fix(sos): e-ink status view refreshes every 15 s and shows minutes, not a second-by-second count

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

examples/companion_radio/ui-core/SosEngine.h

@@ -78,10 +78,11 @@ public:
     if (_sent) snprintf(out, n, "Sent %u x", (unsigned)_sent);
     else       snprintf(out, n, "Not sent");
   }
-  void nextLine(char* out, int n, uint32_t now) const {
+  // `minutes` for a slow panel, where a line ticking every second is a refresh a second.
+  void nextLine(char* out, int n, uint32_t now, bool minutes = false) const {
     const int next = nextSecs(now);
     if (next < 0)       snprintf(out, n, "No more repeats");
-    else if (next < 60) snprintf(out, n, "Next in %d s", next);
+    else if (next < 60) snprintf(out, n, minutes ? "Next in <1 min" : "Next in %d s", next);
     else                snprintf(out, n, "Next in %d min", (next + 59) / 60);
   }
 

examples/companion_radio/ui-new/SosScreen.h

@@ -207,10 +207,13 @@ public:
   }
 
   // The countdown, then what has been sent and who answered. Returns the delay
-  // to the next frame.
+  // to the next frame. On e-ink only the countdown ticks: a send or an answer
+  // redraws the view anyway (UITask::openSosView).
   int renderStatus(DisplayDriver& d) {
     SosEngine& s = _task->core().sos;
     const uint32_t now = millis();
+    const bool eink = d.isEink();
+    const int status_ms = eink ? 15000 : 1000;
     const int cx = d.width() / 2;
     const int foot = d.height() - d.getLineHeight() - 1;
     char buf[40];
@@ -244,16 +247,16 @@ public:
       }
       if (mins) { snprintf(buf, sizeof(buf), "%u min ago", (unsigned)mins); d.drawTextCentered(cx, y, buf); }
       d.drawTextCentered(cx, foot, "Hold Enter: end");
-      return 1000;
+      return status_ms;
     }
     s.sentLine(buf, sizeof(buf));
     d.drawTextCentered(cx, y, buf);
     y += d.lineStep();
-    s.nextLine(buf, sizeof(buf), now);
+    s.nextLine(buf, sizeof(buf), now, eink);
     d.drawTextCentered(cx, y, buf);
     int32_t lat, lon;
     if (!_task->currentLocation(lat, lon)) d.drawTextCentered(cx, y + d.lineStep(), "No GPS fix");
     d.drawTextCentered(cx, foot, "Hold Enter: stop");
-    return 1000;
+    return status_ms;
   }
 };

test/test_sos_engine/test_sos_engine.cpp

@@ -367,6 +367,10 @@ TEST_F(Sos, TheStatusLines) {
   EXPECT_STREQ(b, "Next in 5 min");
   sos.nextLine(b, sizeof(b), now + 5UL * 60000UL - 30000UL);
   EXPECT_STREQ(b, "Next in 30 s");
+  sos.nextLine(b, sizeof(b), now + 5UL * 60000UL - 30000UL, true);
+  EXPECT_STREQ(b, "Next in <1 min");
+  sos.nextLine(b, sizeof(b), now, true);
+  EXPECT_STREQ(b, "Next in 5 min");
   prefs.sos_repeat_idx = 0;
   sos.markSent(now, true, true);
   sos.nextLine(b, sizeof(b), now);