enc 1 to 8 u table
Receives Midi Continuous Controller messages from any CC number and channel.
Inlets
int32.positive offset
bool32 fine
Outlets
None
Attributes
objref table
Declaration
int8_t vel;
uint8_t offset;
int inc;
uint8_t op;
uint32_t fine;
uint32_t adr;
uint8_t ccstack[8] = {0};
int8_t cvstack[8] = {0};
uint8_t slength;
uint8_t sread;
uint8_t swrite;
Init
vel = 0;
Control Rate
if (attr_table.BITS == 32) {
op = 28;
fine = 32 << 12;
}
if (attr_table.BITS == 16) {
op = 16;
fine = 16 << 2;
}
if (attr_table.BITS == 8) {
op = 8;
fine = 1;
}
if (slength) {
offset = ccstack[sread];
vel = cvstack[sread];
if (!inlet_fine)
inc = (vel << (21 - attr_table.GAIN));
else
inc = (vel > 0) ? fine : (fine * -1);
adr = inlet_offset + offset;
if (adr < attr_table.LENGTH) {
attr_table.array[adr] = __SSAT((attr_table.array[adr] + inc), op);
if (attr_table.array[adr] < 0)
attr_table.array[adr] = 0;
}
slength--;
sread++;
sread = sread % 8;
}
Midi Handler
if ((status & 0xF0) == MIDI_CONTROL_CHANGE) {
if ((data1 >= 71) && (data1 <= 78)) {
ccstack[swrite] = data1 - 71;
cvstack[swrite] = (data2 & 0x40) ? (128 - data2) * -1 : data2;
slength++;
swrite++;
swrite = swrite % 8;
}
}