Added Turn 90° clockwise rotation mode on/off

README.md

@@ -81,8 +81,8 @@ printer.printRow([
 * Print images
 * Print barcodes
 * Print QR codes
-* Turn 90° clockwise rotation mode on/off
+* ~~Turn 90° clockwise rotation mode on/off~~
 * Flutter example: print a demo receipt
-* Flutter example: discover active Wi-Fi printers
+* ~~Flutter example: discover active Wi-Fi printers~~
 * USB, Bluetooth printers support
 * *Add encoding commands*
\ No newline at end of file

lib/src/commands.dart

@@ -29,6 +29,9 @@ const cBoldOn = '${esc}E1'; // Turn emphasized mode on
 const cBoldOff = '${esc}E0'; // Turn emphasized mode off
 const cFontA = '${esc}M0'; // Font A
 const cFontB = '${esc}M1'; // Font B
+const cTurn90On = '${esc}V1'; // Turn 90° clockwise rotation mode on
+const cTurn90Off = '${esc}V0'; // Turn 90° clockwise rotation mode off
+const cCodeTable = '${esc}t'; // Select character code table [N]
 
 // Print Position
 const cAlignLeft = '${esc}a0'; // Left justification
@@ -39,6 +42,3 @@ const cPos = '$esc\$'; // Set absolute print position [nL] [nH]
 // Print
 const cFeedN = '${esc}d'; // Print and feed n lines [N]
 const cReverseFeedN = '${esc}e'; // Print and reverse feed n lines [N]
-
-// Code table
-const cCodeTable = '${esc}t'; // Select character code table [N]
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lib/src/pos_styles.dart

@@ -14,6 +14,7 @@ class PosStyles {
     this.bold = false,
     this.reverse = false,
     this.underline = false,
+    this.turn90 = false,
     this.align = PosTextAlign.left,
     this.height = PosTextSize.size1,
     this.width = PosTextSize.size1,
@@ -23,6 +24,7 @@ class PosStyles {
   final bool bold;
   final bool reverse;
   final bool underline;
+  final bool turn90;
   final PosTextAlign align;
   final PosTextSize height;
   final PosTextSize width;

lib/src/printer.dart

@@ -66,6 +66,7 @@ class Printer {
     // print('dec: $pos \t hex: $hexStr \t pair $hexPair');
 
     _socket.write(styles.bold ? cBoldOn : cBoldOff);
+    _socket.write(styles.turn90 ? cTurn90On : cTurn90Off);
     _socket.write(styles.reverse ? cReverseOn : cReverseOff);
     _socket.write(styles.underline ? cUnderline1dot : cUnderlineOff);
     _socket.write(styles.align == PosTextAlign.left