USBHAL.h

00001 /* Copyright (c) 2010-2011 mbed.org, MIT License
00002 *
00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004 * and associated documentation files (the "Software"), to deal in the Software without
00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
00007 * Software is furnished to do so, subject to the following conditions:
00008 *
00009 * The above copyright notice and this permission notice shall be included in all copies or
00010 * substantial portions of the Software.
00011 *
00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 */
00018 
00019 #ifndef USBBUSINTERFACE_H
00020 #define USBBUSINTERFACE_H
00021 
00022 #include "mbed.h"
00023 #include "USBEndpoints.h"
00024 
00025 #ifdef __GNUC__
00026 #define __packed __attribute__ ((__packed__))
00027 #endif
00028 
00029 class USBHAL {
00030 public:
00031     /* Configuration */
00032     USBHAL();
00033     ~USBHAL();
00034     void connect(void);
00035     void disconnect(void);
00036     void configureDevice(void);
00037     void unconfigureDevice(void);
00038     void setAddress(uint8_t address);
00039     void remoteWakeup(void);
00040 
00041     /* Endpoint 0 */
00042     void EP0setup(uint8_t *buffer);
00043     void EP0read(void);
00044     void EP0readStage(void);
00045     uint32_t EP0getReadResult(uint8_t *buffer);
00046     void EP0write(uint8_t *buffer, uint32_t size);
00047     void EP0getWriteResult(void);
00048     void EP0stall(void);
00049 
00050     /* Other endpoints */
00051     EP_STATUS endpointRead(uint8_t endpoint, uint32_t maximumSize);
00052     EP_STATUS endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead);
00053     EP_STATUS endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size);
00054     EP_STATUS endpointWriteResult(uint8_t endpoint);
00055     void stallEndpoint(uint8_t endpoint);
00056     void unstallEndpoint(uint8_t endpoint);
00057     bool realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options);
00058     bool getEndpointStallState(unsigned char endpoint);
00059     uint32_t endpointReadcore(uint8_t endpoint, uint8_t *buffer);
00060     
00061 protected:
00062     virtual void busReset(void){};
00063     virtual void EP0setupCallback(void){};
00064     virtual void EP0out(void){};
00065     virtual void EP0in(void){};
00066     virtual void connectStateChanged(unsigned int connected){};
00067     virtual void suspendStateChanged(unsigned int suspended){};
00068     virtual void SOF(int frameNumber){};
00069             
00070     virtual bool EP1_OUT_callback(){return false;};
00071     virtual bool EP1_IN_callback(){return false;};
00072     virtual bool EP2_OUT_callback(){return false;};
00073     virtual bool EP2_IN_callback(){return false;};
00074     virtual bool EP3_OUT_callback(){return false;};
00075     virtual bool EP3_IN_callback(){return false;};
00076     virtual bool EP4_OUT_callback(){return false;};
00077     virtual bool EP4_IN_callback(){return false;};
00078     
00079 #if !defined(TARGET_LPC11U24)
00080     virtual bool EP5_OUT_callback(){return false;};
00081     virtual bool EP5_IN_callback(){return false;};
00082     virtual bool EP6_OUT_callback(){return false;};
00083     virtual bool EP6_IN_callback(){return false;};
00084     virtual bool EP7_OUT_callback(){return false;};
00085     virtual bool EP7_IN_callback(){return false;};
00086     virtual bool EP8_OUT_callback(){return false;};
00087     virtual bool EP8_IN_callback(){return false;};
00088     virtual bool EP9_OUT_callback(){return false;};
00089     virtual bool EP9_IN_callback(){return false;};
00090     virtual bool EP10_OUT_callback(){return false;};
00091     virtual bool EP10_IN_callback(){return false;};
00092     virtual bool EP11_OUT_callback(){return false;};
00093     virtual bool EP11_IN_callback(){return false;};
00094     virtual bool EP12_OUT_callback(){return false;};
00095     virtual bool EP12_IN_callback(){return false;};
00096     virtual bool EP13_OUT_callback(){return false;};
00097     virtual bool EP13_IN_callback(){return false;};
00098     virtual bool EP14_OUT_callback(){return false;};
00099     virtual bool EP14_IN_callback(){return false;};
00100     virtual bool EP15_OUT_callback(){return false;};
00101     virtual bool EP15_IN_callback(){return false;};
00102 #endif
00103     
00104 private:
00105     void usbisr(void);
00106     static void _usbisr(void);
00107     static USBHAL * instance;
00108 
00109 #if defined(TARGET_LPC11U24)
00110         bool (USBHAL::*epCallback[10 - 2])(void);
00111 #else
00112         bool (USBHAL::*epCallback[32 - 2])(void);
00113 #endif
00114 
00115         
00116 };
00117 #endif