Argox PA-20 Programming Guide Uživatelský manuál stáhnout pdf (Strana 95)

PT-20 Programming Guide

USB_Read

Purpose：

Read specific number of bytes from USB port.

Syntax：

int USBRead(unsigned char *rbuf, unsigned int rLength);

Example call：

int k;

unsigned char ausBuf[12];

k = USBRead(ausBuf, 10);

_printf("Read %d characters => %s", k, ausBuf);

Includes：

#include “SDK.h ”

Description：

The function can write specific number of bytes from USB port.

Returns：

The USBRead function returns the number characters from the PC site

USB_Write

Purpose：

Write specific number of bytes to USB port.

Syntax：

void USBWrite(unsigned char *wbuf, unsigned int wLength);

Example call：

USBWrite("0123456789", 10);

Includes：

#include “SDK.h ”

Description：

The function can write specific number of bytes to USB port.

Returns：

None

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Argox PA-20 Programming Guide Uživatelský manuál Strana 95