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cnlohr
2024-07-09 03:18:12 -07:00
parent edede9d517
commit 6c7adbdcc2
3 changed files with 56 additions and 21 deletions
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ch32v/ch32v203-goertzel/adcgoertzel.c
+22 -6
View File
@@ -89,7 +89,7 @@ int32_t g_goertzel_coefficient = -1453756170;
int32_t g_goertzel_coefficient_s = 1580594514;
#endif
#if 1
#if 0
int g_pwm_period = (30-1);
int g_goertzel_buffer = (180);
int32_t g_goertzel_omega_per_sample = 5509657063; // 0.816667 of whole per step / 0.880000MHz
@@ -105,12 +105,12 @@ const int32_t g_goertzel_coefficient = 32748822;
const int32_t g_goertzel_coefficient_s = 2147233926;
#endif
#if 0
#if 1
int g_pwm_period = (30-1);
int g_goertzel_buffer = (576);
const int32_t g_goertzel_omega_per_sample = 1264972285; // 0.187500 of whole per step / 90.300000MHz
const int32_t g_goertzel_coefficient = 821806413;
const int32_t g_goertzel_coefficient_s = 1984016189;
int32_t g_goertzel_omega_per_sample = 1264972285; // 0.187500 of whole per step / 90.300000MHz
int32_t g_goertzel_coefficient = 821806413;
int32_t g_goertzel_coefficient_s = 1984016189;
#endif
#if 0
@@ -683,7 +683,23 @@ void HandleHidUserReportOutComplete( struct _USBState * ctx )
{
if( g_isConfigurePacket )
{
printf( "Is Configure Packet\n" );
uint32_t * configs = (uint32_t*)scratchpad;
// Note: configs[0] == 0xac (command type)
printf( "Is Configure Packet %08x\n", configs[1] );
int numconfigs = configs[1];
if( numconfigs > 0) g_pwm_period = configs[2];
if( numconfigs > 1) g_goertzel_buffer = configs[3];
if( numconfigs > 2) g_goertzel_omega_per_sample = configs[4]; // 0.816667 of whole per step / 0.880000MHz
if( numconfigs > 3) g_goertzel_coefficient = configs[5];
if( numconfigs > 4) g_goertzel_coefficient_s = configs[6];
// Need to reset so we don't blast by.
g_goertzel_samples = 0;
TIM1->ATRLR = g_pwm_period;
g_isConfigurePacket = 0;
}
return;
ch32v/lib/calculator.html
+13 -7
View File
@@ -33,18 +33,24 @@ function Goertz( n, mhz, fr, brf )
{
let omega = fr * 3.1415926535*2.0;
var textarea = document.getElementById("goertzeloutput");
var g_goertzel_omega_per_sample = Math.round( ( omega*2*(1<<29)) );
var g_goertzel_coefficient = Math.round( (2 * Math.cos( omega ) * (1<<30)) );
var g_goertzel_coefficient_s = Math.round( (2 * Math.sin( omega ) * (1<<30)) );
textarea.value =
"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";
"int32_t g_goertzel_omega_per_sample = " + g_goertzel_coefficient.toFixed(0) + "; // " + ( omega / (3.1415926535*2.0)).toFixed(6) + " of whole per step / " + mhz.toFixed(6) + "MHz\n" +
"int32_t g_goertzel_coefficient = " + g_goertzel_coefficient.toFixed(0) + ";\n" +
"int32_t g_goertzel_coefficient_s = " + g_goertzel_coefficient_s.toFixed(0) + ";\n";
// Highlight its content
textarea.select();
// Highlight its content
textarea.select();
// Copy the highlighted text
document.execCommand("copy");
// Copy the highlighted text
document.execCommand("copy");
updateWebHidDeviceWithParameters( [ (n-1)|0, brf|0, g_goertzel_omega_per_sample|0, g_goertzel_coefficient|0, g_goertzel_coefficient_s|0 ] );
}
function computeTable()
ch32v/lib/webhidcontrol.js
+21 -8
View File
@@ -136,10 +136,30 @@ async function sendLoopError( e )
setStatusError( e );
}
function updateWebHidDeviceWithParameters( paramlist )
{
var i = 0|0;
var arraySend = new Uint8Array(63);
for( var i = 0|0; i < paramlist.length|0; i++ )
{
var vv = paramlist[i] | 0;
arraySend[i*4+7] = (vv>>0)&0xff;
arraySend[i*4+8] = (vv>>8)&0xff;
arraySend[i*4+9] = (vv>>16)&0xff;
arraySend[i*4+10] = (vv>>24)&0xff;
}
arraySend[3] = paramlist.length | 0;
console.log( arraySend );
sendReport = dev.sendFeatureReport( 0xAC, arraySend ).catch( sendLoopError );
if( !sendReport ) sendLoopError( "error creating sendFeatureReport" );
}
async function sendLoop()
{
const sleep = ms => new Promise(r => setTimeout(r, ms));
//var arraySend = new Uint8Array(255);
var frameNo = 0|0;
var lastTime = performance.now();
let goodCount = 0;
@@ -151,13 +171,6 @@ async function sendLoop()
{
if( dev && !loopAbort )
{
//var i = 0|0;
//for( var i = 0|0; i < 255|0; i++ )
// arraySend[i] = (Math.random()*256)|0;
//sendReport = dev.sendFeatureReport( 0xAA, arraySend ).catch( sendLoopError );
//if( !sendReport ) sendLoopError( "error creating sendFeatureReport" );
receiveReport = dev.receiveFeatureReport( 0xAD ).catch( sendLoopError );
if( !receiveReport ) sendLoopError( "error creating receiveReport" );