Fixes to the MIDI device demos (ClassDriver, LowLevel); discard unused read-in events from the host, use standard MIDI event structure in low level demo rather than sending individual bytes.
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28343b1475
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6be24e4404
8 changed files with 61 additions and 73 deletions
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@ -52,10 +52,10 @@
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/* Macros: */
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/** MIDI command for a note on (activation) event */
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#define MIDI_COMMAND_NOTE_ON 0x90
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#define MIDI_COMMAND_NOTE_ON 0x09
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/** MIDI command for a note off (deactivation) event */
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#define MIDI_COMMAND_NOTE_OFF 0x80
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#define MIDI_COMMAND_NOTE_OFF 0x08
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/** Standard key press velocity value used for all note events, as no pressure sensor is mounted */
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#define MIDI_STANDARD_VELOCITY 64
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@ -78,6 +78,18 @@
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/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
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#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
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/* Type Defines: */
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/** Type define for a USB MIDI event packet, used to encapsulate sent and received MIDI messages from a USB MIDI interface. */
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typedef struct
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{
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unsigned char Command : 4; /**< MIDI command being sent or received in the event packet */
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unsigned char CableNumber : 4; /**< Virtual cable number of the event being sent or received in the given MIDI interface */
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uint8_t Data1; /**< First byte of data in the MIDI event */
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uint8_t Data2; /**< Second byte of data in the MIDI event */
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uint8_t Data3; /**< Third byte of data in the MIDI event */
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} USB_MIDI_EventPacket_t;
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/* Function Prototypes: */
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void SetupHardware(void);
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@ -86,9 +98,5 @@
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void EVENT_USB_Connect(void);
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void EVENT_USB_Disconnect(void);
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void EVENT_USB_ConfigurationChanged(void);
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void SendMIDINoteChange(const uint8_t Pitch, const bool OnOff,
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const uint8_t CableID, const uint8_t Channel);
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void UpdateStatus(uint8_t CurrentStatus);
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#endif
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