EVB-PIC24 WIZnet, EVB-PIC24 Datasheet - Page 48

• Manufacturer Part Number: EVB-PIC24
• Description: Development Boards & Kits - PIC / DSPIC W3150A+EVAL BOARD BASED ON PIC24
• Manufacturer: WIZnet

Specifications of EVB-PIC24

• Rohs: yes
• Product: Development Kits
• Interface Type: RS-232
• Data Bus Width: 16 bit
• Dimensions: 50 mm x 40 mm

Processing
Host Name
Unknown
END of
Convert the 32-Bit Address into the IP Address String
Convert the Internet Domain Name into a Internet IP Address
Send the Ping Request To the destination
N
Display the Result of Ping Request
Call DisplayPingStatistics(PingLog)
N
Call gethostbyname(qname)
(PingArgsFlags & 0x20) == 0
(PingArgsFlags & 0x80) != 0
(PingArgsFlags & 0x42) != 0
PingArgsFlags |= 0x40
Correct IP Address ?
Call ping(&PingLog)
END of Processing
Is the Desination-list
PingArgsFlags == 0
Display the Internet
Successed to Call
Successed to Call
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Address String
Domain Name
Display the IP
Processing
Ping
N
Y
N
N
N
Y
Y
<Fig 3.9: ping_request() – Continue>
Y
N
Y
Y
Y
Convert the Internet IP Address into a Internet Domain Name
Convert the IP Address String into a 32-Bit Address
No Arguments
No Destination-list
Fail to Ping
Request
Call gethostbyaddr(peeip,qnam)
(PingArgsFlags & 0x02) != 0
Successed to Call
Y
END of Processing
Y
N
END of Processing
N
Unknown Host
IP Address
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