100 lines
2.7 KiB
JavaScript
100 lines
2.7 KiB
JavaScript
/*
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* Copyright (c) 2021 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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/**
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* This file holds all current measurements related to ZMK features and hardware
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* All current measurements are in micro amps. Measurements were taken on a Nordic Power Profiler Kit
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* The test device to get these values was three nice!nanos (nRF52840).
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*/
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export const zmkBase = {
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hostConnection: 23, // How much current it takes to have an idle host connection
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standalone: {
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idle: 0, // No extra idle current
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typing: 315, // Current while holding down a key. Represents polling+BLE notification power
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},
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central: {
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idle: 490, // Idle current for connection to right half
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typing: 380, // Current while holding down a key. Represents polling+BLE notification power
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},
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peripheral: {
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idle: 20, // Idle current for connection to left half
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typing: 365, // Current while holding down a key. Represents polling+BLE notification power
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},
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};
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/**
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* ZMK board power measurements
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*
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* Power supply can be an LDO or switching
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* Quiescent and other quiescent are measured in micro amps
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*
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* Switching efficiency represents the efficiency of converting from
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* 3.8V (average li-ion voltage) to the output voltage of the power supply
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*/
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export const zmkBoards = {
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"nice!nano": {
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name: "nice!nano v1",
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powerSupply: {
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type: "LDO",
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outputVoltage: 3.3,
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quiescentMicroA: 55,
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},
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otherQuiescentMicroA: 4,
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},
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"nice!nano v2": {
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name: "nice!nano v2",
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powerSupply: {
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type: "LDO",
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outputVoltage: 3.3,
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quiescentMicroA: 15,
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},
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otherQuiescentMicroA: 3,
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},
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"nice!60": {
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powerSupply: {
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type: "SWITCHING",
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outputVoltage: 3.3,
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efficiency: 0.95,
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quiescentMicroA: 4,
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},
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otherQuiescentMicroA: 4,
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},
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};
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export const underglowPower = {
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firmware: 60, // ZMK power usage while underglow feature is turned on (SPIM mostly)
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ledOn: 20000, // Estimated power consumption of a WS2812B at 100% (can be anywhere from 10mA to 30mA)
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ledOff: 460, // Quiescent current of a WS2812B
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};
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export const backlightLEDs = {
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White: 3.2,
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Blue: 3.0,
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Green: 2.2,
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Yellow: 2.1,
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Red: 1.8,
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};
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export const backlightPower = {
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pwmPower: 510, // Estimated power consumption of PWM module
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};
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export const displayPower = {
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// Based on GoodDisplay's 1.02in epaper
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EPAPER: {
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activePercent: 0.05, // Estimated one refresh per minute taking three seconds
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active: 1500, // Power draw during refresh
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sleep: 5, // Idle power draw of an epaper
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},
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// 128x32 SSD1306
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OLED: {
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activePercent: 0.5, // Estimated sleeping half the time (based on idle)
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active: 10000, // Estimated power draw when about half the pixels are on
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sleep: 7, // Deep sleep power draw (display off)
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},
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};
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