353 lines
17 KiB
C
353 lines
17 KiB
C
/* Name: usbconfig.h
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* Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
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* Author: Christian Starkjohann
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* Creation Date: 2005-04-01
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* Tabsize: 4
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* Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
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* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
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* This Revision: $Id: usbconfig-prototype.h 785 2010-05-30 17:57:07Z cs $
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*/
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#pragma once
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#include "config.h"
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/*
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General Description:
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This file is an example configuration (with inline documentation) for the USB
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driver. It configures V-USB for USB D+ connected to Port D bit 2 (which is
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also hardware interrupt 0 on many devices) and USB D- to Port D bit 4. You may
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wire the lines to any other port, as long as D+ is also wired to INT0 (or any
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other hardware interrupt, as long as it is the highest level interrupt, see
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section at the end of this file).
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*/
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/* ---------------------------- Hardware Config ---------------------------- */
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#define USB_CFG_IOPORTNAME D
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/* This is the port where the USB bus is connected. When you configure it to
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* "B", the registers PORTB, PINB and DDRB will be used.
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*/
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#define USB_CFG_DMINUS_BIT 3
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/* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected.
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* This may be any bit in the port.
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*/
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#define USB_CFG_DPLUS_BIT 2
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/* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected.
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* This may be any bit in the port. Please note that D+ must also be connected
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* to interrupt pin INT0! [You can also use other interrupts, see section
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* "Optional MCU Description" below, or you can connect D- to the interrupt, as
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* it is required if you use the USB_COUNT_SOF feature. If you use D- for the
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* interrupt, the USB interrupt will also be triggered at Start-Of-Frame
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* markers every millisecond.]
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*/
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#define USB_CFG_CLOCK_KHZ (F_CPU/1000)
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/* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000,
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* 16500, 18000 and 20000. The 12.8 MHz and 16.5 MHz versions of the code
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* require no crystal, they tolerate +/- 1% deviation from the nominal
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* frequency. All other rates require a precision of 2000 ppm and thus a
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* crystal!
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* Since F_CPU should be defined to your actual clock rate anyway, you should
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* not need to modify this setting.
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*/
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#define USB_CFG_CHECK_CRC 0
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/* Define this to 1 if you want that the driver checks integrity of incoming
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* data packets (CRC checks). CRC checks cost quite a bit of code size and are
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* currently only available for 18 MHz crystal clock. You must choose
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* USB_CFG_CLOCK_KHZ = 18000 if you enable this option.
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*/
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/* ----------------------- Optional Hardware Config ------------------------ */
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/* #define USB_CFG_PULLUP_IOPORTNAME D */
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/* If you connect the 1.5k pullup resistor from D- to a port pin instead of
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* V+, you can connect and disconnect the device from firmware by calling
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* the macros usbDeviceConnect() and usbDeviceDisconnect() (see usbdrv.h).
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* This constant defines the port on which the pullup resistor is connected.
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*/
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/* #define USB_CFG_PULLUP_BIT 4 */
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/* This constant defines the bit number in USB_CFG_PULLUP_IOPORT (defined
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* above) where the 1.5k pullup resistor is connected. See description
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* above for details.
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*/
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/* --------------------------- Functional Range ---------------------------- */
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#define USB_CFG_HAVE_INTRIN_ENDPOINT 1
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/* Define this to 1 if you want to compile a version with two endpoints: The
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* default control endpoint 0 and an interrupt-in endpoint (any other endpoint
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* number).
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*/
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#define USB_CFG_HAVE_INTRIN_ENDPOINT3 1
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/* Define this to 1 if you want to compile a version with three endpoints: The
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* default control endpoint 0, an interrupt-in endpoint 3 (or the number
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* configured below) and a catch-all default interrupt-in endpoint as above.
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* You must also define USB_CFG_HAVE_INTRIN_ENDPOINT to 1 for this feature.
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*/
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#define USB_CFG_EP3_NUMBER 3
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/* If the so-called endpoint 3 is used, it can now be configured to any other
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* endpoint number (except 0) with this macro. Default if undefined is 3.
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*/
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/* #define USB_INITIAL_DATATOKEN USBPID_DATA1 */
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/* The above macro defines the startup condition for data toggling on the
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* interrupt/bulk endpoints 1 and 3. Defaults to USBPID_DATA1.
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* Since the token is toggled BEFORE sending any data, the first packet is
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* sent with the oposite value of this configuration!
