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349 lines (316 loc) · 11.4 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>TMP/HMD/BAR SENSOR BME280</title>
<style>
h1 { font-size:20pt; background-color:#4F4F4F; color:#FFFFFF; font-weight : normal;}
h2 { font-size:16pt; }
h3 { font-size:8pt; }
body { font-size:12pt; color:#444444; }
footer{ font-size:4pt; }
</style>
</head>
<body>
<h1><span>温度/湿度/気圧センサ BME280テストツール </span></h1>
<h2><span id="msg_string" >取得ボタンを押すと温度/湿度/気圧が表示されます</span></h2>
<button id="connect-button" type="button" disabled>接続</button>
<button id="init-button" type="button" disabled>初期化</button>
<button id="get-button" type="button" disabled>取得</button>
<h3>
<span>
本ツールは<a href="https://www.switch-science.com/catalog/6214/">USBシリアルI2C変換基板</a>とブラウザでI2Cデバイスのテストをするツールです</span>
</h3>
<h3><span>オフラインやローカル環境でも動作可能です</span></h3>
<h3><span>BME280のCS及びSDOをVDDに接続してください(I2Cアドレス0xEE)</span></h3>
<h3><span>ブラウザはEdgeもしくはChromeのみ対応しています</span></h3>
<footer>
<p>Copyright (c) 2022 Crescent All Rights Reserved.</p>
</footer>
<script>
/* TMP/HMD/BAR SENSOR BME280 Tool
* Copyright (c) 2022
* K.Watanabe,Crescent
* Released under the MIT license
* http://opensource.org/licenses/mit-license.php
*/
const connectButton = document.getElementById ('connect-button');
const initButton = document.getElementById ('init-button');
const getButton = document.getElementById ('get-button');
let port;
let keepReading = true;
let reader;
let dataIndex = 0;
let str = "";
let closed;
let dataArry = Array(8);
let Ttrim = Array(32);
let trimMode = false;
let readMode = false;
let tempf = 0.0;
let humdf = 0.0;
let pressf= 0.0;
let tempFine = 0.0;
var reg =
{ T1:0.0,T2:0.0,T3:0.0,
P1:0.0,P2:0.0,P3:0.0,P4:0.0,P5:0.0,P6:0.0,P7:0.0,P8:0.0,P9:0.0,
H1:0.0,H2:0.0,H3:0.0,H4:0.0,H5:0.0,H6:0.0};
//Wait Function
function Sleep( milli_second )
{
var start = new Date();
while( new Date() - start < milli_second );
}
//Com Open & Recieve Data
async function getReader()
{
port = await navigator.serial.requestPort({});
await port.open({ baudRate: 9600 });
connectButton.innerText = '切断';
initButton.disabled = false;
getButton.disabled = false;
//Set Init
initButton.addEventListener('click', (event) =>
{
if (port && port.writable)
{
var os_h = 0x01;//Humidity oversampling x 1
var os_t = 0x01;//Temperature oversampling x 1
var os_p = 0x01;//Pressure oversampling x 1
var mode = 0x03;//Normal mode
var c_reg = (os_t << 5) | (os_p << 2) | mode;
var tim_sb = 0x05; //Tstandby 1000ms
var filt = 0x00; //Filter off
var spidis = 0x00; //3-wire SPI Disable
var f_reg = (tim_sb << 5) | (filt << 2) | spidis;
const bytes1 = new Uint8Array([0x53, 0xEE, 0x02, 0xF2, os_h, 0x50]);//Control Humd
const bytes2 = new Uint8Array([0x53, 0xEE, 0x02, 0xF4, c_reg, 0x50]);//Control Temp & Press
const bytes3 = new Uint8Array([0x53, 0xEE, 0x02, 0xF5, f_reg, 0x50]);//Other Setting
const bytes4 = new Uint8Array([0x53, 0xEE, 0x01, 0x88, 0x53, 0xEE+1, 0x18,0x50]);//Get T TRIM
const bytes5 = new Uint8Array([0x53, 0xEE, 0x01, 0xA1, 0x53, 0xEE+1, 0x01,0x50]);//Get H TRIM
const bytes6 = new Uint8Array([0x53, 0xEE, 0x01, 0xE1, 0x53, 0xEE+1, 0x07,0x50]);//Get HH TRIM
