# kernelv_ch_get_new_techno_data()

## Prototype

KERNELV_RETURN | kernelv_ch_get_new_techno_data (unsigned long int chanindex, KERNELV_TECHNO_DATA * technoData unsigned long int technoLength unsigned long int * returnLength);

## Description

Returns the technology functions (M/H functions) recently output during the last call of kernelv_do_cycle() for each specific channel.

## Parameter

Name | Type | Meaning
chanIndex | unsigned long | Channel index
technoData | KERNELV_TECHNO_DATA* | Pointer to the memory area to which the technology data is to be written.
technoLength | unsigned long | Size of the provided memory area in bytes.
returnLength | unsigned long* | Pointer to the memory area to which the actually returned bytes are to be written.

## 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.
ERR_CNC_RET_MEMORY | -4 | The return value(s) does/do not fit into the memory provided. The number of bytes required is returned in the returnLength parameter.