basic is a 16-channel USB-based logic analyzer, with sampling rates up to 400MHz (when using only 4 channels).
See DreamSourceLab DSLogic U2Basic/Info for more details (such as lsusb -v output) about the device.
Hardware
Photos
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 29 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 | 0x0029: 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 - 6977 | Firmware (6970 bytes, sha1sum: 47975f295711cf0208bbd963bbfeaf5b36e87b8724cad1e67c0de1a86065b389) |
| Rest | Unknown, probably all-0xff. |