Add static keyword to all project globals whose scope should be restricted to the...

[pub/lufa.git] / Bootloaders / HID / Descriptors.c

diff --git a/Bootloaders/HID/Descriptors.c b/Bootloaders/HID/Descriptors.c
index 0a63b79..f79d346 100644 (file)
--- a/Bootloaders/HID/Descriptors.c
+++ b/Bootloaders/HID/Descriptors.c
@@ -43,12 +43,12 @@
  *  the device will send, and what it may be sent back from the host. Refer to the HID specification for\r
  *  more details on HID report descriptors.\r
  */\r
-USB_Descriptor_HIDReport_Datatype_t HIDReport[] =\r
+const USB_Descriptor_HIDReport_Datatype_t HIDReport[] =\r
 {\r
-       HID_RI_USAGE_PAGE(16, 0xFF00), /* Vendor Page 1 */\r
-       HID_RI_USAGE(8, 0x01), /* Vendor Usage 1 */\r
+       HID_RI_USAGE_PAGE(16, 0xFFDC), /* Vendor Page 0xDC */\r
+       HID_RI_USAGE(8, 0xFB), /* Vendor Usage 0xFB */\r
        HID_RI_COLLECTION(8, 0x01), /* Vendor Usage 1 */\r
-           HID_RI_USAGE(8, 0x03), /* Vendor Usage 3 */\r
+           HID_RI_USAGE(8, 0x02), /* Vendor Usage 2 */\r
            HID_RI_LOGICAL_MINIMUM(8, 0x00),\r
            HID_RI_LOGICAL_MAXIMUM(8, 0xFF),\r
            HID_RI_REPORT_SIZE(8, 0x08),\r
@@ -62,7 +62,7 @@ USB_Descriptor_HIDReport_Datatype_t HIDReport[] =
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration\r
  *  process begins.\r
  */\r
-USB_Descriptor_Device_t DeviceDescriptor =\r
+const USB_Descriptor_Device_t DeviceDescriptor =\r
 {\r
        .Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},\r
 \r
@@ -89,7 +89,7 @@ USB_Descriptor_Device_t DeviceDescriptor =
  *  and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting\r
  *  a configuration so that the host may correctly communicate with the USB device.\r
  */\r
-USB_Descriptor_Configuration_t ConfigurationDescriptor =\r
+const USB_Descriptor_Configuration_t ConfigurationDescriptor =\r
 {\r
        .Config = \r
                {\r
@@ -154,33 +154,23 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
                                     const uint8_t wIndex,\r
                                     const void** const DescriptorAddress)\r
 {\r
-       const uint8_t DescriptorType   = (wValue >> 8);\r
+       const uint8_t DescriptorType = (wValue >> 8);\r
 \r
        const void* Address = NULL;\r
        uint16_t    Size    = NO_DESCRIPTOR;\r
        \r
-       /* If/Else If chain compiles slightly smaller than a switch case */\r
        if (DescriptorType == DTYPE_Device)\r
-       {\r
-               Address = &DeviceDescriptor;\r
-               Size    = sizeof(USB_Descriptor_Device_t);      \r
-       }\r
+         Address = &DeviceDescriptor;\r
        else if (DescriptorType == DTYPE_Configuration)\r
-       {\r
-               Address = &ConfigurationDescriptor;\r
-               Size    = sizeof(USB_Descriptor_Configuration_t);       \r
-       }\r
+         Address = &ConfigurationDescriptor;\r
        else if (DescriptorType == HID_DTYPE_HID)\r
-       {\r
-               Address = &ConfigurationDescriptor.HID_VendorHID;\r
-               Size    = sizeof(USB_HID_Descriptor_HID_t);\r
-       }\r
+         Address = &ConfigurationDescriptor.HID_VendorHID;\r
        else\r
-       {\r
-               Address = &HIDReport;\r
-               Size    = sizeof(HIDReport);\r
-       }\r
+         Address = &HIDReport;\r
 \r
+       if (Address != NULL)\r
+         Size = (Address == &HIDReport) ? sizeof(HIDReport) : ((USB_Descriptor_Header_t*)Address)->Size;\r
+       \r
        *DescriptorAddress = Address;\r
        return Size;\r
 }\r