Libreria TExtLCD
Dependents: PID_Encoder PID_Encoder PID_Encoder_gw_Final Tarea_7_PID-PWM ... more
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TextLCD Class Reference
A TextLCD interface for driving 4-bit HD44780-based LCDs. More...
#include <TextLCD.h>
Public Types | |
enum | LCDType { LCD16x2, LCD16x2B, LCD20x2, LCD20x4 } |
LCD panel format. More... | |
Public Member Functions | |
TextLCD (PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type=LCD16x2) | |
Create a TextLCD interface. | |
int | putc (int c) |
Write a character to the LCD. | |
int | printf (const char *format,...) |
Write a formated string to the LCD. | |
void | locate (int column, int row) |
Locate to a screen column and row. | |
void | cls () |
Clear the screen and locate to 0,0. |
Detailed Description
A TextLCD interface for driving 4-bit HD44780-based LCDs.
Currently supports 16x2, 20x2 and 20x4 panels
#include "mbed.h" #include "TextLCD.h" TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3 int main() { lcd.printf("Hello World!\n"); }
Definition at line 43 of file TextLCD.h.
Member Enumeration Documentation
enum LCDType |
Constructor & Destructor Documentation
TextLCD | ( | PinName | rs, |
PinName | e, | ||
PinName | d0, | ||
PinName | d1, | ||
PinName | d2, | ||
PinName | d3, | ||
LCDType | type = LCD16x2 |
||
) |
Create a TextLCD interface.
- Parameters:
-
rs Instruction/data control line e Enable line (clock) d0-d3 Data lines type Sets the panel size/addressing mode (default = LCD16x2)
Definition at line 26 of file TextLCD.cpp.
Member Function Documentation
void cls | ( | ) |
Clear the screen and locate to 0,0.
Definition at line 56 of file TextLCD.cpp.
void locate | ( | int | column, |
int | row | ||
) |
Locate to a screen column and row.
- Parameters:
-
column The horizontal position from the left, indexed from 0 row The vertical position from the top, indexed from 0
Definition at line 62 of file TextLCD.cpp.
int printf | ( | const char * | format, |
... | |||
) |
Write a formated string to the LCD.
- Parameters:
-
format A printf-style format string, followed by the variables to use in formating the string.
int putc | ( | int | c ) |
Write a character to the LCD.
- Parameters:
-
c The character to write to the display
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