Difference between revisions of "Tondaj SL-814"
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== Protocol == | == Protocol == | ||
The device has a mini-USB connector for PC connectivity. It ships with a Prolific USB-to-serial cable (i.e. the Prolific chip is ''inside the cable'') which can be attached to that connector. | |||
The device accepts a simple command-based protocol over the (virtual) serial port, using a baudrate of '''9600 baud''', with '''8e1''' settings (8 data bits, even parity, one stop bit). | |||
=== Commands === | |||
{| border="0" style="font-size: smaller" class="alternategrey sortable sigroktable" | |||
|- bgcolor="#6699ff" | |||
!Name | |||
!Command | |||
!Reply | |||
!Comments | |||
|- bgcolor="#eeeeee" | |||
| Init | |||
| 0x10 0x04 0x0d | |||
| 0x05 0x0d | |||
| | |||
|- bgcolor="#eeeeee" | |||
| Get measurement | |||
| 0x30 '''0xZZ''' 0x0d | |||
| ''0xAA 0xBB'' '''0xZZ+1''' 0x0d | |||
| | |||
|} | |||
Revision as of 22:26, 2 August 2012
The Tondaj SL-814 is a sound level meter with USB connectivity.
Hardware
- Atmel ATmega8/L
- ...
Photos
TODO.
Protocol
The device has a mini-USB connector for PC connectivity. It ships with a Prolific USB-to-serial cable (i.e. the Prolific chip is inside the cable) which can be attached to that connector.
The device accepts a simple command-based protocol over the (virtual) serial port, using a baudrate of 9600 baud, with 8e1 settings (8 data bits, even parity, one stop bit).
Commands
| Name | Command | Reply | Comments |
|---|---|---|---|
| Init | 0x10 0x04 0x0d | 0x05 0x0d | |
| Get measurement | 0x30 0xZZ 0x0d | 0xAA 0xBB 0xZZ+1 0x0d |