Dai Yokota
Using std::ostream with TextLCD
Dependencies: ACM1602NI TextLCD
Dependents: TextLCD_ostream_sample
This is class library inherited std::ostream for TextLCD
Because a large amount of memory is needed, do not work in low memory MPU
Sample program is here. And notebook page is here (sorry notebook page is only in Japanese)
Revision 4:3a1291526e04, committed 2016-06-26
- Comitter:
- jk1lot
- Date:
- Sun Jun 26 08:32:25 2016 +0000
- Parent:
- 3:183bcab4951b
- Child:
- 5:6c1109b4dfb8
- Commit message:
- add lcd(); add library TextLCD
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Sun Jun 26 08:32:25 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/wim/code/TextLCD/#111ca62e8a59
--- a/TextLCD_ostream.cpp Wed Jun 22 08:28:51 2016 +0000
+++ b/TextLCD_ostream.cpp Sun Jun 26 08:32:25 2016 +0000
@@ -8,12 +8,12 @@
lcd_ostream& lcd_ostream::locate(int column, int row)
{
- lcd->locate(column,row);
+ lcdp->locate(column,row);
return *this;
}
lcd_ostream& lcd_ostream::cls()
{
- lcd->cls();
+ lcdp->cls();
return *this;
}
--- a/TextLCD_ostream.h Wed Jun 22 08:28:51 2016 +0000
+++ b/TextLCD_ostream.h Sun Jun 26 08:32:25 2016 +0000
@@ -2,14 +2,12 @@
#define TEXTLCD_OSTREAM_H
#include "TextLCD.h"
-#include<iostream>
+#include <iostream>
#include <streambuf>
class lcd_streambuf : public std::streambuf {
public:
lcd_streambuf(TextLCD_Base *p) : lcd(p) {}
- TextLCD_Base *getlcd() {return lcd;}
-
virtual int_type overflow( int_type c = EOF );
private:
TextLCD_Base *lcd;
@@ -35,16 +33,18 @@
public:
/// @param p pointer to object of TextLCD_Base and derived from it
lcd_ostream(TextLCD_Base *p)
- : std::ostream(&lcd_buf),lcd(p),lcd_buf(p) {}
+ : std::ostream(&lcd_buf),lcdp(p),lcd_buf(p) {}
+ /// access TextLCD object
+ TextLCD_Base& lcd() {return *lcdp;}
+ //TextLCD_Base& operator*() const {return *lcd;}
/// set cursor position.
/// same as TextLCD::locate(), except return value type
lcd_ostream& locate(int column, int row);
/// clear screen
/// same as TextLCD::cls(), except return value type
lcd_ostream& cls();
-protected:
- TextLCD_Base *lcd;
private:
+ TextLCD_Base* const lcdp;
lcd_streambuf lcd_buf;
};
#endif
\ No newline at end of file