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DigitalIn Class Reference
[Drivers]
A digital input, used for reading the state of a pin. More...
#include <DigitalIn.h>
Public Member Functions | |
DigitalIn (PinName pin) | |
Create a DigitalIn connected to the specified pin. | |
DigitalIn (PinName pin, PinMode mode) | |
Create a DigitalIn connected to the specified pin. | |
int | read () |
Read the input, represented as 0 or 1 (int) | |
void | mode (PinMode pull) |
Set the input pin mode. | |
int | is_connected () |
Return the output setting, represented as 0 or 1 (int) | |
operator int () | |
An operator shorthand for read() |
Detailed Description
A digital input, used for reading the state of a pin.
Synchronization level: Interrupt safe
Example:
// Flash an LED while a DigitalIn is true #include "mbed.h" DigitalIn enable(p5); DigitalOut led(LED1); int main() { while(1) { if(enable) { led = !led; } wait(0.25); } }
Definition at line 51 of file DigitalIn.h.
Constructor & Destructor Documentation
DigitalIn | ( | PinName | pin ) |
Create a DigitalIn connected to the specified pin.
- Parameters:
-
pin DigitalIn pin to connect to
Definition at line 58 of file DigitalIn.h.
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