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*/
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#define USB_CFG_IMPLEMENT_HALT 0
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/* Define this to 1 if you also want to implement the ENDPOINT_HALT feature
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* for endpoint 1 (interrupt endpoint). Although you may not need this feature,
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* it is required by the standard. We have made it a config option because it
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* bloats the code considerably.
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*/
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#define USB_CFG_SUPPRESS_INTR_CODE 0
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/* Define this to 1 if you want to declare interrupt-in endpoints, but don't
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* want to send any data over them. If this macro is defined to 1, functions
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* usbSetInterrupt() and usbSetInterrupt3() are omitted. This is useful if
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* you need the interrupt-in endpoints in order to comply to an interface
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* (e.g. HID), but never want to send any data. This option saves a couple
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* of bytes in flash memory and the transmit buffers in RAM.
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*/
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#define USB_CFG_IS_SELF_POWERED 0
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/* Define this to 1 if the device has its own power supply. Set it to 0 if the
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* device is powered from the USB bus.
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*/
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#define USB_CFG_IMPLEMENT_FN_WRITE 1
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/* Set this to 1 if you want usbFunctionWrite() to be called for control-out
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* transfers. Set it to 0 if you don't need it and want to save a couple of
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* bytes.
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*/
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#define USB_CFG_IMPLEMENT_FN_READ 0
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/* Set this to 1 if you need to send control replies which are generated
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* "on the fly" when usbFunctionRead() is called. If you only want to send
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* data from a static buffer, set it to 0 and return the data from
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* usbFunctionSetup(). This saves a couple of bytes.
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*/
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#define USB_CFG_IMPLEMENT_FN_WRITEOUT 0
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/* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints.
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* You must implement the function usbFunctionWriteOut() which receives all
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* interrupt/bulk data sent to any endpoint other than 0. The endpoint number
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* can be found in 'usbRxToken'.
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*/
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#define USB_CFG_HAVE_FLOWCONTROL 0
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/* Define this to 1 if you want flowcontrol over USB data. See the definition
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* of the macros usbDisableAllRequests() and usbEnableAllRequests() in
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* usbdrv.h.
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*/
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#define USB_CFG_DRIVER_FLASH_PAGE 0
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/* If the device has more than 64 kBytes of flash, define this to the 64 k page
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* where the driver's constants (descriptors) are located. Or in other words:
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* Define this to 1 for boot loaders on the ATMega128.
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*/
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#define USB_CFG_LONG_TRANSFERS 0
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/* Define this to 1 if you want to send/receive blocks of more than 254 bytes
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* in a single control-in or control-out transfer. Note that the capability
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* for long transfers increases the driver size.
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*/
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/* #define USB_RX_USER_HOOK(data, len) if(usbRxToken == (uchar)USBPID_SETUP) blinkLED(); */
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/* This macro is a hook if you want to do unconventional things. If it is
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* defined, it's inserted at the beginning of received message processing.
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* If you eat the received message and don't want default processing to
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* proceed, do a return after doing your things. One possible application
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* (besides debugging) is to flash a status LED on each packet.
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*/
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/* #define USB_RESET_HOOK(resetStarts) if(!resetStarts){hadUsbReset();} */
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/* This macro is a hook if you need to know when an USB RESET occurs. It has
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* one parameter which distinguishes between the start of RESET state and its
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* end.
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*/
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/* #define USB_SET_ADDRESS_HOOK() hadAddressAssigned(); */
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/* This macro (if defined) is executed when a USB SET_ADDRESS request was
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* received.
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*/
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#define USB_COUNT_SOF 1
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/* define this macro to 1 if you need the global variable "usbSofCount" which
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* counts SOF packets. This feature requires that the hardware interrupt is
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* connected to D- instead of D+.
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*/
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/* #ifdef __ASSEMBLER__
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* macro myAssemblerMacro
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* in YL, TCNT0
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* sts timer0Snapshot, YL
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* endm
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* #endif
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* #define USB_SOF_HOOK myAssemblerMacro
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* This macro (if defined) is executed in the assembler module when a
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* Start Of Frame condition is detected. It is recommended to define it to
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* the name of an assembler macro which is defined here as well so that more
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* than one assembler instruction can be used. The macro may use the register
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* YL and modify SREG. If it lasts longer than a couple of cycles, USB messages
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* immediately after an SOF pulse may be lost and must be retried by the host.
