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2016-02-09 12:29:43 +01:00
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64
packages/vusb-20121206/examples/custom-class/Readme.txt Normal file
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This is the Readme file for the custom-class example. In this example, we
show how an LED can be controlled via USB.
WHAT IS DEMONSTRATED?
=====================
This example shows how small amounts of data (several bytes) can be
transferred between the device and the host. In addition to a very basic
USB device, it demonstrates how to build a host side driver application
using libusb or libusb-win32. It does NOT show how usbFunctionWrite() and
usbFunctionRead() are used. See the hid-data example if you want to learn
about these functions.
PREREQUISITES
=============
Target hardware: You need an AVR based circuit based on one of the examples
(see the "circuits" directory at the top level of this package), e.g. the
metaboard (http://www.obdev.at/goto.php?t=metaboard).
AVR development environment: You need the gcc tool chain for the AVR, see
the Prerequisites section in the top level Readme file for how to obtain it.
Host development environment: A C compiler and libusb. See the top level
Readme file, section Prerequisites for more information.
BUILDING THE FIRMWARE
=====================
Change to the "firmware" directory and modify Makefile according to your
architecture (CPU clock, target device, fuse values) and ISP programmer. Then
edit usbconfig.h according to your pin assignments for D+ and D-. The default
settings are for the metaboard hardware. You should have wired an LED with a
current limiting resistor of ca. 270 Ohm to a free I/O pin. Change the
defines in main.c to match the port and bit number.
Type "make hex" to build main.hex, then "make flash" to upload the firmware
to the device. Don't forget to run "make fuse" once to program the fuses. If
you use a prototyping board with boot loader, follow the instructions of the
boot loader instead.
Please note that the first "make hex" copies the driver from the top level
into the firmware directory. If you use a different build system than our
Makefile, you must copy the driver by hand.
BUILDING THE HOST SOFTWARE
==========================
Since the host software is based on libusb or libusb-win32, make sure that
this library is installed. On Unix, ensure that libusb-config is in your
search PATH. On Windows, edit Makefile.windows and set the library path
appropriately. Then type "make" on Unix or "make -f Makefile.windows" on
Windows to build the command line tool.
USING THE COMMAND LINE TOOL
===========================
The command line tool has three valid arguments: "status" to query the
current LED status, "on" to turn on the LED and "off" to turn it off.
----------------------------------------------------------------------------
(c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH.
http://www.obdev.at/

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# Name: Makefile
# Project: custom-class example
# Author: Christian Starkjohann
# Creation Date: 2008-04-06
# Tabsize: 4
# Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
# Concigure the following definitions according to your system.
# This Makefile has been tested on Mac OS X, Linux and Windows.
# Use the following 3 lines on Unix (uncomment the framework on Mac OS X):
USBFLAGS = `libusb-config --cflags`
USBLIBS = `libusb-config --libs`
EXE_SUFFIX =
# Use the following 3 lines on Windows and comment out the 3 above. You may
# have to change the include paths to where you installed libusb-win32
#USBFLAGS = -I/usr/local/include
#USBLIBS = -L/usr/local/lib -lusb
#EXE_SUFFIX = .exe
NAME = set-led
OBJECTS = opendevice.o $(NAME).o
CC = gcc
CFLAGS = $(CPPFLAGS) $(USBFLAGS) -O -g -Wall
LIBS = $(USBLIBS)
PROGRAM = $(NAME)$(EXE_SUFFIX)
all: $(PROGRAM)
.c.o:
$(CC) $(CFLAGS) -c $<
$(PROGRAM): $(OBJECTS)
$(CC) -o $(PROGRAM) $(OBJECTS) $(LIBS)
strip: $(PROGRAM)
strip $(PROGRAM)
clean:
rm -f *.o $(PROGRAM)

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packages/vusb-20121206/examples/custom-class/commandline/Makefile.windows Normal file
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# Name: Makefile.windows
# Project: custom-class example
# Author: Christian Starkjohann
# Creation Date: 2008-04-06
# Tabsize: 4
# Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
# You may use this file with
# make -f Makefile.windows
# on Windows with MinGW instead of editing the main Makefile.
include Makefile
USBFLAGS = -I/usr/local/mingw/include
USBLIBS = -L/usr/local/mingw/lib -lusb
EXE_SUFFIX = .exe

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packages/vusb-20121206/examples/custom-class/commandline/opendevice.c Normal file
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/* Name: opendevice.c
* Project: V-USB host-side library
* Author: Christian Starkjohann
* Creation Date: 2008-04-10
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
/*
General Description:
The functions in this module can be used to find and open a device based on
libusb or libusb-win32.
