Objective Development Forums

Code: Select all

/* Name: main.c
 * Project: 
 * Author: 
 * Creation 
 * Based on AVR-USB drivers from Objective Developments - http://www.obdev.at/products/avrusb/index.html
 */

#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <util/delay.h>
#include <stdlib.h>
#include <string.h>

#include "usbdrv/usbdrv.h"
#include "usbdrv/oddebug.h"

/* The LED states */
#define LED_NUM     0x01
#define LED_CAPS    0x02
#define LED_SCROLL  0x04
#define LED_COMPOSE 0x08
#define LED_KANA    0x10



/* ------------------------------------------------------------------------- */

static uchar    reportBuffer[8];    /* buffer for HID reports */
static uchar    idleRate;           /* in 4 ms units */
static uchar    reportCount;      /* current report */
static uchar    protocolVer=1;      /* 0 is the boot protocol, 1 is report protocol */



/* ------------------------------------------------------------------------- */


/* USB report descriptor (length is defined in usbconfig.h)
    This has been changed to conform to the USB keyboard boot
    protocol */
PROGMEM char usbHidReportDescriptor[USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH] = { /* USB report descriptor */
      0x05, 0x01,                    // USAGE_PAGE (Generic Desktop)
        0x09, 0x06,                    // USAGE (Keyboard)
        0xa1, 0x01,                    // COLLECTION (Application)
        0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
        0x19, 0xe0,                    //   USAGE_MINIMUM (Keyboard LeftControl)
        0x29, 0xe7,                    //   USAGE_MAXIMUM (Keyboard Right GUI)
        0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
        0x25, 0x01,                    //   LOGICAL_MAXIMUM (1)
        0x75, 0x01,                    //   REPORT_SIZE (1)
        0x95, 0x08,                    //   REPORT_COUNT (8)
        0x81, 0x02,                    //   INPUT (Data,Var,Abs)
        0x95, 0x01,                    //   REPORT_COUNT (1)
        0x75, 0x08,                    //   REPORT_SIZE (8)
        0x81, 0x03,                    //   INPUT (Cnst,Var,Abs)
        0x95, 0x05,                    //   REPORT_COUNT (5)
        0x75, 0x01,                    //   REPORT_SIZE (1)
        0x05, 0x08,                    //   USAGE_PAGE (LEDs)
        0x19, 0x01,                    //   USAGE_MINIMUM (Num Lock)
        0x29, 0x05,                    //   USAGE_MAXIMUM (Kana)
        0x91, 0x02,                    //   OUTPUT (Data,Var,Abs)
        0x95, 0x01,                    //   REPORT_COUNT (1)
        0x75, 0x03,                    //   REPORT_SIZE (3)
        0x91, 0x03,                    //   OUTPUT (Cnst,Var,Abs)
        0x95, 0x06,                    //   REPORT_COUNT (6)
        0x75, 0x08,                    //   REPORT_SIZE (8)
        0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
        0x25, 0x65,                    //   LOGICAL_MAXIMUM (101)
        0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
        0x19, 0x00,                    //   USAGE_MINIMUM (Reserved (no event indicated))
        0x29, 0x65,                    //   USAGE_MAXIMUM (Keyboard Application)
        0x81, 0x00,                    //   INPUT (Data,Ary,Abs)
        0xc0                           // END_COLLECTION
   };



static void hardwareInit(void)
{
   /* Dont do anything here yet as this is code from the other project */
   //  PORTD = 0xfa;   /* 1111 1010 bin: activate pull-ups except on USB lines */
   //  DDRD  = 0x07;   /* 0000 0111 bin: all pins input except USB (-> USB reset) */
}

/* ------------------------------------------------------------------------- */

static void timerInit(void)
{
    TCCR1 = 0x0b;           /* select clock: 16.5M/1k -> overflow rate = 16.5M/256k = 62.94 Hz */
}

static void buildReport(void)
{
uchar modifier = 0; //if not changed by the if-statement below, then send an empty report
uchar key = 0; //if not changed by the if-statement below, then send an empty report

    if(reportCount == 0){
      modifier = 0x00; // modifier = none
      key = 0x0f; // key = L

    }


   reportCount++;
    reportBuffer[0] = modifier;    /* no modifiers */
    reportBuffer[1] = key;
}





