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DhcpAddressPrinter example: Fix initialization with no hardware present #247

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DhcpAddressPrinter example: Fix initialization with no hardware present #247

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@hansu hansu commented Jan 10, 2024

Error message about not present Ethernet hardware was only printed if mac==0, which makes not really sense:

  if (Ethernet.begin(mac) == 0) {
    Serial.println("Failed to configure Ethernet using DHCP");
    if (Ethernet.hardwareStatus() == EthernetNoHardware) {
      Serial.println("Ethernet shield was not found.  Sorry, can't run without hardware. :(");
    }

@per1234 per1234 added topic: documentation Related to documentation for the project type: imperfection Perceived defect in any part of project labels Jan 10, 2024
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Memory usage change @ 064a37d

Board flash % RAM for global variables %
arduino:avr:leonardo 🔺 0 - +10 0.0 - +0.03 0 - 0 0.0 - 0.0
arduino:avr:mega 🔺 0 - +6 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:nano 🔺 0 - +8 0.0 - +0.03 0 - 0 0.0 - 0.0
arduino:megaavr:nona4809 🔺 0 - +20 0.0 - +0.04 0 - 0 0.0 - 0.0
arduino:megaavr:uno2018 🔺 0 - +20 0.0 - +0.04 0 - 0 0.0 - 0.0
arduino:sam:arduino_due_x_dbg 0 - 0 0.0 - 0.0 N/A N/A
arduino:samd:arduino_zero_edbg 🔺 0 - +8 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkr1000 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrfox1200 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrgsm1400 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrnb1500 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrvidor4000 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrwan1300 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrwan1310 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrwifi1010 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrzero 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:nano_33_iot 🔺 0 - +4 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/AdvancedChatServer
flash		 % examples/AdvancedChatServer
RAM for global variables		 % examples/BarometricPressureWebServer
flash		 % examples/BarometricPressureWebServer
RAM for global variables		 % examples/ChatServer
flash		 % examples/ChatServer
RAM for global variables		 % examples/DhcpAddressPrinter
flash		 % examples/DhcpAddressPrinter
RAM for global variables		 % examples/DhcpChatServer
flash		 % examples/DhcpChatServer
RAM for global variables		 % examples/LinkStatus
flash		 % examples/LinkStatus
RAM for global variables		 % examples/PagerServer
flash		 % examples/PagerServer
RAM for global variables		 % examples/TelnetClient
flash		 % examples/TelnetClient
RAM for global variables		 % examples/UDPSendReceiveString
flash		 % examples/UDPSendReceiveString
RAM for global variables		 % examples/UdpNtpClient
flash		 % examples/UdpNtpClient
RAM for global variables		 % examples/WebClient
flash		 % examples/WebClient
RAM for global variables		 % examples/WebClientRepeating
flash		 % examples/WebClientRepeating
RAM for global variables		 % examples/WebServer
flash		 % examples/WebServer
RAM for global variables		 %
arduino:avr:leonardo 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 10 0.03 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:mega 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 6 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:nano 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 8 0.03 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:megaavr:nona4809 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 20 0.04 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:megaavr:uno2018 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 20 0.04 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:sam:arduino_due_x_dbg 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:samd:arduino_zero_edbg 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 8 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkr1000 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrfox1200 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrgsm1400 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrnb1500 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrvidor4000 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrwan1300 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrwan1310 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrwifi1010 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrzero 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:nano_33_iot 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 4 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV 
Board,examples/AdvancedChatServer<br>flash,%,examples/AdvancedChatServer<br>RAM for global variables,%,examples/BarometricPressureWebServer<br>flash,%,examples/BarometricPressureWebServer<br>RAM for global variables,%,examples/ChatServer<br>flash,%,examples/ChatServer<br>RAM for global variables,%,examples/DhcpAddressPrinter<br>flash,%,examples/DhcpAddressPrinter<br>RAM for global variables,%,examples/DhcpChatServer<br>flash,%,examples/DhcpChatServer<br>RAM for global variables,%,examples/LinkStatus<br>flash,%,examples/LinkStatus<br>RAM for global variables,%,examples/PagerServer<br>flash,%,examples/PagerServer<br>RAM for global variables,%,examples/TelnetClient<br>flash,%,examples/TelnetClient<br>RAM for global variables,%,examples/UDPSendReceiveString<br>flash,%,examples/UDPSendReceiveString<br>RAM for global variables,%,examples/UdpNtpClient<br>flash,%,examples/UdpNtpClient<br>RAM for global variables,%,examples/WebClient<br>flash,%,examples/WebClient<br>RAM for global variables,%,examples/WebClientRepeating<br>flash,%,examples/WebClientRepeating<br>RAM for global variables,%,examples/WebServer<br>flash,%,examples/WebServer<br>RAM for global variables,%
arduino:avr:leonardo,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,10,0.03,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:mega,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,6,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:nano,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,8,0.03,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:megaavr:nona4809,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,20,0.04,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:megaavr:uno2018,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,20,0.04,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:sam:arduino_due_x_dbg,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A
arduino:samd:arduino_zero_edbg,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,8,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkr1000,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrfox1200,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrgsm1400,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrnb1500,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrvidor4000,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwan1300,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwan1310,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwifi1010,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrzero,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:nano_33_iot,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,4,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0

@arduino-libraries arduino-libraries deleted a comment from github-actions bot Jan 25, 2024
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CLAassistant commented Mar 21, 2024 •
edited

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