Class MCP23017

Hierarchy

MCP23017

Index

Constructors

constructor

Methods

Constructors

constructor

new MCP23017(bus: BusInterface, __namedParameters?: object): MCP23017

- Defined in index.ts:144
Parameters
- bus: BusInterface
- Default value __namedParameters: object = {}
  - address: number
  - separate: boolean
Returns MCP23017

Methods

handle

handle(handler: InteruptHandler): Promise<void>

- Defined in index.ts:288
Handle interupts received.

Parameters
- handler: InteruptHandler
Returns Promise<void>

init

init(): Promise<void>

- Defined in index.ts:153
Returns Promise<void>

read

read(): Promise<number>

- Defined in index.ts:213
Reads the GPIO

Returns Promise<number>

the value of the GPIO Pin in a promise.

readConfigByte

readConfigByte(): Promise<number>

- Defined in index.ts:160
Reads the configuration byte of the chip

Returns Promise<number>

the value of the configuration as a byte in a promise.

register

register(intDefs: InteruptDefinition[], handler?: InteruptHandler): Promise<InteruptHandler>

- Defined in index.ts:234
Register changes to the interupt handling

Parameters
- intDefs: InteruptDefinition[]
- Default value handler: InteruptHandler = {}
Returns Promise<InteruptHandler>

the new interupt handler.

setDirection

setDirection(pins: number, direction: Direction): Promise<void>

- Defined in index.ts:185
Sets the direction of a set of GPI/O pins and eventually pull-up status.

Parameters
- pins: number
- direction: Direction
Returns Promise<void>

a promisse fullfilled when the operation is performed.

setPolarity

setPolarity(pins: number): Promise<void>

- Defined in index.ts:204
Set the polarity of the output (ie XOR with it)

Parameters
- pins: number
Returns Promise<void>

setSeparate

setSeparate(separate: boolean): Promise<void>

- Defined in index.ts:169
Change the way register banks are organize.

Parameters
- separate: boolean
Returns Promise<void>

a promisse fullfilled when the operation is performed.

write

write(set: number, unset: number): Promise<void>

- Defined in index.ts:221
Modify the GPIO

Parameters
- set: number
- unset: number
Returns Promise<void>

Generated using TypeDoc