*/
#include <stdio.h>
#include "opendevice.h"
/* ------------------------------------------------------------------------- */
#define MATCH_SUCCESS 1
#define MATCH_FAILED 0
#define MATCH_ABORT -1
/* private interface: match text and p, return MATCH_SUCCESS, MATCH_FAILED, or MATCH_ABORT. */
static int _shellStyleMatch(char *text, char *p)
{
int last, matched, reverse;
for(; *p; text++, p++){
if(*text == 0 && *p != '*')
return MATCH_ABORT;
switch(*p){
case '\\':
/* Literal match with following character. */
p++;
/* FALLTHROUGH */
default:
if(*text != *p)
return MATCH_FAILED;
continue;
case '?':
/* Match anything. */
continue;
case '*':
while(*++p == '*')
/* Consecutive stars act just like one. */
continue;
if(*p == 0)
/* Trailing star matches everything. */
return MATCH_SUCCESS;
while(*text)
if((matched = _shellStyleMatch(text++, p)) != MATCH_FAILED)
return matched;
return MATCH_ABORT;
case '[':
reverse = p[1] == '^';
if(reverse) /* Inverted character class. */
p++;
matched = MATCH_FAILED;
if(p[1] == ']' || p[1] == '-')
if(*++p == *text)
matched = MATCH_SUCCESS;
for(last = *p; *++p && *p != ']'; last = *p)
if (*p == '-' && p[1] != ']' ? *text <= *++p && *text >= last : *text == *p)
matched = MATCH_SUCCESS;
if(matched == reverse)
return MATCH_FAILED;
continue;
}
}
return *text == 0;
}
/* public interface for shell style matching: returns 0 if fails, 1 if matches */
static int shellStyleMatch(char *text, char *pattern)
{
if(pattern == NULL) /* NULL pattern is synonymous to "*" */
return 1;
return _shellStyleMatch(text, pattern) == MATCH_SUCCESS;
}
/* ------------------------------------------------------------------------- */
int usbGetStringAscii(usb_dev_handle *dev, int index, char *buf, int buflen)
{
char buffer[256];
int rval, i;
if((rval = usb_get_string_simple(dev, index, buf, buflen)) >= 0) /* use libusb version if it works */
return rval;
if((rval = usb_control_msg(dev, USB_ENDPOINT_IN, USB_REQ_GET_DESCRIPTOR, (USB_DT_STRING << 8) + index, 0x0409, buffer, sizeof(buffer), 5000)) < 0)
return rval;
if(buffer[1] != USB_DT_STRING){
*buf = 0;
return 0;
}
if((unsigned char)buffer[0] < rval)
rval = (unsigned char)buffer[0];
rval /= 2;
/* lossy conversion to ISO Latin1: */
for(i=1;i<rval;i++){
if(i > buflen) /* destination buffer overflow */
break;
buf[i-1] = buffer[2 * i];
if(buffer[2 * i + 1] != 0) /* outside of ISO Latin1 range */
buf[i-1] = '?';
}
buf[i-1] = 0;
return i-1;
}
/* ------------------------------------------------------------------------- */
int usbOpenDevice(usb_dev_handle **device, int vendorID, char *vendorNamePattern, int productID, char *productNamePattern, char *serialNamePattern, FILE *printMatchingDevicesFp, FILE *warningsFp)
{
struct usb_bus *bus;
struct usb_device *dev;
usb_dev_handle *handle = NULL;
int errorCode = USBOPEN_ERR_NOTFOUND;
usb_find_busses();
usb_find_devices();
for(bus = usb_get_busses(); bus; bus = bus->next){
for(dev = bus->devices; dev; dev = dev->next){ /* iterate over all devices on all busses */
if((vendorID == 0 || dev->descriptor.idVendor == vendorID)
&& (productID == 0 || dev->descriptor.idProduct == productID)){
char vendor[256], product[256], serial[256];
int len;
handle = usb_open(dev); /* we need to open the device in order to query strings */
if(!handle){
errorCode = USBOPEN_ERR_ACCESS;
if(warningsFp != NULL)
fprintf(warningsFp, "Warning: cannot open VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror());
continue;
}
/* now check whether the names match: */
len = vendor[0] = 0;
if(dev->descriptor.iManufacturer > 0){
len = usbGetStringAscii(handle, dev->descriptor.iManufacturer, vendor, sizeof(vendor));
}
if(len < 0){
errorCode = USBOPEN_ERR_ACCESS;
if(warningsFp != NULL)
fprintf(warningsFp, "Warning: cannot query manufacturer for VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror());
}else{
errorCode = USBOPEN_ERR_NOTFOUND;
/* printf("seen device from vendor ->%s<-\n", vendor); */
if(shellStyleMatch(vendor, vendorNamePattern)){
len = product[0] = 0;
if(dev->descriptor.iProduct > 0){
len = usbGetStringAscii(handle, dev->descriptor.iProduct, product, sizeof(product));
}
if(len < 0){
errorCode = USBOPEN_ERR_ACCESS;
if(warningsFp != NULL)
fprintf(warningsFp, "Warning: cannot query product for VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror());
}else{
errorCode = USBOPEN_ERR_NOTFOUND;
/* printf("seen product ->%s<-\n", product); */
if(shellStyleMatch(product, productNamePattern)){
len = serial[0] = 0;
if(dev->descriptor.iSerialNumber > 0){
len = usbGetStringAscii(handle, dev->descriptor.iSerialNumber, serial, sizeof(serial));
}
if(len < 0){
errorCode = USBOPEN_ERR_ACCESS;
if(warningsFp != NULL)
fprintf(warningsFp, "Warning: cannot query serial for VID=0x%04x PID=0x%04x: %s\n", dev->descriptor.idVendor, dev->descriptor.idProduct, usb_strerror());
}
if(shellStyleMatch(serial, serialNamePattern)){
if(printMatchingDevicesFp != NULL){
if(serial[0] == 0){
fprintf(printMatchingDevicesFp, "VID=0x%04x PID=0x%04x vendor=\"%s\" product=\"%s\"\n", dev->descriptor.idVendor, dev->descriptor.idProduct, vendor, product);
}else{
fprintf(printMatchingDevicesFp, "VID=0x%04x PID=0x%04x vendor=\"%s\" product=\"%s\" serial=\"%s\"\n", dev->descriptor.idVendor, dev->descriptor.idProduct, vendor, product, serial);
}
}else{
break;
}
}
}
}
}
}
usb_close(handle);
handle = NULL;
}
}
if(handle) /* we have found a deice */
break;
}
if(handle != NULL){
errorCode = 0;
*device = handle;
}
if(printMatchingDevicesFp != NULL) /* never return an error for listing only */
errorCode = 0;
return errorCode;
}
/* ------------------------------------------------------------------------- */

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packages/vusb-20121206/examples/custom-class/commandline/opendevice.h Normal file
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/* Name: opendevice.h
* Project: V-USB host-side library
* Author: Christian Starkjohann
* Creation Date: 2008-04-10
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
/*
General Description:
This module offers additional functionality for host side drivers based on
libusb or libusb-win32. It includes a function to find and open a device
based on numeric IDs and textual description. It also includes a function to
obtain textual descriptions from a device.
To use this functionality, simply copy opendevice.c and opendevice.h into your
project and add them to your Makefile. You may modify and redistribute these
files according to the GNU General Public License (GPL) version 2 or 3.
*/
#ifndef __OPENDEVICE_H_INCLUDED__
#define __OPENDEVICE_H_INCLUDED__
#include <usb.h> /* this is libusb, see http://libusb.sourceforge.net/ */
#include <stdio.h>
int usbGetStringAscii(usb_dev_handle *dev, int index, char *buf, int buflen);
/* This function gets a string descriptor from the device. 'index' is the
* string descriptor index. The string is returned in ISO Latin 1 encoding in
* 'buf' and it is terminated with a 0-character. The buffer size must be
* passed in 'buflen' to prevent buffer overflows. A libusb device handle
* must be given in 'dev'.
