mattandClaude
ea1b8b8d15
Downstairs and upstairs are now separate readings. The station names them
backwards -- "temperature_4" is downstairs and "inside_temperature" is
upstairs -- so ha_config.h says which is which. Downstairs is the primary:
big number on the card, and it is what the furnace controls on, because it
is where people are and heat rises. Upstairs sits beside it, obviously
subordinate by size, and costs no vertical space in a layout that has none.
The anemometer came back on 2026-08-07, so wind gets its own column: a dial
whose needle points at the direction the wind is coming FROM (weather-vane
convention, matching the cardinal below it), the speed, and a 5-minute trend
arrow.
- The needle does not animate. A spin would look better, but every animated
frame is a redraw, and redrawing is what starves the bounce refill ISR.
- Below 0.5 mph it shows "Calm" and draws no needle. A vane that is not
being pushed reports whatever it last settled on, which on this station
is a steady 0 degrees -- a confident needle pointing due north at zero
wind. The live snapshot caught exactly that.
- The trend is local, not HA's 10-minute average, so the window is ours to
pick: 1-minute buckets over 5 minutes, threshold 1.5 mph.
That last point needed the trend engine to stop assuming one hour. Window,
bucket size, minimum age and threshold are now per-channel in a table, which
also removes the threshold arguments main.c was passing in.
Grid drops to 117px cells to make room, so the sun sub-line is just which
event it is and "RAIN TODAY" is "RAIN" -- both were overrunning.
On the artefacts: bounce mode is NOT a DMA read of the framebuffer. The
refill is a CPU memcpy in an ISR, which is why the driver skips the usual
write-back in draw_bitmap ("the data gets read by the CPU as well"). So the
panel streams 750KB per frame at ~44Hz through the DCache, evicting the
working set of everything else on the chip, continuously -- which is the real
reason this board is so sensitive to WiFi and to any extra rendering.
bb_invalidate_cache frees each chunk after it is copied. The header warns it
"can be dangerous if data is written from other core(s)"; that does not apply
here, because it invalidates the buffer being scanned and by design LVGL only
draws into the other one. Whether it is enough is for the panel to say.
Also gives tools/ha_snapshot.py a --token-file so the token no longer has to
travel through a shell command line to reach it.
Co-Authored-By: Claude <noreply@anthropic.com>
81 lines
5.0 KiB
C
81 lines
5.0 KiB
C
/*
|
|
* The Jinja template POSTed to Home Assistant's /api/template.
|
|
*
|
|
* Why a template rather than plain REST calls:
|
|
*
|
|
* - One request instead of a dozen. /api/states returns all ~204 entities
|
|
* (far too much to buffer); fetching entities one at a time would mean a
|
|
* dozen round-trips inside the window where the UI is frozen. This is a
|
|
* single ~430 byte reply, measured at ~85ms on the LAN.
|
|
* - HA formats the times. sunrise/sunset/clock/date come back as local-time
|
|
* strings, so the device needs neither SNTP nor a timezone database, and
|
|
* DST is somebody else's problem. The board's clock starts at the epoch
|
|
* and that no longer matters.
|
|
* - Unavailable sensors arrive as JSON null, not a sentinel number. A
|
|
* sentinel would be indistinguishable from a real reading -- -1 mph of
|
|
* wind is impossible, but -1 degF of dew point is not.
|
|
*
|
|
* The reply is compact JSON; see ha_parse_json().
|
|
*/
|
|
#ifndef HA_TEMPLATE_H
|
|
#define HA_TEMPLATE_H
|
|
|
|
#include "ha_config.h"
|
|
|
|
/* Emits the entity list for the lights loop, in HA_LIGHT_LIST order. The
|
|
* trailing comma is deliberate -- Jinja accepts it, and it avoids a
|
|
* last-element special case. The icon argument is the UI layer's. */
|
|
#define HA_TMPL_LIGHT_X(id, label, dimmable, icon) "'" id "',"
|
|
|
|
/*
|
|
* num() -- a state as a number, or null if it is not one ("unavailable",
|
|
* "unknown", or a non-numeric state).
