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54 Commits

Author SHA1 Message Date
atse ae70ce7e0b Remove old GUI and update docs 2024-02-14 11:31:41 +08:00
topquark12 7c1820872b update docs 2024-02-14 11:31:41 +08:00
atse ae3d8b51d4 Disable feedback current readout on flawed HW Revs 
Thermostats v2.2 and below have a noisy and offset feedback current
`tec_i` caused by missing hardware on 2 MAX1968 TEC driver pins:

1. A missing RC filter on the ITEC pin that would have isolated CPU
sampling pulses from the signal; and
2. Some missing buffering on the VREF pin that would have avoided
loading the VREF signal, preventing voltage drops from the nominal 1.5V.

Since the resulting signal `tec_i` derived from these two signals can
have an error of around +/- 100mA, and readback may affect the stability
performance of the Thermostat, disable current readback entirely on
affected hardware revisions for now.

See https://github.com/sinara-hw/Thermostat/issues/117 and
https://github.com/sinara-hw/Thermostat/issues/120.

On hardware revisions v3.x and above, this would be fixed.
 2024-01-31 12:12:22 +08:00
atse 17edae44fb README: Proofread fan control documentation 2024-01-30 12:43:19 +08:00
atse 631a10938d README: Remove VREF 2024-01-26 17:00:27 +08:00
atse 7646ff9037 README: Avoid deprecated OpenOCD ST-Link config 
The config file interface/stlink-v2-1.cfg is deprecated, and the warning
message encourages the switch to interface/stlink.cfg. Do accordingly.
 2024-01-04 12:44:52 +08:00
topquark12 5ba74c6d9b README: Correct expected TEC polarity 
Adhere to the general convention of TECs cooling down with positive
voltages.
 2023-08-15 16:37:51 +08:00
atse cd680dd6cd README: Correct unit of time in reports 2023-07-20 17:45:16 +08:00
Egor Savkin 570c0324b3 implement support for fan PWM 
Co-authored-by: Egor Savkin <es@m-labs.hk>
Co-committed-by: Egor Savkin <es@m-labs.hk>
 2023-03-22 17:15:49 +08:00
topquark12 26ad2f0119 rewrite PID 
Rewrite of PID according to https://hackmd.io/IACbwcOTSt6Adj3_F9bKuw PID implementation.

To migrate:
- TEC+/- pin polarity has to be reversed.
- Some saved settings might be wiped upon flashing of new firmware, back up settings before upgrade
- Min / Max integral parameters no longer exist
- kp, ki, kd will likely need to be retuned

The software has been tested on hardware with good temperature control stability.

Reviewed-on: M-Labs/thermostat#68
Co-authored-by: topquark12 <aw@m-labs.hk>
Co-committed-by: topquark12 <aw@m-labs.hk>
 2022-02-24 20:16:47 +08:00
mwojcik a26cdfabb1 readme: update CI links 2022-01-19 11:37:01 +08:00
mwojcik 4d43709f76 nix flakes support (#64) 
Reviewed-on: M-Labs/thermostat#64
Co-authored-by: mwojcik <mw@m-labs.hk>
Co-committed-by: mwojcik <mw@m-labs.hk>
 2022-01-19 11:13:47 +08:00
Sebastien Bourdeauducq 1c00e732fa README: minor corrections 2022-01-05 08:22:43 +08:00
Sebastien Bourdeauducq 09082b24a5 README: update build instructions 2022-01-05 08:04:25 +08:00
Sebastien Bourdeauducq e81c6d1692 README: fix objcopy command 2022-01-05 07:50:53 +08:00
Sebastien Bourdeauducq 1f644fd62c README: fix nix-scripts folder 2021-07-14 08:43:59 +08:00
Sebastien Bourdeauducq 4f1d865d2b README: fix Hydra links 2021-07-14 08:42:53 +08:00
topquark12 a1a8efd51a readme: update docs on max_i_neg command and heat flow directions 2021-01-25 13:51:50 +08:00
topquark12 f6802635a4 add command to reboot into DFU 
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2021-01-13 11:59:06 +08:00
topquark12 45b7c4e669 add documentation about PID setup and using Python tools 
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2021-01-07 14:48:39 +08:00
Astro 5987d9c881 README: rlwrap nc, 60 Hz 2020-12-18 21:27:09 +01:00
Astro e9e46b29cf pid: integrate time_delta to free gain parameters from sampling period 
Fixes Gitea issue #22
 2020-12-18 15:40:05 +01:00
Astro b7e6cdbec2 pytec: measure interval 2020-12-16 22:14:21 +01:00
Astro 93ea46d512 README: doc postfilter 
Fixes Gitea issue #21
 2020-12-16 20:47:18 +01:00
Astro 383ebcd8e4 rewrite config for sfkv-based flash_store 2020-12-12 01:25:07 +01:00
Sebastien Bourdeauducq 088bd6eb76 README: cleanup build and flashing instructions 2020-12-09 10:16:40 +08:00
Sebastien Bourdeauducq 35d1e2e205 Revert "not yet ready note" 
This reverts commit 7af5d8582d.