* Returns: The length of the string (excluding the terminating 0) or
* a negative number in case of an error. If there was an error, use
* usb_strerror() to obtain the error message.
*/
int usbOpenDevice(usb_dev_handle **device, int vendorID, char *vendorNamePattern, int productID, char *productNamePattern, char *serialNamePattern, FILE *printMatchingDevicesFp, FILE *warningsFp);
/* This function iterates over all devices on all USB busses and searches for
* a device. Matching is done first by means of Vendor- and Product-ID (passed
* in 'vendorID' and 'productID'. An ID of 0 matches any numeric ID (wildcard).
* When a device matches by its IDs, matching by names is performed. Name
* matching can be done on textual vendor name ('vendorNamePattern'), product
* name ('productNamePattern') and serial number ('serialNamePattern'). A
* device matches only if all non-null pattern match. If you don't care about
* a string, pass NULL for the pattern. Patterns are Unix shell style pattern:
* '*' stands for 0 or more characters, '?' for one single character, a list
* of characters in square brackets for a single character from the list
* (dashes are allowed to specify a range) and if the lis of characters begins
* with a caret ('^'), it matches one character which is NOT in the list.
* Other parameters to the function: If 'warningsFp' is not NULL, warning
* messages are printed to this file descriptor with fprintf(). If
* 'printMatchingDevicesFp' is not NULL, no device is opened but matching
* devices are printed to the given file descriptor with fprintf().
* If a device is opened, the resulting USB handle is stored in '*device'. A
* pointer to a "usb_dev_handle *" type variable must be passed here.
* Returns: 0 on success, an error code (see defines below) on failure.
*/
/* usbOpenDevice() error codes: */
#define USBOPEN_SUCCESS 0 /* no error */
#define USBOPEN_ERR_ACCESS 1 /* not enough permissions to open device */
#define USBOPEN_ERR_IO 2 /* I/O error */
#define USBOPEN_ERR_NOTFOUND 3 /* device not found */
/* Obdev's free USB IDs, see USB-IDs-for-free.txt for details */
#define USB_VID_OBDEV_SHARED 5824 /* obdev's shared vendor ID */
#define USB_PID_OBDEV_SHARED_CUSTOM 1500 /* shared PID for custom class devices */
#define USB_PID_OBDEV_SHARED_HID 1503 /* shared PID for HIDs except mice & keyboards */
#define USB_PID_OBDEV_SHARED_CDCACM 1505 /* shared PID for CDC Modem devices */
#define USB_PID_OBDEV_SHARED_MIDI 1508 /* shared PID for MIDI class devices */
#endif /* __OPENDEVICE_H_INCLUDED__ */

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/* Name: set-led.c
* Project: custom-class, a basic USB example
* Author: Christian Starkjohann
* Creation Date: 2008-04-10
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
/*
General Description:
This is the host-side driver for the custom-class example device. It searches
the USB for the LEDControl device and sends the requests understood by this
device.
This program must be linked with libusb on Unix and libusb-win32 on Windows.
See http://libusb.sourceforge.net/ or http://libusb-win32.sourceforge.net/
respectively.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <usb.h> /* this is libusb */
#include "opendevice.h" /* common code moved to separate module */
#include "../firmware/requests.h" /* custom request numbers */
#include "../firmware/usbconfig.h" /* device's VID/PID and names */
static void usage(char *name)
{
fprintf(stderr, "usage:\n");
fprintf(stderr, " %s on ....... turn on LED\n", name);
fprintf(stderr, " %s off ...... turn off LED\n", name);
fprintf(stderr, " %s status ... ask current status of LED\n", name);
#if ENABLE_TEST
fprintf(stderr, " %s test ..... run driver reliability test\n", name);
#endif /* ENABLE_TEST */
}
int main(int argc, char **argv)
{
usb_dev_handle *handle = NULL;
const unsigned char rawVid[2] = {USB_CFG_VENDOR_ID}, rawPid[2] = {USB_CFG_DEVICE_ID};
char vendor[] = {USB_CFG_VENDOR_NAME, 0}, product[] = {USB_CFG_DEVICE_NAME, 0};
char buffer[4];
int cnt, vid, pid, isOn;
usb_init();
if(argc < 2){ /* we need at least one argument */
usage(argv[0]);
exit(1);
}
/* compute VID/PID from usbconfig.h so that there is a central source of information */
vid = rawVid[1] * 256 + rawVid[0];
pid = rawPid[1] * 256 + rawPid[0];
/* The following function is in opendevice.c: */
if(usbOpenDevice(&handle, vid, vendor, pid, product, NULL, NULL, NULL) != 0){
fprintf(stderr, "Could not find USB device \"%s\" with vid=0x%x pid=0x%x\n", product, vid, pid);
exit(1);
}
/* Since we use only control endpoint 0, we don't need to choose a
* configuration and interface. Reading device descriptor and setting a
* configuration and interface is done through endpoint 0 after all.
