# kernelv_ch_get_kin_trafo_active()

## Prototype

KERNELV_RETURN | kernelv_ch_get_kin_trafo_active(unsigned long int chanIndex, unsigned char *active);

## Description

Returns whether a coordinate system is active in the specified channel or not.

## Parameter

Name | Type | Meaning
chanIndex | unsigned long | Channel index of the channel.
active | unsigned char* | Pointer to the memory area for return values.

## Return values

Symbol | Value | Meaning
RET_FINISHED | 0 | The function was executed without error.
ERR_INVALID_CHAN | -1 | The transferred channel index is higher than the number of configured channels –1
ERR_CNC_NOT_INIT | -3 | The simulation CNC kernel was not yet initialised.