Bela
Real-time, ultra-low-latency audio and sensor processing system for BeagleBone Black
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ShiftRegister
ShiftRegister.h
1
#pragma once
2
#include <
Bela.h
>
// this class acts on the BelaContext directly
3
#include <vector>
4
13
class
ShiftRegister
14
{
15
public
:
19
struct
Pins
{
20
unsigned
int
data
;
21
unsigned
int
clock
;
22
unsigned
int
latch
;
23
};
28
ShiftRegister
();
37
ShiftRegister
(
const
Pins
& pins,
unsigned
int
maxSize);
41
void
setup
(
const
Pins
& pins,
unsigned
int
maxSize);
48
bool
dataSent
();
52
void
process
(
BelaContext
* context);
56
void
process
(
BelaContext
* context,
unsigned
int
n);
66
void
setData
(
const
std::vector<bool>& dataBuf);
72
void
setData
(
const
bool
* dataBuf,
unsigned
int
length);
73
private
:
74
Pins
pins;
75
typedef
enum
{
76
kStart,
77
kTransmitting,
78
kStop,
79
kIdle,
80
} State;
81
82
State state = kStop;
83
unsigned
int
currentDataFrame = 0;
84
std::vector<bool> data;
85
bool
pinModeSet =
false
;
86
};
ShiftRegister::setData
void setData(const std::vector< bool > &dataBuf)
Definition:
ShiftRegister.cpp:68
ShiftRegister::ShiftRegister
ShiftRegister()
Definition:
ShiftRegister.cpp:3
ShiftRegister::Pins::latch
unsigned int latch
latch pin
Definition:
ShiftRegister.h:22
ShiftRegister::Pins::data
unsigned int data
data pin
Definition:
ShiftRegister.h:20
ShiftRegister::Pins::clock
unsigned int clock
clock pin
Definition:
ShiftRegister.h:21
BelaContext
Structure holding audio and sensor settings and pointers to I/O data buffers.
Definition:
Bela.h:161
ShiftRegister::Pins
Definition:
ShiftRegister.h:19
Bela.h
Main Bela public API.
ShiftRegister::setup
void setup(const Pins &pins, unsigned int maxSize)
Definition:
ShiftRegister.cpp:9
ShiftRegister::process
void process(BelaContext *context)
Definition:
ShiftRegister.cpp:20
ShiftRegister::dataSent
bool dataSent()
Definition:
ShiftRegister.cpp:15
ShiftRegister
A class to drive a shift register using Bela's digital outputs.
Definition:
ShiftRegister.h:13
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