Diff: USBHost/USBHostHID/USBHostMouse.h

Revision:

1:0dac72ab5910

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHostHID/USBHostMouse.h	Wed Jun 05 04:54:37 2019 +0000
@@ -0,0 +1,144 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef USBHOSTMOUSE_H
+#define USBHOSTMOUSE_H
+
+#include "USBHostConf.h"
+
+#if USBHOST_MOUSE
+
+#include "USBHost.h"
+
+/**
+ * A class to communicate a USB mouse
+ */
+class USBHostMouse : public IUSBEnumerator
+{
+public:
+
+    /**
+    * Constructor
+    */
+    USBHostMouse();
+
+    /**
+     * Try to connect a mouse device
+     *
+     * @return true if connection was successful
+     */
+    bool connect();
+
+    /**
+    * Check if a mouse is connected
+    *
+    * @returns true if a mouse is connected
+    */
+    bool connected();
+
+    /**
+     * Attach a callback called when a mouse event is received
+     *
+     * @param ptr function pointer
+     */
+    inline void attachEvent(void (*ptr)(uint8_t buttons, int8_t x, int8_t y, int8_t z))
+    {
+        if (ptr != NULL) {
+            onUpdate = ptr;
+        }
+    }
+
+    /**
+     * Attach a callback called when the button state changes
+     *
+     * @param ptr function pointer
+     */
+    inline void attachButtonEvent(void (*ptr)(uint8_t buttons))
+    {
+        if (ptr != NULL) {
+            onButtonUpdate = ptr;
+        }
+    }
+
+    /**
+     * Attach a callback called when the X axis value changes
+     *
+     * @param ptr function pointer
+     */
+    inline void attachXEvent(void (*ptr)(int8_t x))
+    {
+        if (ptr != NULL) {
+            onXUpdate = ptr;
+        }
+    }
+
+    /**
+     * Attach a callback called when the Y axis value changes
+     *
+     * @param ptr function pointer
+     */
+    inline void attachYEvent(void (*ptr)(int8_t y))
+    {
+        if (ptr != NULL) {
+            onYUpdate = ptr;
+        }
+    }
+
+    /**
+     * Attach a callback called when the Z axis value changes (scrolling)
+     *
+     * @param ptr function pointer
+     */
+    inline void attachZEvent(void (*ptr)(int8_t z))
+    {
+        if (ptr != NULL) {
+            onZUpdate = ptr;
+        }
+    }
+
+protected:
+    //From IUSBEnumerator
+    virtual void setVidPid(uint16_t vid, uint16_t pid);
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+private:
+    USBHost * host;
+    USBDeviceConnected * dev;
+    USBEndpoint * int_in;
+    uint8_t report[64];
+    bool dev_connected;
+    bool mouse_device_found;
+    int mouse_intf;
+
+    uint8_t buttons;
+    int8_t x;
+    int8_t y;
+    int8_t z;
+
+    void rxHandler();
+    void (*onUpdate)(uint8_t buttons, int8_t x, int8_t y, int8_t z);
+    void (*onButtonUpdate)(uint8_t buttons);
+    void (*onXUpdate)(int8_t x);
+    void (*onYUpdate)(int8_t y);
+    void (*onZUpdate)(int8_t z);
+    int report_id;
+    void init();
+};
+
+#endif
+
+#endif