import refArray from 'ref-array-di';
import { LibraryInstance } from '../native';
export declare const GPIO: {
    GPIO_SetInput: ["int", ["int", "uint", "uchar"]];
    GPIO_SetOutput: ["int", ["int", "uint", "uchar"]];
    GPIO_SetOpenDrain: ["int", ["int", "uint", "uchar"]];
    GPIO_Write: ["int", ["int", "uint", "uint"]];
    GPIO_Read: ["int", ["int", "uint", refArray.ArrayType<number>]];
    GPIO_SendPulses: ["int", ["int", "uint", "uint", "uint", "uint"]];
};
export declare function getGPIO(lib: LibraryInstance<typeof GPIO>, handle: number): {
    setInput(pinMask: number, puPd: GPIOPuPd): Promise<void>;
    setOutput(pinMask: number, puPd: GPIOPuPd): Promise<void>;
    setOpenDrain(pinMask: number, puPd: GPIOPuPd): Promise<void>;
    write(pinMask: number, pinValue: number): Promise<void>;
    read(pinMask: number): Promise<number>;
    sendPulses(pinMask: number, pulseWidthUs: number, pulsePeriodUs: number, pulseNum: number): Promise<void>;
};
export declare enum GPIOPuPd {
    GPIO_PUPD_NOPULL = 0,
    GPIO_PUPD_UP = 1,
    GPIO_PUPD_DOWN = 2
}