Diff: KuAQM0802A.h

Revision:

1:39cf7f91a7ba

Parent:

0:414db8b8aaad

--- a/KuAQM0802A.h	Sun Jul 20 14:28:45 2014 +0000
+++ b/KuAQM0802A.h	Wed Aug 13 13:14:21 2014 +0000
@@ -6,7 +6,7 @@
 /**
  * A library for AQM0802A I2C connecting LCD.
  */
-class KuAQM0802A {
+class KuAQM0802A : public Stream {
 private:
     I2C &i2c;
 
@@ -36,10 +36,10 @@
     void locate(unsigned int x, unsigned int y);
 
     /**
-     * Print a string
-     * @param str A character string to print
+     * Print a character
+     * @param character A character to print
      */
-    void print(const char *str);
+    void print_char(const int character);
 
     /**
      * Change LCD contrast
@@ -47,6 +47,10 @@
      */
     void set_contrast(unsigned int contrast);
 
+    // for Stream implementation
+    virtual int _putc(int value) { print_char(value); return 1; };
+    virtual int _getc() { return -1; };
+    
 private:
     void send_cmd(char cmd);