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* What can you do with this hook? Since the SOF signal occurs exactly every
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* 1 ms (unless the host is in sleep mode), you can use it to tune OSCCAL in
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* designs running on the internal RC oscillator.
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* Please note that Start Of Frame detection works only if D- is wired to the
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* interrupt, not D+. THIS IS DIFFERENT THAN MOST EXAMPLES!
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*/
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#define USB_CFG_CHECK_DATA_TOGGLING 0
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/* define this macro to 1 if you want to filter out duplicate data packets
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* sent by the host. Duplicates occur only as a consequence of communication
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* errors, when the host does not receive an ACK. Please note that you need to
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* implement the filtering yourself in usbFunctionWriteOut() and
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* usbFunctionWrite(). Use the global usbCurrentDataToken and a static variable
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* for each control- and out-endpoint to check for duplicate packets.
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*/
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#define USB_CFG_HAVE_MEASURE_FRAME_LENGTH 0
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/* define this macro to 1 if you want the function usbMeasureFrameLength()
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* compiled in. This function can be used to calibrate the AVR's RC oscillator.
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*/
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#define USB_USE_FAST_CRC 0
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/* The assembler module has two implementations for the CRC algorithm. One is
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* faster, the other is smaller. This CRC routine is only used for transmitted
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* messages where timing is not critical. The faster routine needs 31 cycles
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* per byte while the smaller one needs 61 to 69 cycles. The faster routine
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* may be worth the 32 bytes bigger code size if you transmit lots of data and
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* run the AVR close to its limit.
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*/
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/* -------------------------- Device Description --------------------------- */
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#define USB_CFG_VENDOR_ID
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/* USB vendor ID for the device, low byte first. If you have registered your
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* own Vendor ID, define it here. Otherwise you may use one of obdev's free
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* shared VID/PID pairs. Be sure to read USB-IDs-for-free.txt for rules!
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* *** IMPORTANT NOTE ***
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* This template uses obdev's shared VID/PID pair for Vendor Class devices
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* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand
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* the implications!
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*/
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#define USB_CFG_DEVICE_ID
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/* This is the ID of the product, low byte first. It is interpreted in the
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* scope of the vendor ID. If you have registered your own VID with usb.org
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* or if you have licensed a PID from somebody else, define it here. Otherwise
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* you may use one of obdev's free shared VID/PID pairs. See the file
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* USB-IDs-for-free.txt for details!
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* *** IMPORTANT NOTE ***
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* This template uses obdev's shared VID/PID pair for Vendor Class devices
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* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand
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* the implications!
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*/
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#define USB_CFG_DEVICE_CLASS 0
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#define USB_CFG_DEVICE_SUBCLASS 0
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/* See USB specification if you want to conform to an existing device class.
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* Class 0xff is "vendor specific".
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*/
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#define USB_CFG_INTERFACE_CLASS 3 /* HID */
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#define USB_CFG_INTERFACE_SUBCLASS 1 /* Boot */
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#define USB_CFG_INTERFACE_PROTOCOL 1 /* Keyboard */
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/* See USB specification if you want to conform to an existing device class or
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* protocol. The following classes must be set at interface level:
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* HID class is 3, no subclass and protocol required (but may be useful!)
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* CDC class is 2, use subclass 2 and protocol 1 for ACM
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*/
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#define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH 0
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/* Define this to the length of the HID report descriptor, if you implement
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* an HID device. Otherwise don't define it or define it to 0.
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* If you use this define, you must add a PROGMEM character array named
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* "usbHidReportDescriptor" to your code which contains the report descriptor.
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* Don't forget to keep the array and this define in sync!
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*/
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/* #define USB_PUBLIC static */
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/* Use the define above if you #include usbdrv.c instead of linking against it.
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* This technique saves a couple of bytes in flash memory.
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*/
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/* ------------------- Fine Control over USB Descriptors ------------------- */
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/* If you don't want to use the driver's default USB descriptors, you can
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* provide our own. These can be provided as (1) fixed length static data in
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* flash memory, (2) fixed length static data in RAM or (3) dynamically at
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* runtime in the function usbFunctionDescriptor(). See usbdrv.h for more
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* information about this function.
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* Descriptor handling is configured through the descriptor's properties. If
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* no properties are defined or if they are 0, the default descriptor is used.
