usbconfig.h 17 KB

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  1. /* Name: usbconfig.h
  2. * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
  3. * Author: Christian Starkjohann
  4. * Creation Date: 2005-04-01
  5. * Tabsize: 4
  6. * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
  7. * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
  8. * This Revision: $Id: usbconfig-prototype.h 740 2009-04-13 18:23:31Z cs $
  9. */
  10. #ifndef __usbconfig_h_included__
  11. #define __usbconfig_h_included__
  12. /*
  13. General Description:
  14. This file is an example configuration (with inline documentation) for the USB
  15. driver. It configures V-USB for USB D+ connected to Port D bit 2 (which is
  16. also hardware interrupt 0 on many devices) and USB D- to Port D bit 4. You may
  17. wire the lines to any other port, as long as D+ is also wired to INT0 (or any
  18. other hardware interrupt, as long as it is the highest level interrupt, see
  19. section at the end of this file).
  20. */
  21. /* ---------------------------- Hardware Config ---------------------------- */
  22. #define USB_CFG_IOPORTNAME D
  23. /* This is the port where the USB bus is connected. When you configure it to
  24. * "B", the registers PORTB, PINB and DDRB will be used.
  25. */
  26. #define USB_CFG_DMINUS_BIT 4
  27. /* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected.
  28. * This may be any bit in the port.
  29. */
  30. #define USB_CFG_DPLUS_BIT 2
  31. /* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected.
  32. * This may be any bit in the port. Please note that D+ must also be connected
  33. * to interrupt pin INT0! [You can also use other interrupts, see section
  34. * "Optional MCU Description" below, or you can connect D- to the interrupt, as
  35. * it is required if you use the USB_COUNT_SOF feature. If you use D- for the
  36. * interrupt, the USB interrupt will also be triggered at Start-Of-Frame
  37. * markers every millisecond.]
  38. */
  39. #define USB_CFG_CLOCK_KHZ (F_CPU/1000)
  40. /* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000,
  41. * 16500 and 20000. The 12.8 MHz and 16.5 MHz versions of the code require no
  42. * crystal, they tolerate +/- 1% deviation from the nominal frequency. All
  43. * other rates require a precision of 2000 ppm and thus a crystal!
  44. * Default if not specified: 12 MHz
  45. */
  46. #define USB_CFG_CHECK_CRC 0
  47. /* Define this to 1 if you want that the driver checks integrity of incoming
  48. * data packets (CRC checks). CRC checks cost quite a bit of code size and are
  49. * currently only available for 18 MHz crystal clock. You must choose
  50. * USB_CFG_CLOCK_KHZ = 18000 if you enable this option.
  51. */
  52. /* ----------------------- Optional Hardware Config ------------------------ */
  53. #define USB_CFG_PULLUP_IOPORTNAME D
  54. /* If you connect the 1.5k pullup resistor from D- to a port pin instead of
  55. * V+, you can connect and disconnect the device from firmware by calling
  56. * the macros usbDeviceConnect() and usbDeviceDisconnect() (see usbdrv.h).
  57. * This constant defines the port on which the pullup resistor is connected.
  58. */
  59. #define USB_CFG_PULLUP_BIT 6
  60. /* This constant defines the bit number in USB_CFG_PULLUP_IOPORT (defined
  61. * above) where the 1.5k pullup resistor is connected. See description
  62. * above for details.
  63. */
  64. /* --------------------------- Functional Range ---------------------------- */
  65. #define USB_CFG_HAVE_INTRIN_ENDPOINT 0
  66. /* Define this to 1 if you want to compile a version with two endpoints: The
  67. * default control endpoint 0 and an interrupt-in endpoint (any other endpoint
  68. * number).
  69. */
  70. #define USB_CFG_HAVE_INTRIN_ENDPOINT3 0
  71. /* Define this to 1 if you want to compile a version with three endpoints: The
  72. * default control endpoint 0, an interrupt-in endpoint 3 (or the number
  73. * configured below) and a catch-all default interrupt-in endpoint as above.
