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Dependents: TYBLE16_simple_data_logger TYBLE16_MP3_Air
PortIn Class Reference
[PortIn class]
A multiple pin digital input. More...
#include <PortIn.h>
Public Member Functions | |
| PortIn (PortName port, int mask=0xFFFFFFFF) | |
| Create a PortIn, connected to the specified port. | |
| int | read () |
| Read the value input to the port. | |
| void | mode (PinMode mode) |
| Set the input pin mode. | |
| operator int () | |
| A shorthand for read() | |
Detailed Description
A multiple pin digital input.
- Note:
- Synchronization level: Interrupt safe
Example:
// Turn on an LED if any pins of Port2[0:5] are high #include "mbed.h" PortIn p(Port2, 0x0000003F); // Port2 pins [0:5] only DigitalOut led(LED4); int main() { while(1) { int pins = p.read(); if(pins) { led = 1; } else { led = 0; } } }
Definition at line 58 of file PortIn.h.
Constructor & Destructor Documentation
| PortIn | ( | PortName | port, |
| int | mask = 0xFFFFFFFF |
||
| ) |
Create a PortIn, connected to the specified port.
- Parameters:
-
port Port to connect to (as defined in target's PortNames.h) mask Bitmask defines which port pins should be an input (0 - ignore, 1 - include)
Definition at line 27 of file PortIn.cpp.
Member Function Documentation
| void mode | ( | PinMode | mode ) |
Set the input pin mode.
- Parameters:
-
mode PullUp, PullDown, PullNone, OpenDrain
Definition at line 34 of file PortIn.cpp.
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