Get a string descriptor in ASCII format and US/English language ID.

int32_t UsbGetAsciiString( 
    int32_t udev, 
    uint8_t idx, 
    void *buf, 
    uint32_t size 
); 

Parameters

udev

Device handle from UsbOpenDevice.

idx

Index value of the string to obtain.

buf 

Pointer to a buffer to receive the string.

size 

Size in bytes of the destination buffer. Strings are at most 255 bytes long.  

Return Values

USB_ERR_NORMAL_COMPLETION	Success.
USB_ERR_NO_STACK	The USB stack is not ready.
USB_ERR_MEMORY	Memory could not be allocated for the operation.
USB_ERR_TIMEOUT	The device did not respond.
USB_ERR_INVAL	The value of the idx parameter is not a valid index.

Requirements