IDEC MicroSmart Pentra - Manual (Page 156)

A PPENDIX
A-2 W EB S ERVER CPU M ODULE U SER ’ S M ANUAL FC9Y-B1278
Request Format (Writing Device Data)
Device data can be written to the Web server CPU module with the following format using the POST method.
/system/device_write.cgi?device=DEV&address=XXXX&length=XXXX&driver=XX&net_no=XX&data=XXXX
The CGI parameters are as follows:
When the length is bigger than or equal to 2, insert “_“ between the values to write to the data registers.
Example: When writing 49910 (C2F6h) to D2058 and 59768(E978h) to D2059, the format for CGI is as follows:
/system/device_write.cgi?device=D&address=080A&length=0002&driver=00&net_no=00&data=C2F6_E978
Reply Format (Writing Device Data)
The Web server CPU module returns the following reply after receiving above request.
Content-type: text/javascript+json; charset=utf-8
{
"STATUS":"0",
"DEVICE":"D",
"ADDRESS":"080A",
"LENGTH":"0002",
"DRIVER":"00",
"NET_NO":"00",
}
STATUS: 0 indicates normal reply. Any other values indicate an error.
DEVICE, ADDRESS, LENGTH, DRIVER, and NET_NO: The parameters in the request are stored.
/system/device_write.cgi : CGI file name
device : Specify the device type of the target device using a character. "D" (Data Register) is supported.
address : Specify the device number of the target device in hexadecimal.
length : Specify the number of data registers to write in hexadecimal. The valid range is 1 to 64 (0001h to
0040h).
driver : Reserved for the system. Specify “00”.
net_no : Reserved for the system. Specify “00”.
data : Specify the values to write to the target data registers in hexadecimal.