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rumble.cpp

#include <PalmOS.h>
#include "globals.h"
#include "vibrate.h"
#include "rumble.h"

#ifndef DISABLE_TAPWAVE
#include "tapwave.h"

TwDeviceHandle hRumble;
#endif

Boolean RumbleExists() {
      Boolean exists = false;
      Err e;

#ifndef DISABLE_TAPWAVE
      if (OPTIONS_TST(kOptDeviceZodiac)) {
            e = TwDeviceOpen(&hRumble, "vibrator0", "w");
            if (!e) {
                  exists = true;
                  TwDeviceClose(hRumble);
            }
            
      } else
#endif
      {

            UInt32 romVersion;

            e = FtrGet(sysFtrCreator, sysFtrNumROMVersion, &romVersion);
            if (!e) {
                  if (romVersion >= sysMakeROMVersion(4,0,0,sysROMStageRelease,0)) {
                        Boolean active = false;
                        e = HwrVibrateAttributes(0, kHwrVibrateActive, &active);
                        exists = (!e) ? true : exists;
                  }
            }
      }

      return exists;
}

void RumbleRun(Boolean active) {
#ifndef DISABLE_TAPWAVE
      if (OPTIONS_TST(kOptDeviceZodiac)) {
            if (active) {
                  UInt8 buf[] = { '\64', '\100' };
                  TwDeviceControl(hRumble, 'play', buf, sizeof(buf));
            } else {
                  TwDeviceControl(hRumble, 'stop', 0, 0);
            }
            
      } else
#endif
      {
            UInt32 pattern    = active ? 0xFF000000 : 0x00000000;

            HwrVibrateAttributes(1, kHwrVibratePattern, &pattern);
            HwrVibrateAttributes(1, kHwrVibrateActive, &active);
      }
}

Boolean RumbleInit() {
      Boolean done = false;

#ifndef DISABLE_TAPWAVE
      if (OPTIONS_TST(kOptDeviceZodiac)) {
            Err e = TwDeviceOpen(&hRumble, "vibrator0", "w");
            done = (!e);

      } else
#endif
      {
            if (RumbleExists()) {
                  UInt16 cycle      = (SysTicksPerSecond())/2;
                  UInt32 pattern    = 0xFF000000;
                  UInt16 delay      = 1;
                  UInt16 repeat     = 1;

                  HwrVibrateAttributes(1, kHwrVibrateRate, &cycle);
                  HwrVibrateAttributes(1, kHwrVibratePattern, &pattern);
                  HwrVibrateAttributes(1, kHwrVibrateDelay, &delay);
                  HwrVibrateAttributes(1, kHwrVibrateRepeatCount, &repeat);
                  
                  done = true;
            }
      }

      return done;
}

void RumbleRelease() {
#ifndef DISABLE_TAPWAVE
      if (OPTIONS_TST(kOptDeviceZodiac)) {
            TwDeviceClose(hRumble);
      
      } else
#endif
      {
            UInt32 pattern    = 0x00000000;
            Boolean active = false;

            HwrVibrateAttributes(1, kHwrVibratePattern, &pattern);
            HwrVibrateAttributes(1, kHwrVibrateActive, &active);
      }
}

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