hi_mpi_vi_enable_dev

Product	Supported
Atlas A3 training products / Atlas A3 inference products	x
Atlas A2 training products / Atlas A2 inference products	x
Atlas 200I/500 A2 inference products	√
Atlas inference products	x
Atlas training products	x

Enables a VI device.

hi_s32 hi_mpi_vi_enable_dev(hi_vi_dev vi_dev)

Parameter	Input/Output	Description
vi_dev	Input	VI device ID. Value range: [0, 4)

Parameter

Input/Output

Description

vi_dev

Input

VI device ID.

Value range: [0, 4)

Before enabling a VI device, set the device attributes by calling hi_mpi_vi_set_dev_attr. Otherwise, an error code indicating failure is returned.
A VI device can be enabled repeatedly and no error code indicating failure will be returned.