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BusIn Class Reference
A digital input bus, used for reading the state of a collection of pins. More...
#include <BusIn.h>
Public Member Functions | |
BusIn (PinName p0, PinName p1=NC, PinName p2=NC, PinName p3=NC, PinName p4=NC, PinName p5=NC, PinName p6=NC, PinName p7=NC, PinName p8=NC, PinName p9=NC, PinName p10=NC, PinName p11=NC, PinName p12=NC, PinName p13=NC, PinName p14=NC, PinName p15=NC) | |
Create an BusIn, connected to the specified pins. | |
int | read () |
Read the value of the input bus. | |
void | mode (PinMode pull) |
Set the input pin mode. | |
int | mask () |
Binary mask of bus pins connected to actual pins (not NC pins) If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1. | |
operator int () | |
A shorthand for read() | |
DigitalIn & | operator[] (int index) |
Access to particular bit in random-iterator fashion. | |
Protected Attributes | |
int | _nc_mask |
Mask of bus's NC pins If bit[n] is set to 1 - pin is connected if bit[n] is cleared - pin is not connected (NC) |
Detailed Description
A digital input bus, used for reading the state of a collection of pins.
Definition at line 26 of file BusIn.h.
Constructor & Destructor Documentation
BusIn | ( | PinName | p0, |
PinName | p1 = NC , |
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PinName | p2 = NC , |
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PinName | p3 = NC , |
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PinName | p4 = NC , |
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PinName | p5 = NC , |
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PinName | p6 = NC , |
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PinName | p7 = NC , |
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PinName | p8 = NC , |
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PinName | p9 = NC , |
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PinName | p10 = NC , |
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PinName | p11 = NC , |
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PinName | p12 = NC , |
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PinName | p13 = NC , |
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PinName | p14 = NC , |
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PinName | p15 = NC |
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) |
Member Function Documentation
int mask | ( | ) |
void mode | ( | PinMode | pull ) |
DigitalIn & operator[] | ( | int | index ) |
int read | ( | ) |
Field Documentation
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