diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/Printer.h')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/Printer.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/Printer.h b/LUFA/Drivers/USB/Class/Host/Printer.h index b7a1ae7a3..c424dafab 100644 --- a/LUFA/Drivers/USB/Class/Host/Printer.h +++ b/LUFA/Drivers/USB/Class/Host/Printer.h @@ -156,6 +156,9 @@ * printer is able to understand - for example, PCL data. Not all printers accept all printer languages; see
* \ref PRNT_Host_GetDeviceID() for details on determining acceptable languages for an attached printer.
*
+ * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * call will fail.
+ *
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state
* \param[in] PrinterCommands Pointer to a buffer containing the raw command stream to send to the printer
* \param[in] CommandSize Size in bytes of the command stream to be sent
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