initial version 0.1.0

libraries/PrintSize/PrintSize.h

@@ -0,0 +1,28 @@
+//
+//    FILE: PrintSize.h
+//  AUTHOR: Rob Tillaart
+// VERSION: 0.1.0
+// PURPOSE: Class that determines printSize
+//    DATE: 2017-12-09
+//     URL:
+// HISTORY: 0.1.0   2017-12-09 initial version
+//
+// Released to the public domain
+//
+
+#ifndef PrintSize_h
+#define PrintSize_h
+
+#include "Print.h"
+
+#define PRINTSIZE_VERSION "0.1.0"
+
+class PrintSize: public Print
+{
+public:
+  PrintSize() {};
+
+  size_t write(uint8_t c) { return 1; }
+};
+#endif
+// -- END OF FILE --

libraries/PrintSize/examples/PrintSize1/PrintSize1.ino

@@ -0,0 +1,53 @@
+//
+//    FILE: PrintSize1.ino
+//  AUTHOR: Rob Tillaart
+// VERSION: 0.1.0
+// PURPOSE: demo printSize
+//
+// HISTORY:
+// 0.1.0   2017-12-09 initial version
+//
+
+#include "PrintSize.h"
+
+PrintSize ps;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+
+  Serial.println("Determine length of 10 random numbers and right ");
+  Serial.println("align the numbers in a table with their sum.");
+  Serial.println();
+
+  uint32_t sum = 0;
+  for (int i = 0; i < 10; i++)
+  {
+    uint32_t rn = random(100000000);
+    int length = ps.println(rn);
+    printSpaces(15 - length);
+    sum += rn;
+    Serial.println(rn);
+  }
+  Serial.print("================ +\n");
+  int length = ps.println(sum);
+  printSpaces(15 - length);
+  Serial.println(sum);
+}
+
+void loop()
+{
+
+}
+
+void printSpaces(int n)
+{
+  if (n <= 0) return;
+  while (n)
+  {
+    Serial.print(' ');
+    n--;
+  }
+}
+

libraries/PrintSize/library.json

@@ -0,0 +1,23 @@
+{
+  "name": "PrintSize",
+  "keywords": "Size print ",
+  "description": "Library to determine size of a printed variable.",
+  "authors":
+  [
+    {
+      "name": "Rob Tillaart",
+      "email": "Rob.Tillaart@gmail.com",
+      "maintainer": true
+    }
+  ],
+  "repository":
+  {
+    "type": "git",
+    "url": "https://github.com/RobTillaart/Arduino.git"
+  },
+  "frameworks": "arduino",
+  "platforms": "*",
+  "export": {
+    "include": "libraries/PrintSize"
+  }
+}

libraries/PrintSize/library.properties

@@ -0,0 +1,10 @@
+name=PrintSize
+version=0.1.0
+author=Rob Tillaart <rob.tillaart@gmail.com>
+maintainer=Rob Tillaart <rob.tillaart@gmail.com>
+sentence=Library to determine size of a printed variable.
+paragraph= 
+category=Data Processing
+url=https://github.com/RobTillaart/Arduino/tree/master/libraries
+architectures=*
+