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#!/bin/bash |
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sed -e 's/^.\+Arduino\.h.\+$/#include <stdint.h>/' ../mdaEPianoData.h >mdaEPianoData.h |
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sed -i 's/PROGMEM//' mdaEPianoData.h |
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sed -i 's/const//' mdaEPianoData.h |
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gcc -o xfade_generator xfade_generator.c |
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rm mdaEPianoData.h |
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./xfade_generator >../mdaEPianoData_xfade.h |
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rm xfade_generator |
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@ -0,0 +1,100 @@ |
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#include "mdaEPianoData.h" |
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#include <stdio.h> |
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#include <math.h> |
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#include <stdint.h> |
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struct KGRP //keygroup
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{ |
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int32_t root; //MIDI root note
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int32_t high; //highest note
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int32_t pos; |
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int32_t end; |
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int32_t loop; |
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}; |
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void main(void) |
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{ |
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struct KGRP kgrp[34]; |
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int16_t *waves = (int16_t*)epianoData; |
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//Waveform data and keymapping
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kgrp[ 0].root = 36; kgrp[ 0].high = 39; //C1
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kgrp[ 3].root = 43; kgrp[ 3].high = 45; //G1
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kgrp[ 6].root = 48; kgrp[ 6].high = 51; //C2
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kgrp[ 9].root = 55; kgrp[ 9].high = 57; //G2
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kgrp[12].root = 60; kgrp[12].high = 63; //C3
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kgrp[15].root = 67; kgrp[15].high = 69; //G3
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kgrp[18].root = 72; kgrp[18].high = 75; //C4
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kgrp[21].root = 79; kgrp[21].high = 81; //G4
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kgrp[24].root = 84; kgrp[24].high = 87; //C5
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kgrp[27].root = 91; kgrp[27].high = 93; //G5
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kgrp[30].root = 96; kgrp[30].high = 999; //C6
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kgrp[0].pos = 0; kgrp[0].end = 8476; kgrp[0].loop = 4400; |
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kgrp[1].pos = 8477; kgrp[1].end = 16248; kgrp[1].loop = 4903; |
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kgrp[2].pos = 16249; kgrp[2].end = 34565; kgrp[2].loop = 6398; |
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kgrp[3].pos = 34566; kgrp[3].end = 41384; kgrp[3].loop = 3938; |
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kgrp[4].pos = 41385; kgrp[4].end = 45760; kgrp[4].loop = 1633; //was 1636;
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kgrp[5].pos = 45761; kgrp[5].end = 65211; kgrp[5].loop = 5245; |
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kgrp[6].pos = 65212; kgrp[6].end = 72897; kgrp[6].loop = 2937; |
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kgrp[7].pos = 72898; kgrp[7].end = 78626; kgrp[7].loop = 2203; //was 2204;
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kgrp[8].pos = 78627; kgrp[8].end = 100387; kgrp[8].loop = 6368; |
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kgrp[9].pos = 100388; kgrp[9].end = 116297; kgrp[9].loop = 10452; |
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kgrp[10].pos = 116298; kgrp[10].end = 127661; kgrp[10].loop = 5217; //was 5220;
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kgrp[11].pos = 127662; kgrp[11].end = 144113; kgrp[11].loop = 3099; |
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kgrp[12].pos = 144114; kgrp[12].end = 152863; kgrp[12].loop = 4284; |
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kgrp[13].pos = 152864; kgrp[13].end = 173107; kgrp[13].loop = 3916; |
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kgrp[14].pos = 173108; kgrp[14].end = 192734; kgrp[14].loop = 2937; |
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kgrp[15].pos = 192735; kgrp[15].end = 204598; kgrp[15].loop = 4732; |
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kgrp[16].pos = 204599; kgrp[16].end = 218995; kgrp[16].loop = 4733; |
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kgrp[17].pos = 218996; kgrp[17].end = 233801; kgrp[17].loop = 2285; |
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kgrp[18].pos = 233802; kgrp[18].end = 248011; kgrp[18].loop = 4098; |
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kgrp[19].pos = 248012; kgrp[19].end = 265287; kgrp[19].loop = 4099; |
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kgrp[20].pos = 265288; kgrp[20].end = 282255; kgrp[20].loop = 3609; |
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kgrp[21].pos = 282256; kgrp[21].end = 293776; kgrp[21].loop = 2446; |
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kgrp[22].pos = 293777; kgrp[22].end = 312566; kgrp[22].loop = 6278; |
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kgrp[23].pos = 312567; kgrp[23].end = 330200; kgrp[23].loop = 2283; |
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kgrp[24].pos = 330201; kgrp[24].end = 348889; kgrp[24].loop = 2689; |
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kgrp[25].pos = 348890; kgrp[25].end = 365675; kgrp[25].loop = 4370; |
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kgrp[26].pos = 365676; kgrp[26].end = 383661; kgrp[26].loop = 5225; |
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kgrp[27].pos = 383662; kgrp[27].end = 393372; kgrp[27].loop = 2811; |
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kgrp[28].pos = 383662; kgrp[28].end = 393372; kgrp[28].loop = 2811; //ghost
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kgrp[29].pos = 393373; kgrp[29].end = 406045; kgrp[29].loop = 4522; |
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kgrp[30].pos = 406046; kgrp[30].end = 414486; kgrp[30].loop = 2306; |
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kgrp[31].pos = 406046; kgrp[31].end = 414486; kgrp[31].loop = 2306; //ghost
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kgrp[32].pos = 414487; kgrp[32].end = 422408; kgrp[32].loop = 2169; |
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//extra xfade looping...
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for (int32_t k = 0; k < 28; k++) |
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{ |
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int32_t p0 = kgrp[k].end; |
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int32_t p1 = kgrp[k].end - kgrp[k].loop; |
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float xf = 1.0f; |
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float dxf = -0.02f; |
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while (xf > 0.0f) |
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{ |
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waves[p0] = (int16_t)((1.0f - xf) * (float)waves[p0] + xf * (float)waves[p1]); |
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p0--; |
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p1--; |
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xf += dxf; |
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} |
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} |
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// output
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printf("#include <Arduino.h>\n\n"); |
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printf("const int16_t epianoDataXfade[] PROGMEM = {\n"); |
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for(uint32_t z=0; z<(844836/sizeof(int16_t)); z=z+20) |
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{ |
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for(uint32_t i=0;i<20;i++) |
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{ |
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if(z+i>=(uint32_t)(844836/sizeof(int16_t))) |
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break;
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printf("%d,",waves[z+i]); |
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if(i>=19) |
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printf("\n"); |
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} |
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} |
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printf("\n};\n"); |
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} |
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