const writer = port.writable.getWriter();
dataIndex=0;
readMode = false;
trimMode = true;
writer.write(bytes1);
Sleep(30);
writer.write(bytes2);
Sleep(30);
writer.write(bytes3);
Sleep(30);
writer.write(bytes4);
Sleep(100);
writer.write(bytes5);
Sleep(100);
writer.write(bytes6);
writer.releaseLock();
}
});
//Get TEMP & HUMD
getButton.addEventListener('click', (event) =>
{
if (port && port.writable)
{
const bytes1 = new Uint8Array([0x53, 0xEE, 0x01, 0xFA, 0x53, 0xEE+1, 0x03, 0x50]);//Temp Read
const bytes2 = new Uint8Array([0x53, 0xEE, 0x01, 0xFD, 0x53, 0xEE+1, 0x02, 0x50]);//Humd Read
const bytes3 = new Uint8Array([0x53, 0xEE, 0x01, 0xF7, 0x53, 0xEE+1, 0x03, 0x50]);//Press Read
const writer = port.writable.getWriter();
dataIndex = 0;
trimMode = false;
readMode = true;
writer.write(bytes1);
Sleep(50);
writer.write(bytes2);
Sleep(50);
writer.write(bytes3);
writer.releaseLock();
//console.log(bytes3);
}
});
while (port.readable && keepReading)
{
reader = port.readable.getReader();
try {
while (true)
{
const { value, done } = await reader.read();
if (done)
{
reader.releaseLock();
break;
}
if (value)
{
//console.log(value);
//console.log(dataIndex);
if(trimMode==true)
{
Ttrim[dataIndex]=value;
if(dataIndex==23)
{
reg.T1 = ((1.0*Ttrim[1])<<8)+(1.0*Ttrim[0]);
reg.T2 = ((1.0*Ttrim[3]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[3])<<8)+(1.0*Ttrim[2])):(((1.0*Ttrim[3])<<8)+(1.0*Ttrim[2]));
reg.T3 = ((1.0*Ttrim[5]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[5])<<8)+(1.0*Ttrim[4])):(((1.0*Ttrim[5])<<8)+(1.0*Ttrim[4]));
reg.P1 = ((1.0*Ttrim[7])<<8) +(1.0*Ttrim[6]);
reg.P2 = ((1.0*Ttrim[9]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[9])<<8)+(1.0*Ttrim[8])):(((1.0*Ttrim[9])<<8)+(1.0*Ttrim[8]));
reg.P3 = ((1.0*Ttrim[11]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[11])<<8)+(1.0*Ttrim[10])):(((1.0*Ttrim[11])<<8)+(1.0*Ttrim[10]));
reg.P4 = ((1.0*Ttrim[13]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[13])<<8)+(1.0*Ttrim[12])):(((1.0*Ttrim[13])<<8)+(1.0*Ttrim[12]));
reg.P5 = ((1.0*Ttrim[15]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[15])<<8)+(1.0*Ttrim[14])):(((1.0*Ttrim[15])<<8)+(1.0*Ttrim[14]));
reg.P6 = ((1.0*Ttrim[17]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[17])<<8)+(1.0*Ttrim[16])):(((1.0*Ttrim[17])<<8)+(1.0*Ttrim[16]));
reg.P7 = ((1.0*Ttrim[19]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[19])<<8)+(1.0*Ttrim[18])):(((1.0*Ttrim[19])<<8)+(1.0*Ttrim[18]));
reg.P8 = ((1.0*Ttrim[21]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[21])<<8)+(1.0*Ttrim[20])):(((1.0*Ttrim[21])<<8)+(1.0*Ttrim[20]));
reg.P9 = ((1.0*Ttrim[23]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[23])<<8)+(1.0*Ttrim[22])):(((1.0*Ttrim[23])<<8)+(1.0*Ttrim[22]));
//console.log(Ttrim);
}
else if(dataIndex==24)
{
reg.H1 = 1.0*Ttrim[dataIndex];
//console.log(Ttrim);
}
else if(dataIndex==31)
{
reg.H2 = ((1.0*Ttrim[26]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[26])<<8)+(1.0*Ttrim[25])):(((1.0*Ttrim[26])<<8)+(1.0*Ttrim[25]));
reg.H3 = 1.0*Ttrim[27];
