devices

package

v0.0.0-...-3957fa3 Latest Latest Go to latest Published: Dec 21, 2022 License: MIT Imports: 6 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

gitee.com/zinface/go.gpio-ctl

Documentation ¶

Constants ¶

View Source

const (
	GPIO          = "/sys/class/gpio"
	GPIO_EXPORT   = GPIO + "/export"
	GPIO_UNEXPORT = GPIO + "/unexport"
)

Variables ¶

View Source

var (
	// GPIO_ERROR_NOT_EXPORTED
	ErrGPIONotExported       error = errors.New("GPIO Not Exported")
	ErrGPIODirectionNotValue error = errors.New("GPIO Direction Not Value")
)

Functions ¶

func GPIOExport ¶

func GPIOExport(gpio int) error

func GPIOUnExport ¶

func GPIOUnExport(gpio int) error

Types ¶

type GPIODevice ¶

type GPIODevice struct {
	Id   int    // GPIO 编号
	Path string // GPIO 设备目录
}

GPIODevice 设备信息

func NewGPIODevice ¶

func NewGPIODevice(id int) *GPIODevice

NewGPIODevice 实例化一个设备

func (*GPIODevice) ChangeMode ¶

func (device *GPIODevice) ChangeMode(mode GPIOMode) (err error)

ChangeMode 改变工作模式

func (*GPIODevice) ChangeValue ¶

func (device *GPIODevice) ChangeValue(value GPIOValue) (err error)

ChangeValue 改变value值

func (*GPIODevice) Export ¶

func (device *GPIODevice) Export() (bool, error)

Export 导出设备

func (*GPIODevice) GetDevicePath ¶

func (device *GPIODevice) GetDevicePath() string

GetDevicePath 获取GPIO设备的 device 路径

func (*GPIODevice) GetDirectionPath ¶

func (device *GPIODevice) GetDirectionPath() string

GetDirectionPath 获取GPIO设备的 direction 路径

func (*GPIODevice) GetPath ¶

func (device *GPIODevice) GetPath() string

GetPath 获取设备目录路径

func (*GPIODevice) GetValuePath ¶

func (device *GPIODevice) GetValuePath() string

GetValuePath 获取GPIO设备的 value 路径

func (*GPIODevice) IsExported ¶

func (device *GPIODevice) IsExported() bool

IsExported 检查是否已经导出设备引脚

func (*GPIODevice) IsUnExported ¶

func (device *GPIODevice) IsUnExported() bool

IsUnExported 检查是否已经导出设备引脚

func (*GPIODevice) Mode ¶

func (device *GPIODevice) Mode() (mode GPIOMode, err error)

Mode 获取当前工作模式

func (*GPIODevice) UnExport ¶

func (device *GPIODevice) UnExport() (bool, error)

UnExport 取消导出设备

func (*GPIODevice) Value ¶

func (device *GPIODevice) Value() (value GPIOValue, err error)

获取

type GPIOMode ¶

type GPIOMode int

GPIO Direction Mode

const (
	DIRECTION_IN GPIOMode = iota
	DIRECTION_OUT
)

type GPIOValue ¶

type GPIOValue int

GPIO Level Value

const (
	LEVEL_LOW GPIOValue = iota
	LEVEL_HIGH
)

type IGPIODevice ¶

type IGPIODevice interface {
	GetPath() string
	GetValuePath() string
	GetDirectionPath() string
	GetDevicePath() string

	Export() (bool, error)
	UnExport() (bool, error)

	IsExported() bool
	IsUnExported() bool

	Value() (GPIOValue, error)
	ChangeValue(value GPIOValue) error

	Mode() (GPIOMode, error)
	ChangeMode(mode GPIOMode) error
}

IGPIODevice GPIO 设备操作接口 /sys/class/gpio/gpio141 active_low device direction edge power subsystem uevent value

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL