Application firmware description

AN3972

12/21

Doc ID 022161 Rev 1

labels) according to the table allowing the selection of each smartplug and sends an ON or

OFF command to it. The command is sent as a POST request to the web server. The page

is formatted according to a styles file (.css) which is also stored in the embedded flash.

The network parameters (IP address, IP Gateway address, and IP address subnet mask)

are stored in the DUAL-EEPROM included in the ZigBee module adapter and read at the

startup by the MCU; if an EEPROM isn't recognized the default values are used. The

parsing procedure is as follows:

HTML parsing procedure

if( pxRxBuffer != NULL )

{

// Where is the data?

netbuf_data( pxRxBuffer, ( void * ) &pcRxString, &usLength );

// Is this a GET?

We don't handle anything else.

if( !strncmp( pcRxString, "GET ", 4 ) )

{

for(int i = 4; i < usLength; i++)

{

if (pcRxString[i] == ' ' || pcRxString[i] == '\r' || pcRxString[i]

== '\n')

{

pcRxString[i] = 0;

}

}

// Is the page requested debug.html ?

if ( !strncmp((char *)pcRxString + 4, "/top3.htm", 9) )

{

++sReqCount;

// Build the dynamic page

file.data = s_cDynamicPage;

PrepareFrame2(s_cDynamicPage,pxNetCon);

file.len = strlen(s_cDynamicPage);

--sReqCount;

}

else if ( !strncmp((char *)pcRxString + 4, "/top2.htm", 9) )

{

// Build the dynamic page

file.data = s_cDynamicPage;

PrepareFrame1(s_cDynamicPage,pxNetCon);

file.len = strlen(s_cDynamicPage);

}