diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/MIDI.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/MIDI.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.h b/LUFA/Drivers/USB/Class/Device/MIDI.h index bccaa2037..3899f6e71 100644 --- a/LUFA/Drivers/USB/Class/Device/MIDI.h +++ b/LUFA/Drivers/USB/Class/Device/MIDI.h @@ -113,6 +113,9 @@ /** Sends a MIDI event packet to the host. If no host is connected, the event packet is discarded.
*
+ * \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
+ * the call will fail.
+ *
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state
* \param[in] Event Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send
*
@@ -123,6 +126,9 @@ /** Receives a MIDI event packet from the host.
*
+ * \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
+ * the call will fail.
+ *
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state
* \param[out] Event Pointer to a USB_MIDI_EventPacket_t structure where the received MIDI event is to be placed
*
|