MD_MIDIHelper.cpp File Reference

Main file for helper functions implementation. More...

#include <string.h>
#include <MD_MIDIFile.h>
#include "MD_MIDIHelper.h"

Include dependency graph for MD_MIDIHelper.cpp:

Functions
uint32_t	readMultiByte (SDFILE *f, uint8_t nLen)
uint32_t	readVarLen (SDFILE *f)

Detailed Description

Main file for helper functions implementation.

Function Documentation

readMultiByte()

uint32_t readMultiByte	(	SDFILE *	f,
		uint8_t	nLen
	)

Read a multi byte value from the input stream

SMF contain numbers that are fixed length. This function reads these from the input file.

Parameters

*f	pointer to SDFile object to use for reading.
nLen	one of MB_LONG, MB_TRYTE, MB_WORD, MB_BYTE to specify the number of bytes to read.

Returns

the value read as a 4 byte integer. This should be cast to the expected size if required.

readVarLen()

uint32_t readVarLen

(

SDFILE *

f

)

Read a variable length parameter from the input stream

SMF contain numbers that are variable length, with the last byte of the number identified with bit 7 set. This function reads these from the input file.

Parameters

*f	pointer to SDFile object to use for reading.

Returns

the value read as a 4 byte integer. This should be cast to the expected size if required.