casiotone 401
OSCtoCV Library
Diff: OSCtoCV_LFO.cpp
- Revision:
- 1:981b62bb5c87
- Parent:
- 0:cd43a974c54c
- Child:
- 4:fe335dc8d53d
--- a/OSCtoCV_LFO.cpp Sun Jan 17 09:30:32 2016 +0000
+++ b/OSCtoCV_LFO.cpp Thu Jan 28 11:39:47 2016 +0000
@@ -103,9 +103,10 @@
//-------------------------------------------------------------
// LFO cv generator
-void SteppedLFO(void)
+void SteppedLFO(unsigned int channelOffset, bool quantizeOff)
{
- static uint8_t ch, mcount, qmode, amode;
+ static uint8_t ch = channelOffset;
+ static uint8_t mcount, qmode, amode;
int waveform;
static int _waveform = -1;
static int steps;
@@ -113,8 +114,10 @@
unsigned int cv;
static float qcv;
float freq;
+ static int jitter, jitterCount;
qmode = (gCtrl[1] * (SCALE_NUM - 1.0f)); // Sequencer Quantize Mode (gCtrl[1])
+
amode = SCALE_AOUT * qmode;
gAOUT.write_u16(amode);
@@ -128,42 +131,42 @@
{
case TRIANGLE_WAVE:
- UpdateSubModeLCD("Tr:::::");
+ UpdateSubModeLCD("Tri:Wave");
break;
case SAW_WAVE:
- UpdateSubModeLCD("Saw:::::");
+ UpdateSubModeLCD("Saw:Wave");
break;
case SQUARE_WAVE:
- UpdateSubModeLCD("Sqr:::::");
+ UpdateSubModeLCD("Sqr:Wave");
break;
case SINE_WAVE:
- UpdateSubModeLCD("Sine::::");
+ UpdateSubModeLCD("Sin:Wave");
break;
case EXP_WAVE:
- UpdateSubModeLCD("Exp:::::");
+ UpdateSubModeLCD("Exp:Wave");
break;
case LOG_WAVE:
- UpdateSubModeLCD("Log:::::");
+ UpdateSubModeLCD("Log:Wave");
break;
case SYNTH_WAVE:
- UpdateSubModeLCD("Syn:::::");
+ UpdateSubModeLCD("Syn:Wave");
break;
case NOISE:
- UpdateSubModeLCD("Noise:::");
+ UpdateSubModeLCD("XorNoise");
break;
default:
@@ -180,42 +183,42 @@
{
case TRIANGLE_WAVE:
- lfocv[0] = TriWave(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = TriWave(UpdateLFO(freq)) * SCALING_N;
break;
case SAW_WAVE:
- lfocv[0] = SawWave(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = SawWave(UpdateLFO(freq)) * SCALING_N;
break;
case SQUARE_WAVE:
- lfocv[0] = SqrWave(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = SqrWave(UpdateLFO(freq)) * SCALING_N;
break;
case SINE_WAVE:
- lfocv[0] = SinWave(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = SinWave(UpdateLFO(freq)) * SCALING_N;
break;
case EXP_WAVE:
- lfocv[0] = ExpWave(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = ExpWave(UpdateLFO(freq)) * SCALING_N;
break;
case LOG_WAVE:
- lfocv[0] = LogWave(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = LogWave(UpdateLFO(freq)) * SCALING_N;
break;
case SYNTH_WAVE:
- lfocv[0] = SynthWave1(UpdateLFO(freq)) * SCALING_N;
+ lfocv[channelOffset] = SynthWave1(UpdateLFO(freq)) * SCALING_N;
break;
case NOISE:
- lfocv[0] = fmodf(Xorshift_32(), SCALING_N);
+ lfocv[channelOffset] = fmodf(Xorshift_32(), SCALING_N);
break;
default:
@@ -224,6 +227,11 @@
//lfocv[i + 4] = Invert(lfocv[i]); // ch4 ~ ch8 invert waveform
+ if (quantizeOff) // quantize Off
+ {
+ qmode = Lin;
+ }
+
switch (qmode)
{
case Lin:
@@ -232,79 +240,88 @@
{
steps = (unsigned int)gArdPot[1] * 0.1; // check LFO Steps(Quantize Resolustion)ArdPot2gArdPot[1]
- lfocv[0] = quantizedMap[(unsigned int)(MapFloat(lfocv[0], 0, SCALING_N, 0, steps)) * (1024 / steps)];
+ lfocv[channelOffset] = quantizedMap[(unsigned int)(MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, steps)) * (1024 / steps)];
}
- glidecv[0] = glidecv[0] * gGlide + lfocv[0] * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + lfocv[channelOffset] * (1.0f - gGlide);
break;
case Chr:
- qcv = calibMap1[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES1 - 1))];
+ qcv = calibMap1[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES1 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case Maj:
- qcv = calibMap2[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES2 - 1))];
+ qcv = calibMap2[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES2 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case M7:
- qcv = calibMap3[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES3 - 1))];
+ qcv = calibMap3[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES3 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case Min7:
- qcv = calibMap4[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES4 - 1))];
+ qcv = calibMap4[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES4 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case Dor:
- qcv = calibMap5[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES5 - 1))];
+ qcv = calibMap5[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES5 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case Min:
- qcv = calibMap6[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES6 - 1))];
+ qcv = calibMap6[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES6 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case S5th:
- qcv = calibMap7[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES7 - 1))];
+ qcv = calibMap7[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES7 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
case Wht:
- qcv = calibMap8[(unsigned int)MapFloat(lfocv[0], 0, SCALING_N, 0, (QUAN_RES8 - 1))];
+ qcv = calibMap8[(unsigned int)MapFloat(lfocv[channelOffset], 0, SCALING_N, 0, (QUAN_RES8 - 1))];
- glidecv[0] = glidecv[0] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
+ glidecv[channelOffset] = glidecv[channelOffset] * gGlide + (qcv * SCALING_N) * (1.0f - gGlide);
break;
}
- cv = (unsigned int)(glidecv[0]);
+ if (!gCtrlSW[4])
+ {
+ jitter = 0;
+ } else if (gCtrlSW[4] && jitterCount % 64 == 0) { // ASR Analog Mode
+
+ jitter = ANALOG_JITTER;
+ }
+
+ cv = (unsigned int)(glidecv[channelOffset] + jitter);
+
UpdateCV(WRITE_UPDATE_N, ch, &cv);
if (mcount == 0x1F)
@@ -314,13 +331,16 @@
++ch;
- if (ch &= 0x07)
+ if (ch == 8)
{
+ ch = channelOffset - 1; //output channelOffset ~ ch8
+
++mcount;
mcount &= 0x3F;
}
+
+ ++jitterCount;
+ jitterCount &= 0x1FF;
}
-
-