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fix(l2): WiFi fails to start or join - big statics and task stacks to PSRAM

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WiFi starts and joins on internal RAM: ~42 KB the first time, ~25 KB after,
more for WPA. Free internal RAM had shrunk to ~20 KB after opening the map
(the tile decoder's 12 KB stack, the 32 KB I-cache, the DMA draw buffers,
UI statics), so a scan failed at once (esp_wifi_init: no memory) and a join
during a tile download timed out (AUTH_EXPIRE).

- ESP-IDF: CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY, and the esp_timer
  task stack 8 -> 4 KB (it uses ~0.4 KB). Rebuild the framework libs:
  pio run -e Wio_Tracker_L2_idf_libs.
- PSRAM_BSS (EXT_RAM_BSS_ATTR) on the UI's big statics: QR codes, map
  state, charts, lists. .dram0.bss 115 -> 66 KB.
- The tile decoder's and fetcher's task stacks in PSRAM.

Free internal RAM, idle: 48 -> 105 KB; WiFi up: 57 KB, 29 KB at the
lowest while downloading tiles.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-10-14 17:23:29 +02:00
co-authored by Claude Opus 5.5
parent 3825dcc077
commit 2f2db6045c
17 changed files with 49 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/companion_radio/ui-lvgl/SettingsPages.h
+3 -3
View File
@@ -374,7 +374,7 @@ static void qrImage(lv_image_dsc_t& dsc, uint8_t* data, size_t size, int n, int
// The Solo site's QR code (ui-core/SiteQr.h), built once at 5 px a module.
static lv_obj_t* siteQr(lv_obj_t* parent) {
static const int S = 5, PX = (siteqr::N + 2 * siteqr::QUIET) * S;
static uint8_t data[8 + (PX + 7) / 8 * PX];
static PSRAM_BSS uint8_t data[8 + (PX + 7) / 8 * PX];
static lv_image_dsc_t dsc;
if (!dsc.data) qrImage(dsc, data, sizeof(data), siteqr::N, S, siteqr::dark);
lv_obj_t* img = lv_image_create(parent);
@@ -386,9 +386,9 @@ static lv_obj_t* siteQr(lv_obj_t* parent) {
// shown (the name can change), 3 px a module; null when it doesn't fit.
static lv_obj_t* contactQr(lv_obj_t* parent) {
static const int S = 3, PX = (contactqr::MAX_VERSION * 4 + 17 + 2 * siteqr::QUIET) * S;
static uint8_t data[8 + (PX + 7) / 8 * PX];
static PSRAM_BSS uint8_t data[8 + (PX + 7) / 8 * PX];
static lv_image_dsc_t dsc;
static contactqr::Code code;
static PSRAM_BSS contactqr::Code code;
if (!contactqr::make(code)) return nullptr;
qrImage(dsc, data, sizeof(data), code.n, S, [](int x, int y) { return code.dark(x, y); });
lv_obj_t* img = lv_image_create(parent);