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216 Commits

Author SHA1 Message Date
mwojcik 1b2f2f3888 update code to use stm32f4xx-hal 0.10.1 API 2022-03-02 17:21:17 +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
topquark12 e6a5c31db6 main.rs refactor to reduce length (#60) 
Move command handling to command_handler.rs to shorten main.rs

Reviewed-on: M-Labs/thermostat#60
Co-authored-by: topquark12 <aw@m-labs.hk>
Co-committed-by: topquark12 <aw@m-labs.hk>
 2021-06-07 10:07:05 +08:00
topquark12 a5d8661b10 main: fix handling of incomplete data received (#55) 
Reviewed-on: M-Labs/thermostat#55
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2021-01-29 16:18:07 +08:00
topquark12 7cb0ed70be Reset all TCP sockets before MCU reset (#53) 
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2021-01-26 17:45:14 +08:00
topquark12 16844a1dc1 dac: fix inconsistent current output behavior due to repeated sampling of noisy vref 2021-01-25 13:51:50 +08:00
Sebastien Bourdeauducq 8eb3cc4307 dfu: style 2021-01-18 16:59:13 +08:00
topquark12 f3661ac8e3 dfu: refactor 2021-01-18 16:45:01 +08:00
topquark12 c4e3be1d05 fix pid.rs test, exclude dfu from test 2021-01-16 11:04:24 +08:00
topquark12 cf3ace4d2d flash_store: get addresses from linker 
Reviewed-on: M-Labs/thermostat#49
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2021-01-13 17:30:12 +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 9e4d06fdbc clarify comment 2021-01-11 16:24:43 +08:00
topquark12 3433881d0f remove dead code 2021-01-11 14:10:50 +08:00
topquark12 193d54a0a6 pid: anti-windup when compliance voltage reached 2021-01-11 14:00:52 +08:00
topquark12 3067b356c5 channels: add methods to retrieve actual voltage and current of TEC 2021-01-08 16:18:20 +08:00
topquark12 3ba2cc9ddc channels: voltage measurement refalect actual voltage across TEC 2021-01-08 15:52:35 +08:00
topquark12 1539b624bd pid: more sensible default parameters 2021-01-08 11:31:33 +08:00
topquark12 5c84b7438b Integral rescaling 2021-01-08 11:25:01 +08:00
topquark12 cc0126636c report save success 
save does not hang, it just did not report save success. Closes #33

Reviewed-on: M-Labs/thermostat#44
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2021-01-07 18:01:43 +08:00
topquark12 e94601f54f pid: fix derivative calculation 
Reviewed-on: M-Labs/thermostat#40
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2020-12-29 17:09:03 +08:00
topquark12 8c9e12587f fix simulation math, provided simulation control loop is stable and passes test, reaching simulation cycle limit before settling fails test 2020-12-28 17:38:10 +08:00
topquark12 7c013ff4a4 PID fixes 
Flipped error calculation method to correct behavior of kP and kI terms.

Added anti integral windup to integral handling.

Changed how the i and integral term is calculated, to prevent old kI settings from affecting the current i term calculation when kI is being tuned. Especially noticable when kI is set from a non-zero value to zero.
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>
 2020-12-26 11:47:21 +08:00
Sebastien Bourdeauducq 50a1b9f52d pid: partial -> proportional 2020-12-26 11:01:40 +08:00
Astro 9852b32646 command_parser, main: implement ShowCommand::Ipv4 
Fixes Gitea issue #30
 2020-12-20 20:44:10 +01:00
Astro 22b0c9fcad main: don't re- set_ipv4_config every tick 2020-12-20 20:43:20 +01:00
Astro e13ed37271 pid: fix tests 2020-12-20 20:24:24 +01:00
Astro b176fc2788 pid: doc parameters 2020-12-18 16:29:53 +01:00
Astro b717ac5495 pid: update default gain parameters 2020-12-18 16:27:47 +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 b2f455b2cf config: save/store pid_engaged 
Fixes Gitea issue #17
 2020-12-13 02:33:59 +01:00
Astro ecc00a6aeb init_log: delint 2020-12-13 02:24:29 +01:00
Astro 97813f917d flash_store: get to a working state 2020-12-13 01:17:03 +01:00
Astro 880a887c40 new flash-based ipv4 config with additional mask_len, gateway 2020-12-12 23:44:16 +01:00
Astro 383ebcd8e4 rewrite config for sfkv-based flash_store 2020-12-12 01:25:07 +01:00
Astro 5c8bb47e11 command_parser: require the explicit `i_set` symbol 2020-12-09 01:07:08 +01:00
Astro 5ddd4d250e channels: swap adc inputs 
Fixes Gitea issue #12
 2020-12-07 00:22:00 +01:00
Astro ffb70bde0a command_parser: fix input_remain match 2020-10-30 15:04:14 +01:00
Astro d517dd75fe update dependencies 2020-10-30 15:03:57 +01:00
Astro a943308203 pid: never reset 2020-10-13 23:55:22 +02:00
Astro c005784df5 steinhart_hart: rm outdated doc 2020-10-11 23:20:56 +02:00
Astro d574ccb5f4 pid: change signedness from heating to cooling 2020-10-11 23:12:18 +02:00
Astro 6ba1459a3c main: send error on invalid command 2020-10-11 23:11:27 +02:00
Astro a332b5fcdc main: fix saving new_ipv4_address 2020-10-11 01:59:39 +02:00
Astro 83a266852a pid: move ki coefficient inside integration 2020-10-11 01:59:39 +02:00
Astro 175b88d0e6 s/tecpak/thermostat/g 2020-10-11 01:59:39 +02:00
Astro 6fd5328042 channels: rm debug output 2020-10-01 02:09:43 +02:00
Astro 59103cb2a1 add support for ipv4 address reconfiguration 2020-10-01 01:34:46 +02:00
Astro 12e713dc19 init_log: bump max level to Debug for USB 2020-10-01 00:34:28 +02:00
Astro 438da74721 main: remove all plain-text responses 2020-09-30 23:53:13 +02:00