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authorLászló Monda <laci@monda.hu>2013-10-06 22:16:20 +0200
committerLászló Monda <laci@monda.hu>2013-10-06 22:16:20 +0200
commit9ef29ea2293dde7225360fe258224d22d3a68756 (patch)
tree8b97bebc31be97f73384a605ccc2f41b2a04d492 /Projects/MIDIToneGenerator
parentcd3aae87daa243413413ab9fc4e32c225c3bea03 (diff)
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Extract interface numbers into enums.
Diffstat (limited to 'Projects/MIDIToneGenerator')
-rw-r--r--Projects/MIDIToneGenerator/Descriptors.c4
-rw-r--r--Projects/MIDIToneGenerator/Descriptors.h16
-rw-r--r--Projects/MIDIToneGenerator/MIDIToneGenerator.c2
3 files changed, 16 insertions, 6 deletions
diff --git a/Projects/MIDIToneGenerator/Descriptors.c b/Projects/MIDIToneGenerator/Descriptors.c
index 5413f27f5..220d37dff 100644
--- a/Projects/MIDIToneGenerator/Descriptors.c
+++ b/Projects/MIDIToneGenerator/Descriptors.c
@@ -90,7 +90,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
- .InterfaceNumber = 0,
+ .InterfaceNumber = INTERFACE_ID_AudioControl,
.AlternateSetting = 0,
.TotalEndpoints = 0,
@@ -118,7 +118,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
- .InterfaceNumber = 1,
+ .InterfaceNumber = INTERFACE_ID_AudioStream,
.AlternateSetting = 0,
.TotalEndpoints = 2,
diff --git a/Projects/MIDIToneGenerator/Descriptors.h b/Projects/MIDIToneGenerator/Descriptors.h
index cb8789187..dab2fd5a6 100644
--- a/Projects/MIDIToneGenerator/Descriptors.h
+++ b/Projects/MIDIToneGenerator/Descriptors.h
@@ -79,15 +79,25 @@
USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_Out_Jack_Endpoint_SPC;
} USB_Descriptor_Configuration_t;
+ /** Enum for the device interface descriptor IDs within the device. Each interface descriptor
+ * should have a unique ID index associated with it, which can be used to refer to the
+ * interface from other descriptors.
+ */
+ enum InterfaceDescriptors_t
+ {
+ INTERFACE_ID_AudioControl = 0, /**< Audio control interface descriptor ID */
+ INTERFACE_ID_AudioStream = 1, /**< Audio stream interface descriptor ID */
+ };
+
/** Enum for the device string descriptor IDs within the device. Each string descriptor should
* have a unique ID index associated with it, which can be used to refer to the string from
* other descriptors.
*/
enum StringDescriptors_t
{
- STRING_ID_Language = 0, /**< Supported Languages string descriptor ID (must be zero) */
- STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
- STRING_ID_Product = 2, /**< Product string ID */
+ STRING_ID_Language = 0, /**< Supported Languages string descriptor ID (must be zero) */
+ STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
+ STRING_ID_Product = 2, /**< Product string ID */
};
/* Function Prototypes: */
diff --git a/Projects/MIDIToneGenerator/MIDIToneGenerator.c b/Projects/MIDIToneGenerator/MIDIToneGenerator.c
index 662c815bc..ed2d33420 100644
--- a/Projects/MIDIToneGenerator/MIDIToneGenerator.c
+++ b/Projects/MIDIToneGenerator/MIDIToneGenerator.c
@@ -44,7 +44,7 @@ USB_ClassInfo_MIDI_Device_t Keyboard_MIDI_Interface =
{
.Config =
{
- .StreamingInterfaceNumber = 1,
+ .StreamingInterfaceNumber = INTERFACE_ID_AudioStream,
.DataINEndpoint =
{
.Address = MIDI_STREAM_IN_EPADDR,