usbdc.h

00001 /* usbdc.h */
00002 /* USB device controller */
00003 /* Copyright (c) Phil Wright 2008 */
00004 
00005 #ifndef USBDC_H
00006 #define USBDC_H
00007 
00008 /* Endpoints */
00009 #define EP0OUT  (0) /* Control */
00010 #define EP0IN   (1) /* Control */
00011 #define EP1OUT  (2) /* Interrupt */
00012 #define EP1IN   (3) /* Interrupt */
00013 #define EP2OUT  (4) /* Bulk */
00014 #define EP2IN   (5) /* Bulk */
00015 
00016 #include "mbed.h"
00017 
00018 class usbdc : public Base 
00019 {
00020 public:
00021     usbdc();
00022     void connect(void);
00023     void disconnect(void);
00024 protected:
00025     void setAddress(unsigned char address);
00026     void realiseEndpoint(unsigned char endpoint, unsigned long maxPacket);
00027     void enableEndpointEvent(unsigned char endpoint);
00028     void disableEndpointEvent(unsigned char endpoint);
00029     void stallEndpoint(unsigned char endpoint);
00030     void unstallEndpoint(unsigned char endpoint);
00031     bool getEndpointStallState(unsigned char endpoint);
00032     void configureDevice(void);
00033     void unconfigureDevice(void);
00034     unsigned long endpointRead(unsigned char endpoint, unsigned char *buffer);
00035     void endpointWrite(unsigned char endpoint, unsigned char *buffer, unsigned long size);
00036     void enableEvents(void);
00037     void disableEvents(void);    
00038     virtual void deviceEventReset(void);
00039     virtual void deviceEventFrame(void); 
00040     virtual void endpointEventEP0Setup(void);
00041     virtual void endpointEventEP0In(void);
00042     virtual void endpointEventEP0Out(void);
00043     virtual void endpointEventEP1In(void);
00044     virtual void endpointEventEP1Out(void);    
00045     virtual void endpointEventEP2In(void);
00046     virtual void endpointEventEP2Out(void);        
00047 private:
00048     void SIECommand(unsigned long command);
00049     void SIEWriteData(unsigned char data);
00050     unsigned char SIEReadData(unsigned long command);
00051     void setDeviceStatus(unsigned char status);
00052     void setEndpointStatus(unsigned char endpoint, unsigned char status);    
00053     unsigned char getDeviceStatus(void);
00054     unsigned char selectEndpoint(unsigned char endpoint);
00055     unsigned char selectEndpointClearInterrupt(unsigned char endpoint);
00056     unsigned char clearBuffer(void);
00057     void validateBuffer(void);
00058     void usbisr(void);
00059     unsigned long endpointStallState;
00060     static void _usbisr(void);
00061     static usbdc *instance;
00062 };
00063 
00064 
00065 #endif