Modified version of the mbed library for use with the Nucleo boards.
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DigitalOut Class Reference
A digital output, used for setting the state of a pin. More...
#include <DigitalOut.h>
Public Member Functions | |
DigitalOut (PinName pin) | |
Create a DigitalOut connected to the specified pin. | |
DigitalOut (PinName pin, int value) | |
Create a DigitalOut connected to the specified pin. | |
void | write (int value) |
Set the output, specified as 0 or 1 (int) | |
int | read () |
Return the output setting, represented as 0 or 1 (int) | |
int | is_connected () |
Return the output setting, represented as 0 or 1 (int) | |
DigitalOut & | operator= (int value) |
A shorthand for write() | |
operator int () | |
A shorthand for read() |
Detailed Description
A digital output, used for setting the state of a pin.
Example:
// Toggle a LED #include "mbed.h" DigitalOut led(LED1); int main() { while(1) { led = !led; wait(0.2); } }
Definition at line 41 of file DigitalOut.h.
Constructor & Destructor Documentation
DigitalOut | ( | PinName | pin ) |
Create a DigitalOut connected to the specified pin.
- Parameters:
-
pin DigitalOut pin to connect to
Definition at line 48 of file DigitalOut.h.
DigitalOut | ( | PinName | pin, |
int | value | ||
) |
Create a DigitalOut connected to the specified pin.
- Parameters:
-
pin DigitalOut pin to connect to value the initial pin value
Definition at line 57 of file DigitalOut.h.
Member Function Documentation
int is_connected | ( | ) |
Return the output setting, represented as 0 or 1 (int)
- Returns:
- Non zero value if pin is connected to uc GPIO 0 if gpio object was initialized with NC
Definition at line 86 of file DigitalOut.h.
operator int | ( | ) |
A shorthand for read()
Definition at line 105 of file DigitalOut.h.
DigitalOut& operator= | ( | int | value ) |
A shorthand for write()
Definition at line 93 of file DigitalOut.h.
int read | ( | ) |
Return the output setting, represented as 0 or 1 (int)
- Returns:
- an integer representing the output setting of the pin, 0 for logical 0, 1 for logical 1
Definition at line 76 of file DigitalOut.h.
void write | ( | int | value ) |
Set the output, specified as 0 or 1 (int)
- Parameters:
-
value An integer specifying the pin output value, 0 for logical 0, 1 (or any other non-zero value) for logical 1
Definition at line 66 of file DigitalOut.h.
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