M-Labs/thermostat#23 (comment)
 2020-12-09 10:02:36 +08:00
Astro 1090d0f5b5 Merge pull request 'flashing with dfu-util' (#20) from jbqubit/thermostat:flashdoc into master 
Update based on two issues.
M-Labs/thermostat#10
https://github.com/sinara-hw/Thermostat/issues/87/

Reviewed-on: M-Labs/thermostat#20
 2020-12-09 08:16:45 +08:00
Astro 5c8bb47e11 command_parser: require the explicit `i_set` symbol 2020-12-09 01:07:08 +01:00
Astro b92a5f18cd README: fix units 2020-12-09 00:56:17 +01:00
Joe Britton 7af5d8582d not yet ready note 2020-12-08 12:00:00 -05:00
Joe Britton fca2de665c flashing with dfu-util 2020-12-08 11:07:48 -05:00
Astro ffcc3f661b README: add pid units 2020-12-07 23:18:44 +01:00
Astro 5e8bf0e765 README: add Debugging and Flashing 
Fixes Gitea issue #10
 2020-12-07 00:22:00 +01:00
Joe Britton af0d78237f Clarify purpose of GND pin adjacent to TECn+/-. 2020-12-06 15:11:42 +08:00
Astro 150d6c2f87 README: use frontpanel LED names 2020-10-12 00:26:49 +02:00
Astro aee279b579 README: doc 2020-10-11 21:50:36 +02:00
Astro 1939490410 README: fix syntax 2020-10-11 21:09:15 +02:00
Astro 2e9d22cf47 README: doc 2020-10-11 21:08:02 +02:00
Astro f12214a4df README: doc usb 2020-10-11 01:59:39 +02:00
Astro 59103cb2a1 add support for ipv4 address reconfiguration 2020-10-01 01:34:46 +02:00
Astro 5acebbef9f pytec: doc set_param 2020-10-01 00:35:16 +02:00
Astro 97a09e422b main: add support for disabling postfilters 2020-09-26 01:29:35 +02:00
Astro 83589610b5 implement reset command 2020-09-25 00:14:29 +02:00
Astro 93f14523d7 command_parser: parse load/save 2020-09-24 01:17:50 +02:00
Astro a84242fb1f implement setting i_set centerpoint 2020-09-23 22:30:04 +02:00
Astro fc0ca8b581 calculate i_set current 2020-09-16 22:22:48 +02:00
Astro 8c80062da8 use proper units for pwm pins 2020-09-16 22:06:15 +02:00
Astro ec6aa03dc3 set pwm values as ratio 0..1 2020-05-27 20:38:57 +02:00
Sebastien Bourdeauducq 9682d7657d README: update title 2020-04-09 13:16:30 +08:00