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BusOut Class Reference
A digital output bus, used for setting the state of a collection of pins. More...
#include <BusOut.h>
Public Member Functions | |
BusOut (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 BusOut, connected to the specified pins. | |
void | write (int value) |
Write the value to the output bus. | |
int | read () |
Read the value currently output on the bus. | |
BusOut & | operator= (int v) |
A shorthand for write() | |
operator int () | |
A shorthand for read() |
Detailed Description
A digital output bus, used for setting the state of a collection of pins.
Definition at line 25 of file BusOut.h.
Constructor & Destructor Documentation
BusOut | ( | 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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) |
Create an BusOut, connected to the specified pins.
- Parameters:
-
p<n> DigitalOut pin to connect to bus bit <n> (p5-p30, NC)
- Note:
- It is only required to specify as many pin variables as is required for the bus; the rest will default to NC (not connected)
Member Function Documentation
operator int | ( | ) |
A shorthand for read()
int read | ( | ) |
Read the value currently output on the bus.
- Returns:
- An integer with each bit corresponding to associated DigitalOut pin setting
void write | ( | int | value ) |
Write the value to the output bus.
- Parameters:
-
value An integer specifying a bit to write for every corresponding DigitalOut pin
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