| Version 1 (modified by wade, 15 years ago) (diff) |
|---|
/*
- Web Admin 透過 web service 提供網頁監控功能。
- 接法：
- analog pin1：CT sersor
- */
#include <Ethernet.h> #include <string.h>
byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] = {
140, 110, 138, 240 };
Server server(80);
void setup() {
Ethernet.begin(mac, ip); server.begin(); Serial.begin(9600); pinMode(2, OUTPUT); pinMode(3, OUTPUT);
}
void loop() {
Client client = server.available(); detect if current is the first line boolean current_line_is_first = true; command code char command[3] = "\0"; if (client) {
an http request ends with a blank line boolean current_line_is_blank = true; while (client.connected()) {
if (client.available()) {
char c = client.read(); if we've gotten to the end of the line (received a newline character) and the line is blank, the http request has ended, so we can send a reply if (c == '\n' && current_line_is_blank) {
send a standard http response header client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html"); client.println();
output the value of each analog input pin for (int i = 0; i < 6; i++) {
client.print("analog input "); client.print(i); client.print(" is "); client.print(analogRead(i)); client.println("<br />");
} client.println("<form method=get name=form>"); client.println("<button name=b value=01 type=submit>01</button>"); client.println("<button name=b value=02 type=submit>02</button>"); client.println("<button name=b value=03 type=submit>03</button>"); client.println("<button name=b value=04 type=submit>04</button>"); client.println("</form>"); break;
} if (c == '\n') {
we're starting a new line current_line_is_first = false; current_line_is_blank = true;
} else if (c != '\r') {
we've gotten a character on the current line current_line_is_blank = false;
} get the first http request if (current_line_is_first && c == '=') {
for (int i = 0; i < 2; i++) {
c = client.read(); command[i] = c;
} if (!strcmp(command, "01") ) {
Serial.println("high pin 2"); digitalWrite(2, HIGH); delay(500); digitalWrite(2, LOW);
} if (!strcmp(command, "02") ) {
Serial.println("high pin 3"); digitalWrite(3, HIGH); delay(500); digitalWrite(3, LOW);
}
}
}
} give the web browser time to receive the data delay(1); client.stop();
}
}
