mIoTa BASIC > mIoTa BASIC Language Reference > O/S Variables

The following is a list of the the System variables ('S' prefix). S128 and onwards are Read-Only variables.

These are variables associated with general system setting that aren't covered by the other O/S Variable groups.

Click a variable name to view a more comprehensive description.

Read/Write Variables

mIoTa ID	Friendly Name (in mIoTa BASIC only)	Data Type	Brief Description
S0	NTP_ServerURL	String[30]	The URL of the NTP server on the internet used to obtain the UTC time and date.
S1	TimeZoneDSTOffset	DoubleWord	The offset added to the UTC time to correct for time zone or daylight time saving.
S2	HTTP_Port	Word	The TCP port used by the HTTP server on which to the serve web pages.
S3	HTTP_Username	String[16]	The HTTP Basic Authenication Username.
S4	HTTP_Password	String[16]	The HTTP Basic Authenication Password.
S5	HTTP_RootDirectory	String[14]	The SD-Card directory used by the HTTP server as the base web page directory.
S6	HTTP_UploadDirectory	String[14]	The SD-Card directory used by the HTTP server as the base for uploaded files.
S7	UDP_ChecksumEnable	Boolean	Determines if a Checksum is used on outgoing UDP packets.

Read Only Variables

mIoTa ID	Friendly Name (in mIoTa BASIC only)	Data Type	Brief Description
S128	UTC_Time	DoubleWord	The UTC time and date as obtained from internet plus the TimeZoneDSTOffset(S1).
S129	NetInterface	Byte	The interface (Ethernet or WiFi) currently being used.
S130	APMode	Boolean	Whether the mIoTa is operating in Access Point mode.
S131	IPAddress	IPAddress	The current IPv4 address of the mIoTa on the current network interface (NetInterface).
S132	SubnetMask	IPAddress	The current Subnet Mask being used by the mIoTa on the current network interface (NetInterface).
S133	Gateway	IPAddress	The current Gateway IPv4 address being used on the current network interface (NetInterface).
S134	PrimaryDNS	IPAddress	The current Primary DNS IPv4 address being used on the current network interface (NetInterface).
S135	SecondaryDNS	IPAddress	The current Secondary DNS IPv4 address being used on the current network interface (NetInterface).
S136	MACAddress	MACAddress	The current MAC address of the current network interface (NetInterface).
S137	NetBIOSName	String[16]	The current NetBIOS name of the mIoTa on the current network interface (NetInterface).
S138	DHCPEnable	Boolean	Whether the mIoTa is using DHCP on the current network interface (NetInterface).

System (S)