| 1 | ## |
| 2 | ## This file is part of the libsigrokdecode project. |
| 3 | ## |
| 4 | ## Copyright (C) 2020 Tomas Mudrunka <harvie@github> |
| 5 | ## |
| 6 | ## This program is free software; you can redistribute it and/or modify |
| 7 | ## it under the terms of the GNU General Public License as published by |
| 8 | ## the Free Software Foundation; either version 2 of the License, or |
| 9 | ## (at your option) any later version. |
| 10 | ## |
| 11 | ## This program is distributed in the hope that it will be useful, |
| 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | ## GNU General Public License for more details. |
| 15 | ## |
| 16 | ## You should have received a copy of the GNU General Public License |
| 17 | ## along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 18 | ## |
| 19 | |
| 20 | ''' |
| 21 | This decodes digital output of cheap generic calipers (usualy made in china) |
| 22 | Decoder will show measured value in milimeters or inches. |
| 23 | |
| 24 | Please note that these devices often communicate on low voltage level, |
| 25 | which might not be possible to capture with 3.3V logic analyzers. |
| 26 | So additional circuitry might be needed to capture the signal. |
| 27 | |
| 28 | This is NOT for calipers using Digimatic protocol (eg. Mitutoyo and similar brands) |
| 29 | |
| 30 | More info: |
| 31 | |
| 32 | http://www.shumatech.com/support/chinese_scales.htm |
| 33 | https://www.instructables.com/id/Reading-Digital-Callipers-with-an-Arduino-USB/ |
| 34 | ''' |
| 35 | |
| 36 | from .pd import Decoder |