.. include:: /keyword.rst

===========
|G1200-EVK|
===========

.. contents:: Sections
    :local:
    :depth: 4

Overview
========
|G1200-EVK| board is an evaluation kit of MediaTek. For detailed hardware specifications, please refer to :doc:`Genio 1200-EVK </hw/g1200-evk>`. We will use the G1200-EVK with multiple modules as a platform to measure the power consumption in suspend and idle mode. The provided low power data may vary due to hardware differences and has a tolerance of 10% error. These data are for reference only.

Measurement settings
====================

- Software Version : v23.2

- Operating Voltage : 4.55 V

- The LEDs on board need to be removed before measurement.

- Connect power supply to EVK and start measurement.

.. _1200power-supply:

.. figure:: /_asset/low-power_1200EVK.png
    :alt: Power-Supply
    :align: center
    :width: 65%

    Power-Supply

Power Consumption of G1200-EVK
==============================

The following is the power consumption data of Suspend and Idle, and we will provide the measurement SOP.

.. csv-table:: Table 1. Low Power Data of G1200-EVK
    :class: longtable
    :file: /_asset/tables/lowpower-g1200-23_2.csv
    :width: 65%
    :widths: 40 40 40 


Suspend
*******

* Step 1 : Power on DUT

* Step 2 : Wait for the system to initialize, about 1-2 minutes

* Step 3 : Turn off CAN device
    
    .. code-block::

        ifconfig can0 down

* Step 4 : Requires the system to enter suspend mode

    .. code-block::

        echo mem > /sys/power/state

* Step 5 : The console cannot input commands, which means it enters suspend

* Step 6 : Wait for 1 minute and start measuring


Idle
****

* Step 1 : Power on DUT

* Step 2 : Wait for the system to initialize, about 1-2 minutes

* Step 3 : Turn off CAN device

    .. code-block::

        ifconfig can0 down

* Step 4 : turn off some extra services
    
    .. code-block::

        cd /etc/netopeer2 ; sh netopeer2-server stop
        systemctl stop NetworkManager.service
        echo off > /sys/class/drm/card0-DSI-1/status

* Step 5 : Wait for 1 minute and start measuring


Power Consumption of Components
===============================

Genio 1200-EVK contains a number of additional components, the following is the power consumption of each module under suspend mode. 

.. csv-table:: Table 3. Low Power Data of G1200-EVK Components
    :class: longtable
    :file: /_asset/tables/lowpower-g1200-components-23_1.csv
    :width: 65%
    :widths: 40 40 40 

Disable Component
*****************

* MT7921 : 

    If you do not need to use WIFI and Bluetooth, you can remove the MT7921 module to reduce power consumption

* Display panel : 

    If you do not need a screen display, you can remove the screen cable to reduce power consumption

* Ethernet : 

    If you do not need to use Ethernet, you can set status = "disabled" to ``eth`` node in ``genio-700-evk.dts`` to reduce power consumption

    .. code-block::

        &eth {
            status = "disabled";
        }

* USB Hub : 

    If you do not need this module, you can remove the hardware in your platform

* SCP : 

    If you do not need this module, you can set status = "disabled" to ``scp`` node in ``genio-700-evk.dts`` to reduce power consumption

    .. code-block::

        &scp {
            status = "disabled";
        };