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Fix web UI white screen: restore send_P with strict cache-busting headers

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Made-with: Cursor
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drjones
2026-04-03 09:49:00 -07:00
parent 4d5429f990
commit 8cc5da52dc
1 changed files with 8 additions and 12 deletions
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20
src/main.cpp
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@@ -2240,18 +2240,14 @@ window.addEventListener('resize',capDrawWave);
)HTML"; )HTML";
static void handleRoot() { static void handleRoot() {
server.setContentLength(CONTENT_LENGTH_UNKNOWN); // Prevent browser caching so it always fetches the full page
server.send(200, "text/html; charset=utf-8", ""); server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
const size_t total = sizeof(kHtml) - 1; server.sendHeader("Pragma", "no-cache");
size_t off = 0; server.sendHeader("Expires", "0");
while (off < total) {
size_t n = total - off; // Send directly from flash. WebServer::send_P handles Content-Length and TCP chunking
if (n > 512) n = 512; // internally without allocating a 15 KB String on the heap.
server.sendContent_P(kHtml + off, n); server.send_P(200, "text/html; charset=utf-8", kHtml, sizeof(kHtml) - 1);
off += n;
yield();
}
server.sendContent("");
} }
static void handleLog() { static void handleLog() {