button to force screen reset

html_orig/_pages.php

@@ -41,6 +41,8 @@ pg('help',  'cfg page-help',  'help', '/help');
 pg('about', 'cfg page-about', 'about', '/about');
 pg('term',  'term',           '', '/', 'title.term');
 
+pg('reset_screen',  'api',     '', '/system/cls', 'title.term');
+
 // ajax API
 
 return $pages;

html_orig/lang/en.php

@@ -40,6 +40,7 @@ return [
 
 	'term.example' => 'Default colors preview',
 
+	'term.reset_screen' => 'Reset screen & parser',
 	'term.term_title' => 'Header text',
 	'term.term_width' => 'Width / height',
 	'term.default_fg_bg' => 'Text / background',

html_orig/pages/cfg_term.php

@@ -1,3 +1,7 @@
+<div class="Box">
+	<a href="<?= e(url('reset_screen')) ?>"><?= tr('term.reset_screen') ?></a>
+</div>
+
 <form class="Box mobopen str" action="<?= e(url('term_set')) ?>" method="GET" id='form-1'>
 	<h2><?= tr('term.defaults') ?></h2>
 

user/ansi_parser.c

@@ -51,7 +51,7 @@ ansi_parser_reset(void) {
 		cs = ansi_start;
 		inside_string = false;
 		apars_reset_utf8buffer();
-		ansi_warn("Parser timeout, state reset");
+		ansi_warn("Parser state reset (timeout?)");
 	}
 }
 

user/ansi_parser.rl

@@ -26,7 +26,7 @@ ansi_parser_reset(void) {
 		cs = ansi_start;
 		inside_string = false;
 		apars_reset_utf8buffer();
-		ansi_warn("Parser timeout, state reset");
+		ansi_warn("Parser state reset (timeout?)");
 	}
 }
 

user/cgi_system.c

@@ -7,6 +7,7 @@
 #include "persist.h"
 #include "syscfg.h"
 #include "uart_driver.h"
+#include "ansi_parser.h"
 
 #define SET_REDIR_SUC "/cfg/system"
 #define SET_REDIR_ERR SET_REDIR_SUC"?err="
@@ -18,6 +19,22 @@ static void ICACHE_FLASH_ATTR tmrCb(void *arg)
 	system_restart();
 }
 
+httpd_cgi_state ICACHE_FLASH_ATTR cgiResetScreen(HttpdConnData *connData)
+{
+	if (connData->conn==NULL) {
+		//Connection aborted. Clean up.
+		return HTTPD_CGI_DONE;
+	}
+
+	info("--- User request to reset screen! ---");
+	// this copies termconf to scratch and also resets the screen
+	terminal_apply_settings();
+	ansi_parser_reset();
+
+	httpdRedirect(connData, "/");
+	return HTTPD_CGI_DONE;
+}
+
 httpd_cgi_state ICACHE_FLASH_ATTR cgiResetDevice(HttpdConnData *connData)
 {
 	if (connData->conn==NULL) {

user/cgi_system.h

@@ -8,5 +8,6 @@ httpd_cgi_state cgiPing(HttpdConnData *connData);
 httpd_cgi_state cgiResetDevice(HttpdConnData *connData);
 httpd_cgi_state cgiSystemCfgSetParams(HttpdConnData *connData);
 httpd_cgi_state tplSystemCfg(HttpdConnData *connData, char *token, void **arg);
+httpd_cgi_state cgiResetScreen(HttpdConnData *connData);
 
 #endif // CGI_PING_H

user/routes.c

@@ -38,6 +38,7 @@ HttpdBuiltInUrl routes[] = {
 	// --- System control ---
 	ROUTE_CGI("/system/reset/?", cgiResetDevice),
 	ROUTE_CGI("/system/ping/?", cgiPing),
+	ROUTE_CGI("/system/cls/?", cgiResetScreen),
 
 	// --- WiFi config --- (TODO make this conditional and configurable)
 #if WIFI_PROTECT