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100 lines
3.9 KiB

#include "mdaEPianoData.h"
#include <stdio.h>
#include <math.h>
#include <stdint.h>
struct KGRP //keygroup
{
int32_t root; //MIDI root note
int32_t high; //highest note
int32_t pos;
int32_t end;
int32_t loop;
};
void main(void)
{
struct KGRP kgrp[34];
int16_t *waves = (int16_t*)epianoData;
//Waveform data and keymapping
kgrp[ 0].root = 36; kgrp[ 0].high = 39; //C1
kgrp[ 3].root = 43; kgrp[ 3].high = 45; //G1
kgrp[ 6].root = 48; kgrp[ 6].high = 51; //C2
kgrp[ 9].root = 55; kgrp[ 9].high = 57; //G2
kgrp[12].root = 60; kgrp[12].high = 63; //C3
kgrp[15].root = 67; kgrp[15].high = 69; //G3
kgrp[18].root = 72; kgrp[18].high = 75; //C4
kgrp[21].root = 79; kgrp[21].high = 81; //G4
kgrp[24].root = 84; kgrp[24].high = 87; //C5
kgrp[27].root = 91; kgrp[27].high = 93; //G5
kgrp[30].root = 96; kgrp[30].high = 999; //C6
kgrp[0].pos = 0; kgrp[0].end = 8476; kgrp[0].loop = 4400;
kgrp[1].pos = 8477; kgrp[1].end = 16248; kgrp[1].loop = 4903;
kgrp[2].pos = 16249; kgrp[2].end = 34565; kgrp[2].loop = 6398;
kgrp[3].pos = 34566; kgrp[3].end = 41384; kgrp[3].loop = 3938;
kgrp[4].pos = 41385; kgrp[4].end = 45760; kgrp[4].loop = 1633; //was 1636;
kgrp[5].pos = 45761; kgrp[5].end = 65211; kgrp[5].loop = 5245;
kgrp[6].pos = 65212; kgrp[6].end = 72897; kgrp[6].loop = 2937;
kgrp[7].pos = 72898; kgrp[7].end = 78626; kgrp[7].loop = 2203; //was 2204;
kgrp[8].pos = 78627; kgrp[8].end = 100387; kgrp[8].loop = 6368;
kgrp[9].pos = 100388; kgrp[9].end = 116297; kgrp[9].loop = 10452;
kgrp[10].pos = 116298; kgrp[10].end = 127661; kgrp[10].loop = 5217; //was 5220;
kgrp[11].pos = 127662; kgrp[11].end = 144113; kgrp[11].loop = 3099;
kgrp[12].pos = 144114; kgrp[12].end = 152863; kgrp[12].loop = 4284;
kgrp[13].pos = 152864; kgrp[13].end = 173107; kgrp[13].loop = 3916;
kgrp[14].pos = 173108; kgrp[14].end = 192734; kgrp[14].loop = 2937;
kgrp[15].pos = 192735; kgrp[15].end = 204598; kgrp[15].loop = 4732;
kgrp[16].pos = 204599; kgrp[16].end = 218995; kgrp[16].loop = 4733;
kgrp[17].pos = 218996; kgrp[17].end = 233801; kgrp[17].loop = 2285;
kgrp[18].pos = 233802; kgrp[18].end = 248011; kgrp[18].loop = 4098;
kgrp[19].pos = 248012; kgrp[19].end = 265287; kgrp[19].loop = 4099;
kgrp[20].pos = 265288; kgrp[20].end = 282255; kgrp[20].loop = 3609;
kgrp[21].pos = 282256; kgrp[21].end = 293776; kgrp[21].loop = 2446;
kgrp[22].pos = 293777; kgrp[22].end = 312566; kgrp[22].loop = 6278;
kgrp[23].pos = 312567; kgrp[23].end = 330200; kgrp[23].loop = 2283;
kgrp[24].pos = 330201; kgrp[24].end = 348889; kgrp[24].loop = 2689;
kgrp[25].pos = 348890; kgrp[25].end = 365675; kgrp[25].loop = 4370;
kgrp[26].pos = 365676; kgrp[26].end = 383661; kgrp[26].loop = 5225;
kgrp[27].pos = 383662; kgrp[27].end = 393372; kgrp[27].loop = 2811;
kgrp[28].pos = 383662; kgrp[28].end = 393372; kgrp[28].loop = 2811; //ghost
kgrp[29].pos = 393373; kgrp[29].end = 406045; kgrp[29].loop = 4522;
kgrp[30].pos = 406046; kgrp[30].end = 414486; kgrp[30].loop = 2306;
kgrp[31].pos = 406046; kgrp[31].end = 414486; kgrp[31].loop = 2306; //ghost
kgrp[32].pos = 414487; kgrp[32].end = 422408; kgrp[32].loop = 2169;
//extra xfade looping...
for (int32_t k = 0; k < 28; k++)
{
int32_t p0 = kgrp[k].end;
int32_t p1 = kgrp[k].end - kgrp[k].loop;
float xf = 1.0f;
float dxf = -0.02f;
while (xf > 0.0f)
{
waves[p0] = (int16_t)((1.0f - xf) * (float)waves[p0] + xf * (float)waves[p1]);
p0--;
p1--;
xf += dxf;
}
}
// output
printf("#include <Arduino.h>\n\n");
printf("const int16_t epianoDataXfade[] PROGMEM = {\n");
for(uint32_t z=0; z<(844836/sizeof(int16_t)); z=z+20)
{
for(uint32_t i=0;i<20;i++)
{
if(z+i>=(uint32_t)(844836/sizeof(int16_t)))
break;
printf("%d,",waves[z+i]);
if(i>=19)
printf("\n");
}
}
printf("\n};\n");
}