adapter

package
v0.12.3 Latest Latest
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 Go to latest Published: May 29, 2024 License: MIT Imports: 11 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	StatusNew = iota
	StatusInitialized
	StatusConnecting
	StatusConnected
)
View Source 
const ProductID = 0x00DD
View Source 
const VendorID = 0x04D8

Variables

View Source 
var ErrCommandFailed = errors.New("command failed")
View Source 
var ErrCommandUnsupported = errors.New("unsupported command")
View Source 
var ErrI2CAddressMismatch = errors.New("i2c address mismatch")
View Source 
var ErrI2CStatusTimeout = errors.New("i2c status check timeout")
View Source 
var ErrNoReconnectChannel = errors.New("reconnect channel not initialized")
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var ErrNotConnected = errors.New("not connected")

Functions

This section is empty.

Types

type GPIODesignation added in v0.3.0 

type GPIODesignation byte
const (
	GPIOOperation GPIODesignation = 0b00000000
	// GPIO0LedUartRx This is alternate function of GPIO0
	GPIO0LedUartRx GPIODesignation = 0b00000001
	// GPIO0SSPND This is the dedicated function operation of GPIO0
	GPIO0SSPND GPIODesignation = 0b00000010
	// GPIO1ClockOutput This is the dedicated function of GPIO1
	GPIO1ClockOutput GPIODesignation = 0b00000001
	// GPIO1ADC1 This is the alternate function 0 of GPIO1
	GPIO1ADC1 GPIODesignation = 0b00000010
	// GPIO1LedUartTx This is the alternate function 1 of GPIO1
	GPIO1LedUartTx GPIODesignation = 0b00000011
	// GPIO1InterruptDetection This is the alternate function 2 of GPIO1
	GPIO1InterruptDetection GPIODesignation = 0b00000100
	// GPIO2ClockOutput This is the dedicated function of GPIO2
	GPIO2ClockOutput GPIODesignation = 0b00000001
	// GPIO2ADC2 This is the alternate function 0 of GPIO2
	GPIO2ADC2 GPIODesignation = 0b00000010
	// GPIO2DAC1 This is the alternate function 1 of GPIO2
	GPIO2DAC1 GPIODesignation = 0b00000011
	// GPIO3LEDI2C This is the dedicated function of GPIO3
	GPIO3LEDI2C GPIODesignation = 0b00000001
	// GPIO3ADC3 This is the alternate function 0 of GPIO3
	GPIO3ADC3 GPIODesignation = 0b00000010
	// GPIO3DAC2 This is the alternate function 1 of GPIO3
	GPIO3DAC2 GPIODesignation = 0b00000011
)

type GPIOMode added in v0.3.0 

type GPIOMode byte
const (
	GPIOModeOut         GPIOMode = 0b00000000
	GPIOModeIn          GPIOMode = 0b00001000
	GPIOModeNoOperation GPIOMode = 0xEF
)

func (GPIOMode) String added in v0.3.0 

func (m GPIOMode) String() string

type MCP2221 

type MCP2221 struct {
	// contains filtered or unexported fields
}

func NewMCP2221 

func NewMCP2221() *MCP2221

func (*MCP2221) GetGPIOParameters added in v0.3.0 

func (d *MCP2221) GetGPIOParameters(ctx context.Context) (MCP2221GPIOParameters, error)

func (*MCP2221) Init added in v0.9.0 

func (d *MCP2221) Init() error

func (*MCP2221) Read added in v0.4.0 

func (d *MCP2221) Read(ctx context.Context) ([]byte, error)

func (*MCP2221) ReadChipSettings added in v0.6.0 

func (d *MCP2221) ReadChipSettings(ctx context.Context) error

func (*MCP2221) ReadFromAddr 

func (d *MCP2221) ReadFromAddr(ctx context.Context, address byte, buffer []byte) error

func (*MCP2221) ReadGPIO added in v0.3.0 

func (d *MCP2221) ReadGPIO(ctx context.Context) (MCP2221GPIOValues, error)

func (*MCP2221) ReadGPIOSettings added in v0.6.0 

func (d *MCP2221) ReadGPIOSettings(ctx context.Context) error

func (*MCP2221) Release added in v0.3.0 

func (d *MCP2221) Release(ctx context.Context) error

func (*MCP2221) ReleaseBus 

func (d *MCP2221) ReleaseBus(ctx context.Context) (*MCP2221Status, error)

func (*MCP2221) Reset added in v0.8.0 

func (d *MCP2221) Reset(ctx context.Context) error

func (*MCP2221) SetGPIOParameters added in v0.3.0 

func (d *MCP2221) SetGPIOParameters(ctx context.Context, params MCP2221GPIOParameters) error

func (*MCP2221) SetVendorAndProductID added in v0.6.0 

func (d *MCP2221) SetVendorAndProductID(vendor, product uint16)

func (*MCP2221) Status 

func (d *MCP2221) Status(ctx context.Context) (*MCP2221Status, error)

func (*MCP2221) UpdateVendorAndProductID added in v0.6.0 

func (d *MCP2221) UpdateVendorAndProductID(ctx context.Context, vendor, product []byte, dryrun ...bool) error

func (*MCP2221) WriteToAddr 

func (d *MCP2221) WriteToAddr(ctx context.Context, address byte, buffer []byte) error

type MCP2221GPIOParameters added in v0.3.0 

type MCP2221GPIOParameters struct {
	GPIO0Mode        GPIOMode        `yaml:"GP0_mode"`
	GPIO0Designation GPIODesignation `yaml:"GP0_designation"`
	GPIO1Mode        GPIOMode        `yaml:"GP1_mode"`
	GPIO1Designation GPIODesignation `yaml:"GP1_designation"`
	GPIO2Mode        GPIOMode        `yaml:"GP2_mode"`
	GPIO2Designation GPIODesignation `yaml:"GP2_designation"`
	GPIO3Mode        GPIOMode        `yaml:"GP3_mode"`
	GPIO3Designation GPIODesignation `yaml:"GP3_designation"`
}

type MCP2221GPIOValues added in v0.3.0 

type MCP2221GPIOValues struct {
	GPIO0Mode  GPIOMode `json:"gp0_mode" yaml:"GP0_mode"`
	GPIO0Value byte     `json:"gp0" yaml:"GPIO0"`
	GPIO1Mode  GPIOMode `json:"gp1_mode" yaml:"GP1_mode"`
	GPIO1Value byte     `json:"gp1" yaml:"GPIO1"`
	GPIO2Mode  GPIOMode `json:"gp2_mode" yaml:"GP2_mode"`
	GPIO2Value byte     `json:"gp2" yaml:"GPIO2"`
	GPIO3Mode  GPIOMode `json:"gp3_mode" yaml:"GP3_mode"`
	GPIO3Value byte     `json:"gp3" yaml:"GPIO3"`
}

type MCP2221Status 

type MCP2221Status struct {
	I2CDataBufferCounter   int
	I2CSpeedDivider        int
	I2CTimeout             int
	CurrentAddress         string
	I2CAddress             byte
	LastI2CRequestedSize   uint16
	LastI2CTransferredSize uint16
	ReadPending            int
}

Source Files

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