* However, newer versions of Linux require that we claim an interface
* even for endpoint 0. Enable the following code if your operating system
* needs it: */
#if 0
int retries = 1, usbConfiguration = 1, usbInterface = 0;
if(usb_set_configuration(handle, usbConfiguration) && showWarnings){
fprintf(stderr, "Warning: could not set configuration: %s\n", usb_strerror());
}
/* now try to claim the interface and detach the kernel HID driver on
* Linux and other operating systems which support the call. */
while((len = usb_claim_interface(handle, usbInterface)) != 0 && retries-- > 0){
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
if(usb_detach_kernel_driver_np(handle, 0) < 0 && showWarnings){
fprintf(stderr, "Warning: could not detach kernel driver: %s\n", usb_strerror());
}
#endif
}
#endif
if(strcasecmp(argv[1], "status") == 0){
cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, CUSTOM_RQ_GET_STATUS, 0, 0, buffer, sizeof(buffer), 5000);
if(cnt < 1){
if(cnt < 0){
fprintf(stderr, "USB error: %s\n", usb_strerror());
}else{
fprintf(stderr, "only %d bytes received.\n", cnt);
}
}else{
printf("LED is %s\n", buffer[0] ? "on" : "off");
}
}else if((isOn = (strcasecmp(argv[1], "on") == 0)) || strcasecmp(argv[1], "off") == 0){
cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_STATUS, isOn, 0, buffer, 0, 5000);
if(cnt < 0){
fprintf(stderr, "USB error: %s\n", usb_strerror());
}
#if ENABLE_TEST
}else if(strcasecmp(argv[1], "test") == 0){
int i;
srandomdev();
for(i = 0; i < 50000; i++){
int value = random() & 0xffff, index = random() & 0xffff;
int rxValue, rxIndex;
if((i+1) % 100 == 0){
fprintf(stderr, "\r%05d", i+1);
fflush(stderr);
}
cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, CUSTOM_RQ_ECHO, value, index, buffer, sizeof(buffer), 5000);
if(cnt < 0){
fprintf(stderr, "\nUSB error in iteration %d: %s\n", i, usb_strerror());
break;
}else if(cnt != 4){
fprintf(stderr, "\nerror in iteration %d: %d bytes received instead of 4\n", i, cnt);
break;
}
rxValue = ((int)buffer[0] & 0xff) | (((int)buffer[1] & 0xff) << 8);
rxIndex = ((int)buffer[2] & 0xff) | (((int)buffer[3] & 0xff) << 8);
if(rxValue != value || rxIndex != index){
fprintf(stderr, "\ndata error in iteration %d:\n", i);
fprintf(stderr, "rxValue = 0x%04x value = 0x%04x\n", rxValue, value);
fprintf(stderr, "rxIndex = 0x%04x index = 0x%04x\n", rxIndex, index);
}
}
fprintf(stderr, "\nTest completed.\n");
#endif /* ENABLE_TEST */
}else{
usage(argv[0]);
exit(1);
}
usb_close(handle);
return 0;
}

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# Name: Makefile
# Project: custom-class example
# Author: Christian Starkjohann
# Creation Date: 2008-04-07
# Tabsize: 4
# Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
DEVICE = atmega168
F_CPU = 16000000 # in Hz
FUSE_L = # see below for fuse values for particular devices
FUSE_H =
AVRDUDE = avrdude -c usbasp -p $(DEVICE) # edit this line for your programmer
CFLAGS = -Iusbdrv -I. -DDEBUG_LEVEL=0
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
COMPILE = avr-gcc -Wall -Os -DF_CPU=$(F_CPU) $(CFLAGS) -mmcu=$(DEVICE)
##############################################################################
# Fuse values for particular devices
##############################################################################
# If your device is not listed here, go to
# http://palmavr.sourceforge.net/cgi-bin/fc.cgi
# and choose options for external crystal clock and no clock divider
#
################################## ATMega8 ##################################
# ATMega8 FUSE_L (Fuse low byte):
# 0x9f = 1 0 0 1 1 1 1 1
# ^ ^ \ / \--+--/
# | | | +------- CKSEL 3..0 (external >8M crystal)
# | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
# | +------------------ BODEN (BrownOut Detector enabled)
# +-------------------- BODLEVEL (2.7V)
# ATMega8 FUSE_H (Fuse high byte):
# 0xc9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
# ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
# | | | | | +-------- BOOTSZ1
# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
# | | | +-------------- CKOPT (full output swing)
# | | +---------------- SPIEN (allow serial programming)
# | +------------------ WDTON (WDT not always on)
# +-------------------- RSTDISBL (reset pin is enabled)
#
############################## ATMega48/88/168 ##############################
# ATMega*8 FUSE_L (Fuse low byte):
# 0xdf = 1 1 0 1 1 1 1 1
# ^ ^ \ / \--+--/
# | | | +------- CKSEL 3..0 (external >8M crystal)
# | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
# | +------------------ CKOUT (if 0: Clock output enabled)
# +-------------------- CKDIV8 (if 0: divide by 8)
# ATMega*8 FUSE_H (Fuse high byte):
# 0xde = 1 1 0 1 1 1 1 0
# ^ ^ ^ ^ ^ \-+-/
# | | | | | +------ BODLEVEL 0..2 (110 = 1.8 V)
# | | | | + --------- EESAVE (preserve EEPROM over chip erase)
# | | | +-------------- WDTON (if 0: watchdog always on)
# | | +---------------- SPIEN (allow serial programming)
# | +------------------ DWEN (debug wire enable)
# +-------------------- RSTDISBL (reset pin is enabled)
#
############################## ATTiny25/45/85 ###############################
# ATMega*5 FUSE_L (Fuse low byte):
# 0xef = 1 1 1 0 1 1 1 1
# ^ ^ \+/ \--+--/
# | | | +------- CKSEL 3..0 (clock selection -> crystal @ 12 MHz)
# | | +--------------- SUT 1..0 (BOD enabled, fast rising power)
# | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
# +-------------------- CKDIV8 (divide clock by 8 -> don't divide)
# ATMega*5 FUSE_H (Fuse high byte):
# 0xdd = 1 1 0 1 1 1 0 1
# ^ ^ ^ ^ ^ \-+-/
# | | | | | +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
# | | | | +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
# | | | +-------------- WDTON (watchdog timer always on -> disable)
# | | +---------------- SPIEN (enable serial programming -> enabled)
# | +------------------ DWEN (debug wire enable)
# +-------------------- RSTDISBL (disable external reset -> enabled)
#
################################ ATTiny2313 #################################
# ATTiny2313 FUSE_L (Fuse low byte):
# 0xef = 1 1 1 0 1 1 1 1
# ^ ^ \+/ \--+--/
# | | | +------- CKSEL 3..0 (clock selection -> crystal @ 12 MHz)
# | | +--------------- SUT 1..0 (BOD enabled, fast rising power)
# | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
# +-------------------- CKDIV8 (divide clock by 8 -> don't divide)
# ATTiny2313 FUSE_H (Fuse high byte):
# 0xdb = 1 1 0 1 1 0 1 1
# ^ ^ ^ ^ \-+-/ ^
# | | | | | +---- RSTDISBL (disable external reset -> enabled)
# | | | | +-------- BODLEVEL 2..0 (brownout trigger level -> 2.7V)
# | | | +-------------- WDTON (watchdog timer always on -> disable)
# | | +---------------- SPIEN (enable serial programming -> enabled)
# | +------------------ EESAVE (preserve EEPROM on Chip Erase -> not preserved)
# +-------------------- DWEN (debug wire enable)
# symbolic targets:
help:
@echo "This Makefile has no default rule. Use one of the following:"
@echo "make hex ....... to build main.hex"
@echo "make program ... to flash fuses and firmware"
@echo "make fuse ...... to flash the fuses"
@echo "make flash ..... to flash the firmware (use this on metaboard)"
@echo "make clean ..... to delete objects and hex file"
hex: main.hex
program: flash fuse
# rule for programming fuse bits:
fuse:
@[ "$(FUSE_H)" != "" -a "$(FUSE_L)" != "" ] || \
{ echo "*** Edit Makefile and choose values for FUSE_L and FUSE_H!"; exit 1; }
$(AVRDUDE) -U hfuse:w:$(FUSE_H):m -U lfuse:w:$(FUSE_L):m
# rule for uploading firmware:
flash: main.hex
$(AVRDUDE) -U flash:w:main.hex:i
# rule for deleting dependent files (those which can be built by Make):
clean:
rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.elf *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
# Generic rule for compiling C files:
.c.o:
$(COMPILE) -c $< -o $@
# Generic rule for assembling Assembler source files:
.S.o:
