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Completed "optimization" 

Pixels now lets you reserve memory for pixels so that the call to start the RF transmission can be done for multiple pixels at once.  However, gain is not as much as expected.  May need to revisit if driving a large matrix of pixels is needed.
This commit is contained in:
Gregg 2022-01-08 17:28:43 -06:00
parent ee6c270de3
commit aefa737675
2 changed files with 28 additions and 30 deletions
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30
src/extras/Pixel.cpp
View File

@ -30,7 +30,7 @@ void Pixel::setRGB(uint8_t r, uint8_t g, uint8_t b, int nPixels){
if(!*rf)
return;
uint32_t *pulses = (uint32_t *) malloc(96);
uint32_t *pulses = (uint32_t *) malloc(24*sizeof(uint32_t));
loadColor(getColorRGB(r,g,b),pulses);
rf->start(pulses,24,nPixels); // start pulse train and repeat for nPixels
@ -44,25 +44,25 @@ void Pixel::setRGB(uint8_t r, uint8_t g, uint8_t b, int nPixels){
void Pixel::setColors(color_t *color, int nPixels){
if(!*rf)
return;
uint32_t *pulses = (uint32_t *) malloc(nTrain*24*sizeof(uint32_t));
if(!pulses){
Serial.printf("*** ERROR: Not enough memory to reserve for %d Pixels per batch transmission\n",nTrain);
return;
uint32_t x0,x1,x2;
x0=micros();
uint32_t *pulses = (uint32_t *) malloc(nTrain*96);
for(int i=0;i<nPixels;i++){
loadColor(color[i],pulses);
rf->start(pulses,24); // start pulse train
}
x1=micros();
Serial.printf("%d\n",x1-x0);
int i,j;
for(i=0;i<nPixels;){
for(j=0;j<nTrain && i<nPixels;j++,i++)
loadColor(color[i],pulses+j*24);
rf->start(pulses,j*24);
}
while(1);
delayMicroseconds(resetTime);
free(pulses);
delayMicroseconds(resetTime);
}
///////////////////

28
src/extras/extras.ino
View File

@ -73,7 +73,7 @@ struct Effect2 {
}
};
Pixel px(21);
Pixel px(21,8);
Effect1 effect1(&px,5);
Effect2 effect2(&px,100);
@ -87,21 +87,19 @@ void setup() {
Serial.printf("PX on Pin=%d check: %s\n",px.getPin(),px?"OKAY":"BAD");
px.setRGB(0,0,0,8);
px.setRGB(255,0,0,1);
delay(500);
px.setRGB(0,255,0,2);
delay(500);
px.setRGB(0,255,0,4);
delay(500);
px.setRGB(0,255,255,6);
delay(500);
px.setRGB(0,0,255,8);
delay(500);
for(int i=1;i<5;i++){
px.setHSV(0,100,20,i);
delay(500);
}
for(int i=5;i<8;i++){
px.setHSV(60,100,30,i);
delay(500);
}
// while(1);
px.setHSV(120,100,100,8);
delay(500);
} // end of setup()
void loop(){