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/* *****************************************************************************

* The MIT License

*

* Copyright (c) 2010 LeafLabs LLC.

*

* Permission is hereby granted, free of charge, to any person obtaining a copy

* of this software and associated documentation files (the "Software"), to deal

* in the Software without restriction, including without limitation the rights

* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included in

* all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

* THE SOFTWARE.

* ****************************************************************************/

#ifndef __USB_H

#define __USB_H

#include "common.h"

#include "usb_lib.h"

#include "usb_descriptor.h"

#include "config.h"

/* USB configuration params */

#define BTABLE_ADDRESS 0x00

#define ENDP0_RXADDR 0x40

#define ENDP0_TXADDR 0x80 /* gives 64 bytes i/o buflen */

#define ENDP1_TXADDR 0xC0

#define ENDP2_TXADDR 0x100

#define ENDP3_RXADDR 0x110

#define bMaxPacketSize 0x40 /* 64B, maximum for usb FS devices */

//#define wTransferSize FLASH_PAGE_SIZE /* This is important, because transfers have to match with the flash page size, otherwise it erases a page before its finished copying to that page */

#define dummyTransferSize 0x800

int wTransferSize;

#define NUM_ENDPTS 0x01

/* do we gracefully implement usb suspend? */

#define F_SUSPEND_ENABLED 1

/* defines which interrupts are handled */

#define ISR_MSK (CNTR_CTRM | \

CNTR_WKUPM | \

CNTR_SUSPM | \

CNTR_ERRM | \

CNTR_SOFM | \

CNTR_ESOFM | \

CNTR_RESETM \

)

typedef enum _RESUME_STATE {

RESUME_EXTERNAL,

RESUME_INTERNAL,

RESUME_LATER,

RESUME_WAIT,

RESUME_START,

RESUME_ON,

RESUME_OFF,

RESUME_ESOF

} RESUME_STATE;

typedef enum _DEVICE_STATE {

UNCONNECTED,

ATTACHED,

POWERED,

SUSPENDED,

ADDRESSED,

CONFIGURED

} DEVICE_STATE;

void setupUSB(void);

void usbDsbBus(void);

void usbAppInit(void); /* singleton usb initializer */

void usbSuspend(void);

void usbResumeInit(void);

void usbResume(RESUME_STATE state);

RESULT usbPowerOn(void);

RESULT usbPowerOff(void);

/* internal functions (as per the usb_core pProperty structure) */

void usbInit(void);

void usbReset(void);

void usbStatusIn(void);

void usbStatusOut(void);

RESULT usbDataSetup(u8 request);

RESULT usbNoDataSetup(u8 request);

RESULT usbGetInterfaceSetting(u8, u8);

u8 *usbGetDeviceDescriptor(u16 length);

u8 *usbGetConfigDescriptor(u16 length);

u8 *usbGetStringDescriptor(u16 length);

u8 *usbGetFunctionalDescriptor(u16 length);

/* internal callbacks to respond to standard requests */

void usbGetConfiguration(void);

void usbSetConfiguration(void);

void usbGetInterface(void);

void usbSetInterface(void);

void usbGetStatus(void);

void usbClearFeature(void);

void usbSetEndpointFeature(void);

void usbSetDeviceFeature(void);

void usbSetDeviceAddress(void);

/* the small number of comm emulator functions to

eventually be migrated into their own usart sources

*/

u8 *vcomGetLineCoding(u16 length);

u8 *vcomSetLineCoding(u16 length);

void vcomEp1In(void);

void vcomEp3Out(void);

/* Interrupt setup/handling exposed only so that

its obvious from main what interrupts are overloaded

from c_only_startup.s (see the top of main.c) */

void usbDsbISR(void);

void usbEnbISR(void);

/* override the weakly defined isr in linker */

void USB_LP_CAN1_RX0_IRQHandler(void);

void nothingProc(void);

#endif