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feat: a QR code of the Solo manual on every screen

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ui-new: Status › System, Enter shows it full screen. L2: Settings › About.
One precomputed 25 x 25 matrix (ui-core/SiteQr.h) for both, so no QR
library; the URL in upper case keeps it at version 2.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-10-09 09:38:29 +02:00
co-authored by Claude Opus 5.5
parent 57cf58424d
commit c9877e0ab1
4 changed files with 112 additions and 3 deletions
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examples/companion_radio/ui-lvgl/UITask.cpp
+39 -2
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@@ -87,6 +87,7 @@ static bool s_chats_stale = false; // Messages: a refresh waits for a held row
#include "../ui-core/SoundControl.h"
#include "../ui-core/SoundNotifier.h"
#include "../ui-core/MessageText.h"
#include "../ui-core/SiteQr.h"
#include "Theme.h"
#include "Anim.h"
#include "LvglPort.h"
@@ -4479,12 +4480,48 @@ void UITask::buildKeyboardPage(lv_obj_t* body) {
groupNote(body, "Hold a letter for accents and other variants.");
}
// Settings > About: this node, the firmware, credits.
// The Solo site's QR code (ui-core/SiteQr.h): a 1-bit image, black on white
// with its quiet zone, built once at 5 px a module.
static lv_obj_t* siteQr(lv_obj_t* parent) {
static const int S = 5, SIDE = siteqr::N + 2 * siteqr::QUIET, PX = SIDE * S, STRIDE = (PX + 7) / 8;
static uint8_t data[8 + STRIDE * PX]; // the palette (white, black), then the rows
static lv_image_dsc_t dsc;
if (!dsc.data) {
const lv_color32_t pal[2] = { lv_color32_make(0xFF, 0xFF, 0xFF, 0xFF), lv_color32_make(0, 0, 0, 0xFF) };
memcpy(data, pal, sizeof(pal));
uint8_t* px = data + 8;
for (int y = 0; y < PX; y++)
for (int x = 0; x < PX; x++) {
int mx = x / S - siteqr::QUIET, my = y / S - siteqr::QUIET;
if (mx >= 0 && my >= 0 && mx < siteqr::N && my < siteqr::N && siteqr::dark(mx, my))
px[y * STRIDE + x / 8] |= 0x80 >> (x % 8);
}
dsc.header.magic = LV_IMAGE_HEADER_MAGIC;
dsc.header.cf = LV_COLOR_FORMAT_I1;
dsc.header.w = PX;
dsc.header.h = PX;
dsc.header.stride = STRIDE;
dsc.data_size = sizeof(data);
dsc.data = data;
}
lv_obj_t* img = lv_image_create(parent);
lv_image_set_src(img, &dsc);
return img;
}
// Settings > About: this node, the firmware, the manual's QR code, credits.
void UITask::buildAboutPage(lv_obj_t* body) {
lv_obj_t* about = infoCard(body);
infoRow(about, "Node", the_mesh.getNodeName());
infoRow(about, "Firmware", FIRMWARE_VERSION);
if (!strstr(FIRMWARE_VERSION, FIRMWARE_BUILD_DATE)) infoRow(about, "Built", FIRMWARE_BUILD_DATE);
sectionTitle(body, "MANUAL");
lv_obj_t* man = infoCard(body);
lv_obj_set_flex_align(man, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_style_pad_ver(man, theme::PAD, 0);
lv_obj_set_style_pad_row(man, 6, 0);
siteQr(man);
label(man, siteqr::URL, THEME_FONT_SMALL, theme::TEXT_MUTED);
sectionTitle(body, "CREDITS");
lv_obj_t* cr = infoCard(body);
infoNote(cr, "Map data", creditText((lvport::mountStorage() && mapview::s_provider->available())
@@ -4691,7 +4728,7 @@ void UITask::settingsGroup(int i) {
schemaRow(g, SETTING(units_imperial));
}
listRow(g, LV_SYMBOL_DOWNLOAD " Firmware update", FIRMWARE_VERSION, onOpenOta, NULL);
listRow(g, LV_SYMBOL_LIST " About", "Node, firmware, credits", onOpenSchemaPage, (void*)(uintptr_t)PG_ABOUT);
listRow(g, LV_SYMBOL_LIST " About", "Node, firmware, manual, credits", onOpenSchemaPage, (void*)(uintptr_t)PG_ABOUT);
break;
case 4: