A digital input output bus, used for setting the state of a collection of pins. More...
#include <BusInOut.h>
Public Member Functions | |
BusInOut (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 a BusInOut, connected to the specified pins. More... | |
BusInOut (PinName pins[16]) | |
Create a BusInOut, connected to the specified pins. More... | |
void | write (int value) |
Write the value to the output bus. More... | |
int | read () |
Read the value currently output on the bus. More... | |
void | output () |
Set all the pins in bus as output. More... | |
void | input () |
Set all the pins in bus as an input. More... | |
void | mode (PinMode pull) |
Set the input pin mode for all the pins in bus. More... | |
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. More... | |
BusInOut & | operator= (int v) |
A shorthand for write() More... | |
DigitalInOut & | operator[] (int index) |
Access to particular bit in random-iterator fashion. More... | |
operator int () | |
A shorthand for read() More... | |
A digital input output bus, used for setting the state of a collection of pins.
Implemented as an array of DigitalInOut pins, the bus can be constructed by any pins without restriction other than being capable of digital input or output capabilities
Definition at line 38 of file BusInOut.h.
BusInOut | ( | 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 a BusInOut, connected to the specified pins.
p0 | DigitalInOut pin to connect to bus bit |
p1 | DigitalInOut pin to connect to bus bit |
p2 | DigitalInOut pin to connect to bus bit |
p3 | DigitalInOut pin to connect to bus bit |
p4 | DigitalInOut pin to connect to bus bit |
p5 | DigitalInOut pin to connect to bus bit |
p6 | DigitalInOut pin to connect to bus bit |
p7 | DigitalInOut pin to connect to bus bit |
p8 | DigitalInOut pin to connect to bus bit |
p9 | DigitalInOut pin to connect to bus bit |
p10 | DigitalInOut pin to connect to bus bit |
p11 | DigitalInOut pin to connect to bus bit |
p12 | DigitalInOut pin to connect to bus bit |
p13 | DigitalInOut pin to connect to bus bit |
p14 | DigitalInOut pin to connect to bus bit |
p15 | DigitalInOut pin to connect to bus bit |
BusInOut | ( | PinName | pins[16] | ) |
void input | ( | ) |
Set all the pins in bus as an input.
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.
Definition at line 115 of file BusInOut.h.
void mode | ( | PinMode | pull | ) |
Set the input pin mode for all the pins in bus.
pull | PullUp, PullDown, PullNone |
operator int | ( | ) |
A shorthand for read()
BusInOut& operator= | ( | int | v | ) |
A shorthand for write()
DigitalInOut& operator[] | ( | int | index | ) |
Access to particular bit in random-iterator fashion.
index | Bit Position |
void output | ( | ) |
Set all the pins in bus as output.
int read | ( | ) |
Read the value currently output on the bus.
void write | ( | int | value | ) |
Write the value to the output bus.
value | An integer specifying a bit to write for every corresponding DigitalInOut pin |