$(COMPILE) -x assembler-with-cpp -c $< -o $@
# "-x assembler-with-cpp" should not be necessary since this is the default
# file type for the .S (with capital S) extension. However, upper case
# characters are not always preserved on Windows. To ensure WinAVR
# compatibility define the file type manually.
# Generic rule for compiling C to assembler, used for debugging only.
.c.s:
$(COMPILE) -S $< -o $@
# file targets:
# Since we don't want to ship the driver multipe times, we copy it into this project:
usbdrv:
cp -r ../../../usbdrv .
main.elf: usbdrv $(OBJECTS) # usbdrv dependency only needed because we copy it
$(COMPILE) -o main.elf $(OBJECTS)
main.hex: main.elf
rm -f main.hex main.eep.hex
avr-objcopy -j .text -j .data -O ihex main.elf main.hex
avr-size main.hex
# debugging targets:
disasm: main.elf
avr-objdump -d main.elf
cpp:
$(COMPILE) -E main.c

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/* Name: main.c
* Project: custom-class, a basic USB example
* Author: Christian Starkjohann
* Creation Date: 2008-04-09
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
/*
This example should run on most AVRs with only little changes. No special
hardware resources except INT0 are used. You may have to change usbconfig.h for
different I/O pins for USB. Please note that USB D+ must be the INT0 pin, or
at least be connected to INT0 as well.
We assume that an LED is connected to port B bit 0. If you connect it to a
different port or bit, change the macros below:
*/
#define LED_PORT_DDR DDRB
#define LED_PORT_OUTPUT PORTB
#define LED_BIT 0
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h> /* for sei() */
#include <util/delay.h> /* for _delay_ms() */
#include <avr/pgmspace.h> /* required by usbdrv.h */
#include "usbdrv.h"
#include "oddebug.h" /* This is also an example for using debug macros */
#include "requests.h" /* The custom request numbers we use */
/* ------------------------------------------------------------------------- */
/* ----------------------------- USB interface ----------------------------- */
/* ------------------------------------------------------------------------- */
usbMsgLen_t usbFunctionSetup(uchar data[8])
{
usbRequest_t *rq = (void *)data;
static uchar dataBuffer[4]; /* buffer must stay valid when usbFunctionSetup returns */
if(rq->bRequest == CUSTOM_RQ_ECHO){ /* echo -- used for reliability tests */
dataBuffer[0] = rq->wValue.bytes[0];
dataBuffer[1] = rq->wValue.bytes[1];
dataBuffer[2] = rq->wIndex.bytes[0];
dataBuffer[3] = rq->wIndex.bytes[1];
usbMsgPtr = dataBuffer; /* tell the driver which data to return */
return 4;
}else if(rq->bRequest == CUSTOM_RQ_SET_STATUS){
if(rq->wValue.bytes[0] & 1){ /* set LED */
LED_PORT_OUTPUT |= _BV(LED_BIT);
}else{ /* clear LED */
LED_PORT_OUTPUT &= ~_BV(LED_BIT);
}
}else if(rq->bRequest == CUSTOM_RQ_GET_STATUS){
dataBuffer[0] = ((LED_PORT_OUTPUT & _BV(LED_BIT)) != 0);
usbMsgPtr = dataBuffer; /* tell the driver which data to return */
return 1; /* tell the driver to send 1 byte */
}
return 0; /* default for not implemented requests: return no data back to host */
}
/* ------------------------------------------------------------------------- */
int __attribute__((noreturn)) main(void)
{
uchar i;
wdt_enable(WDTO_1S);
/* Even if you don't use the watchdog, turn it off here. On newer devices,
* the status of the watchdog (on/off, period) is PRESERVED OVER RESET!
*/
/* RESET status: all port bits are inputs without pull-up.
* That's the way we need D+ and D-. Therefore we don't need any
* additional hardware initialization.
*/
odDebugInit();
DBG1(0x00, 0, 0); /* debug output: main starts */
usbInit();
usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */
i = 0;
while(--i){ /* fake USB disconnect for > 250 ms */
wdt_reset();
_delay_ms(1);
}
usbDeviceConnect();
LED_PORT_DDR |= _BV(LED_BIT); /* make the LED bit an output */
sei();
DBG1(0x01, 0, 0); /* debug output: main loop starts */
for(;;){ /* main event loop */
DBG1(0x02, 0, 0); /* debug output: main loop iterates */
wdt_reset();
usbPoll();
}
}
/* ------------------------------------------------------------------------- */

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/* Name: requests.h
* Project: custom-class, a basic USB example
* Author: Christian Starkjohann
* Creation Date: 2008-04-09
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
/* This header is shared between the firmware and the host software. It
* defines the USB request numbers (and optionally data types) used to
* communicate between the host and the device.
*/
#ifndef __REQUESTS_H_INCLUDED__
#define __REQUESTS_H_INCLUDED__
#define CUSTOM_RQ_ECHO 0
/* Request that the device sends back wValue and wIndex. This is used with
* random data to test the reliability of the communication.
*/
#define CUSTOM_RQ_SET_STATUS 1
/* Set the LED status. Control-OUT.
