Fixed LowLevel PrinterHost demo not sending control requests to the attached printer with the correct printer interface wIndex value.

3 files changed, 12 insertions, 7 deletions

diff --git a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
index 024895991..ac0ca9a2b 100644
--- a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
+++ b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
@@ -86,7 +86,7 @@ uint8_t Printer_GetDeviceID(char* DeviceIDString,
 			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
 			.bRequest      = REQ_GetDeviceID,
 			.wValue        = 0,
-			.wIndex        = 0,
+			.wIndex        = PrinterInterfaceNumber,
 			.wLength       = sizeof(DeviceIDStringLength),
 		};
 		
@@ -130,11 +130,11 @@ uint8_t Printer_GetPortStatus(uint8_t* const PortStatus)
 {
 	USB_ControlRequest = (USB_Request_Header_t)
 		{
-			bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
-			bRequest:      REQ_GetPortStatus,
-			wValue:        0,
-			wIndex:        0,
-			wLength:       sizeof(uint8_t),
+			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+			.bRequest      = REQ_GetPortStatus,
+			.wValue        = 0,
+			.wIndex        = PrinterInterfaceNumber,
+			.wLength       = sizeof(uint8_t),
 		};
 
 	Pipe_SelectPipe(PIPE_CONTROLPIPE);
@@ -154,7 +154,7 @@ uint8_t Printer_SoftReset(void)
 			.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
 			.bRequest      = REQ_SoftReset,
 			.wValue        = 0,
-			.wIndex        = 0,
+			.wIndex        = PrinterInterfaceNumber,
 			.wLength       = 0,
 		};
 
diff --git a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h
index 8c3bd3316..3edfe434d 100644
--- a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h
+++ b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h
@@ -41,6 +41,8 @@
 		#include <string.h>
 
 		#include <LUFA/Drivers/USB/USB.h>
+		
+		#include "../PrinterHost.h"
 
 	/* Macros: */
 		/** Printer class-specific request to retrieve the printer's ID string. */
diff --git a/Demos/Host/LowLevel/PrinterHost/PrinterHost.h b/Demos/Host/LowLevel/PrinterHost/PrinterHost.h
index 78583f0e4..2ba270f7d 100644
--- a/Demos/Host/LowLevel/PrinterHost/PrinterHost.h
+++ b/Demos/Host/LowLevel/PrinterHost/PrinterHost.h
@@ -70,6 +70,9 @@
 		/** LED mask for the library LED driver, to indicate that the USB interface is busy. */
 		#define LEDMASK_USB_BUSY          LEDS_LED2
 	
+	/* External Variables: */
+		extern uint8_t PrinterInterfaceNumber;
+	
 	/* Function Prototypes: */
 		void EVENT_USB_Host_DeviceAttached(void);
 		void EVENT_USB_Host_DeviceUnattached(void);