Diff: LPC4088-USBHost/USBHost/USBEndpoint.h

Revision:

0:11152e69fc05

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC4088-USBHost/USBHost/USBEndpoint.h	Tue Apr 22 10:54:52 2014 +0000
@@ -0,0 +1,211 @@
+/* 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 "rtos.h"
+#include "FunctionPointer.h"
+#include "USBHostTypes.h"
+#include "USBDeviceConnected.h"
+
+class USBDeviceConnected;
+
+#define HCTD_QUEUE_SIZE 3
+
+struct HCTD;
+struct HCED;
+struct HCITD;
+class USBHost;
+
+/**
+* USBEndpoint class
+*/
+class USBEndpoint {
+public:
+    /**
+    * Constructor
+    */
+    USBEndpoint(USBDeviceConnected* _dev) {
+        init(CONTROL_ENDPOINT, IN, 8, 0);
+        dev = _dev;
+    }
+
+    /**
+    * Initialize an endpoint
+    *
+    * @param type endpoint type
+    * @param dir endpoint direction
+    * @param size endpoint size
+    * @param ep_number endpoint number
+    */
+    void init(ENDPOINT_TYPE _type, ENDPOINT_DIRECTION _dir, uint32_t size, uint8_t ep_number) {
+        setType(_type);
+        dir = _dir;
+        MaxPacketSize = size;
+        address = ep_number;
+        m_pED = NULL;
+        //data01_toggle = DATA0;
+    }
+
+    USBEndpoint(int addr, uint8_t ep = 0, uint16_t size = 8, int lowSpeed = 0);
+
+    /**
+     *  Attach a member function to call when a transfer is finished
+     *
+     *  @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 attach(T* tptr, void (T::*mptr)(void)) {
+        if((mptr != NULL) && (tptr != NULL)) {
+            rx.attach(tptr, mptr);
+        }
+    }
+
+    /**
+     * Attach a callback called when a transfer is finished
+     *
+     * @param fptr function pointer
+     */
+    void attach(void (*fptr)(void)) {
+        if(fptr != NULL) {
+            rx.attach(fptr);
+        }
+    }
+
+    /**
+    * Call the handler associted to the end of a transfer
+    */
+    void call() {
+        rx.call();
+    };
+
+    int GetAddr();
+    int GetLowSpeed();
+    void update_FunctionAddress(int addr);
+    void update_MaxPacketSize(uint16_t size);
+    //
+    virtual void irqWdhHandler(HCTD* td) {m_queue.put(td);} // WDH
+    HCTD* get_queue_HCTD(uint32_t millisec=osWaitForever);
+    HCED* m_pED;
+    // report
+    uint8_t m_ConditionCode;
+    int m_report_queue_error;
+
+    void setType(ENDPOINT_TYPE _type) { type = _type; };
+    void setState(uint8_t st){}; // dummy
+    void setLengthTransferred(int len) { transferred = len; };
+    void setBuffer(uint8_t* buf, int size) { buf_start = buf, buf_size = size; }
+    void setSize(int size) { MaxPacketSize = size; }
+    void setNextEndpoint(USBEndpoint* ep) { nextEp = ep; };
+
+    USBDeviceConnected* getDevice() { return dev; }
+    ENDPOINT_TYPE getType() { return type; };
+    int getLengthTransferred() { return transferred; }
+    uint8_t *getBufStart() { return buf_start; }
+    int getBufSize() { return buf_size; }
+    uint8_t getAddress(){ return address; };
+    int getSize() { return MaxPacketSize; }
+    ENDPOINT_DIRECTION getDir() { return dir; }
+    USBEndpoint* nextEndpoint() { return nextEp; };
+
+private:
+    ENDPOINT_TYPE type;
+    ENDPOINT_DIRECTION dir;
+    USBDeviceConnected* dev;
+    uint8_t address;
+    int transferred;
+    uint8_t * buf_start;
+    int buf_size;
+    FunctionPointer rx;
+    int MaxPacketSize;
+    USBEndpoint* nextEp;
+
+protected:
+    Queue<HCTD, HCTD_QUEUE_SIZE> m_queue; // TD done queue
+    int m_td_queue_count;
+    USBHost* host;
+};
+
+class ControlEp : public USBEndpoint {
+public:
+    ControlEp(int lowSpeed = 0);
+    USB_TYPE GetDescriptor(int descType, int descIndex, uint8_t* data, int length);
+    USB_TYPE SetAddress(int addr); // device address 
+    USB_TYPE SetConfiguration(int config);
+    USB_TYPE GetConfiguration(int *config);
+    USB_TYPE SetInterfaceAlternate(int interface, int alternate);
+    USB_TYPE GetInterface(int interface, int *alternate);
+    USB_TYPE controlSend(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex=0, const uint8_t* data=NULL, int length=0);
+    USB_TYPE controlReceive(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint8_t* data, int length);
+    USB_TYPE GetStringDescriptor(char* s, int index);
+
+private:
+    USB_TYPE open(int addr);
+
+};
+
+class BulkEp : public USBEndpoint {
+public:
+    BulkEp(int addr, uint8_t ep, uint16_t size);
+};
+
+class InterruptEp : public USBEndpoint {
+public:
+    InterruptEp(int addr, uint8_t ep, uint16_t size, int lowSpeed=0);
+};
+
+class IsochronousEp : public USBEndpoint {
+public:
+    IsochronousEp(int addr, uint8_t ep, uint16_t size);
+    void reset(int delay_ms = 100);
+    HCITD* isochronousReveive(int millisec=osWaitForever);
+    int isochronousSend(uint8_t* buf, int len, int millisec=osWaitForever);
+    HCITD* get_queue_HCITD(int millisec);
+    uint16_t m_PacketSize;
+private:
+    HCITD* new_HCITD(USBEndpoint* obj);
+    int m_itd_queue_count;
+    uint16_t m_FrameNumber;
+    int m_FrameCount; // 1-8
+};
+
+class EndpointQueue {
+public:
+    EndpointQueue():head(NULL),tail(NULL) {}
+    void push(USBEndpoint* ep) {
+        if (head) {
+            tail->setNextEndpoint(ep);
+        } else {
+            head = ep;
+        }
+        tail = ep;
+        ep->setNextEndpoint(NULL);
+    }
+    USBEndpoint* pop() {
+        USBEndpoint* ep = head;
+        if (ep) {
+            head = ep->nextEndpoint();
+        }
+        return ep;
+    }
+    bool empty() { return head == NULL; }
+
+private:
+    USBEndpoint* head;
+    USBEndpoint* tail;
+};
+
+