159 lines
4.3 KiB
C++
159 lines
4.3 KiB
C++
/*
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USBAPI.h
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Copyright (c) 2005-2014 Arduino. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __USBAPI__
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#define __USBAPI__
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#include <inttypes.h>
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#include <avr/pgmspace.h>
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#include <avr/eeprom.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned long u32;
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#include "Arduino.h"
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#if defined(USBCON)
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#include "USBDesc.h"
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#include "USBCore.h"
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//================================================================================
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//================================================================================
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// USB
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#define EP_TYPE_CONTROL 0x00
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#define EP_TYPE_BULK_IN 0x81
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#define EP_TYPE_BULK_OUT 0x80
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#define EP_TYPE_INTERRUPT_IN 0xC1
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#define EP_TYPE_INTERRUPT_OUT 0xC0
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#define EP_TYPE_ISOCHRONOUS_IN 0x41
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#define EP_TYPE_ISOCHRONOUS_OUT 0x40
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class USBDevice_
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{
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public:
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USBDevice_();
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bool configured();
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void attach();
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void detach(); // Serial port goes down too...
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void poll();
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bool wakeupHost(); // returns false, when wakeup cannot be processed
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};
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extern USBDevice_ USBDevice;
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//================================================================================
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//================================================================================
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// Serial over CDC (Serial1 is the physical port)
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struct ring_buffer;
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#ifndef SERIAL_BUFFER_SIZE
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#if (RAMEND < 1000)
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#define SERIAL_BUFFER_SIZE 16
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#else
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#define SERIAL_BUFFER_SIZE 64
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#endif
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#endif
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#if (SERIAL_BUFFER_SIZE>256)
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#error Please lower the CDC Buffer size
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#endif
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class Serial_ : public Stream
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{
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private:
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int peek_buffer;
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public:
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Serial_() { peek_buffer = -1; };
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void begin(unsigned long);
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void begin(unsigned long, uint8_t);
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void end(void);
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virtual int available(void);
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virtual int peek(void);
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virtual int read(void);
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virtual void flush(void);
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virtual size_t write(uint8_t);
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virtual size_t write(const uint8_t*, size_t);
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using Print::write; // pull in write(str) and write(buf, size) from Print
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operator bool();
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volatile uint8_t _rx_buffer_head;
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volatile uint8_t _rx_buffer_tail;
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unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
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};
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extern Serial_ Serial;
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#define HAVE_CDCSERIAL
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//================================================================================
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//================================================================================
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// Low level API
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typedef struct
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{
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uint8_t bmRequestType;
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uint8_t bRequest;
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uint8_t wValueL;
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uint8_t wValueH;
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uint16_t wIndex;
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uint16_t wLength;
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} USBSetup;
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//================================================================================
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//================================================================================
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// MSC 'Driver'
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int MSC_GetInterface(uint8_t* interfaceNum);
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int MSC_GetDescriptor(int i);
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bool MSC_Setup(USBSetup& setup);
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bool MSC_Data(uint8_t rx,uint8_t tx);
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//================================================================================
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//================================================================================
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// CSC 'Driver'
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int CDC_GetInterface(uint8_t* interfaceNum);
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int CDC_GetDescriptor(int i);
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bool CDC_Setup(USBSetup& setup);
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//================================================================================
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//================================================================================
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#define TRANSFER_PGM 0x80
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#define TRANSFER_RELEASE 0x40
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#define TRANSFER_ZERO 0x20
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int USB_SendControl(uint8_t flags, const void* d, int len);
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int USB_RecvControl(void* d, int len);
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uint8_t USB_Available(uint8_t ep);
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int USB_Send(uint8_t ep, const void* data, int len); // blocking
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int USB_Recv(uint8_t ep, void* data, int len); // non-blocking
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int USB_Recv(uint8_t ep); // non-blocking
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void USB_Flush(uint8_t ep);
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#endif
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#endif /* if defined(USBCON) */
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