From bc16b345253989cfc72994f7b62a8ab5e337f6b2 Mon Sep 17 00:00:00 2001
From: JbLb <jerome@jblb.net>
Date: Tue, 19 Dec 2017 09:55:42 +0100
Subject: [PATCH] new function for displaying text

---
 LibreMetric.ino | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/LibreMetric.ino b/LibreMetric.ino
index d442305..c3096d9 100644
--- a/LibreMetric.ino
+++ b/LibreMetric.ino
@@ -59,7 +59,7 @@ void setup() {
     matrix.setRotation(i, 1);
   }
 
-  display_message("Wifi");
+  display_static_message("Wifi");
 
   WiFiManager wifiManager;
 #ifndef DEBUG_WifiM
@@ -68,6 +68,7 @@ void setup() {
   wifiManager.setTimeout(180);
   if(!wifiManager.autoConnect("LibreMetric")) {
     DEBUG_PRINTLN(F("failed to connect and timeout occurred"));
+    display_static_message("No OK");
     delay(6000);
     ESP.reset(); //reset and try again
     delay(180000);
@@ -75,6 +76,8 @@ void setup() {
   matrix.fillScreen(LOW);
   // At this stage the WiFi manager will have successfully connected to a network, or if not will try again in 180-seconds
   DEBUG_PRINTLN(F("WiFi connected..."));
+  display_static_message("OK");
+  delay(10*wait);
   DEBUG_PRINTLN(WiFi.localIP());
   configTime(timezone * 3600, dstOffset * 3600, ntpServer); // First sync of time with (S)NTP
 
@@ -83,7 +86,7 @@ void setup() {
   telnetServer.begin();
   telnetServer.setNoDelay(true);
 #endif
-  
+
 //----------------------------------------------------------------------
   server.begin();
   DEBUG_PRINTLN(F("Webserver started..."));
@@ -133,7 +136,17 @@ void loop() {
   yield();
 }
 void display_static_message(String message){
-  
+	if (width * message.length() - spacer > matrix.width()) {
+	display_message(message);
+	}
+	else {
+		int x = (matrix.width()-(width * message.length() - spacer))/2;
+		int y = (matrix.height() - 8) / 2; // center the text vertically
+		for ( int i =0; i < message.length(); i++ ){
+			matrix.drawChar(x + (i * width), y, message[i], HIGH, LOW, 1);  // HIGH LOW means foreground ON, background OFF, reverse these to invert the display!
+		}
+		matrix.write(); // Send bitmap to display
+	}
 }
 void display_message(String message){
    for ( int i = 0 ; i < width * message.length() + matrix.width() - spacer; i++ ) {