Diff: LPC4088-USBHost/USBHost/USBHost.h

Revision:

0:c972ee42b455

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC4088-USBHost/USBHost/USBHost.h	Thu Apr 24 05:38:45 2014 +0000
@@ -0,0 +1,189 @@
+/* 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.
+ */
+
+#pragma once
+#include "mbed.h"
+#include "USBHALHost.h"
+#include "USBDeviceConnected.h"
+#include "IUSBEnumerator.h"
+#include "USBHostConf.h"
+#include "dbg.h"
+#include "myvector.h"
+
+// USB STANDARD REQUEST DEFINITIONS
+#define  USB_DESCRIPTOR_TYPE_STRING         3
+#define  USB_DESCRIPTOR_TYPE_HUB         0x29
+
+#pragma pack(push,1)
+struct StringDescriptor {// offset
+    uint8_t bLength;          // +0
+    uint8_t bDescriptorType;  // +1
+    char bString[0];          // +2
+}; 
+#pragma pack(pop)
+
+/**
+* USBHost class
+*   This class is a singleton. All drivers have a reference on the static USBHost instance
+*/
+class USBHost : public USBHALHost {
+public:
+    /**
+    * Static method to create or retrieve the single USBHost instance
+    */    
+    static USBHost* getHostInst();
+
+    /**
+    * Control read: setup stage, data stage and status stage
+    *
+    * @param dev the control read will be done for this device
+    * @param requestType request type
+    * @param request request
+    * @param value value
+    * @param index index
+    * @param buf pointer on a buffer where will be store the data received
+    * @param len length of the transfer
+    *
+    * @returns status of the control read
+    */
+    USB_TYPE controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len);
+
+    /**
+    * Control write: setup stage, data stage and status stage
+    *
+    * @param dev the control write will be done for this device
+    * @param requestType request type
+    * @param request request
+    * @param value value
+    * @param index index
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    *
+    * @returns status of the control write
+    */
+    USB_TYPE controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len);
+
+    /**
+    * Bulk read
+    *
+    * @param dev the bulk transfer will be done for this device
+    * @param ep USBEndpoint which will be used to read a packet
+    * @param buf pointer on a buffer where will be store the data received
+    * @param len length of the transfer
+    * @param blocking if true, the read is blocking (wait for completion)
+    *
+    * @returns status of the bulk read
+    */
+    USB_TYPE bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+    /**
+    * Bulk write
+    *
+    * @param dev the bulk transfer will be done for this device
+    * @param ep USBEndpoint which will be used to write a packet
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    * @param blocking if true, the write is blocking (wait for completion)
+    *
+    * @returns status of the bulk write
+    */
+    USB_TYPE bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+    /**
+    * Interrupt read
+    *
+    * @param dev the interrupt transfer will be done for this device
+    * @param ep USBEndpoint which will be used to write a packet
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    * @param blocking if true, the read is blocking (wait for completion)
+    *
+    * @returns status of the interrupt read
+    */
+    USB_TYPE interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+    /**
+    * Interrupt write
+    *
+    * @param dev the interrupt transfer will be done for this device
+    * @param ep USBEndpoint which will be used to write a packet
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    * @param blocking if true, the write is blocking (wait for completion)
+    *
+    * @returns status of the interrupt write
+    */
+    USB_TYPE interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+    /**
+    * Enumerate a device.
+    *
+    * @param dev device which will be enumerated
+    *
+    * @returns status of the enumeration
+    */
+    USB_TYPE enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator);
+
+    /**
+    * Get a device
+    *
+    * @param index index of the device which will be returned
+    *
+    * @returns pointer on the "index" device
+    */
+    USBDeviceConnected * getDevice(uint8_t index) {
+        return index < DeviceLists.size() ? DeviceLists[index] : NULL;
+    }
+
+    /**
+     *  register a driver into the host associated with a callback function called when the device is disconnected
+     *
+     *  @param dev device
+     *  @param intf interface number
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template<typename T>
+    void registerDriver(USBDeviceConnected * dev, uint8_t intf, T* tptr, void (T::*mptr)(void)) {
+    }
+
+    // LPC4088-USBHost extensions
+    USB_TYPE controlRead(USBEndpoint* ep, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t* buf, uint32_t len);
+    USB_TYPE controlWrite(USBEndpoint* ep, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t* buf, uint32_t len);
+    static void poll();
+
+private:
+    USBHost();
+    static USBHost* inst;
+    virtual bool addDevice(USBDeviceConnected* parent, int port, bool lowSpeed);
+    void root_enumeration(USBDeviceConnected* dev);
+    void parseConfDescr(USBDeviceConnected* dev, uint8_t* conf_descr, uint32_t len, IUSBEnumerator* pEnumerator);
+    myvector<USBDeviceConnected*>DeviceLists;
+
+    void task();
+    EndpointQueue ep_queue;
+
+    // USB HUB
+    bool Hub(USBDeviceConnected* dev);
+    int SetPortPower(USBDeviceConnected* dev, int port);
+    int ClearPortPower(USBDeviceConnected* dev, int port);
+    int PortReset(USBDeviceConnected* dev, int port);
+    int SetPortFeature(USBDeviceConnected* dev, int feature, int index);
+    int ClearPortFeature(USBDeviceConnected* dev, int feature, int index);
+    int SetPortReset(USBDeviceConnected* dev, int port);
+    int GetPortStatus(USBDeviceConnected* dev, int port, uint32_t* status);
+};
+