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something.c

/*

     File: something.c

 Abstract: n/a

  Version: 1.0

 Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple

 Inc. ("Apple") in consideration of your agreement to the following

 terms, and your use, installation, modification or redistribution of

 this Apple software constitutes acceptance of these terms.  If you do

 not agree with these terms, please do not use, install, modify or

 redistribute this Apple software.

 In consideration of your agreement to abide by the following terms, and

 subject to these terms, Apple grants you a personal, non-exclusive

 license, under Apple's copyrights in this original Apple software (the

 "Apple Software"), to use, reproduce, modify and redistribute the Apple

 Software, with or without modifications, in source and/or binary forms;

 provided that if you redistribute the Apple Software in its entirety and

 without modifications, you must retain this notice and the following

 text and disclaimers in all such redistributions of the Apple Software.

 Neither the name, trademarks, service marks or logos of Apple Inc. may

 be used to endorse or promote products derived from the Apple Software

 without specific prior written permission from Apple.  Except as

 expressly stated in this notice, no other rights or licenses, express or

 implied, are granted by Apple herein, including but not limited to any

 patent rights that may be infringed by your derivative works or by other

 works in which the Apple Software may be incorporated.

 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,

 MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED

 AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),

 STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE

 POSSIBILITY OF SUCH DAMAGE.

 Copyright (C) 2009 Apple Inc. All Rights Reserved.

*/

#include <CoreFoundation/CoreFoundation.h>

#include <IOKit/IOCFPlugIn.h>

#include <IOKit/usb/IOUSBLib.h>

#include "something.h"

#include "deva.h"

#include "printInterpretedError.h"

#include <unistd.h>

static Boolean quitFlag = false;    // Set by the interrupt routine to stop us.

void stopDoingSomething(void)   // Call this to stop the action.

    quitFlag = true;

#define PUMPKIN 0

UInt32 lights[]={

    1 << 16,

    1 << 17,

    1 << 18,

    1 << 19,

    1 << 8,

    1 << 9,

    1 << 10,

    1 << 11,

    1 << 12,

    1 << 13,

    1 << 14,

    1 << 15,

    1 << 0,

    1 << 1,

    1 << 2,

    1 << 3,

    1 << 4,

    1 << 5,

    1 << 6,

    1 << 7

};

#if PUMPKIN

// This stuff supports the light sequencing in the USB Pumpkin

// entered into the halloween pumpkin carving competition.

#define l0 (1<<0)

#define l1 (1<<1)

#define l2 (1<<2)

#define l3 (1<<3)

#define l4 (1<<4)

#define l5 (1<<5)

#define l6 (1<<6)

#define l7 (1<<7)

#define l8 (1<<8)

#define l9 (1<<9)

#define l10 (1<<10)

#define l11 (1<<11)

#define l12 (1<<12)

#define l13 (1<<13)

#define l14 (1<<14)

#define l15 (1<<15)

#define l16 (1<<16)

#define l17 (1<<17)

#define l18 (1<<18)

#define l19 (1<<19)

#define LUEye l4

#define LLEye l5

#define RLEye l6

#define RUEye l7

#define RMouth l8

#define LMouth l9

#define RBeard l10

#define LBeard l11

#define Triangle l12

#define Circle l13

#define Square l14

#define LEye l18

#define REye l19

typedef struct{

    UInt32 time;

    UInt32 state;

    }lightState;

#define dwellTenths 1

UInt32 constState = Triangle+Circle+Square;

lightState states[]={

    {10, 0},

    {2, LEye+REye},

    {1, 0},

    {3, LEye+REye},

    {1, 0},

    {5, LEye+REye},

    {10, LEye+REye+RMouth+LMouth},

    {2, LEye+REye+LMouth},

    {2, LEye+REye},

    {20, LEye+REye+LUEye+LLEye+RLEye+RUEye},

    {20, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth+LMouth},

    {5, LEye+REye+LUEye+LLEye+RLEye+RUEye},

//    {2, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth+LMouth},

    {1, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth},

    {1, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth+LBeard},

    {1, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth+RBeard+LBeard},

    {20, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth+LMouth+RBeard+LBeard},

    {1, LEye+REye+LUEye+LLEye+RLEye+RUEye+RMouth+LMouth+RBeard+LBeard},

#if 0

    {1, LUEye},

    {1, LLEye},

    {1, RLEye},

    {1, RUEye},

    {1, RMouth},

    {1, LMouth},

    {1, RBeard},

    {1, LBeard},

    {1, Triangle},

    {1, Circle},

    {1, Square},

    {1, LEye},

    {1, REye},

#endif

};

