求解 web控制uno+opnwtr+w5100 问题
#include <SPI.h>
#include <Ethernet.h>
byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192,168,1, 177);
int ledPin7 = 7;
char cc = ' ';
char ccc = ' ';
EthernetServer server(80);
void setup() {
Serial.begin(9600);
while (!Serial) {
;
}
pinMode(ledPin7, OUTPUT);
Ethernet.begin(mac, ip);
server.begin();
Serial.print("server is at ");
Serial.println(Ethernet.localIP());
}
void loop() {
EthernetClient client = server.available();
if (client) {
Serial.println("new client");
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
if (c == '\n' && currentLineIsBlank) {
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connnection: close");
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
// client.println("<meta http-equiv=\"refresh\" content=\"5\">");
for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
int sensorReading = analogRead(analogChannel);
if (analogChannel == 1)
{
int A1 = analogRead(analogChannel);
int guangqiang = A1;
client.print(guangqiang);
client.print(":");
}
else
if (analogChannel == 2)
{
int A2 = analogRead(analogChannel);
int wendu= (A2*0.0048828125*100);
client.print(wendu);
}
}
client.println("</html>");
//byte c = client.read();
if(c == 'O' && cc == '=')
{
if(ccc == 'X')
{
digitalWrite(7,HIGH);
}
else if(ccc == 'Y')
{
digitalWrite(7,LOW);
}
}
ccc = cc;
cc = c;
break;
}
if (c == '\n') {
currentLineIsBlank = true;
}
else if (c != '\r') {
currentLineIsBlank = false;
}
}
}
delay(1);
client.stop();
Serial.println("client disonnected");
}
}
下位机代码 web里能收到返回的温度值，但是web给UNO发指令 uno无反应:'(。求解~求大神。。。 如下来自my friend： Jose from Spain
Step 1;
Add a button form in his page:
http://www.w3school.com.cn/tags/tag_button.asp
<form action = "" method = "post">
<button type="ArduinoAction">Click Me!</button>
<form>
step 2:
(pseudocode)
similar to line 24,if ( c = ArduinoAction )turn on LED
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