  74. * You must also define USB_CFG_HAVE_INTRIN_ENDPOINT to 1 for this feature.
  75. */
  76. #define USB_CFG_EP3_NUMBER 3
  77. /* If the so-called endpoint 3 is used, it can now be configured to any other
  78. * endpoint number (except 0) with this macro. Default if undefined is 3.
  79. */
  80. /* #define USB_INITIAL_DATATOKEN USBPID_DATA1 */
  81. /* The above macro defines the startup condition for data toggling on the
  82. * interrupt/bulk endpoints 1 and 3. Defaults to USBPID_DATA1.
  83. * Since the token is toggled BEFORE sending any data, the first packet is
  84. * sent with the oposite value of this configuration!
  85. */
  86. #define USB_CFG_IMPLEMENT_HALT 0
  87. /* Define this to 1 if you also want to implement the ENDPOINT_HALT feature
  88. * for endpoint 1 (interrupt endpoint). Although you may not need this feature,
  89. * it is required by the standard. We have made it a config option because it
  90. * bloats the code considerably.
  91. */
  92. #define USB_CFG_SUPPRESS_INTR_CODE 1
  93. /* Define this to 1 if you want to declare interrupt-in endpoints, but don't
  94. * want to send any data over them. If this macro is defined to 1, functions
  95. * usbSetInterrupt() and usbSetInterrupt3() are omitted. This is useful if
  96. * you need the interrupt-in endpoints in order to comply to an interface
  97. * (e.g. HID), but never want to send any data. This option saves a couple
  98. * of bytes in flash memory and the transmit buffers in RAM.
  99. */
  100. #define USB_CFG_INTR_POLL_INTERVAL 10
  101. /* If you compile a version with endpoint 1 (interrupt-in), this is the poll
  102. * interval. The value is in milliseconds and must not be less than 10 ms for
  103. * low speed devices.
  104. */
  105. #define USB_CFG_IS_SELF_POWERED 0
  106. /* Define this to 1 if the device has its own power supply. Set it to 0 if the
  107. * device is powered from the USB bus.
  108. */
  109. #define USB_CFG_MAX_BUS_POWER 40
  110. /* Set this variable to the maximum USB bus power consumption of your device.
  111. * The value is in milliamperes. [It will be divided by two since USB
  112. * communicates power requirements in units of 2 mA.]
  113. */
  114. #define USB_CFG_IMPLEMENT_FN_WRITE 1
  115. /* Set this to 1 if you want usbFunctionWrite() to be called for control-out
  116. * transfers. Set it to 0 if you don't need it and want to save a couple of
  117. * bytes.
  118. */
  119. #define USB_CFG_IMPLEMENT_FN_READ 0
  120. /* Set this to 1 if you need to send control replies which are generated
  121. * "on the fly" when usbFunctionRead() is called. If you only want to send
  122. * data from a static buffer, set it to 0 and return the data from
  123. * usbFunctionSetup(). This saves a couple of bytes.
  124. */
  125. #define USB_CFG_IMPLEMENT_FN_WRITEOUT 0
  126. /* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints.
  127. * You must implement the function usbFunctionWriteOut() which receives all
  128. * interrupt/bulk data sent to any endpoint other than 0. The endpoint number
  129. * can be found in 'usbRxToken'.
  130. */
  131. #define USB_CFG_HAVE_FLOWCONTROL 0
  132. /* Define this to 1 if you want flowcontrol over USB data. See the definition
  133. * of the macros usbDisableAllRequests() and usbEnableAllRequests() in
  134. * usbdrv.h.
  135. */
  136. #define USB_CFG_LONG_TRANSFERS 0
  137. /* Define this to 1 if you want to send/receive blocks of more than 254 bytes
  138. * in a single control-in or control-out transfer. Note that the capability
  139. * for long transfers increases the driver size.