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* Possible properties are:
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* + USB_PROP_IS_DYNAMIC: The data for the descriptor should be fetched
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* at runtime via usbFunctionDescriptor(). If the usbMsgPtr mechanism is
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* used, the data is in FLASH by default. Add property USB_PROP_IS_RAM if
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* you want RAM pointers.
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* + USB_PROP_IS_RAM: The data returned by usbFunctionDescriptor() or found
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* in static memory is in RAM, not in flash memory.
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* + USB_PROP_LENGTH(len): If the data is in static memory (RAM or flash),
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* the driver must know the descriptor's length. The descriptor itself is
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* found at the address of a well known identifier (see below).
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* List of static descriptor names (must be declared PROGMEM if in flash):
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* char usbDescriptorDevice[];
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* char usbDescriptorConfiguration[];
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* char usbDescriptorHidReport[];
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* char usbDescriptorString0[];
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* int usbDescriptorStringVendor[];
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* int usbDescriptorStringDevice[];
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* int usbDescriptorStringSerialNumber[];
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* Other descriptors can't be provided statically, they must be provided
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* dynamically at runtime.
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*
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* Descriptor properties are or-ed or added together, e.g.:
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* #define USB_CFG_DESCR_PROPS_DEVICE (USB_PROP_IS_RAM | USB_PROP_LENGTH(18))
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*
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* The following descriptors are defined:
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* USB_CFG_DESCR_PROPS_DEVICE
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* USB_CFG_DESCR_PROPS_CONFIGURATION
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* USB_CFG_DESCR_PROPS_STRINGS
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* USB_CFG_DESCR_PROPS_STRING_0
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* USB_CFG_DESCR_PROPS_STRING_VENDOR
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* USB_CFG_DESCR_PROPS_STRING_PRODUCT
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* USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER
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* USB_CFG_DESCR_PROPS_HID
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* USB_CFG_DESCR_PROPS_HID_REPORT
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* USB_CFG_DESCR_PROPS_UNKNOWN (for all descriptors not handled by the driver)
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*
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* Note about string descriptors: String descriptors are not just strings, they
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* are Unicode strings prefixed with a 2 byte header. Example:
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* int serialNumberDescriptor[] = {
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* USB_STRING_DESCRIPTOR_HEADER(6),
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* 'S', 'e', 'r', 'i', 'a', 'l'
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* };
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*/
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#define USB_CFG_DESCR_PROPS_DEVICE USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_CONFIGURATION USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_STRINGS USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_STRING_0 USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_STRING_VENDOR USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_STRING_PRODUCT USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_HID USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_HID_REPORT USB_PROP_IS_DYNAMIC
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#define USB_CFG_DESCR_PROPS_UNKNOWN 0
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#define usbMsgPtr_t unsigned short
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/* If usbMsgPtr_t is not defined, it defaults to 'uchar *'. We define it to
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* a scalar type here because gcc generates slightly shorter code for scalar
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* arithmetics than for pointer arithmetics. Remove this define for backward
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* type compatibility or define it to an 8 bit type if you use data in RAM only
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* and all RAM is below 256 bytes (tiny memory model in IAR CC).
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*/
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/* ----------------------- Optional MCU Description ------------------------ */
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/* The following configurations have working defaults in usbdrv.h. You
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* usually don't need to set them explicitly. Only if you want to run
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* the driver on a device which is not yet supported or with a compiler
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* which is not fully supported (such as IAR C) or if you use a differnt
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* interrupt than INT0, you may have to define some of these.
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*/
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/* #define USB_INTR_CFG MCUCR */
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/* #define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) */
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/* #define USB_INTR_CFG_CLR 0 */
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/* #define USB_INTR_ENABLE GIMSK */
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/* #define USB_INTR_ENABLE_BIT INT0 */
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/* #define USB_INTR_PENDING GIFR */
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/* #define USB_INTR_PENDING_BIT INTF0 */
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/* #define USB_INTR_VECTOR INT0_vect */
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/* Set INT1 for D- falling edge to count SOF */
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/* #define USB_INTR_CFG EICRA */
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#define USB_INTR_CFG_SET ((1 << ISC11) | (0 << ISC10))
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/* #define USB_INTR_CFG_CLR 0 */
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/* #define USB_INTR_ENABLE EIMSK */
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#define USB_INTR_ENABLE_BIT INT1
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/* #define USB_INTR_PENDING EIFR */
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#define USB_INTR_PENDING_BIT INTF1
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#define USB_INTR_VECTOR INT1_vect
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