Diff: USBHost/USBHostHub/USBHostHub.h

Revision:

1:0dac72ab5910

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHostHub/USBHostHub.h	Wed Jun 05 04:54:37 2019 +0000
@@ -0,0 +1,126 @@
+/* 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 USBHOSTHUB_H
+#define USBHOSTHUB_H
+
+#include "USBHostConf.h"
+
+#if MAX_HUB_NB
+
+#include "USBHostTypes.h"
+#include "IUSBEnumerator.h"
+
+class USBHost;
+class USBDeviceConnected;
+class USBEndpoint;
+
+/**
+ * A class to use a USB Hub
+ */
+class USBHostHub : public IUSBEnumerator
+{
+public:
+    /**
+    * Constructor
+    */
+    USBHostHub();
+
+    /**
+    * Check if a USB Hub is connected
+    *
+    * @return true if a serial device is connected
+    */
+    bool connected();
+
+    /**
+     * Try to connect device
+     *
+     * @param dev device to connect
+     * @return true if connection was successful
+     */
+    bool connect(USBDeviceConnected * dev);
+
+    /**
+    * Automatically called by USBHost when a device
+    * has been enumerated by usb_thread
+    *
+    * @param dev device connected
+    */
+    void deviceConnected(USBDeviceConnected * dev);
+
+    /**
+    * Automatically called by USBHost when a device
+    * has been disconnected from this hub
+    *
+    * @param dev device disconnected
+    */
+    void deviceDisconnected(USBDeviceConnected * dev);
+
+    /**
+    * Rest a specific port
+    *
+    * @param port port number
+    */
+    void portReset(uint8_t port);
+
+    /*
+    * Called by USBHost to set the instance of USBHost
+    *
+    * @param host host instance
+    */
+    void setHost(USBHost * host);
+
+    /**
+    * Called by USBhost when a hub has been disconnected
+    */
+    void hubDisconnected();
+
+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;
+    bool dev_connected;
+    USBEndpoint * int_in;
+    uint8_t nb_port;
+    uint8_t hub_characteristics;
+
+    void rxHandler();
+
+    uint8_t buf[sizeof(HubDescriptor)];
+
+    int hub_intf;
+    bool hub_device_found;
+
+    void setPortFeature(uint32_t feature, uint8_t port);
+    void clearPortFeature(uint32_t feature, uint8_t port);
+    uint32_t getPortStatus(uint8_t port);
+
+    USBDeviceConnected * device_children[MAX_HUB_PORT];
+
+    void init();
+    void disconnect();
+
+};
+
+#endif
+
+#endif