Argox PA-20 Programming Guide - Manual (Page 95)

PT-20 Programming Guide 93
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