Diff: USBHost/USBHALHost_LPC4088.h

Revision:

18:61554f238584

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHALHost_LPC4088.h	Tue Jul 01 18:33:31 2014 +0900
@@ -0,0 +1,284 @@
+/* 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 "rtos.h"
+#include "USBHostTypes.h"
+#include "USBEndpoint.h"
+
+#if defined(TARGET_LPC4088)
+#define HcRevision      Revision
+#define HcControl       Control
+#define HcCommandStatus CommandStatus
+#define HcInterruptStatus InterruptStatus
+#define HcInterruptEnable InterruptEnable
+#define HcHCCA          HCCA
+#define HcControlHeadED ControlHeadED
+#define HcBulkHeadED    BulkHeadED
+#define HcFmInterval    FmInterval
+#define HcFmNumber      FmNumber
+#define HcPeriodicStart PeriodicStart
+#define HcRhStatus      RhStatus
+#define HcRhPortStatus1 RhPortStatus1
+#define OTGStCtrl       StCtrl
+#endif
+// ------------------ HcControl Register ---------------------
+#define  OR_CONTROL_PLE                 0x00000004
+#define  OR_CONTROL_IE                  0x00000008
+#define  OR_CONTROL_CLE                 0x00000010
+#define  OR_CONTROL_BLE                 0x00000020
+#define  OR_CONTROL_HCFS                0x000000C0
+#define  OR_CONTROL_HC_OPER             0x00000080
+// ----------------- HcCommandStatus Register -----------------
+#define  OR_CMD_STATUS_HCR              0x00000001
+#define  OR_CMD_STATUS_CLF              0x00000002
+#define  OR_CMD_STATUS_BLF              0x00000004
+// --------------- HcInterruptStatus Register -----------------
+#define  OR_INTR_STATUS_WDH             0x00000002
+#define  OR_INTR_STATUS_UE              0x00000010
+#define  OR_INTR_STATUS_FNO             0x00000020
+#define  OR_INTR_STATUS_RHSC            0x00000040
+// --------------- HcInterruptEnable Register -----------------
+#define  OR_INTR_ENABLE_WDH             0x00000002
+#define  OR_INTR_ENABLE_FNO             0x00000020
+#define  OR_INTR_ENABLE_RHSC            0x00000040
+#define  OR_INTR_ENABLE_MIE             0x80000000
+// ---------------- HcRhDescriptorA Register ------------------
+#define  OR_RH_STATUS_LPSC              0x00010000
+#define  OR_RH_STATUS_DRWE              0x00008000
+// -------------- HcRhPortStatus[1:NDP] Register --------------
+#define  OR_RH_PORT_CCS                 0x00000001
+#define  OR_RH_PORT_PRS                 0x00000010
+#define  OR_RH_PORT_LSDA                0x00000200
+#define  OR_RH_PORT_CSC                 0x00010000
+#define  OR_RH_PORT_PRSC                0x00100000
+
+// TRANSFER DESCRIPTOR CONTROL FIELDS
+#define  TD_ROUNDING     (uint32_t)(0x00040000) /* Buffer Rounding */
+#define  TD_SETUP        (uint32_t)(0x00000000) /* Direction of Setup Packet */
+#define  TD_IN           (uint32_t)(0x00100000) /* Direction In */
+#define  TD_OUT          (uint32_t)(0x00080000) /* Direction Out */
+#define  TD_DELAY_INT(x) (uint32_t)((x) << 21)  /* Delay Interrupt */
+#define  TD_DI           (uint32_t)(7<<21)      /* desable interrupt */
+#define  TD_TOGGLE_0     (uint32_t)(0x02000000) /* Toggle 0 */
+#define  TD_TOGGLE_1     (uint32_t)(0x03000000) /* Toggle 1 */
+#define  TD_CC           (uint32_t)(0xF0000000) /* Completion Code */
+
+void* usb_ram_malloc(size_t size, int aligment); // USBHALHost2_LPC4088.cpp
+void usb_ram_free(void* p);
+
+struct TBUF {
+    uint8_t buf[0];
+    TBUF(const void* data = NULL, int size = 0);
+    void* operator new(size_t size, int buf_size) { return usb_ram_malloc(size+buf_size, 4); }
+    void operator delete(void* p) { usb_ram_free(p); }
+};
+
+class HCED;
+
+struct HCTD {    // HostController Transfer Descriptor
+    __IO uint32_t Control;    // +0 Transfer descriptor control
+    __IO uint8_t* CurrBufPtr; // +4 Physical address of current buffer pointer
+    HCTD* Next;               // +8 Physical pointer to next Transfer Descriptor
+    uint8_t*  BufEnd;         // +12 Physical address of end of buffer
+    uint8_t* buf_top;         // +16 Buffer start address
+    uint16_t buf_size;        // +20 buffer size size
+    uint8_t _dummy[10];       // +22 dummy
+    HCED* parent;             // +32 HCED object
+                              // +36
+    HCTD(HCED* ed);
+    void* operator new(size_t size) { return usb_ram_malloc(size, 16); }
+    void operator delete(void* p) { usb_ram_free(p); }
+
+    void transfer(TBUF* tbuf, int len) {
+        CurrBufPtr = tbuf->buf;
