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Previously the 4-line "identity" screen showed only viewport name, mDNS
host, IP, and state. Expanded to 15 lines covering the full GET /config
+ GET /state output (name, host, ip, state, configured, scrypted,
orientation, brightness, idle, fw, uptime, frames, errs, free heap,
free PSRAM), label/value pairs left-aligned with auto-scaled font.
Renames "identity" → "info" throughout — symbol, log messages,
README/TESTING references.
Also:
- Move the info-screen render's big locals (~1.6 KiB: lines[16][80] +
scrypt[256] + vp_name[64]) to BSS. The touch task's 3 KiB stack
was overflowing on every long-press, leaving whatever frame was
previously on the panel — gave the appearance of a "blue screen"
after the M5 test pattern.
- Drop the ≥5 s touch factory-reset gesture and remove all stale
references to it in docs and comments. NVS wipe is now a USB-side
`idf.py erase-flash` operation only.
- M5 follow-up TODO in jpeg_decoder.c: solid green renders ~black and
solid blue renders green; not a byte-order issue (BGR setting turns
red into blue). Tracked as a known M5 gap.
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The Waveshare ESP32-P4-ETH board exposes BOOT on GPIO 35, but at runtime
that pin is owned by the EMAC TXD1 signal. No usable GPIO is wired to a
separate user button, so the BOOT-button task could never fire.
Move both BOOT-button behaviours onto the touch panel:
- ≥1.5s hold → 15s identity overlay (was BOOT short-press)
- ≥5s hold → factory reset (was BOOT long-hold)
Short tap (<500ms) still toggles wake/sleep. Long-press fires while the
finger is still down so the user gets immediate feedback at each
threshold.
Also strip the R/G/B 6 s boot test sequence — the panel now renders
correctly, so it's no longer useful diagnostically.
Boot subsystem flags drop the trailing B column: [EMHDJT].
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DSI / panel:
- LDO_VO3 acquired at 2500 mV (VDD_MIPI_DPHY) — without this the PHY
PLL busy-waits forever inside esp_lcd_new_dsi_bus.
- PSRAM bumped to 200 MHz (CONFIG_IDF_EXPERIMENTAL_FEATURES) to keep
the DPI fed without underruns.
- Pi-7"-style 800x480 panel init (REG_POWERON, PORTA/PORTB/PWM/PORTC)
+ 16-bit RGB565 framebuffer with portrait-mode rotation buffer in
PSRAM. Currently shows garbled output — known issue, next commit
switches to the TC358762-bridge-aware init sequence.
State + UX:
- viewport_state simplified to AWAKE/ASLEEP only; "unconfigured" is
a flag, not a state. Tap always toggles; content choice (identity
vs frame) is driven by the configured flag.
- BOOT button arms a 15 s identity overlay via local_screens_overlay;
expired callback returns to prior state.
- Boot-done indicator: two backlight flashes (no usable LED GPIO on
the Waveshare board — GPIO 35 BOOT is shared with EMAC TXD1).
- Best-effort subsystem init in app_main; display init deferred to
its own task so a panel hang can't block networking.
Display test pattern: solid R/G/B for 2 s each on boot to characterize
the garble independent of text rendering.
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local_screens_show_ip() now renders four lines instead of two —
all the device's runtime identity at once:
line 1: viewport name ("mudroom" / "viewport" if unconfigured)
line 2: mDNS hostname ("viewport-mudroom.local" / "viewport.local")
line 3: IP ("192.168.1.42" / "no network")
line 4: state ("awake" / "asleep" / "unconfigured")
Same screen is shown on first boot, after factory reset, and as a
15s BOOT short-press overlay — operator always has the device's full
identity one button-press away (find it on the LAN, confirm name +
configuration without curling).
Font scale is auto-picked: the largest integer scale (1×–6×) where
the longest line fits within 90% of width AND all four lines plus
inter-line spacing fit within 90% of height. Works for both portrait
(480×800) and landscape (800×480) without separate code paths.
Font expanded to cover the new strings:
- All lowercase a–z (added b, f, h, j, k, m, q, s, u, x, y, z).
- Punctuation: dash, slash (digits, period, colon already covered).
Fallback policy unchanged: unsupported chars render as blank, which
keeps the table tight and the failure mode visible rather than
crashing.
README "Local rendering" + TESTING.md M8 updated to describe the
four-line identity layout and show both the unconfigured-boot and
configured-overlay example outputs.
Build verified clean against ESP-IDF 5.4 (binary ~873 KB, +1.6 KB
for the expanded font).
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local_screens.{h,c}:
- Embedded 8x8 bitmap font sized to a 95-char table; only the glyphs
used by today's strings (viewport.local, the IPv4 string, Loading...)
are populated. Unsupported chars render blank.
- 768 KB PSRAM scratch FB at panel-native dims.
- local_screens_show_ip() — two centered lines:
"viewport.local"
<current IP>
Scale 3x portrait / 4x landscape; centered vertically.
- local_screens_show_loading() — centered "Loading..." at scale 4x/5x.
- local_screens_restore_for_state() — repaint after BOOT-overlay expiry:
UNCONFIGURED -> IP screen; AWAKE/ASLEEP -> black FB (next /frame or
sleep handles the rest).
- All paths go through display_present_rgb565() so orientation rotation
is automatic.
button.{h,c}:
- Polling task at 30ms, active-low with internal pull-up.
- Short press (<5s, released) → backlight on, IP overlay for 15s via
esp_timer one-shot, then restore.
- Hold ≥ 5s → nvs_config_reset() + esp_restart().
- PIN_BOOT_BUTTON = GPIO 0 is a TODO placeholder. ESP32-P4 strap pin
GPIO35 is owned by RMII TXD1 at runtime so Waveshare must expose a
separate user button on a free pin; confirm against the schematic.
Fail-soft if mis-wired: input reads stuck-high and the task never
fires.
state_machine on AWAKE transition now calls local_screens_show_loading()
right after display_wake() — so every wake (tap or POST /state) flashes
a clear "Loading..." until the next /frame paints over it.
app_main on boot:
- Calls local_screens_init() after display_init().
- UNCONFIGURED → paint IP screen (replaces the M3 test pattern).
- ASLEEP → backlight off (unchanged).
- After all subsystems: button_init().
Build clean against ESP-IDF 5.4 (binary ~870 KB; the font/glyph data is
under 800 bytes).
TESTING.md M8 documents the visual checks, the BOOT-pin placeholder
caveat, the AWAKE-overlay-overwrite behavior, the open follow-up about
post-overlay backlight when ASLEEP, and the font fallback policy.
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