  140. */
  141. /* #define USB_RX_USER_HOOK(data, len) if(usbRxToken == (uchar)USBPID_SETUP) blinkLED(); */
  142. /* This macro is a hook if you want to do unconventional things. If it is
  143. * defined, it's inserted at the beginning of received message processing.
  144. * If you eat the received message and don't want default processing to
  145. * proceed, do a return after doing your things. One possible application
  146. * (besides debugging) is to flash a status LED on each packet.
  147. */
  148. /* #define USB_RESET_HOOK(resetStarts) if(!resetStarts){hadUsbReset();} */
  149. /* This macro is a hook if you need to know when an USB RESET occurs. It has
  150. * one parameter which distinguishes between the start of RESET state and its
  151. * end.
  152. */
  153. /* #define USB_SET_ADDRESS_HOOK() hadAddressAssigned(); */
  154. /* This macro (if defined) is executed when a USB SET_ADDRESS request was
  155. * received.
  156. */
  157. #define USB_COUNT_SOF 0
  158. /* define this macro to 1 if you need the global variable "usbSofCount" which
  159. * counts SOF packets. This feature requires that the hardware interrupt is
  160. * connected to D- instead of D+.
  161. */
  162. /* #ifdef __ASSEMBLER__
  163. * macro myAssemblerMacro
  164. * in YL, TCNT0
  165. * sts timer0Snapshot, YL
  166. * endm
  167. * #endif
  168. * #define USB_SOF_HOOK myAssemblerMacro
  169. * This macro (if defined) is executed in the assembler module when a
  170. * Start Of Frame condition is detected. It is recommended to define it to
  171. * the name of an assembler macro which is defined here as well so that more
  172. * than one assembler instruction can be used. The macro may use the register
  173. * YL and modify SREG. If it lasts longer than a couple of cycles, USB messages
  174. * immediately after an SOF pulse may be lost and must be retried by the host.
  175. * What can you do with this hook? Since the SOF signal occurs exactly every
  176. * 1 ms (unless the host is in sleep mode), you can use it to tune OSCCAL in
  177. * designs running on the internal RC oscillator.
  178. * Please note that Start Of Frame detection works only if D- is wired to the
  179. * interrupt, not D+. THIS IS DIFFERENT THAN MOST EXAMPLES!
  180. */
  181. #define USB_CFG_CHECK_DATA_TOGGLING 0
  182. /* define this macro to 1 if you want to filter out duplicate data packets
  183. * sent by the host. Duplicates occur only as a consequence of communication
  184. * errors, when the host does not receive an ACK. Please note that you need to
  185. * implement the filtering yourself in usbFunctionWriteOut() and
  186. * usbFunctionWrite(). Use the global usbCurrentDataToken and a static variable
  187. * for each control- and out-endpoint to check for duplicate packets.
  188. */
  189. #define USB_CFG_HAVE_MEASURE_FRAME_LENGTH 0
  190. /* define this macro to 1 if you want the function usbMeasureFrameLength()
  191. * compiled in. This function can be used to calibrate the AVR's RC oscillator.
  192. */
  193. /* -------------------------- Device Description --------------------------- */
  194. #define USB_CFG_VENDOR_ID 0xc0, 0x16
  195. /* USB vendor ID for the device, low byte first. If you have registered your
  196. * own Vendor ID, define it here. Otherwise you use one of obdev's free shared
  197. * VID/PID pairs. Be sure to read USBID-License.txt for rules!
  198. */
  199. #define USB_CFG_DEVICE_ID 0xdc, 0x05
  200. /* This is the ID of the product, low byte first. It is interpreted in the
  201. * scope of the vendor ID. If you have registered your own VID with usb.org
  202. * or if you have licensed a PID from somebody else, define it here. Otherwise
  203. * you use obdev's free shared VID/PID pair. Be sure to read the rules in
  204. * USBID-License.txt!