|
|
* attrnum() -- ditto for an attribute; brightness is None when a light is off.
|
|
*/
|
|
#define HA_STATE_TEMPLATE \
|
|
"{%- macro num(e) -%}{%- set v = states(e) -%}" \
|
|
"{{ v | float if is_number(v) else 'null' }}{%- endmacro -%}" \
|
|
"{%- macro attrnum(e, a) -%}{%- set v = state_attr(e, a) -%}" \
|
|
"{{ v if v is number else 'null' }}{%- endmacro -%}" \
|
|
"{" \
|
|
"\"out_t\":" "{{ num('" HA_ENT_OUTDOOR_TEMP "') }}," \
|
|
"\"out_h\":" "{{ num('" HA_ENT_OUTDOOR_HUMIDITY "') }}," \
|
|
"\"dn_t\":" "{{ num('" HA_ENT_INDOOR_DOWN_TEMP "') }}," \
|
|
"\"dn_h\":" "{{ num('" HA_ENT_INDOOR_DOWN_HUMIDITY "') }}," \
|
|
"\"up_t\":" "{{ num('" HA_ENT_INDOOR_UP_TEMP "') }}," \
|
|
"\"up_h\":" "{{ num('" HA_ENT_INDOOR_UP_HUMIDITY "') }}," \
|
|
"\"dew\":" "{{ num('" HA_ENT_DEW_POINT "') }}," \
|
|
"\"press\":" "{{ num('" HA_ENT_PRESSURE "') }}," \
|
|
"\"rain_d\":" "{{ num('" HA_ENT_RAIN_TODAY "') }}," \
|
|
"\"rain_r\":" "{{ num('" HA_ENT_RAIN_RATE "') }}," \
|
|
"\"wind\":" "{{ num('" HA_ENT_WIND_SPEED "') }}," \
|
|
"\"gust\":" "{{ num('" HA_ENT_WIND_GUST "') }}," \
|
|
"\"wdir\":" "{{ num('" HA_ENT_WIND_DIR "') }}," \
|
|
"\"cond\":\"" "{{ states('" HA_ENT_WEATHER "') }}\"," \
|
|
"\"sunrise\":\"{{ (state_attr('" HA_ENT_SUN "','next_rising')" \
|
|
" | as_datetime | as_local).strftime('%-I:%M %p') }}\"," \
|
|
"\"sunset\":\"{{ (state_attr('" HA_ENT_SUN "','next_setting')" \
|
|
" | as_datetime | as_local).strftime('%-I:%M %p') }}\"," \
|
|
"\"sun_up\":{{ (states('" HA_ENT_SUN "') == 'above_horizon') | lower }}," \
|
|
"\"clock\":\"{{ now().strftime('%-I:%M %p') }}\"," \
|
|
"\"date\":\"{{ now().strftime('%a %b %-d') }}\"," \
|
|
"\"lights\":[" \
|
|
"{%- for e in [" HA_LIGHT_LIST(HA_TMPL_LIGHT_X) "] -%}" \
|
|
"{\"s\":\"{{ states(e) }}\",\"b\":{{ attrnum(e,'brightness') }}}" \
|
|
"{{ \",\" if not loop.last }}" \
|
|
"{%- endfor -%}" \
|
|
"]}"
|
|
|
|
/*
|
|
* Forecast body for POST /api/services/weather/get_forecasts?return_response.
|
|
*
|
|
* The forecast is deliberately NOT part of the template above: HA removed the
|
|
* `forecast` attribute from weather entities in 2024.4, and Jinja templates
|
|
* cannot call services. It also changes far more slowly than the sensors, so
|
|
* it is polled on its own longer interval.
|
|
*/
|
|
#define HA_FORECAST_BODY \
|
|
"{\"entity_id\":\"" HA_ENT_WEATHER "\",\"type\":\"daily\"}"
|
|
|
|
#endif
|