Allow for overriding RAW endpoint usage page and ID. (qmk#8834)

* Allow for overriding RAW endpoint usage page and ID.

* Move usb_descriptor_common.h.

* Docs update.

docs/feature_rawhid.md

@@ -44,7 +44,11 @@ To connect your host computer to your keyboard with raw HID you need four pieces
 3. Usage Page
 4. Usage
 
-The first two can easily be found in your keyboard's `config.h` in the keyboard's main directory under `VENDOR_ID` and `PRODUCT_ID`. **Usage Page** is **`0xFF60`** and **Usage** is **`0x0061`**.
+The first two can easily be found in your keyboard's `config.h` in the keyboard's main directory under `VENDOR_ID` and `PRODUCT_ID`.
+
+The final two can be overridden in your keyboard's `config.h` in the keyboard's main directory by redefining the values: `#define RAW_USAGE_PAGE 0xFF60` and `#define RAW_USAGE_ID 0x61`.
+
+By default, **Usage Page** is `0xFF60` and **Usage** is `0x61`.
 
 ### Building your host
 

tmk_core/protocol/arm_atsam/usb/udi_hid_kbd.c

@@ -55,6 +55,7 @@
 #include "udi_hid_kbd.h"
 #include <string.h>
 #include "report.h"
+#include "usb_descriptor_common.h"
 
 //***************************************************************************
 // KBD
@@ -641,8 +642,8 @@ static uint8_t udi_hid_raw_report_recv[UDI_HID_RAW_REPORT_SIZE];
 
 COMPILER_WORD_ALIGNED
 UDC_DESC_STORAGE udi_hid_raw_report_desc_t udi_hid_raw_report_desc = {{
-    0x06, 0x60, 0xFF,  // Usage Page (Vendor Defined)
-    0x09, 0x61,        // Usage (Vendor Defined)
+    0x06, RAW_USAGE_PAGE_LO, RAW_USAGE_PAGE_HI,  // Usage Page (Vendor Defined)
+    0x09, RAW_USAGE_ID,        // Usage (Vendor Defined)
     0xA1, 0x01,        // Collection (Application)
     0x75, 0x08,        //   Report Size (8)
     0x15, 0x00,        //   Logical Minimum (0)

tmk_core/protocol/usb_descriptor.c

@@ -39,6 +39,7 @@
 #include "util.h"
 #include "report.h"
 #include "usb_descriptor.h"
+#include "usb_descriptor_common.h"
 
 // clang-format off
 
@@ -232,8 +233,8 @@ const USB_Descriptor_HIDReport_Datatype_t PROGMEM SharedReport[] = {
 
 #ifdef RAW_ENABLE
 const USB_Descriptor_HIDReport_Datatype_t PROGMEM RawReport[] = {
-    HID_RI_USAGE_PAGE(16, 0xFF60), // Vendor Defined
-    HID_RI_USAGE(8, 0x61),         // Vendor Defined
+    HID_RI_USAGE_PAGE(16, RAW_USAGE_PAGE), // Vendor Defined
+    HID_RI_USAGE(8, RAW_USAGE_ID),         // Vendor Defined
     HID_RI_COLLECTION(8, 0x01),    // Application
         // Data to host
         HID_RI_USAGE(8, 0x62),     // Vendor Defined

tmk_core/protocol/usb_descriptor_common.h

@@ -0,0 +1,31 @@
+/* Copyright 2020 Nick Brassel (tzarc)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/////////////////////
+// RAW Usage page and ID configuration
+
+#ifndef RAW_USAGE_PAGE
+#    define RAW_USAGE_PAGE 0xFF60
+#endif
+
+#ifndef RAW_USAGE_ID
+#    define RAW_USAGE_ID 0x61
+#endif
+
+#define RAW_USAGE_PAGE_HI ((uint8_t)(RAW_USAGE_PAGE >> 8))
+#define RAW_USAGE_PAGE_LO ((uint8_t)(RAW_USAGE_PAGE & 0xFF))

tmk_core/protocol/vusb/vusb.c

@@ -26,6 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "vusb.h"
 #include "print.h"
 #include "debug.h"
+#include "usb_descriptor_common.h"
 
 #ifdef RAW_ENABLE
 #    include "raw_hid.h"
@@ -409,9 +410,9 @@ const PROGMEM uchar keyboard_hid_report[] = {
 
 #ifdef RAW_ENABLE
 const PROGMEM uchar raw_hid_report[] = {
-    0x06, 0x60, 0xFF,  // Usage Page (Vendor Defined)
-    0x09, 0x61,        // Usage (Vendor Defined)
-    0xA1, 0x01,        // Collection (Application)
+    0x06, RAW_USAGE_PAGE_LO, RAW_USAGE_PAGE_HI,  // Usage Page (Vendor Defined)
+    0x09, RAW_USAGE_ID,                          // Usage (Vendor Defined)
+    0xA1, 0x01,                                  // Collection (Application)
     // Data to host
     0x09, 0x62,             //   Usage (Vendor Defined)
     0x15, 0x00,             //   Logical Minimum (0)