+        buf_top = tbuf->buf;
+        buf_size = len;
+        BufEnd = const_cast<uint8_t*>(tbuf->buf)+len-1;
+    }
+    int getLengthTransferred() {
+        if (CurrBufPtr) {
+            return CurrBufPtr - buf_top;
+        }
+        return buf_size;
+    }
+    int status() {
+        if (CurrBufPtr) {
+            return CurrBufPtr - buf_top;
+        }
+        return buf_size;
+    }
+    
+    uint8_t ConditionCode() {
+        return Control>>28;
+    }    
+}; 
+
+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
+    HCED* parent;               // +32 HCED object
+    __IO uint8_t buf[0];        // +36 buffer
+                                // +36
+    HCITD(HCED* ed, uint16_t FrameNumber, int FrameCount, uint16_t PacketSize);
+    uint8_t* Buffer(int fc);
+    void* operator new(size_t size, int buf_size) { return usb_ram_malloc(size+buf_size, 32); }
+    void operator delete(void* p) { usb_ram_free(p); }
+
+    uint16_t StartingFrame() {
+        return Control & 0xffff;
+    }
+
+    uint8_t FrameCount() {
+        return ((Control>>24)&7)+1;
+    }    
+
+    uint8_t ConditionCode() {
+        return Control>>28;
+    }
+
+    uint8_t ConditionCode(int fc) {
+        uint16_t psw = OffsetPSW[fc];
+        return psw>>12;
+    }
+
+    uint16_t Length(int fc) {
+        uint16_t psw = OffsetPSW[fc];
+        return psw & 0x7ff;
+    }
+};
+
+#define HCTD_QUEUE_SIZE 3
+
+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
+    uint8_t m_ConditionCode;
+    Queue<HCTD, HCTD_QUEUE_SIZE> _done_queue; // TD done queue
+    struct {
+        uint8_t queue_count;
+        uint8_t queue_limit;
+        uint16_t FrameNumber;
+        uint8_t FrameCount; // 1-8
+        HCITD* Current_itd;
+        uint8_t Current_FrameCount;
+    } iso;
+    inline osEvent done_queue_get(uint32_t millisec) { return _done_queue.get(millisec); }
+    inline void irqWdhHandler(HCTD* td) {_done_queue.put(td);} // WDH
+    HCTD* get_queue_HCTD(uint32_t millisec=osWaitForever);
+    HCITD* get_queue_HCITD();
+    HCITD* new_HCITD();
+    HCED(USBEndpoint* ep);
+    void* operator new(size_t size) { return usb_ram_malloc(size, 16); }
+    void operator delete(void* p) { usb_ram_free(p); }
+
+    uint8_t FunctionAddress() {
+        return Control & 0x7f;
+    }
+
+    uint8_t EndpointNumber() {
+        return (Control>>7) & 0x7f;
+    }
+
+    int Speed() {
+        return (Control>>13)&1;
+    }
+
+    void setFunctionAddress(int addr) {
+        Control &= ~0x7f;
+        Control |= addr;
+    }
+
+    void setMaxPacketSize(uint16_t size) {
+        Control &= ~0x07ff0000;
+        Control |= size<<16;
+    }
+
+    uint16_t getMaxPacketSize() {
+        return (Control>>16)&0x7ff;
+    }
+
+    void setToggle(uint8_t toggle);
+    uint8_t getToggle();
+
+    int Skip() {
+        return (Control>>14) & 1;
+    }
+
+    void setSkip() {
+        Control |= (1<<14);
+    }
+
+    void setFormat() {
+        Control |= (1<<15);
+    }
+
+    bool enqueue(HCTD* td);
+    void init_queue(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
+    void* operator new(size_t size) { return usb_ram_malloc(size, 256); }
+    void operator delete(void* p) { usb_ram_free(p); }
+    void enqueue(HCED* ed);
+};
+
+class USBHALHost {
+protected:
+    USBHALHost();
+    void init();
+    virtual bool addDevice(USBDeviceConnected* parent, int port, bool lowSpeed) = 0;
+    int token_setup(USBEndpoint* ep, SETUP_PACKET* setup, uint16_t wLength = 0);
+    int token_iso_in(USBEndpoint* ep, uint8_t* data, int size);
+    int multi_token_in(USBEndpoint* ep, uint8_t* data = NULL, int size = 0);
+    int multi_token_out(USBEndpoint* ep, const uint8_t* data = NULL, int size = 0);
+    void multi_token_inNB(USBEndpoint* ep, uint8_t* data, int size);
+    USB_TYPE multi_token_inNB_result(USBEndpoint* ep);
+    void setToggle(USBEndpoint* ep, uint8_t toggle);
+
+    // report
+    uint32_t m_report_irq; 
+    uint32_t m_report_RHSC;
+    uint32_t m_report_FNO; 
+    uint32_t m_report_WDH;  
+    uint32_t m_report_sp;
+
+private:
+    void init_hw_ohci(HCCA* pHcca);
+    void ResetRootHub();
+    void token_init(USBEndpoint* ep);
+    static void _usbisr(void);
+    void UsbIrqhandler();
+    HCCA* m_pHcca;
+    bool wait_attach();
+    bool root_lowSpeed;
+    static USBHALHost * instHost;
+};
+