Updated ledtest to have the latest library, and an experimental K

Author: dplassgit

ledtest/LEDDisplayDriver.cpp

@@ -428,7 +428,14 @@ void LEDDisplayDriver::showText(const char *msg, byte first, byte count) {
 
 #ifdef _INCLUDE_SCROLLING_TEXT_
 void LEDDisplayDriver::showTextScroll(const char *msg, byte first, byte count) {
-  for (byte i = 0; i <= strlen(msg) - count; i++) {
+  byte end;
+  if (count >= strlen(msg)) {
+    end = 0;  
+  } else {
+    end = strlen(msg) - count;
+  }
+
+  for (byte i = 0; i <= end; i++) {
     showText(msg + i, first, count);
     if (!autoUpdate) update();
     delay(scrollDelay);

ledtest/LEDDisplayDriver.h

@@ -46,7 +46,7 @@
 //#define _USE_TIMER4_   // Supported on Mega2560 & Mega32U4
 //#define _USE_TIMER5_   // Supported on Mega2560
 
-#define MAX_DIGITS 8    // Used to reserve frame buffer
+#define MAX_DIGITS 16    // Used to reserve frame buffer
 
 // Limits how fast the pins change state
 // Using 10 gives slow and stable signals, 1 is the fastest with any delay and 0 is crazy fast when _FAST_CLOCK_ is enabled
@@ -89,7 +89,7 @@
 
 // Display types that needs a 3. pin, i.e. load
 // The condition is reversed because most displays use 3 pins
-#if !(defined(_TM1637_) || defined(_TM1637_6DX_) || defined(_TM1637_COLON_)|| defined(_HC164_) || defined(_HT16K33_8D_) || defined(_HT16K33_14SEG_8D_) || defined(_HT16K33_14SEG_8D_) || defined(_HT16K33_4D_))
+#if !(defined(_TM1637_) || defined(_TM1637_6DX_) || defined(_TM1637_COLON_)|| defined(_HC164_) || defined(_HT16K33_8D_) || defined(_HT16K33_14SEG_8D_) || defined(_HT16K33_14SEG_4D_) || defined(_HT16K33_4D_))
 #define _DATA_BIDIRECTIONAL_
 #define _USE_LOAD_
 #endif
@@ -869,7 +869,7 @@ const DIGIT_TYPE digitG = SEG_A | SEG_C | SEG_D | SEG_E | SEG_F  | SEG_H;
 const DIGIT_TYPE digitH = SEG_B | SEG_C | SEG_E | SEG_F | SEG_G  | SEG_H;
 const DIGIT_TYPE digitI = SEG_A | SEG_D | SEG_L | SEG_O;
 const DIGIT_TYPE digitJ = SEG_B | SEG_C | SEG_D | SEG_E;
-const DIGIT_TYPE digitK = SEG_E | SEG_F | SEG_G | SEG_M | SEG_P;
+const DIGIT_TYPE digitK = SEG_E | SEG_F | SEG_G | SEG_M | SEG_H | SEG_C;
 const DIGIT_TYPE digitL = SEG_D | SEG_E | SEG_F;
 const DIGIT_TYPE digitM = SEG_B | SEG_C | SEG_E | SEG_F | SEG_K | SEG_M;
 const DIGIT_TYPE digitN = SEG_B | SEG_C | SEG_E | SEG_F | SEG_K | SEG_P;

ledtest/ledtest.ino

@@ -3,7 +3,7 @@
 
 // Manual for library: http://lygte-info.dk/project/DisplayDriver%20UK.html
 
-const byte numberOfDigits = 12;
+const byte numberOfDigits = 16;
 const byte dataPin = A4;
 const byte clockPin = A5;
 const byte loadPin = A2;
@@ -13,30 +13,30 @@ LEDDisplayDriver display(dataPin, clockPin, loadPin);
 void setup() {
   Serial.begin(9600);
   Serial.println("Hello ledtest");
-//
-//  for (int i = 0; i < 255; ++i) {
-//    if (!isprint(i)) continue;
-//    display.showChar(i % 4, i);
-//    delay(200);
-//  }
-// // display.showDigit(SEG_A | SEG_B | SEG_H | SEG_G | SEG_F, 0);
-//  delay(5000);
+  //
+  //  for (int i = 0; i < 255; ++i) {
+  //    if (!isprint(i)) continue;
+  //    display.showChar(i % 4, i);
+  //    delay(200);
+  //  }
+  // // display.showDigit(SEG_A | SEG_B | SEG_H | SEG_G | SEG_F, 0);
+  //  delay(5000);
   display.showTextScroll("Tell me something");
 }
 
 
-char displayBuffer[4] = {' ', ' ', ' ', ' '};
+char displayBuffer[16] = {' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '};
 
 void loop() {
   char c = Serial.read();
   if (! isprint(c)) return; // only printable!
 
   // scroll down display
-  for (int i = 0; i < 3; ++i) {
+  for (int i = 0; i < 15; ++i) {
     displayBuffer[i] = displayBuffer[i + 1];
   }
-  displayBuffer[3] = c;
-  for (int i = 0 ; i < 4; ++i) {
+  displayBuffer[15] = c;
+  for (int i = 0 ; i < 16; ++i) {
     display.showChar(i, displayBuffer[i]);
   }
   delay(200);