RCX and Scout source constants

RCX_BatteryLevelSrc RCX_ClickCounterSrc RCX_ConstantSrc RCX_CounterSrc RCX_DatalogRawDirectSrc RCX_DatalogRawIndirectSrc RCX_DatalogSrcDirectSrc RCX_DatalogSrcIndirectSrc RCX_DatalogValueDirectSrc RCX_DatalogValueIndirectSrc RCX_DurationSrc RCX_EventStateSrc RCX_FirmwareVersionSrc RCX_GlobalMotorStatusSrc RCX_HysteresisSrc RCX_IndirectVarSrc RCX_InputBooleanSrc RCX_InputModeSrc RCX_InputRawSrc RCX_InputTypeSrc RCX_InputValueSrc RCX_LowerThresholdSrc RCX_MessageSrc RCX_OutputStatusSrc RCX_ProgramSlotSrc RCX_RandomSrc RCX_ScoutCounterLimitSrc RCX_ScoutEventFBSrc RCX_ScoutLightParamsSrc RCX_ScoutRulesSrc RCX_ScoutTimerLimitSrc RCX_TaskEventsSrc RCX_TenMSTimerSrc RCX_TimerSrc RCX_UARTSetupSrc RCX_UpperThresholdSrc RCX_VariableSrc RCX_WatchSrc

#define RCX_VariableSrc   0 The RCX variable source