Diff: USBHostC270/USBisochronous/USBIsochronous.h

Revision:

13:fa85d3614acf

Parent:

12:ea4badc78215

Child:

14:7d4864959eb7

--- a/USBHostC270/USBisochronous/USBIsochronous.h	Wed Mar 20 14:28:39 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,200 +0,0 @@
-// USBIsochronous.h
-#pragma once
-
-class IsochronousEp;
-struct HCITD {    // HostController Isochronous Transfer Descriptor
-    __IO uint32_t Control;      // +0 Transfer descriptor control
-    uint8_t*  BufferPage0;      // +4 Buffer Page 0
-    HCITD* Next;                // +8 Physical pointer to next Isochronous Transfer Descriptor
-    uint8_t*  BufferEnd;        // +12 buffer End
-    __IO uint16_t OffsetPSW[8]; // +16 Offset/PSW
-    IsochronousEp* ep;          // +32 endpoint object
-    __IO uint8_t buf[0];        // +36 buffer
-                                // +36
-    HCITD(IsochronousEp* obj, uint16_t FrameNumber, int FrameCount, uint16_t PacketSize);
-    inline void* operator new(size_t size, int buf_size) {
-        void* p;
-        if (posix_memalign(&p, 32, size+buf_size) == 0) {
-            return p;
-        }
-        return NULL;
-    }
-
-    inline void operator delete(void* p) {
-        free(p);
-    }
-
-    inline uint16_t StartingFrame() {
-        return Control & 0xffff;
-    }
-
-    inline uint8_t FrameCount() {
-        return ((Control>>24)&7)+1;
-    }    
-
-    inline uint8_t ConditionCode() {
-        return Control>>28;
-    }
-};
-
-struct _HCED {    // HostController EndPoint Descriptor
-    __IO uint32_t Control; // +0 Endpoint descriptor control
-    HCTD* TailTd;          // +4 Physical address of tail in Transfer descriptor list
-    __IO HCTD* HeadTd;     // +8 Physcial address of head in Transfer descriptor list
-    _HCED* Next;           // +12 Physical address of next Endpoint descriptor
-                           // +16
-    _HCED(int addr, uint8_t ep, uint16_t size, int lowSpeed = 0) {
-        Control =  addr            | /* USB address */
-        ((ep & 0x7F) << 7)         | /* Endpoint address */
-        (ep!=0?(((ep&0x80)?2:1) << 11):0)| /* direction : Out = 1, 2 = In */
-        ((lowSpeed?1:0) << 13)     | /* speed full=0 low=1 */
-        (size << 16);                /* MaxPkt Size */
-        Next = NULL;
-    }
-
-    inline void* operator new(size_t size) {
-        void* p;
-        if (posix_memalign(&p, 16, size) == 0) {
-            return p;
-        }
-        return NULL;
-    }
-
-    inline void operator delete(void* p) {
-        free(p);
-    }
-
-    inline uint8_t FunctionAddress() {
-        return Control & 0x7f;
-    }
-
-    inline int Speed() {
-        return (Control>>13)&1;
-    }
-
-    inline void setFunctionAddress(int addr) {
-        Control &= ~0x7f;
-        Control |= addr;
-    }
-
-    inline void setMaxPacketSize(uint16_t size) {
-        Control &= ~0xffff0000;
-        Control |= size<<16;
-    }
-
-    int Skip() {
-        return (Control>>14) & 1;
-    }
-
-    void setSkip() {
-        Control |= (1<<14);
-    }
-
-    void setFormat() {
-        Control |= (1<<15);
-    }
-
-    template<typename T>
-    inline bool enqueue(T* td) {
-        if (td) {
-            T* tail = reinterpret_cast<T*>(TailTd);
-            if (tail) {
-                tail->Next = td;
-                TailTd = reinterpret_cast<HCTD*>(td);
-                return true;
-            }
-        }
-        return false;
-    }
-
-    template<typename T>
-    inline T* dequeue() {
-        T* head = reinterpret_cast<T*>(reinterpret_cast<uint32_t>(HeadTd)&~3); // delete Halted and Toggle Carry bit
-        T* tail = reinterpret_cast<T*>(TailTd);
-        if (head == NULL || tail == NULL || head == tail) {
-            return NULL;
-        }
-        HeadTd = reinterpret_cast<HCTD*>(head->Next);
-        return head;
-    }
-    template<typename T>
-    void init_queue(T* td) {
-        TailTd = reinterpret_cast<HCTD*>(td);
-        HeadTd = reinterpret_cast<HCTD*>(td); 
-    }
-};
-
-struct _HCCA {    // Host Controller Communication Area
-    _HCED* InterruptTable[32]; // +0 Interrupt Table
-    __IO uint16_t FrameNumber;// +128 Frame Number
-    __IO uint16_t Pad1;       // +130
-    __IO HCTD* DoneHead;      // +132 Done Head
-    uint8_t Reserved[116];    // +136 Reserved for future use
-    uint8_t Unknown[4];       // +252 Unused
-                              // +256
-    inline void* operator new(size_t size) {
-        void* p;
-        if (posix_memalign(&p, 256, size) == 0) {
-            return p;
-        }
-        return NULL;
-    }
-
-    inline void operator delete(void* p) {
-        free(p);
-    }
-    
-    inline void enqueue(_HCED* ed) {
-        for(int i = 0; i < 32; i++) {
-            if (InterruptTable[i] == NULL) {
-                InterruptTable[i] = ed;
-            } else {
-                _HCED* nextEd = InterruptTable[i];
-                while(nextEd->Next && nextEd->Next != ed) {
-                    nextEd = nextEd->Next;
-                }
-                nextEd->Next = ed;
-            }
-        }
-    }
-    
-    inline void dequeue(_HCED* ed) {
-         for(int i = 0; i < 32; i++) {
-            if (InterruptTable[i] == ed) {
-                InterruptTable[i] = ed->Next;
-            } else if (InterruptTable[i]) {
-                _HCED* nextEd = InterruptTable[i];
-                while(nextEd) {
-                    if (nextEd->Next == ed) {
-                        nextEd->Next = ed->Next;
-                        break;
-                    }
-                    nextEd = nextEd->Next;
-                }
-            }
-         }
-    }
-};
-
-#define HCITD_QUEUE_SIZE 3
-
-class IsochronousEp {
-public:
-    void init(int addr, uint8_t ep, uint16_t size, uint8_t frameCount = 4, uint8_t queueLimit = HCITD_QUEUE_SIZE);
-    void reset(int delay_ms = 100);
-    HCITD* isochronousReceive(int timeout_ms);
-    int isochronousSend(uint8_t* buf, int len, int timeout_ms);
-    HCITD* get_queue_HCITD(int timeout_ms);
-    uint16_t m_PacketSize;
-    void disconnect();
-    void irqWdhHandler(HCITD* itd) {m_queue.put(itd);} // WDH
-private:
-    HCITD* new_HCITD(IsochronousEp* obj);
-    Queue<HCITD, HCITD_QUEUE_SIZE> m_queue; // ITD done queue
-    int m_itd_queue_count;
-    int m_itd_queue_limit;
-    uint16_t m_FrameNumber;
-    int m_FrameCount; // 1-8
-    void enable();
-    _HCED* m_pED;
-};