supleed2/ELEC60013-ES-CW2
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Added triangle and sine

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This commit is contained in:
Kacper 2022-03-25 15:07:53 +00:00
parent c425de4fa5
commit c484ebba34
1 changed files with 22 additions and 4 deletions
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26
src/main.cpp
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@ -66,6 +66,24 @@ const unsigned char volumes[6][18] = {
const unsigned char icon_bits[] = {
0x00, 0x00, 0x00, 0x00, 0xcc, 0x00, 0xcc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x01, 0x02, 0x01, 0xfe, 0x01, 0x00, 0x00};
const int16_t sineLookUpTable[] = {
128,131,134,137,140,143,146,149,152,156,159,162,165,168,171,174,
176,179,182,185,188,191,193,196,199,201,204,206,209,211,213,216,
218,220,222,224,226,228,230,232,234,236,237,239,240,242,243,245,
246,247,248,249,250,251,252,252,253,254,254,255,255,255,255,255,
255,255,255,255,255,255,254,254,253,252,252,251,250,249,248,247,
246,245,243,242,240,239,237,236,234,232,230,228,226,224,222,220,
218,216,213,211,209,206,204,201,199,196,193,191,188,185,182,179,
176,174,171,168,165,162,159,156,152,149,146,143,140,137,134,131,
128,124,121,118,115,112,109,106,103,99, 96, 93, 90, 87, 84, 81,
79, 76, 73, 70, 67, 64, 62, 59, 56, 54, 51, 49, 46, 44, 42, 39,
37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 18, 16, 15, 13, 12, 10,
9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 8,
9, 10, 12, 13, 15, 16, 18, 19, 21, 23, 25, 27, 29, 31, 33, 35,
37, 39, 42, 44, 46, 49, 51, 54, 56, 59, 62, 64, 67, 70, 73, 76,
79, 81, 84, 87, 90, 93, 96, 99, 103,106,109,112,115,118,121,124
};
#pragma endregion
#pragma region Pin Definitions
@ -157,14 +175,14 @@ void sampleISR(){
Vout = phaseAcc >> 16;
}else if(wave==SQUARE){
if(phaseAcc<0){
Vout = 0x8000;
Vout = 0x00007FFF;
}else{
Vout = 0;
Vout = 0xFFFF8000;
}
}else if(wave==TRIANGLE){
//TODO
Vout = (abs(phaseAcc)-1073741824) >> 15;
}else if(wave==SINE){
//TODO
Vout = (sineLookUpTable[(uint32_t)phaseAcc>>24]-128)<<8;
}
Vout = scaleVolume(Vout);
analogWrite(OUTR_PIN, Vout + 128);