nw_usb_pkg Package Body Reference

Package >> nw_usb_pkg

Functions
t_slv_arr	f_usb_create_pkt ( pkt: in t_usb_packet , get_length: in boolean false )
	Create USB packet (internal)
t_slv_arr	f_usb_create_pkt ( pkt: in t_usb_packet )
	Create USB packet.
natural	f_usb_create_pkt_len ( pkt: in t_usb_packet )
	Return length of USB packet.
t_usb_packet	f_usb_get_pkt ( usb_pkt: in t_slv_arr )
	Get PTP message.

Member Function Documentation

f_usb_create_pkt()

t_slv_arr f_usb_create_pkt (   pkt in t_usb_packet   )

Function

Create USB packet.

Parameters

pkt	USB packet (record)

Returns

USB packet (8bit array)

Create USB packet from packet record.

Example use

v_pkt  := C_DEFAULT_USB_PACKET; -- default data packet
v_data := f_usb_create_pkt(v_pkt);

f_usb_create_pkt_len()

natural f_usb_create_pkt_len (   pkt in t_usb_packet   )

Function

Return length of USB packet.

Parameters

pkt	USB packet (record)

Returns

Length of USB packet

Return the length of the created USB packet.

Example use

v_len                  := f_usb_create_pkt_len(v_pkt); 
v_data(0 to v_len - 1) := f_usb_create_pkt(v_pkt);

f_usb_get_pkt()

t_usb_packet f_usb_get_pkt (   usb_pkt in t_slv_arr   )

Function

Get PTP message.

Parameters

usb_pkt

USB packet (8bit)

Returns

USB packet (record)

Extract USB packet from payload.

Example use

v_usb_pkt := f_usb_get_pkt(data_array_8bit); 

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The documentation for this class was generated from the following file:

• nw_usb/src/nw_usb_pkg.vhd