* The requested status is passed in the "wValue" field of the control
* transfer. No OUT data is sent. Bit 0 of the low byte of wValue controls
* the LED.
*/
#define CUSTOM_RQ_GET_STATUS 2
/* Get the current LED status. Control-IN.
* This control transfer involves a 1 byte data phase where the device sends
* the current status to the host. The status is in bit 0 of the byte.
*/
#endif /* __REQUESTS_H_INCLUDED__ */

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/* Name: usbconfig.h
* Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
* Author: Christian Starkjohann
* Creation Date: 2005-04-01
* Tabsize: 4
* Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
#ifndef __usbconfig_h_included__
#define __usbconfig_h_included__
/*
General Description:
This file is an example configuration (with inline documentation) for the USB
driver. It configures V-USB for USB D+ connected to Port D bit 2 (which is
also hardware interrupt 0 on many devices) and USB D- to Port D bit 4. You may
wire the lines to any other port, as long as D+ is also wired to INT0 (or any
other hardware interrupt, as long as it is the highest level interrupt, see
section at the end of this file).
*/
/* ---------------------------- Hardware Config ---------------------------- */
#define USB_CFG_IOPORTNAME D
/* This is the port where the USB bus is connected. When you configure it to
* "B", the registers PORTB, PINB and DDRB will be used.
*/
#define USB_CFG_DMINUS_BIT 4
/* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected.
* This may be any bit in the port.
*/
#define USB_CFG_DPLUS_BIT 2
/* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected.
* This may be any bit in the port. Please note that D+ must also be connected
* to interrupt pin INT0! [You can also use other interrupts, see section
* "Optional MCU Description" below, or you can connect D- to the interrupt, as
* it is required if you use the USB_COUNT_SOF feature. If you use D- for the
* interrupt, the USB interrupt will also be triggered at Start-Of-Frame
* markers every millisecond.]
*/
#define USB_CFG_CLOCK_KHZ (F_CPU/1000)
/* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000,
* 16500, 18000 and 20000. The 12.8 MHz and 16.5 MHz versions of the code
* require no crystal, they tolerate +/- 1% deviation from the nominal
* frequency. All other rates require a precision of 2000 ppm and thus a
* crystal!
* Since F_CPU should be defined to your actual clock rate anyway, you should
* not need to modify this setting.
*/
#define USB_CFG_CHECK_CRC 0
/* Define this to 1 if you want that the driver checks integrity of incoming
* data packets (CRC checks). CRC checks cost quite a bit of code size and are
* currently only available for 18 MHz crystal clock. You must choose
* USB_CFG_CLOCK_KHZ = 18000 if you enable this option.
*/
/* ----------------------- Optional Hardware Config ------------------------ */
/* #define USB_CFG_PULLUP_IOPORTNAME D */
/* If you connect the 1.5k pullup resistor from D- to a port pin instead of
* V+, you can connect and disconnect the device from firmware by calling
* the macros usbDeviceConnect() and usbDeviceDisconnect() (see usbdrv.h).
* This constant defines the port on which the pullup resistor is connected.
*/
/* #define USB_CFG_PULLUP_BIT 4 */
/* This constant defines the bit number in USB_CFG_PULLUP_IOPORT (defined
* above) where the 1.5k pullup resistor is connected. See description
* above for details.
*/
/* --------------------------- Functional Range ---------------------------- */
#define USB_CFG_HAVE_INTRIN_ENDPOINT 0
/* Define this to 1 if you want to compile a version with two endpoints: The
* default control endpoint 0 and an interrupt-in endpoint (any other endpoint
* number).
*/
#define USB_CFG_HAVE_INTRIN_ENDPOINT3 0
/* Define this to 1 if you want to compile a version with three endpoints: The
* default control endpoint 0, an interrupt-in endpoint 3 (or the number
* configured below) and a catch-all default interrupt-in endpoint as above.
* You must also define USB_CFG_HAVE_INTRIN_ENDPOINT to 1 for this feature.
*/
#define USB_CFG_EP3_NUMBER 3
/* If the so-called endpoint 3 is used, it can now be configured to any other
* endpoint number (except 0) with this macro. Default if undefined is 3.
*/
/* #define USB_INITIAL_DATATOKEN USBPID_DATA1 */
/* The above macro defines the startup condition for data toggling on the
* interrupt/bulk endpoints 1 and 3. Defaults to USBPID_DATA1.
* Since the token is toggled BEFORE sending any data, the first packet is
* sent with the oposite value of this configuration!
*/
#define USB_CFG_IMPLEMENT_HALT 0
/* Define this to 1 if you also want to implement the ENDPOINT_HALT feature
* for endpoint 1 (interrupt endpoint). Although you may not need this feature,
* it is required by the standard. We have made it a config option because it
* bloats the code considerably.
*/
#define USB_CFG_SUPPRESS_INTR_CODE 0
/* Define this to 1 if you want to declare interrupt-in endpoints, but don't
* want to send any data over them. If this macro is defined to 1, functions
* usbSetInterrupt() and usbSetInterrupt3() are omitted. This is useful if
* you need the interrupt-in endpoints in order to comply to an interface
* (e.g. HID), but never want to send any data. This option saves a couple
* of bytes in flash memory and the transmit buffers in RAM.
*/
#define USB_CFG_INTR_POLL_INTERVAL 10
/* If you compile a version with endpoint 1 (interrupt-in), this is the poll
* interval. The value is in milliseconds and must not be less than 10 ms for
* low speed devices.
*/
#define USB_CFG_IS_SELF_POWERED 0
/* Define this to 1 if the device has its own power supply. Set it to 0 if the
* device is powered from the USB bus.
*/
#define USB_CFG_MAX_BUS_POWER 40
/* Set this variable to the maximum USB bus power consumption of your device.
* The value is in milliamperes. [It will be divided by two since USB
* communicates power requirements in units of 2 mA.]
*/
#define USB_CFG_IMPLEMENT_FN_WRITE 0
/* Set this to 1 if you want usbFunctionWrite() to be called for control-out
* transfers. Set it to 0 if you don't need it and want to save a couple of
* bytes.
*/
#define USB_CFG_IMPLEMENT_FN_READ 0
/* Set this to 1 if you need to send control replies which are generated
* "on the fly" when usbFunctionRead() is called. If you only want to send
* data from a static buffer, set it to 0 and return the data from
* usbFunctionSetup(). This saves a couple of bytes.
