Move USB Host Shield and Arduino core to lib/ (#13973)

lib/usbhost/USB_Host_Shield_2.0/BTHID.h

@@ -0,0 +1,155 @@
+/* Copyright (C) 2013 Kristian Lauszus, TKJ Electronics. All rights reserved.
+
+ This software may be distributed and modified under the terms of the GNU
+ General Public License version 2 (GPL2) as published by the Free Software
+ Foundation and appearing in the file GPL2.TXT included in the packaging of
+ this file. Please note that GPL2 Section 2[b] requires that all works based
+ on this software must also be made publicly available under the terms of
+ the GPL2 ("Copyleft").
+
+ Contact information
+ -------------------
+
+ Kristian Lauszus, TKJ Electronics
+ Web      :  http://www.tkjelectronics.com
+ e-mail   :  kristianl@tkjelectronics.com
+ */
+
+#ifndef _bthid_h_
+#define _bthid_h_
+
+#include "BTD.h"
+#include "hidboot.h"
+
+#define KEYBOARD_PARSER_ID      0
+#define MOUSE_PARSER_ID         1
+#define NUM_PARSERS             2
+
+/** This BluetoothService class implements support for Bluetooth HID devices. */
+class BTHID : public BluetoothService {
+public:
+        /**
+         * Constructor for the BTHID class.
+         * @param  p   Pointer to the BTD class instance.
+         * @param  pair   Set this to true in order to pair with the device. If the argument is omitted then it will not pair with it. One can use ::PAIR to set it to true.
+         * @param  pin   Write the pin to BTD#btdPin. If argument is omitted, then "0000" will be used.
+         */
+        BTHID(BTD *p, bool pair = false, const char *pin = "0000");
+
+        /** @name BluetoothService implementation */
+        /** Used this to disconnect the devices. */
+        void disconnect();
+        /**@}*/
+
+        /**
+         * Get HIDReportParser.
+         * @param  id ID of parser.
+         * @return    Returns the corresponding HIDReportParser. Returns NULL if id is not valid.
+         */
+        HIDReportParser *GetReportParser(uint8_t id) {
+                if (id >= NUM_PARSERS)
+                        return NULL;
+                return pRptParser[id];
+        };
+
+        /**
+         * Set HIDReportParser to be used.
+         * @param  id  Id of parser.
+         * @param  prs Pointer to HIDReportParser.
+         * @return     Returns true if the HIDReportParser is set. False otherwise.
+         */
+        bool SetReportParser(uint8_t id, HIDReportParser *prs) {
+                if (id >= NUM_PARSERS)
+                        return false;
+                pRptParser[id] = prs;
+                return true;
+        };
+
+        /**
+         * Set HID protocol mode.
+         * @param mode HID protocol to use. Either HID_BOOT_PROTOCOL or HID_RPT_PROTOCOL.
+         */
+        void setProtocolMode(uint8_t mode) {
+                protocolMode = mode;
+        };
+
+        /**
+         * Used to set the leds on a keyboard.
+         * @param data See KBDLEDS in hidboot.h
+         */
+        void setLeds(uint8_t data);
+
+        /** True if a device is connected */
+        bool connected;
+
+        /** Call this to start the paring sequence with a device */
+        void pair(void) {
+                if(pBtd)
+                        pBtd->pairWithHID();
+        };
+
+protected:
+        /** @name BluetoothService implementation */
+        /**
+         * Used to pass acldata to the services.
+         * @param ACLData Incoming acldata.
+         */
+        void ACLData(uint8_t* ACLData);
+        /** Used to run part of the state machine. */
+        void Run();
+        /** Use this to reset the service. */
+        void Reset();
+        /**
+         * Called when a device is successfully initialized.
+         * Use attachOnInit(void (*funcOnInit)(void)) to call your own function.
+         * This is useful for instance if you want to set the LEDs in a specific way.
+         */
+        void onInit() {
+                if(pFuncOnInit)
+                        pFuncOnInit(); // Call the user function
+                OnInitBTHID();
+        };
+        /**@}*/
+
+        /** @name Overridable functions */
+        /**
+         * Used to parse Bluetooth HID data to any class that inherits this class.
+         * @param len The length of the incoming data.
+         * @param buf Pointer to the data buffer.
+         */
+        virtual void ParseBTHIDData(uint8_t len, uint8_t *buf) {
+                return;
+        };
+        /** Called when a device is connected */
+        virtual void OnInitBTHID() {
+                return;
+        };
+        /** Used to reset any buffers in the class that inherits this */
+        virtual void ResetBTHID() {
+                return;
+        }
+        /**@}*/
+
+        /** L2CAP source CID for HID_Control */
+        uint8_t control_scid[2];
+
+        /** L2CAP source CID for HID_Interrupt */
+        uint8_t interrupt_scid[2];
+
+private:
+        HIDReportParser *pRptParser[NUM_PARSERS]; // Pointer to HIDReportParsers.
+
+        /** Set report protocol. */
+        void setProtocol();
+        uint8_t protocolMode;
+
+        void L2CAP_task(); // L2CAP state machine
+
+        bool activeConnection; // Used to indicate if it already has established a connection
+
+        /* Variables used for L2CAP communication */
+        uint8_t control_dcid[2]; // L2CAP device CID for HID_Control - Always 0x0070
+        uint8_t interrupt_dcid[2]; // L2CAP device CID for HID_Interrupt - Always 0x0071
+        uint8_t l2cap_state;
+};
+#endif