  205. */
  206. #define USB_CFG_DEVICE_VERSION 0x00, 0x01
  207. /* Version number of the device: Minor number first, then major number.
  208. */
  209. #define USB_CFG_VENDOR_NAME 'o', 'p', 't', 'i', 'x', 'x', '.', 'o', 'r', 'g'
  210. #define USB_CFG_VENDOR_NAME_LEN 10
  211. /* These two values define the vendor name returned by the USB device. The name
  212. * must be given as a list of characters under single quotes. The characters
  213. * are interpreted as Unicode (UTF-16) entities.
  214. * If you don't want a vendor name string, undefine these macros.
  215. * ALWAYS define a vendor name containing your Internet domain name if you use
  216. * obdev's free shared VID/PID pair. See the file USBID-License.txt for
  217. * details.
  218. */
  219. #define USB_CFG_DEVICE_NAME 'S', 'N', 'E', 'S', 'R', 'A', 'M'
  220. #define USB_CFG_DEVICE_NAME_LEN 7
  221. /* Same as above for the device name. If you don't want a device name, undefine
  222. * the macros. See the file USBID-License.txt before you assign a name if you
  223. * use a shared VID/PID.
  224. */
  225. /*#define USB_CFG_SERIAL_NUMBER 'N', 'o', 'n', 'e' */
  226. /*#define USB_CFG_SERIAL_NUMBER_LEN 0 */
  227. /* Same as above for the serial number. If you don't want a serial number,
  228. * undefine the macros.
  229. * It may be useful to provide the serial number through other means than at
  230. * compile time. See the section about descriptor properties below for how
  231. * to fine tune control over USB descriptors such as the string descriptor
  232. * for the serial number.
  233. */
  234. #define USB_CFG_DEVICE_CLASS 0xff /* set to 0 if deferred to interface */
  235. #define USB_CFG_DEVICE_SUBCLASS 0
  236. /* See USB specification if you want to conform to an existing device class.
  237. * Class 0xff is "vendor specific".
  238. */
  239. #define USB_CFG_INTERFACE_CLASS 0 /* define class here if not at device level */
  240. #define USB_CFG_INTERFACE_SUBCLASS 0
  241. #define USB_CFG_INTERFACE_PROTOCOL 0
  242. /* See USB specification if you want to conform to an existing device class or
  243. * protocol. The following classes must be set at interface level:
  244. * HID class is 3, no subclass and protocol required (but may be useful!)
  245. * CDC class is 2, use subclass 2 and protocol 1 for ACM
  246. */
  247. #define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH 0
  248. /* Define this to the length of the HID report descriptor, if you implement
  249. * an HID device. Otherwise don't define it or define it to 0.
  250. * If you use this define, you must add a PROGMEM character array named
  251. * "usbHidReportDescriptor" to your code which contains the report descriptor.
  252. * Don't forget to keep the array and this define in sync!
  253. */
  254. /* #define USB_PUBLIC static */
  255. /* Use the define above if you #include usbdrv.c instead of linking against it.
  256. * This technique saves a couple of bytes in flash memory.
  257. */
  258. /* ------------------- Fine Control over USB Descriptors ------------------- */
  259. /* If you don't want to use the driver's default USB descriptors, you can
  260. * provide our own. These can be provided as (1) fixed length static data in
  261. * flash memory, (2) fixed length static data in RAM or (3) dynamically at
  262. * runtime in the function usbFunctionDescriptor(). See usbdrv.h for more
  263. * information about this function.
  264. * Descriptor handling is configured through the descriptor's properties. If
  265. * no properties are defined or if they are 0, the default descriptor is used.
  266. * Possible properties are:
  267. * + USB_PROP_IS_DYNAMIC: The data for the descriptor should be fetched
  268. * at runtime via usbFunctionDescriptor(). If the usbMsgPtr mechanism is
  269. * used, the data is in FLASH by default. Add property USB_PROP_IS_RAM if
  270. * you want RAM pointers.
