Hardware Hacking Projects for Geeks

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Chapter 15, How to Build an Internet Coffeemaker

Listing 9: UDPsend_def.inc

;

; These are definitions of objects to be used with the UDPsend

; Serial command or the UDPsend object location

;

; To send a UDP message to a specific computer on your local network:

; set the UDPMAC address to the computer’s ethernet adapter MAC address

; set the UDPIP address to the computer’s IP address

;

; To broadcast to many computers simultaneously:

; set the UDPMAC addresses to all 0ffh’s

; set the UDPIP address the local network broadcast address

; which is typically xxx.xxx.xxx.255

;

; To broadcast to all computers on all logical local networks:

; set the UDPMAC addresses to all 0ffh’s

; set the UDPIP address to 255.255.255.255

;

; To send to a remote PC through a gateway:

; set the MAC address to the gateway’s MAC address

; and the UDPIP address to the address of the remote machine

;

org 2D0h

UDPMAC dhex 0ffh

UDPMAC2 dhex 0ffh

UDPMAC3 dhex 0ffh

UDPMAC4 dhex 0ffh

UDPMAC5 dhex 0ffh

UDPMAC6 dhex 0ffh

;IP address in the format UDPIP.UDPIP2.UDPIP3.UDPIP4

UDPIP db 0ffh

UDPIP2 db 0ffh

UDPIP3 db 0ffh

UDPIP4 db 0ffh

UDPPORT dw 2552

UDPADDR dw 0

UDPCOUNT dw 1

Exhibit C

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