*/
#define USB_CFG_IMPLEMENT_FN_WRITEOUT 0
/* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints.
* You must implement the function usbFunctionWriteOut() which receives all
* interrupt/bulk data sent to any endpoint other than 0. The endpoint number
* can be found in 'usbRxToken'.
*/
#define USB_CFG_HAVE_FLOWCONTROL 0
/* Define this to 1 if you want flowcontrol over USB data. See the definition
* of the macros usbDisableAllRequests() and usbEnableAllRequests() in
* usbdrv.h.
*/
#define USB_CFG_DRIVER_FLASH_PAGE 0
/* If the device has more than 64 kBytes of flash, define this to the 64 k page
* where the driver's constants (descriptors) are located. Or in other words:
* Define this to 1 for boot loaders on the ATMega128.
*/
#define USB_CFG_LONG_TRANSFERS 0
/* Define this to 1 if you want to send/receive blocks of more than 254 bytes
* in a single control-in or control-out transfer. Note that the capability
* for long transfers increases the driver size.
*/
/* #define USB_RX_USER_HOOK(data, len) if(usbRxToken == (uchar)USBPID_SETUP) blinkLED(); */
/* This macro is a hook if you want to do unconventional things. If it is
* defined, it's inserted at the beginning of received message processing.
* If you eat the received message and don't want default processing to
* proceed, do a return after doing your things. One possible application
* (besides debugging) is to flash a status LED on each packet.
*/
/* #define USB_RESET_HOOK(resetStarts) if(!resetStarts){hadUsbReset();} */
/* This macro is a hook if you need to know when an USB RESET occurs. It has
* one parameter which distinguishes between the start of RESET state and its
* end.
*/
/* #define USB_SET_ADDRESS_HOOK() hadAddressAssigned(); */
/* This macro (if defined) is executed when a USB SET_ADDRESS request was
* received.
*/
#define USB_COUNT_SOF 0
/* define this macro to 1 if you need the global variable "usbSofCount" which
* counts SOF packets. This feature requires that the hardware interrupt is
* connected to D- instead of D+.
*/
/* #ifdef __ASSEMBLER__
* macro myAssemblerMacro
* in YL, TCNT0
* sts timer0Snapshot, YL
* endm
* #endif
* #define USB_SOF_HOOK myAssemblerMacro
* This macro (if defined) is executed in the assembler module when a
* Start Of Frame condition is detected. It is recommended to define it to
* the name of an assembler macro which is defined here as well so that more
* than one assembler instruction can be used. The macro may use the register
* YL and modify SREG. If it lasts longer than a couple of cycles, USB messages
* immediately after an SOF pulse may be lost and must be retried by the host.
* What can you do with this hook? Since the SOF signal occurs exactly every
* 1 ms (unless the host is in sleep mode), you can use it to tune OSCCAL in
* designs running on the internal RC oscillator.
* Please note that Start Of Frame detection works only if D- is wired to the
* interrupt, not D+. THIS IS DIFFERENT THAN MOST EXAMPLES!
*/
#define USB_CFG_CHECK_DATA_TOGGLING 0
/* define this macro to 1 if you want to filter out duplicate data packets
* sent by the host. Duplicates occur only as a consequence of communication
* errors, when the host does not receive an ACK. Please note that you need to
* implement the filtering yourself in usbFunctionWriteOut() and
* usbFunctionWrite(). Use the global usbCurrentDataToken and a static variable
* for each control- and out-endpoint to check for duplicate packets.
*/
#define USB_CFG_HAVE_MEASURE_FRAME_LENGTH 0
/* define this macro to 1 if you want the function usbMeasureFrameLength()
* compiled in. This function can be used to calibrate the AVR's RC oscillator.
*/
#define USB_USE_FAST_CRC 0
/* The assembler module has two implementations for the CRC algorithm. One is
* faster, the other is smaller. This CRC routine is only used for transmitted
* messages where timing is not critical. The faster routine needs 31 cycles
* per byte while the smaller one needs 61 to 69 cycles. The faster routine
* may be worth the 32 bytes bigger code size if you transmit lots of data and
* run the AVR close to its limit.
*/
/* -------------------------- Device Description --------------------------- */
#define USB_CFG_VENDOR_ID 0xc0, 0x16 /* = 0x16c0 = 5824 = voti.nl */
/* USB vendor ID for the device, low byte first. If you have registered your
* own Vendor ID, define it here. Otherwise you may use one of obdev's free
* shared VID/PID pairs. Be sure to read USB-IDs-for-free.txt for rules!
* *** IMPORTANT NOTE ***
* This template uses obdev's shared VID/PID pair for Vendor Class devices
* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand
* the implications!
*/
#define USB_CFG_DEVICE_ID 0xdc, 0x05 /* = 0x05dc = 1500 */
/* This is the ID of the product, low byte first. It is interpreted in the
* scope of the vendor ID. If you have registered your own VID with usb.org
* or if you have licensed a PID from somebody else, define it here. Otherwise
* you may use one of obdev's free shared VID/PID pairs. See the file
* USB-IDs-for-free.txt for details!
* *** IMPORTANT NOTE ***
* This template uses obdev's shared VID/PID pair for Vendor Class devices
* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand
* the implications!
*/
#define USB_CFG_DEVICE_VERSION 0x00, 0x01
/* Version number of the device: Minor number first, then major number.
*/
#define USB_CFG_VENDOR_NAME 'o', 'b', 'd', 'e', 'v', '.', 'a', 't'
#define USB_CFG_VENDOR_NAME_LEN 8
/* These two values define the vendor name returned by the USB device. The name
* must be given as a list of characters under single quotes. The characters
* are interpreted as Unicode (UTF-16) entities.
* If you don't want a vendor name string, undefine these macros.
* ALWAYS define a vendor name containing your Internet domain name if you use
* obdev's free shared VID/PID pair. See the file USB-IDs-for-free.txt for
* details.
*/
#define USB_CFG_DEVICE_NAME 'L', 'E', 'D', 'C', 'o', 'n', 't', 'r', 'o', 'l'
#define USB_CFG_DEVICE_NAME_LEN 10
/* Same as above for the device name. If you don't want a device name, undefine
* the macros. See the file USB-IDs-for-free.txt before you assign a name if
* you use a shared VID/PID.
