我目前正在研究Arduino。我正在使用Atmega1284爲Lamp工作。我看到一個示例代碼,ModbusIP_ENC28J60 - > Lamp。我第一次編譯它時沒有添加任何內容,它編譯正確。現在,我添加了WebSocketServer,因爲我希望它也可以在websocket上工作。我添加了一些必要的行,但我結束了這個錯誤: error: 'EthernetClass Ethernet' redeclared as different kind of symbol
解決「重新宣佈爲不同類型的符號」錯誤
我不明白什麼是錯的代碼或我應該改變。有人可以幫我弄這個嗎?
我在這裏貼上我的代碼以供參考:
#include <EtherCard.h>
#include <Modbus.h>
#include <ModbusIP_ENC28J60.h>
#include <WebSocketsServer.h>
WebSocketsServer webSocketServer = WebSocketsServer(8080);
//Modbus Registers Offsets (0-9999)
const int LAMP1_COIL = 100;
//Used Pins
const int ledPin = 9;
//ModbusIP object
ModbusIP mb;
void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t lenght) {
switch(type) {
case WStype_DISCONNECTED:
Serial.println("[%u] Disconnected!\n");
break;
case WStype_CONNECTED:
{
//IPAddress ip = webSocket.remoteIP(num);
Serial.println("[%u] Disconnected!\n");
// send message to client
//webSocket.sendTXT(num, "Connected");
}
break;
case WStype_TEXT:
Serial.println("[%u] got text!\n");
// send message to client
// webSocket.sendTXT(num, "message here");
// send data to all connected clients
// webSocket.broadcastTXT("message here");
break;
case WStype_BIN:
Serial.println("[%u] get binary ");
//hexdump(payload, lenght);
// send message to client
// webSocket.sendBIN(num, payload, lenght);
break;
}
}
void setup() {
// The media access control (ethernet hardware) address for the shield
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
// The IP address for the shield
byte ip[] = { 192, 168, 0, 120 };
//Config Modbus IP
mb.config(mac, ip);
//Set ledPin mode
pinMode(ledPin, OUTPUT);
// Add LAMP1_COIL register - Use addCoil() for digital outputs
mb.addCoil(LAMP1_COIL);
webSocketServer.begin();
webSocketServer.onEvent(webSocketEvent);
}
void loop() {
//Call once inside loop() - all magic here
mb.task();
//Attach ledPin to LAMP1_COIL register
digitalWrite(ledPin, mb.Coil(LAMP1_COIL));
webSocketServer.loop();
}
幫助我,使工作。
您正在使用最新的庫嗎? – Sathiya
是的。這些圖書館是新的。 –