daniel/lolra
1
0
Fork 0
mirror of https://github.com/cnlohr/lolra.git synced 2026-06-17 00:09:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

Progress on goertzel's work in conjunction with web.

Browse Source
This commit is contained in:
cnlohr
2024-07-07 03:44:51 -07:00
parent 4fe9638062
commit 0a6e76034f
10 changed files with 372 additions and 1148 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ch32v/lib/calculator.html
+28 -10
View File
@@ -1,14 +1,20 @@
<!DOCTYPE html>
<HTML>
<HEAD>
<LINK rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
<META charset="UTF-8">
<STYLE>
body {
background-color: Canvas;
color: CanvasText;
color-scheme: light dark;
}
:root {
color-scheme: dark;
}
</STYLE>
<SCRIPT src=webhidcontrol.js></SCRIPT>
<SCRIPT>
@@ -28,11 +34,11 @@ function Goertz( n, mhz, fr, brf )
let omega = fr * 3.1415926535*2.0;
var textarea = document.getElementById("goertzeloutput");
textarea.value =
"#define PWM_PERIOD ("+n+"-1)\n" +
"#define GOERTZEL_BUFFER ("+brf+")\n" +
"const int32_t g_goertzel_omega_per_sample = " + ( omega*2*(1<<29)).toFixed(0) + "; // " + ( omega / (3.1415926535*2.0)).toFixed(6) + " of whole per step / " + mhz.toFixed(6) + "MHz\n" +
"const int32_t g_goertzel_coefficient = " + (2 * Math.cos( omega ) * (1<<30)).toFixed(0) + ";\n" +
"const int32_t g_goertzel_coefficient_s = "+ (2 * Math.sin( omega ) * (1<<30)).toFixed(0) + ";\n";
"int g_pwm_period = ("+n+"-1);\n" +
"int g_goertzel_buffer = ("+brf+");\n" +
"int32_t g_goertzel_omega_per_sample = " + ( omega*2*(1<<29)).toFixed(0) + "; // " + ( omega / (3.1415926535*2.0)).toFixed(6) + " of whole per step / " + mhz.toFixed(6) + "MHz\n" +
"int32_t g_goertzel_coefficient = " + (2 * Math.cos( omega ) * (1<<30)).toFixed(0) + ";\n" +
"int32_t g_goertzel_coefficient_s = "+ (2 * Math.sin( omega ) * (1<<30)).toFixed(0) + ";\n";
// Highlight its content
textarea.select();
@@ -184,13 +190,19 @@ function computeTable()
document.getElementById( "TABLE" ).innerHTML = contents;
}
function onLoad()
{
onLoadWebHidControl();
}
</SCRIPT>
</HEAD>
<BODY>
<BODY onLoad="onLoad()">
<p>Tool for computing tuning to specific frequencies by use of direct ADC reading at specific timer-controlled rate to "tune" to specific frequencies either by quadrature or differential.</p>
<TABLE>
<TR>
<TD VALIGN=TOP>
<TABLE>
<TR><TD>Crystal MHz</TD><TD><INPUT ID=crystalmhz VALUE=144></TD></TR>
<TR><TD>Target MHz</TD><TD><INPUT ID=targetmhz VALUE=27.019360></TD></TR>
<TR><TD>Quanta</TD><TD><INPUT ID=quanta VALUE=1024> (Goertzel's Algorithm Only)</TD></TR>
@@ -198,7 +210,13 @@ function computeTable()
<TR><TD>Table Type</TD><TD><INPUT TYPE=RADIO ID=QUADRATURE NAME=computetype checked>Quadrature</INPUT><INPUT TYPE=RADIO ID=GOERTZELS NAME=computetype>Goertzels</INPUT></TD></TR>
<TR><TD COLSPAN=2><INPUT TYPE=SUBMIT VALUE="Compute" ONCLICK="computeTable()"></TD></TR>
</TABLE>
</TD>
<TD VALIGN=TOP>
Live Control:
<TABLE><TR><TD><INPUT TYPE=SUBMIT onClick="reqConnect()" VALUE="Open Device" ID=connectButton></TD><TD><DIV ID=STATUS></DIV></TD></TR></TABLE>
<DIV ID="StatusPerf"></DIV>
</TR>
</TABLE>
<DIV ID=TABLE></DIV>