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/** @file
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* @brief MAVLink comm protocol option constants.
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* @see http://qgroundcontrol.org/mavlink/
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* Edited on Monday, August 8 2011
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _ML_OPTIONS_H_
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#define _ML_OPTIONS_H_
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/**
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*
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* Receive message length check option. On receive verify the length field
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* as soon as the message ID field is received. Requires a 256 byte const
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* table. Comment out the define to leave out the table and code to check it.
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*
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*/
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//#define MAVLINK_CHECK_LENGTH
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/**
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*
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* Receive message buffer option. This option should be used only when the
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* side effects are understood but allows the underlying program access to
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* the internal recieve buffer - eliminating the usual double buffering. It
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* also REQUIRES changes in the return type of mavlink_parse_char so only
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* enable if you make the changes required. Default DISABLED.
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*
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*/
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//#define MAVLINK_STATIC_BUFFER
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/**
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*
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* Receive message buffers option. This option defines how many msg buffers
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* mavlink will define, and thereby how many links it can support. A default
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* will be supplied if the symbol is not pre-defined, dependant on the make
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* envionment. The default is 16 for a recognised OS envionment and 1
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* otherwise.
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*
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*/
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#if !((defined MAVLINK_COMM_NB) | (MAVLINK_COMM_NB < 1))
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#undef MAVLINK_COMM_NB
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#if (defined linux) | (defined __linux) | (defined __MACH__) | (defined _WIN32) | (defined __APPLE__)
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#define MAVLINK_COMM_NB 16
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#else
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#define MAVLINK_COMM_NB 1
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#endif
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#endif
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/**
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*
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* Data relization option. This option controls inclusion of the file
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* mavlink_data.h in the current compile unit - thus defining mavlink's
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* variables. Default is ON (not defined) because typically mavlink.h is only
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* included once in a system but if it was used in two files there would
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* be duplicate variables at link time. Normal practice would be to define
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* this symbol outside of this file as defining it here will cause missing
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* symbols at link time. In other words in the first file to include mavlink.h
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* do not define this sybol, then define this symbol in all other files before
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* including mavlink.h
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*
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*/
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//#define MAVLINK_NO_DATA
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#ifdef MAVLINK_NO_DATA
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#undef MAVLINK_DATA
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#else
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#define MAVLINK_DATA
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#endif
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/**
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*
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* Custom data const data relization and access options.
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* This define is placed in the form
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* const uint8_t MAVLINK_CONST name[] = { ... };
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* for the keys table and (if applicable) lengths table to tell the compiler
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* were to put the data. The access option is placed in the form
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* variable = MAVLINK_CONST_READ( name[i] );
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* in order to allow custom read function's or accessors.
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* By default MAVLINK_CONST is defined as nothing and MAVLINK_CONST_READ as
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* MAVLINK_CONST_READ( a ) a
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* These symbols are only defined if not already defined allowing this file
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* to remain unchanged while the actual definitions are maintained in external
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* files.
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*
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*/
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#ifndef MAVLINK_CONST
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#define MAVLINK_CONST
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#endif
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#ifndef MAVLINK_CONST_READ
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#define MAVLINK_CONST_READ( a ) a
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#endif
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#endif /* _ML_OPTIONS_H_ */
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#ifdef __cplusplus
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}
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#endif
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