reg.H4 = ((1.0*Ttrim[28]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[28])<<4)+(0x0F & (1.0*Ttrim[29]))):(((1.0*Ttrim[28])<<4)+(0x0F & (1.0*Ttrim[29])));
reg.H5 = ((1.0*Ttrim[30]) & (1 << 7))?(0xFFFF0000 |((1.0*Ttrim[30])<<4)+(0x0F & ((1.0*Ttrim[29])>>4))):(((1.0*Ttrim[30])<<4)+(0x0F & ((1.0*Ttrim[29])>>4)));
reg.H6 = 1.0*Ttrim[31];
//console.log(Ttrim);
console.log(reg);
}
}
else if(readMode==true)
{
for(var i=0; i<value.length; i++)
{
dataArry[dataIndex+i] = value[i];
}
dataIndex=dataIndex+value.length-1;
//console.log(value);
//console.log(dataIndex);
if(dataIndex==2)
{
var t1,t2,t3,t4,t5,t,t_f,res;
t1 = (1.0*dataArry[0])<<12;
t2 = (1.0*dataArry[1])<<4;
t3 = (1.0*dataArry[2])>>4;
t = t1 | t2 | t3;
t1 = (t >> 3);
t2 = (reg.T1 << 1);
t3 = t1-t2;
t4 = (t3* reg.T2);
t5 = t4>> 11;
t1=(t >> 4)- (reg.T1);
t2=(t >> 4) - (reg.T1);
t3=(t1 * t2) >> 12;
t4=(t3 * reg.T3)>> 14;
t_f = t4 + t5;
tempFine = t_f;
res = (t_f * 5.0 + 128.0);
res = res >> 8;
res = res/100.0;
tempf=Math.round(100*res)/100;
//console.log(dataArry);
}
else if(dataIndex==4)
{
var h1,h2,h3,h4,h5,h6,h7,res;
var h_raw = (1.0*dataArry[3])<<8 | (1.0*dataArry[4]);
var x1 = tempFine - 76800.0;
h1 = h_raw << 14;
h2 = reg.H4 << 20;
h3 = reg.H5 * x1;
h4 = h1 - h2 - h3 + 16384.0;
h1 = h4 >>15;
h2 = x1 * reg.H6;
h2 = h2 >>10;
h3 = x1 * reg.H3;
h4 = h3 >>11 + 32768.0;
h5 = h2 * h4 >>10;
h6 = h5*1.0 + 2097152.0;
h7 = h6 * reg.H2;
h5 = (h7*1.0 + 8192.0)>>14;
x1 = h1 * h5;
h1 = (x1 >> 15) * (x1 >> 15);
h2 = h1 >>7;
h3 = h2 * reg.H1;
x1 = x1 - (h3 >> 4);
x1 = (x1 < 0.0 ? 0.0 : x1);
x1 = (x1 > 419430400.0 ? 419430400.0 : x1);
res = (x1 >> 12)/1024.0;
//console.log(res);
humdf = Math.round(100*res)/100;
//console.log(dataArry);
}
else if(dataIndex==7)
{
var p1,p2,p3,p4,p5,p,pres,res;
p1 = (dataArry[5]<<12);
p2 = (dataArry[6]<<4);
p3 = dataArry[7]>>4;
p = p1 | p2 | p3;
p1 = (tempFine/ 2.0) - 64000.0;
p2 = (((p1 / 4.0) * (p1 / 4.0)) / 2048.0) * reg.P6;
p2 = p2 + ((p1 * reg.P5) * 2.0);
p2 = (p2 / 4.0) + (reg.P4 * 65536.0);
p1 = (((reg.P3 * (((p1 / 4.0) * (p1 / 4.0)) / 8192.0)) / 8.0) + ((reg.P2 * p1) / 2.0)) / 262144.0;
p1 = ((32768.0 + p1) * reg.P1) / 32768.0;
pres = ((1048576.0 - p) - (p2 / 4096.0)) * 3125.0;
if (pres < 0x80000000)
pres = (pres * 2.0) / p1;
else
pres = (pres / p1) * 2.0;
p1 = (reg.P9 * (((pres / 8.0) * (pres / 8.0)) / 8192.0)) / 4096.0;
p2 = ((pres / 4.0) * reg.P8) / 8192.0;
pres = pres + ((p1 + p2 + reg.P7) / 16.0);
pres=pres/100.0;
pressf = Math.round(100*pres)/100;
//console.log(dataArry);
var str = " " + tempf + " ℃ " + humdf + " ％ " + pressf + " hPa";
console.log(str);
document.getElementById("msg_string").innerText = str;
dataIndex=0;
}
}
dataIndex = dataIndex + 1;
}
}
}
catch (error)
{
}
finally
{
reader.releaseLock();
await port.close();
}
}
}
if ('serial' in navigator)
{
connectButton.addEventListener('click', async ()=>
{
if (port)
{
keepReading = false;
connectButton.innerText = '接続';
initButton.disabled = true;
getButton.disabled = true;
reader.cancel();
await closed;
port = undefined;
}
else
{
closed = getReader();
}
});
connectButton.disabled = false;
}
else
{
alert('お使いのブラウザは対応していません Edgeもしくはchromeを使用してください');
}
</script>
</body>
</html>