[ETH] Implement SPI support, multiple interfaces and more

Author: me-no-dev

libraries/Ethernet/examples/ETH_LAN8720/ETH_LAN8720.ino

@@ -3,6 +3,15 @@
 
 */
 
+// Important to be defined BEFORE including ETH.h for ETH.begin() to work.
+// Example RMII LAN8720 (Olimex, etc.)
+#define ETH_PHY_TYPE        ETH_PHY_LAN8720
+#define ETH_PHY_ADDR         0
+#define ETH_PHY_MDC         23
+#define ETH_PHY_MDIO        18
+#define ETH_PHY_POWER       -1
+#define ETH_CLK_MODE        ETH_CLOCK_GPIO0_IN
+
 #include <ETH.h>
 
 static bool eth_connected = false;
@@ -19,16 +28,8 @@ void WiFiEvent(WiFiEvent_t event)
       Serial.println("ETH Connected");
       break;
     case ARDUINO_EVENT_ETH_GOT_IP:
-      Serial.print("ETH MAC: ");
-      Serial.print(ETH.macAddress());
-      Serial.print(", IPv4: ");
-      Serial.print(ETH.localIP());
-      if (ETH.fullDuplex()) {
-        Serial.print(", FULL_DUPLEX");
-      }
-      Serial.print(", ");
-      Serial.print(ETH.linkSpeed());
-      Serial.println("Mbps");
+      Serial.println("ETH Got IP");
+      ETH.printInfo(Serial);
       eth_connected = true;
       break;
     case ARDUINO_EVENT_ETH_DISCONNECTED:

libraries/Ethernet/examples/ETH_TLK110/ETH_TLK110.ino

@@ -5,11 +5,12 @@
 
 #include <ETH.h>
 
+#define ETH_TYPE        ETH_PHY_TLK110
 #define ETH_ADDR        31
-#define ETH_POWER_PIN   17
 #define ETH_MDC_PIN     23
 #define ETH_MDIO_PIN    18
-#define ETH_TYPE        ETH_PHY_TLK110
+#define ETH_POWER_PIN   17
+#define ETH_CLK_MODE    ETH_CLOCK_GPIO0_IN
 
 static bool eth_connected = false;
 
@@ -25,16 +26,8 @@ void WiFiEvent(WiFiEvent_t event)
       Serial.println("ETH Connected");
       break;
     case ARDUINO_EVENT_ETH_GOT_IP:
-      Serial.print("ETH MAC: ");
-      Serial.print(ETH.macAddress());
-      Serial.print(", IPv4: ");
-      Serial.print(ETH.localIP());
-      if (ETH.fullDuplex()) {
-        Serial.print(", FULL_DUPLEX");
-      }
-      Serial.print(", ");
-      Serial.print(ETH.linkSpeed());
-      Serial.println("Mbps");
+      Serial.println("ETH Got IP");
+      ETH.printInfo(Serial);
       eth_connected = true;
       break;
     case ARDUINO_EVENT_ETH_DISCONNECTED:
@@ -74,7 +67,7 @@ void setup()
 {
   Serial.begin(115200);
   WiFi.onEvent(WiFiEvent);
-  ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_TYPE);
+  ETH.begin(ETH_TYPE, ETH_ADDR, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_POWER_PIN);
 }
 
 

libraries/Ethernet/examples/ETH_W5500_IDF_SPI/ETH_W5500_IDF_SPI.ino

@@ -0,0 +1,83 @@
+/*
+    This sketch shows the Ethernet event usage
+
+*/
+
+#define ETH_TYPE        ETH_PHY_W5500
+#define ETH_ADDR         1
+#define ETH_CS          15
+#define ETH_IRQ          4
+#define ETH_RST          5
+#define ETH_SPI_HOST    SPI2_HOST
+#define ETH_SPI_SCK     14
+#define ETH_SPI_MISO    12
+#define ETH_SPI_MOSI    13
+
+#include <ETH.h>
+
+static bool eth_connected = false;
+
+void WiFiEvent(WiFiEvent_t event)
+{
+  switch (event) {
+    case ARDUINO_EVENT_ETH_START:
+      Serial.println("ETH Started");
+      //set eth hostname here
+      ETH.setHostname("esp32-ethernet");
+      break;
+    case ARDUINO_EVENT_ETH_CONNECTED:
+      Serial.println("ETH Connected");
+      break;
+    case ARDUINO_EVENT_ETH_GOT_IP:
+      Serial.println("ETH Got IP");
+      ETH.printInfo(Serial);
+      eth_connected = true;
+      break;
+    case ARDUINO_EVENT_ETH_DISCONNECTED:
+      Serial.println("ETH Disconnected");
+      eth_connected = false;
+      break;
+    case ARDUINO_EVENT_ETH_STOP:
+      Serial.println("ETH Stopped");
+      eth_connected = false;
+      break;
+    default:
+      break;
+  }
+}
+
+void testClient(const char * host, uint16_t port)
+{
+  Serial.print("\nconnecting to ");
+  Serial.println(host);
+
+  WiFiClient client;
+  if (!client.connect(host, port)) {
+    Serial.println("connection failed");
+    return;
+  }
+  client.printf("GET / HTTP/1.1\r\nHost: %s\r\n\r\n", host);
+  while (client.connected() && !client.available());
+  while (client.available()) {
+    Serial.write(client.read());
+  }
+
+  Serial.println("closing connection\n");
+  client.stop();
+}
+
+void setup()
+{
+  Serial.begin(115200);
+  WiFi.onEvent(WiFiEvent);
+  ETH.begin(ETH_TYPE, ETH_ADDR, ETH_CS, ETH_IRQ, ETH_RST, ETH_SPI_HOST, ETH_SPI_SCK, ETH_SPI_MISO, ETH_SPI_MOSI);
+}
+
+
+void loop()
+{
+  if (eth_connected) {
+    testClient("google.com", 80);
+  }
+  delay(10000);
+}