midiUtil.c File Reference

Functions
uq16_16	bendPitchWheel (uint8_t noteId, uint16_t pitchWheel)
	Calculate the frequency of a MIDI note bent by a pitch wheel setting.
uq16_16	bendPitchFreq (uq16_16 freq, int32_t bendCents)
	Calculate the new note frequency resulting from a pitch bend.

Function Documentation

bendPitchWheel()

uq16_16 bendPitchWheel	(	uint8_t	noteId,
		uint16_t	pitchWheel )

Calculate the frequency of a MIDI note bent by a pitch wheel setting.

Parameters

noteId	The MIDI note ID to bend
pitchWheel	The 14-bit MIDI pitch wheel value

Returns

uq16_16 The note frequency as a UQ16.16 value

bendPitchFreq()

uq16_16 bendPitchFreq	(	uq16_16	freq,
		int32_t	bendCents )

Calculate the new note frequency resulting from a pitch bend.

Parameters

freq	The frequency, in Hertz, of the note
bendCents	The number of cents to bend the note, between -100 and 100 inclusive

Returns

uq16_16 The note frequency as a UQ16.16 value