Component: DFPlayer (MP3 / WAV) (Audio Output)

DFPlayer (MP3 / WAV) component

A small module capable of streaming MP3 and WAV audio files from a micro SD card. Controlled via a serial UART connection to the microcontroller.

Please click here for the component source code: FC_Comp_Source_DFPlayer.fcfx

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	PausePlayResetStop
Allows the current playing track to be paused, restarted or reset
- UINT	Mode
0=Pause, 1=Play, 2=Reset, 3=Stop
- VOID	Return

	SendCommand
Sends a command to the DFPlayer module
- BYTE	Command
Command code byte
- BOOL	Feedback
Collect feedback byte: Range 0-1
- UINT	Parameter
16-bit Parameter
- VOID	Return

	IsReplyAvailable
Checks to see if new data has been received from the module. Returns true when new data is available. Collect the data using the GetReplyByte macro.
- BOOL	Return

	SetVolume
Sets the volume level for the module
- BYTE	Volume
Range: 0 (min) - 30 (max)
- VOID	Return

	SetEQ
Sets the equaliser mode for the module
- BYTE	EQMode
Range: 0-5 0=Normal, 1=Pop, 2=Rock, 3=Jazz, 4=Classic, 5=Bass
- VOID	Return

	GetError
Checks for any errors and returns the error code. 1=ModuleBusy, 2=SleepMode, 3=SerialError, 4=ChecksumError, 5=TrackOutOfScope, 6=TrackNotFound, 7=InsertionError, 8=SDFail, 10=Sleep
- BYTE	Return

	WhilePlaying
Blocking function that waits for module to stop being busy. Returns true if the module is still busy and the timeout period has passed.
- UINT	Timeout
Number of milliseconds to wait, 0=WaitForever
- BOOL	Return

	IsPlaying
Checks to see if the last played track is still playing
- BOOL	Return

	GetReplyByte
Reads a single byte from the last reply. Each reply contains 4 bytes starting with the command code.
- BYTE	Index
Range: 0-3 / 0=Command, 1=Feedback, 2=Data MSB, 3=Data LSB
- BYTE	Return

	SkipTrack
Jump to the next or previous track
- BOOL	Direction
0=Next, 1=Previous
- VOID	Return

	PlayTrack
Plays track from the selected folder. MP3 & Advert folder track numbers should be 4 characters long e.g. 0001 any name.mp3, Other folder track numbers should be 3 characters long e.g. 001 Any name.mp3, Root the Track played in placement order.
- BYTE	Directory
0=Root, 1=Folder "01" - 99=Folder "99", 100=MP3, 101=Advert
- UINT	Track
Track number 1="001.MP3" / "0001.MP3", 100="100.MP3" / "0100.MP3"
- VOID	Return

	Initialise
Sets up the UART and does some housekeeping. Must be called before calling any of the other component macros.
- VOID	Return

	Properties
	Connections
	Channel
UART Channel selector Software channels are bit banged using generic I/O pins but are not as reliable as hardware channels. Hardware channels use the selected peripheral on-board the target microcontroller.
	Baud Options
Baud rate option selector
	Baud Rate

	TX
Pin to be used for Transmit data
	RX
Pin to be used for Receive data
	Use Busy Pin
Controls if we are monitoring the busy pin or not. Used by the IfBusy component macro.
	Simulation
	Scope Traces
Selects if the scope traces are automatically added to the data recorder window or not. Simulation - draws an approximation of the UART data onto the scope trace. ICT - sets up the scope trace for incoming data and adds UART packet decoding at the correct BAUD.
	Console Data
Selects if the console data is automatically generated or not
	Console Format
Controls if the data is shown as a log with time and date stamps or just as raw data
	Console Columns
Number of characters that can be displayed on a single line of the console.
	Data Source
Simulation data source used to allow the component to connect to various remote devices Nothing - Simulation data is ignored COM port - Routes the communication data to and from a physical or virtual COM port API - Routes the communication data via a data API component on the Panel.
	API
Selects which API component to route the communication data via. Add API components to the panel before they will be available in this list. API components are available from the Comms component category.