*/
/*#define USB_CFG_SERIAL_NUMBER 'N', 'o', 'n', 'e' */
/*#define USB_CFG_SERIAL_NUMBER_LEN 0 */
/* Same as above for the serial number. If you don't want a serial number,
* undefine the macros.
* It may be useful to provide the serial number through other means than at
* compile time. See the section about descriptor properties below for how
* to fine tune control over USB descriptors such as the string descriptor
* for the serial number.
*/
#define USB_CFG_DEVICE_CLASS 0xff /* set to 0 if deferred to interface */
#define USB_CFG_DEVICE_SUBCLASS 0
/* See USB specification if you want to conform to an existing device class.
* Class 0xff is "vendor specific".
*/
#define USB_CFG_INTERFACE_CLASS 0 /* define class here if not at device level */
#define USB_CFG_INTERFACE_SUBCLASS 0
#define USB_CFG_INTERFACE_PROTOCOL 0
/* See USB specification if you want to conform to an existing device class or
* protocol. The following classes must be set at interface level:
* HID class is 3, no subclass and protocol required (but may be useful!)
* CDC class is 2, use subclass 2 and protocol 1 for ACM
*/
/* #define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH 42 */
/* Define this to the length of the HID report descriptor, if you implement
* an HID device. Otherwise don't define it or define it to 0.
* If you use this define, you must add a PROGMEM character array named
* "usbHidReportDescriptor" to your code which contains the report descriptor.
* Don't forget to keep the array and this define in sync!
*/
/* #define USB_PUBLIC static */
/* Use the define above if you #include usbdrv.c instead of linking against it.
* This technique saves a couple of bytes in flash memory.
*/
/* ------------------- Fine Control over USB Descriptors ------------------- */
/* If you don't want to use the driver's default USB descriptors, you can
* provide our own. These can be provided as (1) fixed length static data in
* flash memory, (2) fixed length static data in RAM or (3) dynamically at
* runtime in the function usbFunctionDescriptor(). See usbdrv.h for more
* information about this function.
* Descriptor handling is configured through the descriptor's properties. If
* no properties are defined or if they are 0, the default descriptor is used.
* Possible properties are:
* + USB_PROP_IS_DYNAMIC: The data for the descriptor should be fetched
* at runtime via usbFunctionDescriptor(). If the usbMsgPtr mechanism is
* used, the data is in FLASH by default. Add property USB_PROP_IS_RAM if
* you want RAM pointers.
* + USB_PROP_IS_RAM: The data returned by usbFunctionDescriptor() or found
* in static memory is in RAM, not in flash memory.
* + USB_PROP_LENGTH(len): If the data is in static memory (RAM or flash),
* the driver must know the descriptor's length. The descriptor itself is
* found at the address of a well known identifier (see below).
* List of static descriptor names (must be declared PROGMEM if in flash):
* char usbDescriptorDevice[];
* char usbDescriptorConfiguration[];
* char usbDescriptorHidReport[];
* char usbDescriptorString0[];
* int usbDescriptorStringVendor[];
* int usbDescriptorStringDevice[];
* int usbDescriptorStringSerialNumber[];
* Other descriptors can't be provided statically, they must be provided
* dynamically at runtime.
*
* Descriptor properties are or-ed or added together, e.g.:
* #define USB_CFG_DESCR_PROPS_DEVICE (USB_PROP_IS_RAM | USB_PROP_LENGTH(18))
*
* The following descriptors are defined:
* USB_CFG_DESCR_PROPS_DEVICE
* USB_CFG_DESCR_PROPS_CONFIGURATION
* USB_CFG_DESCR_PROPS_STRINGS
* USB_CFG_DESCR_PROPS_STRING_0
* USB_CFG_DESCR_PROPS_STRING_VENDOR
* USB_CFG_DESCR_PROPS_STRING_PRODUCT
* USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER
* USB_CFG_DESCR_PROPS_HID
* USB_CFG_DESCR_PROPS_HID_REPORT
* USB_CFG_DESCR_PROPS_UNKNOWN (for all descriptors not handled by the driver)
*
* Note about string descriptors: String descriptors are not just strings, they
* are Unicode strings prefixed with a 2 byte header. Example:
* int serialNumberDescriptor[] = {
* USB_STRING_DESCRIPTOR_HEADER(6),
* 'S', 'e', 'r', 'i', 'a', 'l'
* };
*/
#define USB_CFG_DESCR_PROPS_DEVICE 0
#define USB_CFG_DESCR_PROPS_CONFIGURATION 0
#define USB_CFG_DESCR_PROPS_STRINGS 0
#define USB_CFG_DESCR_PROPS_STRING_0 0
#define USB_CFG_DESCR_PROPS_STRING_VENDOR 0
#define USB_CFG_DESCR_PROPS_STRING_PRODUCT 0
#define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER 0
#define USB_CFG_DESCR_PROPS_HID 0
#define USB_CFG_DESCR_PROPS_HID_REPORT 0
#define USB_CFG_DESCR_PROPS_UNKNOWN 0
#define usbMsgPtr_t unsigned short
/* If usbMsgPtr_t is not defined, it defaults to 'uchar *'. We define it to
* a scalar type here because gcc generates slightly shorter code for scalar
* arithmetics than for pointer arithmetics. Remove this define for backward
* type compatibility or define it to an 8 bit type if you use data in RAM only
* and all RAM is below 256 bytes (tiny memory model in IAR CC).
*/
/* ----------------------- Optional MCU Description ------------------------ */
/* The following configurations have working defaults in usbdrv.h. You
* usually don't need to set them explicitly. Only if you want to run
* the driver on a device which is not yet supported or with a compiler
* which is not fully supported (such as IAR C) or if you use a differnt
* interrupt than INT0, you may have to define some of these.
*/
/* #define USB_INTR_CFG MCUCR */
/* #define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) */
/* #define USB_INTR_CFG_CLR 0 */
/* #define USB_INTR_ENABLE GIMSK */
/* #define USB_INTR_ENABLE_BIT INT0 */
/* #define USB_INTR_PENDING GIFR */
/* #define USB_INTR_PENDING_BIT INTF0 */
/* #define USB_INTR_VECTOR INT0_vect */
#endif /* __usbconfig_h_included__ */