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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-01-05 13:52:34 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-01-05 13:52:34 +0000 |
| commit | d97db1120b2b5911a3ea7d77efb9b913b8727bdb (patch) | |
| tree | c51e1ddfab5f8c53f95db8016e0eaefc2cf9c36d /LUFA/Drivers/USB/Class/Host/CDC.h | |
| parent | 60e96412220b62a614348c287354c56f282fcc70 (diff) | |
| download | lufa-d97db1120b2b5911a3ea7d77efb9b913b8727bdb.tar.gz lufa-d97db1120b2b5911a3ea7d77efb9b913b8727bdb.tar.bz2 lufa-d97db1120b2b5911a3ea7d77efb9b913b8727bdb.zip | |
Added support to the MIDI Class drivers for packed data, where multiple MIDI events are packed into a single USB packet. Added new MIDI Class driver flush routines to override packing behaviour.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/CDC.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDC.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.h b/LUFA/Drivers/USB/Class/Host/CDC.h index 20ee3209e..dbc1f9e42 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.h +++ b/LUFA/Drivers/USB/Class/Host/CDC.h @@ -175,7 +175,9 @@ uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a given string to the attached USB device, if connected. If a device is not connected when the function is called, the
- * string is discarded.
+ * string is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the
+ * \ref CDC_Host_Flush() function is called to flush the pending data to the host. This allows for multiple bytes to be
+ * packed into a single pipe packet, increasing data throughput.
*
* \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
@@ -189,8 +191,10 @@ uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, const uint16_t Length)
ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
- /** Sends a given byte to the attached USB device, if connected. If a host is not connected when the function is called, the
- * byte is discarded.
+ /** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the
+ * byte is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the
+ * \ref CDC_Host_Flush() function is called to flush the pending data to the host. This allows for multiple bytes to be
+ * packed into a single pipe packet, increasing data throughput.
*
* \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
|