  271. * + USB_PROP_IS_RAM: The data returned by usbFunctionDescriptor() or found
  272. * in static memory is in RAM, not in flash memory.
  273. * + USB_PROP_LENGTH(len): If the data is in static memory (RAM or flash),
  274. * the driver must know the descriptor's length. The descriptor itself is
  275. * found at the address of a well known identifier (see below).
  276. * List of static descriptor names (must be declared PROGMEM if in flash):
  277. * char usbDescriptorDevice[];
  278. * char usbDescriptorConfiguration[];
  279. * char usbDescriptorHidReport[];
  280. * char usbDescriptorString0[];
  281. * int usbDescriptorStringVendor[];
  282. * int usbDescriptorStringDevice[];
  283. * int usbDescriptorStringSerialNumber[];
  284. * Other descriptors can't be provided statically, they must be provided
  285. * dynamically at runtime.
  286. *
  287. * Descriptor properties are or-ed or added together, e.g.:
  288. * #define USB_CFG_DESCR_PROPS_DEVICE (USB_PROP_IS_RAM | USB_PROP_LENGTH(18))
  289. *
  290. * The following descriptors are defined:
  291. * USB_CFG_DESCR_PROPS_DEVICE
  292. * USB_CFG_DESCR_PROPS_CONFIGURATION
  293. * USB_CFG_DESCR_PROPS_STRINGS
  294. * USB_CFG_DESCR_PROPS_STRING_0
  295. * USB_CFG_DESCR_PROPS_STRING_VENDOR
  296. * USB_CFG_DESCR_PROPS_STRING_PRODUCT
  297. * USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER
  298. * USB_CFG_DESCR_PROPS_HID
  299. * USB_CFG_DESCR_PROPS_HID_REPORT
  300. * USB_CFG_DESCR_PROPS_UNKNOWN (for all descriptors not handled by the driver)
  301. *
  302. * Note about string descriptors: String descriptors are not just strings, they
  303. * are Unicode strings prefixed with a 2 byte header. Example:
  304. * int serialNumberDescriptor[] = {
  305. * USB_STRING_DESCRIPTOR_HEADER(6),
  306. * 'S', 'e', 'r', 'i', 'a', 'l'
  307. * };
  308. */
  309. #define USB_CFG_DESCR_PROPS_DEVICE 0
  310. #define USB_CFG_DESCR_PROPS_CONFIGURATION 0
  311. #define USB_CFG_DESCR_PROPS_STRINGS 0
  312. #define USB_CFG_DESCR_PROPS_STRING_0 0
  313. #define USB_CFG_DESCR_PROPS_STRING_VENDOR 0
  314. #define USB_CFG_DESCR_PROPS_STRING_PRODUCT 0
  315. #define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER 0
  316. #define USB_CFG_DESCR_PROPS_HID 0
  317. #define USB_CFG_DESCR_PROPS_HID_REPORT 0
  318. #define USB_CFG_DESCR_PROPS_UNKNOWN 0
  319. /* ----------------------- Optional MCU Description ------------------------ */
  320. /* The following configurations have working defaults in usbdrv.h. You
  321. * usually don't need to set them explicitly. Only if you want to run
  322. * the driver on a device which is not yet supported or with a compiler
  323. * which is not fully supported (such as IAR C) or if you use a differnt
  324. * interrupt than INT0, you may have to define some of these.
  325. */
  326. /* #define USB_INTR_CFG MCUCR */
  327. /* #define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) */
  328. /* #define USB_INTR_CFG_CLR 0 */
  329. /* #define USB_INTR_ENABLE GIMSK */
  330. /* #define USB_INTR_ENABLE_BIT INT0 */
  331. /* #define USB_INTR_PENDING GIFR */
  332. /* #define USB_INTR_PENDING_BIT INTF0 */
  333. /* #define USB_INTR_VECTOR SIG_INTERRUPT0 */
  334. #endif /* __usbconfig_h_included__ */