#define numStates (sizeof(states)/sizeof(lightState))

#endif

void finallyDoSomethingWithThisDevice(IOUSBInterfaceInterface245 **intf)

#if PUMPKIN

IOReturn err;

UInt32 IOBits, currState;

UInt32 state, bit;

int i;

void *hBits;

    // Now set all bits output.

    err = DevaSetIoPortsConfig(intf, 0);

    if (kIOReturnSuccess != err)

        printInterpretedError("unable to do SetIoPortsConfig", err);

        return;

    err = DevaWriteIoPorts(intf, 0x000FFFFF, 0x000FFFFF);

    if(kIOReturnSuccess != err)

        printInterpretedError("unable to do WriteIoPorts", err);

        return;

    usleep(100 * 1000);

    state = 0;

    while(!quitFlag)

    bit = 1;

    IOBits = 0;

    currState = states[state].state +constState;

    for(i= 0; i<20; i++)

        if((currState & bit) != 0)

        IOBits |= lights[i];

        bit <<= 1;

    hBits = (void *)IOBits;

    err = DevaWriteIoPorts(intf, IOBits, 0x000FFFFF);

    if(kIOReturnSuccess != err)

        printInterpretedError("unable to write walking bit", err);

        return;

    usleep(states[state].time*100 * 1000*dwellTenths);

    if(++state >= numStates)

        state = 0;

#else

IOReturn err;

UInt32 portBits, IOBits, IOBits1;

UInt32 light, light2;

Boolean dirn;

    // First set all ports to input

    err = DevaSetIoPortsConfig(intf, 0x000FFFFF);

    if (kIOReturnSuccess != err)

        printInterpretedError("unable to do bulk write", err);

        return;

    // Next read IO bits, switches which are on should be 1 everything else 0

    err = DevaReadIoPorts(intf, &IOBits);

    if (kIOReturnSuccess != err)

        printInterpretedError("unable to do ReadIoPorts", err);

        return;

    printf("Port IO read gives: %08x\n", (unsigned int)IOBits);

    // Now set all free bits output.

    err = DevaSetIoPortsConfig(intf, IOBits);

    if (kIOReturnSuccess != err)

        printInterpretedError("unable to do SetIoPortsConfig", err);

        return;

    while(1)

    // Now set all free bits to 1.

        err = DevaWriteIoPorts(intf, 0x000FFFFF, 0x000FFFFF);

        if(kIOReturnSuccess != err)

            printInterpretedError("unable to do WriteIoPorts", err);

            return;

//sleep(9);

        sleep(1);

        portBits = 0;

        light = 0;

        light2 = 8;

        dirn= false;

    //      IOBits1 = IOBits;

do{

            IOBits1 = IOBits;

#if 0

do{

                portBits <<= 1;

             //   portBits2 >>= 1;

                if((portBits & 0x000FFFFF)== 0)

                    portBits = 1;

                //    portBits2 = (0x000FFFFF+1)/2;

            }while((portBits & ~IOBits) == 0);

#endif

            if( (light >= 7) || (light <= 0) )

               // light = 0;

               // light2 = 19;

               dirn = !dirn;

            light2++;

            if(light2 > 19)

                light2 = 8;

            portBits = lights[light] | lights[light2];

            if(dirn)

                light++;

            else

                light--;

            err = DevaWriteIoPorts(intf, portBits, 0x000FFFFF);

            if(kIOReturnSuccess != err)

                printInterpretedError("unable to write walking bit", err);

                return;

//              sleep(1);

            usleep(100 * 1000);

            err = DevaWriteIoPorts(intf, 0, 0x000FFFFF);

            if(kIOReturnSuccess != err)

                printInterpretedError("unable to write zero bits", err);

                return;

        // set all to input

            err = DevaSetIoPortsConfig(intf, 0x000FFFFF);

            if (kIOReturnSuccess != err)

                printInterpretedError("unable to do bulk write", err);

                return;

            if(quitFlag) return;    // We've been interupted

            // Next read IO bits, switches which are on should be 1 everything else 0

            err = DevaReadIoPorts(intf, &IOBits);

            if (kIOReturnSuccess != err)

                printInterpretedError("unable to do ReadIoPorts", err);

                return;

//     printf("Port IO read 2 gives: %08lx (old %08lx)\n", IOBits1, IOBits);

            // Now set all free bits output.

            err = DevaSetIoPortsConfig(intf, IOBits);

            if (kIOReturnSuccess != err)

                printInterpretedError("unable to do SetIoPortsConfig", err);

                return;

        } while(IOBits1 == IOBits);

#endif

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