Version 1.5.0

README.md

@@ -3,13 +3,15 @@
 Overview
 --------------------------------------------
 * Name: TM1638plus
-* Description: An Arduino library to display data on a 8-digit TM1638 seven segment module.
+* Description: 
+An Arduino library to display data on a 8-digit TM1638 seven segment module.
 This library supports the (8 KEY & 8 LED) variant which has 8 LED's and 8 Push buttons,
 and the (16 KEY QFY) variant which has 16 pushbuttons.
-* Author: Gavin Lyons.
+* Main Author: Gavin Lyons.
 * Development platform: Tested on Arduino UNO,NANO and a Nodemcu ESP8266 ESP-12E module.
 * History: see CHANGELOG.md in extra folder
-
+* Contributors: [gabormay](https://github.com/gabormay)  
+
 Table of contents
 ---------------------------
 
@@ -166,6 +168,20 @@ Object, set the fourth parameter "swap_nibbles" to True, The default is false.
 | QYF-TM1638 -Ver 1.0 | Swapped display Fix | TM1638plus_Model2 tm(STROBE_TM, CLOCK_TM , DIO_TM, true)  | 
 
 
+*NOTE B* :  high frequency micro-controllers.
+This library uses "bit banging" on the SPI Bus and may not work fully on 
+micro-controllers running at a very high frequency, without some adjustments to timing.
+See issue 1 & 2 in github issues section for ESP32 untested possible fix.
+The ESP32 and Teensy results have been sent to me, I don't have them at time of writing.
+
+| IC |  frequency | Working? |
+| ------ | ------ | ------ | 
+| ESP 32  |   240 MHz  | Issues with buttons function Model 1 |
+| ESP-12E ESP8266 | 80 and 160 MHZ  | The buttons functions works, once not polled continuously |
+| Teensy 4.0| 150Mhz | Working, model 1 | 
+| Teensy 4.0| 396Mhz | buttons not working , display issues , model 1  | 
+
+
 Memory
 -------------------------------
 

examples/TM1638plus_TEST/TM1638plus_TEST.ino

@@ -15,8 +15,10 @@
   TEST 7 Integer Decimal number
   TEST 8 Text String + Float
   TEST 9 Text String + decimal number
-  TEST 10 Scrolling text
-  TEST 11 Buttons + LEDS
+  TEST 10 Multiple dots
+  TEST 11 Display Overflow
+  TEST 12 Scrolling text
+  TEST 13 Buttons + LEDS
 
   Author: Gavin Lyons.
   Created May 2019
@@ -64,8 +66,10 @@ void loop()
     case 7: Test7(); break; // Integer Decimal number
     case 8: Test8(); break; // Text String + Float hack
     case 9: Test9(); break; // Text String + decimal number
-    case 10: Test10(); break; // Scrolling text
-    case 11: Test11(); break; // Buttons + LEDS
+    case 10: Test10(); break; // Multiple Decimal points
+    case 11: Test11(); break; // Display Overflow
+    case 12: Test12(); break; // Scrolling text
+    case 13: Test13(); break; // Buttons + LEDS
   }
   testcount++;
 }
@@ -195,8 +199,26 @@ void Test9() {
   tm.reset();
 }
 
-//TEST 10 scrolling text, just one possible method using string object.
-void Test10() {
+void Test10()
+{
+  //TEST 10 Multiple dots test
+  tm.displayText("Hello...");
+  delay(myTestDelay);
+  tm.displayText("...---..."); //SOS in morse
+  delay(myTestDelay);
+}
+
+void Test11()
+{
+  //TEST11 user overflow
+  tm.displayText("1234567890abc"); //should display just 12345678
+  delay(myTestDelay);
+  tm.reset();
+}
+
+
+void Test12() {
+  //TEST 12 scrolling text, just one possible method using string object.
   String textScroll = "123456789AbCdEF" ;
   char charbuf[9];
   while (textScroll.length() > 0)
@@ -210,9 +232,9 @@ void Test10() {
   }
 }
 
-//Test 11 buttons and LED test, press switch number S-X to turn on LED-X, where x is 1-8.
-//The HEx value of switch is also sent to Serial port.
-void Test11() {
+void Test13() {
+  //Test 13 buttons and LED test, press switch number S-X to turn on LED-X, where x is 1-8.
+  //The HEx value of switch is also sent to Serial port.
   while (1) // Loop here forever
   {
     tm.displayText("buttons ");

extra/CHANGELOG.md

@@ -33,3 +33,8 @@
 	* Two new example files added.
 	* Tested on Nodemcu ESP-12E ESP2866 , it works.
 
+* Version 1.5.0 May 2020
+	* Minor update to bring in pull request 7 to deal with github issues 6 and 7.
+	* Display overflow check and dealing with multiple dots. 
+	* Changes are for Model 1 only and "displayText" function only.
+	* Pull request by [gabormay](https://github.com/gabormay)

library.properties

@@ -1,5 +1,5 @@
 name=TM1638plus
-version=1.4.0
+version=1.5.0
 author=Gavin Lyons <glyons66@hotmail.com>
 maintainer=Gavin Lyons <glyons66@hotmail.com>
 sentence=TM1638plus is an Arduino library to control TM1638 seven segment modules.