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Mbed OS Reference
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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. More... | |
BusOut (PinName pins[16]) | |
Create an BusOut, 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... | |
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... | |
BusOut & | operator= (int v) |
A shorthand for write() More... | |
DigitalOut & | operator[] (int index) |
Access to particular bit in random-iterator fashion. More... | |
operator int () | |
A shorthand for read() More... | |
A digital output bus, used for setting the state of a collection of pins.
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.
p0 | DigitalOut pin to connect to bus bit |
p1 | DigitalOut pin to connect to bus bit |
p2 | DigitalOut pin to connect to bus bit |
p3 | DigitalOut pin to connect to bus bit |
p4 | DigitalOut pin to connect to bus bit |
p5 | DigitalOut pin to connect to bus bit |
p6 | DigitalOut pin to connect to bus bit |
p7 | DigitalOut pin to connect to bus bit |
p8 | DigitalOut pin to connect to bus bit |
p9 | DigitalOut pin to connect to bus bit |
p10 | DigitalOut pin to connect to bus bit |
p11 | DigitalOut pin to connect to bus bit |
p12 | DigitalOut pin to connect to bus bit |
p13 | DigitalOut pin to connect to bus bit |
p14 | DigitalOut pin to connect to bus bit |
p15 | DigitalOut pin to connect to bus bit |
BusOut | ( | PinName | pins[16] | ) |
Create an BusOut, connected to the specified pins.
pins | An array of pins to connect to bus the bit |
void write | ( | int | value | ) |
Write the value to the output bus.
value | An integer specifying a bit to write for every corresponding DigitalOut pin |
int read | ( | ) |
Read the value currently output on the bus.
int mask | ( | ) |
BusOut & operator= | ( | int | v | ) |
A shorthand for write()
DigitalOut & operator[] | ( | int | index | ) |
Access to particular bit in random-iterator fashion.
index | Bit Position |
operator int | ( | ) |
A shorthand for read()