/* -------------------------------------------------------------------------------- */
/* ------------------------ interface to USB driver ------------------------ */
/* -------------------------------------------------------------------------------- */

uchar expectReport=0;
uchar LEDstate=0;

uchar   usbFunctionSetup(uchar data[8])
{
usbRequest_t    *rq = (void *)data;

    usbMsgPtr = reportBuffer;
    if((rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_CLASS){    /* class request type */
        if(rq->bRequest == USBRQ_HID_GET_REPORT){  /* wValue: ReportType (highbyte), ReportID (lowbyte) */
            /* we only have one report type, so don't look at wValue */
            //buildReport();
            return sizeof(reportBuffer);
        }else if(rq->bRequest == USBRQ_HID_SET_REPORT){
            if (rq->wLength.word == 1) { /* We expect one byte reports */
              expectReport=1;
              return 0xFF; /* Call usbFunctionWrite with data */
            }
          }else if(rq->bRequest == USBRQ_HID_GET_IDLE){
            usbMsgPtr = &idleRate;
            return 1;
          }else if(rq->bRequest == USBRQ_HID_SET_IDLE){
            idleRate = rq->wValue.bytes[1];
          }else if(rq->bRequest == USBRQ_HID_GET_PROTOCOL) {
            if (rq->wValue.bytes[1] < 1) {
              protocolVer = rq->wValue.bytes[1];
            }
          }else if(rq->bRequest == USBRQ_HID_SET_PROTOCOL) {
            usbMsgPtr = &protocolVer;
            return 1;
          }
        }
        return 0;
}

uchar usbFunctionWrite(uchar *data, uchar len) {
  if ((expectReport)&&(len==1)) {
    LEDstate=data[0]; /* Get the state of all 5 LEDs */
    if (LEDstate&LED_CAPS) { /* Check state of Scroll lock LED */
      reportCount = 0;
    }
    expectReport=0;
    return 1;
  }
  expectReport=0;
  return 0x01;
}

/* ------------------------------------------------------------------------- */
/* ------------------------ Oscillator Calibration ------------------------- */
/* ------------------------------------------------------------------------- */

/* Calibrate the RC oscillator. Our timing reference is the Start Of Frame
 * signal (a single SE0 bit) repeating every millisecond immediately after
 * a USB RESET. We first do a binary search for the OSCCAL value and then
 * optimize this value with a neighbourhood search.
 */
void    calibrateOscillator(void)
{
uchar       step = 128;
uchar       trialValue = 0, optimumValue;
int         x, optimumDev, targetValue = (unsigned)(1499 * (double)F_CPU / 10.5e6 + 0.5);

    /* do a binary search: */
    do{
        OSCCAL = trialValue + step;
        x = usbMeasureFrameLength();    /* proportional to current real frequency */
        if(x < targetValue)             /* frequency still too low */
            trialValue += step;
        step >>= 1;
    }while(step > 0);
    /* We have a precision of +/- 1 for optimum OSCCAL here */
    /* now do a neighborhood search for optimum value */
    optimumValue = trialValue;
    optimumDev = x; /* this is certainly far away from optimum */
    for(OSCCAL = trialValue - 1; OSCCAL <= trialValue + 1; OSCCAL++){
        x = usbMeasureFrameLength() - targetValue;
        if(x < 0)
            x = -x;
        if(x < optimumDev){
            optimumDev = x;
            optimumValue = OSCCAL;
        }
    }
    OSCCAL = optimumValue;
}
/*
Note: This calibration algorithm may try OSCCAL values of up to 192 even if
the optimum value is far below 192. It may therefore exceed the allowed clock
frequency of the CPU in low voltage designs!
You may replace this search algorithm with any other algorithm you like if
you have additional constraints such as a maximum CPU clock.
For version 5.x RC oscillators (those with a split range of 2x128 steps, e.g.
ATTiny25, ATTiny45, ATTiny85), it may be useful to search for the optimum in
both regions.
*/


void    hadUsbReset(void)
{
    calibrateOscillator();
    eeprom_write_byte(0, OSCCAL);   /* store the calibrated value in EEPROM */
}

/* ------------------------------------------------------------------------- */
/* --------------------------------- main ---------------------------------- */
/* ------------------------------------------------------------------------- */

int main(void)
{
uchar   i;
uchar   calibrationValue;

   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!
     */

    calibrationValue = eeprom_read_byte(0); /* calibration value from last time */
    if(calibrationValue != 0xff){
        OSCCAL = calibrationValue;
    }

     hardwareInit(); /* Initialize hardware (I/O) */

   //odDebugInit();
    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();



    timerInit();

    sei();

    for(;;){    /* main event loop */
        wdt_reset();
        usbPoll();


      if(usbInterruptIsReady() && reportCount < 2){ /* we can send another key */
           buildReport();
              usbSetInterrupt(reportBuffer, sizeof(reportBuffer));
           }

