hi_mpi_vi_enable_chn

Product	Supported
Atlas 350 Accelerator Card	☓
Atlas A3 training product / Atlas A3 inference product	☓
Atlas A2 training product / Atlas A2 inference product	☓
Atlas 200I/500 A2 inference product	√
Atlas inference product	☓
Atlas training product	☓

Enables a VI channel.

hi_s32 hi_mpi_vi_enable_chn(hi_vi_pipe vi_pipe, hi_vi_chn vi_chn)

Parameter	Input/Output	Description
vi_pipe	Input	Pipe ID. Value range: [0, 12)
vi_chn	Input	VI channel ID. Value range: [0, 1)

Parameter

Input/Output

Description

vi_pipe

Input

Pipe ID.

Value range: [0, 12)

vi_chn

Input

VI channel ID.

Value range: [0, 1)

Before calling this API, you must call the hi_mpi_vi_create_pipe API to create a pipe.

Set the channel attributes by calling hi_mpi_vi_set_chn_attr first.
A VI channel can be enabled repeatedly and no error code indicating failure will be returned.