DM300004-1 Microchip Technology, DM300004-1 Datasheet - Page 60

• Manufacturer Part Number: DM300004-1
• Description: BOARD DEMO DSPICDEM.NET 1
• Manufacturer: Microchip Technology
• Series: dsPIC™r
• Type: Microcontrollerr

Specifications of DM300004-1

• Contents: *
• Mcu Supported Families: DsPIC30F
• Supported Devices: DsPIC30F6014
• For Use With: PIC30F5013
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: FCC/JATE PSTN, Ethernet NIC
• Lead Free Status / RoHS Status: na, Lead free / RoHS Compliant
• Other names: DM300004-1R; DM300004-1R

PICDEM.net™ 1 and dsPICDEM.net 2 Connectivity Dev Board User’s Guide
DS51471A-page 56
4.6.4
This portion of the demonstration illustrates how you can remotely control functions in
an embedded application from your browser. Information you enter on the web page
affects the LEDs and LCD display on the dsPICDEM.net board.
1. Repeatedly click the LEDs button on the web page. LED1, LED2 and LED3 on
2. Enter up to 16 characters in the text box on the web page, then click the LCD
3. Repeat step 2. The last typed entry replaces line 2 of the LCD.
FIGURE 4-9:
4.6.5
HTTP is the defacto standard for transferring World Wide Web documents, although it
is designed to be extensible to almost any document format. HTTP Version 1.1 is
documented in RFC 2068. HTTP Version 1.0 (deprecated) is documented in RFC
1945. See also the W3C’s work on the standard at: www.w3.org/Protocols/.
HTTP operates over TCP connections, usually to port 80, though this can be
overridden and another port used. After a successful connection, the client transmits a
request message to the server, which sends a reply message back. HTTP messages
are human-readable. An HTTP server can be manually operated with a command such
as Telnet Server 80.
The simplest HTTP message is "GET url”, to which the server replies by sending the
named document.
In HTML, you can specify two different submission methods for a form. The method is
specified inside a form element, using the METHOD attribute. The difference between
METHOD="GET" (the default) and METHOD="POST" is primarily defined in terms of
form data encoding.
the dsPICDEM.net development board toggle up and down in sequence for each
mouse click.
button.
The information you typed displays as line 2 of the LCD on the dsPICDEM.net
board.
Control the dsPICDEM.net™ Development Board
Hyper Text Transfer Protocol
INFORMATION TYPED ON WEB PAGE
DISPLAYS ON LCD
CONTROLLED DEVICES
 2004 Microchip Technology Inc.
LEDS 1-3