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* ethernet: examples * remove duplicate * styling * fix comment restyle + comment eth.setdefault() * comment and add comments about eth.setDefault() * update comments when using interface::setDefault() * repair bad merge * fix default interface case * factorize * change comment
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| This sketch establishes a TCP connection to a "quote of the day" service. | ||
| It sends a "hello" message, and then prints received data. | ||
| This is Ethernet version of: | ||
| https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/examples/WiFiClient/WiFiClient.ino | ||
| */ | ||
|
|
||
| #include <LwipEthernet.h> | ||
|
|
||
| Wiznet5500lwIP eth(/*SS*/ 16); // <== adapt to your hardware | ||
|
|
||
| const char* host = "djxmmx.net"; | ||
| const uint16_t port = 17; | ||
|
|
||
| void setup() { | ||
| Serial.begin(115200); | ||
|
|
||
| Serial.println("\nEthernet\n"); | ||
|
|
||
| // 1. Currently when no default is set, esp8266-Arduino uses the first | ||
| // DHCP client interface receiving a valid address and gateway to | ||
| // become the new lwIP default interface. | ||
| // 2. Otherwise - when using static addresses - lwIP for every packets by | ||
| // defaults selects automatically the best suited output interface | ||
| // matching the destination address. If several interfaces match, | ||
| // the first one is picked. On esp8266/Arduno: WiFi interfaces are | ||
| // checked first. | ||
| // 3. Or, use `::setDefault()` to force routing through this interface. | ||
| // eth.setDefault(); // default route set through this interface | ||
|
|
||
| if (!ethInitDHCP(eth)) { | ||
| Serial.printf("no hardware found\n"); | ||
| while (1) { | ||
| delay(1000); | ||
| } | ||
| } | ||
|
|
||
| while (!eth.connected()) { | ||
| Serial.printf("."); | ||
| delay(1000); | ||
| } | ||
|
|
||
| Serial.printf("Ethernet: IP Address: %s\n", | ||
| eth.localIP().toString().c_str()); | ||
| } | ||
|
|
||
| void loop() { | ||
|
|
||
| Serial.print("connecting to "); | ||
| Serial.print(host); | ||
| Serial.print(':'); | ||
| Serial.println(port); | ||
|
|
||
| // Use WiFiClient class to create TCP connections | ||
| // (this class could have been named TCPClient) | ||
| WiFiClient client; | ||
| if (!client.connect(host, port)) { | ||
| Serial.println("connection failed"); | ||
| delay(5000); | ||
| return; | ||
| } | ||
|
|
||
| // This will send a string to the server | ||
| Serial.println("sending data to server"); | ||
| if (client.connected()) { client.println("hello from ESP8266"); } | ||
|
|
||
| // wait for data to be available | ||
| unsigned long timeout = millis(); | ||
| while (client.available() == 0) { | ||
| if (millis() - timeout > 5000) { | ||
| Serial.println(">>> Client Timeout !"); | ||
| client.stop(); | ||
| delay(60000); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| // Read all the lines of the reply from server and print them to Serial | ||
| Serial.println("receiving from remote server"); | ||
| client.sendAll(Serial); // this peer closes once all data are sent | ||
|
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||
| // Close the connection | ||
| Serial.println(); | ||
| Serial.println("closing connection"); | ||
| client.stop(); | ||
|
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||
| delay(300000); // execute once every 5 minutes, don't flood remote service | ||
| } |
92 changes: 92 additions & 0 deletions
92
libraries/lwIP_Ethernet/examples/EthClientStatic/EthClientStatic.ino
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| This sketch establishes a TCP connection to a "quote of the day" service. | ||
| It sends a "hello" message, and then prints received data. | ||
| This is Ethernet version of: | ||
| https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/examples/WiFiClient/WiFiClient.ino | ||
| */ | ||
|
|
||
| #include <LwipEthernet.h> | ||
|
|
||
| #define LOCAL_IP IPAddress(192, 168, 0, 233) | ||
| #define LOCAL_GW IPAddress(192, 168, 0, 254) // <== adapt to your network | ||
| #define LOCAL_MASK IPAddress(255, 255, 255, 0) | ||
| #define DNS IPAddress(8, 8, 8, 8) | ||
|
|
||
| Wiznet5500lwIP eth(/*SS*/ 16); // <== adapt to your hardware | ||
|
|
||
| const char* host = "djxmmx.net"; | ||
| const uint16_t port = 17; | ||
|
|
||
| void setup() { | ||
| Serial.begin(115200); | ||
|
|
||
| Serial.println("\nEthernet\n"); | ||
|
|
||
| // 1. Currently when no default is set, esp8266-Arduino uses the first | ||
| // DHCP client interface receiving a valid address and gateway to | ||
| // become the new lwIP default interface. | ||
| // 2. Otherwise - when using static addresses - lwIP for every packets by | ||
| // defaults selects automatically the best suited output interface | ||
| // matching the destination address. If several interfaces match, | ||
| // the first one is picked. On esp8266/Arduno: WiFi interfaces are | ||
| // checked first. | ||
| // 3. Or, use `::setDefault()` to force routing through this interface. | ||
| // eth.setDefault(true); // default route set through this interface | ||
|
|
||
| if (!ethInitStatic(eth, LOCAL_IP, LOCAL_GW, LOCAL_MASK, DNS)) { | ||
| // enabling debug message will show the real cause | ||
| Serial.printf("no hardware found or bad network configuration\n"); | ||
| while (1) { | ||
| delay(1000); | ||
| } | ||
| } | ||
|
|
||
| Serial.printf("Ethernet: IP Address: %s\n", | ||
| eth.localIP().toString().c_str()); | ||
| } | ||
|
|
||
| void loop() { | ||
|
|
||
| Serial.print("connecting to "); | ||
| Serial.print(host); | ||
| Serial.print(':'); | ||
| Serial.println(port); | ||
|
|
||
| // Use WiFiClient class to create TCP connections | ||
| // (this class could have been named TCPClient) | ||
| WiFiClient client; | ||
| if (!client.connect(host, port)) { | ||
| Serial.println("connection failed"); | ||
| delay(5000); | ||
| return; | ||
| } | ||
|
|
||
| // This will send a string to the server | ||
| Serial.println("sending data to server"); | ||
| if (client.connected()) { | ||
| client.println("hello from ESP8266"); | ||
| } | ||
|
|
||
| // wait for data to be available | ||
| unsigned long timeout = millis(); | ||
| while (client.available() == 0) { | ||
| if (millis() - timeout > 5000) { | ||
| Serial.println(">>> Client Timeout !"); | ||
| client.stop(); | ||
| delay(60000); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| // Read all the lines of the reply from server and print them to Serial | ||
| Serial.println("receiving from remote server"); | ||
| client.sendAll(Serial); // this peer closes once all data are sent | ||
|
|
||
| // Close the connection | ||
| Serial.println(); | ||
| Serial.println("closing connection"); | ||
| client.stop(); | ||
|
|
||
| delay(600000); // execute once every 10 minutes, don't flood remote service | ||
| } |
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