b7a2e50506
Keep the curve and thermistor comments timeless
...
Both headers described the port transformation ("legacy cubic becomes",
"no hand-rolled series needed") rather than what the code is. State the
cubic and the __builtin_log rationale directly.
Co-Authored-By: Claude <noreply@anthropic.com >
2026-07-18 10:10:47 +02:00
f17ebd17e5
Use libavr flash_table and __builtin_log
...
The thermistor Beta curve and the fan cubic move onto avr::flash_table
instead of hand-rolled [[gnu::progmem]] arrays with raw pgm_read, and
the compile-time logarithm uses __builtin_log (which constant-folds on
the AVR backend) instead of a hand-rolled series. Same 11284 B, still
byte-identical across libavr modes.
Co-Authored-By: Claude <noreply@anthropic.com >
2026-07-18 08:03:42 +02:00
ab78d94872
Rewrite on libavr
...
Same controller: thermistor on ADC0 averaged over 1000 free-running
conversions, 50 kHz fan PWM on OC0B, 115200 Bd console with the full
command set, EEPROM temperature histogram, watchdog-reset path into the
boot section. The Steinhart-Hart math and the libm log are gone — the
Beta equation and the cubic fan curve are consteval-evaluated into
flash tables; the firmware never does floating point. Byte-identical
.text in both libavr modes. Legacy stays on master.
Co-Authored-By: Claude <noreply@anthropic.com >
2026-07-18 04:37:26 +02:00
76d6b1583b
Indicate auto/manual fan speed
2021-02-12 17:12:56 +01:00
5ec4a5441a
Implement setting fan speed manually
2021-02-12 16:38:41 +01:00
7aa98a8ebd
Replace sprintf with dtostrf to save about 1.5k of flash
2020-04-13 01:13:44 +02:00
64d6df256d
Fix string being located in RAM
2020-04-13 00:54:44 +02:00
16ebed63c2
Change to stk500v2 compatible bootloader
2020-04-13 00:49:21 +02:00
eee2e6172a
Fix rounding of percentage calculation
2020-04-10 17:21:39 +02:00
d6269952a6
Add saving to EEPROM on bootloader entry
2020-04-09 13:21:53 +02:00
6a7213de60
Add statistics reset command
2020-04-08 13:45:14 +02:00
ed2fddc427
Fix handling of statistics before data is available and fix normalization factor
2020-04-08 13:44:54 +02:00
1694e3bbab
Change histogram to only print from min to max
2020-04-08 12:58:59 +02:00
02565c9396
Add percentages to histogram
2020-04-08 12:41:53 +02:00
00082617d1
Make help messages consistent
2020-04-08 09:52:39 +02:00
b8a40aed17
Implement eeprom stored persistent histogram
2020-04-08 02:17:34 +02:00
cae18b98e7
Reduce code duplication
2020-04-07 21:54:15 +02:00
6ba4a2ce3d
Add eeprom saved statistics
2020-04-07 21:09:27 +02:00
ea6a6bd218
Add check to prevent printing data before it's available
2020-04-07 21:05:40 +02:00
f3cf12db3b
Refactor terminal callback
2020-04-06 22:17:32 +02:00
34428b76dd
Add uptime command
2020-04-06 22:12:11 +02:00
9ef4d2a737
Add millis timer for timekeeping
2020-04-06 21:36:47 +02:00
e29ee8c11f
Fix commands being accepted in monitor mode
2020-04-06 19:53:46 +02:00
dd42aebb16
Make adc sampling interrupt driven
2020-04-06 19:43:32 +02:00
8db7bde6e5
Remove bootloader countdown and change timeout to 3s
2020-04-06 17:50:17 +02:00
508f139f47
Refactor substring comparison
2020-04-06 17:46:10 +02:00
45a79adc56
Fix leaking details into global namespace
2020-04-06 17:05:48 +02:00
67559642a3
Change boot-up message to include version
2020-04-06 16:36:33 +02:00
9ab76f4ce5
Add version number
2020-04-06 16:33:57 +02:00
07be559e94
Add tsb bootloader support
2020-04-01 19:04:27 +02:00
04bcb76382
Change echo of backspace to be compatible with more terminals
2020-04-01 15:33:48 +02:00
6003ea6603
Add monitor command to continuously show measurements
2020-04-01 05:21:56 +02:00
d6fa78ae5f
Change temperature curve to cubic
2020-04-01 05:07:30 +02:00
aab90f0fc0
Add ctrl + c handler
2020-04-01 05:07:12 +02:00
7f62961757
Add printing of temperature curve
2020-04-01 04:59:11 +02:00
c0235bfcf0
Refactor magic numbers to have constants
2020-04-01 04:36:22 +02:00
45eafd9fc3
Improve printing further
2020-04-01 04:07:50 +02:00
db2d8f6931
Improve measurement output
2020-04-01 04:00:59 +02:00
48cfdea11d
Add handling of unknown commands
2020-04-01 03:58:44 +02:00
9d639cd955
Remove unnecessary undefs
2020-04-01 03:55:08 +02:00
2999fbcbcc
Fix global flash strings to compile to one instance instead of one per function
2020-04-01 03:54:01 +02:00
226d1ba6c9
Refactor code from main to controller class
2020-04-01 03:11:03 +02:00
a33a764b1d
Add parsing and handling of help command
2020-04-01 02:41:09 +02:00
af35388505
Add basic terminal
2020-04-01 02:27:28 +02:00
ed4972c87e
Fix submodules
2020-03-30 19:53:04 +02:00
7175193561
Rename project to fantemp
2020-03-30 19:45:33 +02:00
094e61a7c1
Add fan control according to temperature
2020-03-30 19:38:24 +02:00
eee348d851
Refactor thermistor code into static class
2020-03-30 17:01:48 +02:00
2575863048
Change programmer to Atmel-ICE
2020-03-30 16:00:40 +02:00
8cf17dc774
Implement temperature calculation
2020-03-29 06:20:21 +02:00