   }
      return 0;
}

Code: Select all

/* Name: usbconfig.h
 * Project: AVR USB driver
 * Author: Christian Starkjohann
 * Creation Date: 2007-06-23
 * Tabsize: 4
 * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
 * License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt)
 * This Revision: $Id: usbconfig.h 537 2008-02-28 21:13:01Z cs $
 */

#ifndef __usbconfig_h_included__
#define __usbconfig_h_included__

/* ---------------------------- Hardware Config ---------------------------- */

#define USB_CFG_IOPORTNAME      B
/* 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      0
/* 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!
 */
#define USB_CFG_CLOCK_KHZ       (F_CPU/1000)
/* Clock rate of the AVR in MHz. Legal values are 12000, 16000 or 16500.
 * The 16.5 MHz version of the code requires no crystal, it tolerates +/- 1%
 * deviation from the nominal frequency. All other rates require a precision
 * of 2000 ppm and thus a crystal!
 * Default if not specified: 12 MHz
 */
 #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    1
/* Define this to 1 if you want to compile a version with two endpoints: The
 * default control endpoint 0 and an interrupt-in endpoint 1.
 */
#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 1 and an interrupt-in
 * endpoint 3. You must also enable endpoint 1 above.
 */
 #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           50
/* 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      1
/* 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) endpoint 1.
 * You must implement the function usbFunctionWriteOut() which receives all
 * interrupt/bulk data sent to endpoint 1.
 */
#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_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+.
 */
 /*#ifndef __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   1
/* 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.
 */

/* -------------------------- Device Description --------------------------- */

/* Using assigned test vid/pid pair */

#define  USB_CFG_VENDOR_ID       0x53, 0x05
/* USB vendor ID for the device, low byte first. If you have registered your
 * own Vendor ID, define it here. Otherwise you use obdev's free shared
 * VID/PID pair. Be sure to read USBID-License.txt for rules!
 * This template uses obdev's shared VID/PID pair for HIDs: 0x16c0/0x5df.
 * Use this VID/PID pair ONLY if you understand the implications!
 */
#define  USB_CFG_DEVICE_ID       0xff, 0x10
/* 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 use obdev's free shared VID/PID pair. Be sure to read the rules in
 * USBID-License.txt!
 * This template uses obdev's shared VID/PID pair for HIDs: 0x16c0/0x5df.
 * 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     'T', 'i', 'm', ' ', 'K', 'e', 'r', 'b', 'y'
#define USB_CFG_VENDOR_NAME_LEN 9
/* 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 USBID-License.txt for
 * details.
 */
#define USB_CFG_DEVICE_NAME     'S', 'c', 'r', 'o', 'l', 'l', ' ', 'D', 'e', 'b', 'u', 'g', 'g', 'e', 'r'
#define USB_CFG_DEVICE_NAME_LEN 15
/* Same as above for the device name. If you don't want a device name, undefine
 * the macros. See the file USBID-License.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        0
#define USB_CFG_DEVICE_SUBCLASS     0
/* See USB specification if you want to conform to an existing device class.
 */
#define USB_CFG_INTERFACE_CLASS     0x03    /* HID class */
#define USB_CFG_INTERFACE_SUBCLASS  0x01    /* Boot-device subclass */
#define USB_CFG_INTERFACE_PROTOCOL  0x01    /* Keyboard protocol */
/* See USB specification if you want to conform to an existing device class or
 * protocol.
 */
#define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH    63  /* total length of report descriptor */
/* 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.
 * Since this template defines a HID device, it must also specify a HID
 * report descriptor length. 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().
 *   + 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)
 *
 */

#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

/* ----------------------- 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         SIG_INTERRUPT0 */

#endif /* __usbconfig_h_included__ */

Code: Select all

static void hardwareInit(void)
{

     PORTB = 0x00;   
     DDRB  = 0x10;  
}

Code: Select all

uchar usbFunctionWrite(uchar *data, uchar len) {
  if ((expectReport)&&(len==1)) {
    LEDstate=data[0]; /* Get the state of all 5 LEDs */
        if (LEDstate&LED_CAPS) { /* Check state of CAPS lock LED */
         PORTB|=0x10;
         reportCount = 0;
       } else {
         PORTB&=~0x10;
    }
    expectReport=0;
    return 1;
  }
  expectReport=0;
  return 0x01;
}