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lighthub/lighthub/dmx.cpp
Andrey d71499442e Important Input re-intrance bug fixed 
Haier AC relability improved (buffer not save if incoming packet broken)
CAN - sub-item calculation fixed
continue working on MultiAC
config for LH board testing shared
2025-06-26 14:07:23 +03:00

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/* Copyright © 2017-2018 Andrey Klimov. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Homepage: http://lazyhome.ru
GIT: https://github.com/anklimov/lighthub
e-mail anklimov@gmail.com
*/
#include "dmx.h"
//#include <DmxSimple.h>
//#include <DMXSerial.h>
#include "options.h"
#include "item.h"
#include "main.h"
#ifdef _dmxin
#if defined(ARDUINO_ARCH_AVR)
#include <DMXSerial.h>
#endif
#endif
#if defined(ESP8266) || defined(ARDUINO_ARCH_ESP32)
#ifndef DMX_DISABLE
DMXESPSerial dmxout;
#endif
#endif
uint8_t * DMXin = NULL;
#ifdef DMX_SMOOTH
volatile uint8_t * DMXinterimBuf = NULL;
volatile uint16_t DMXOUT_Channels=0;
volatile uint32_t checkTimestamp=0L;
#endif
#if defined(_dmxin)
volatile uint32_t D_State=0;
volatile unsigned long D_checkT=0;
uint8_t DMXINChannels=0;
#endif
#ifdef _artnet
#include <Artnet.h>
Artnet *artnet = NULL;
uint16_t artnetMinCh=1;
uint16_t artnetMaxCh=512;
#endif
extern aJsonObject *items;
extern aJsonObject *dmxArr;
itemCmd rgb2hsv(itemCmd in)
{
itemCmd out;
out.setArgType(ST_HSV255);
double min, max, delta;
double inr=in.param.r/255;
double ing=in.param.g/255;
double inb=in.param.b/255;
double inw=in.param.w/255;
min = inr < ing ? inr : ing;
min = min < inb ? min : inb;
max = inr > ing ? inr : ing;
max = max > inb ? max : inb;
max = max > inw ? max : inw;
out.param.v = max*255; // v
delta = max - min;
if (delta < 0.00001)
{
out.param.s = 0;
out.param.h = 0; // undefined, maybe nan?
return out;
}
if( max > 0.0 ) { // NOTE: if Max is == 0, this divide would cause a crash
out.param.s = (delta / max)*100; // s
} else {
// if max is 0, then r = g = b = 0
// s = 0, h is undefined
out.param.s = 0;
out.param.h = 0; // its now undefined
return out;
}
double outh;
if( inr >= max ) // > is bogus, just keeps compilor happy
outh = ( ing - inb ) / delta; // between yellow & magenta
else
if( ing >= max )
outh = 2.0 + ( inb - inr ) / delta; // between cyan & yellow
else
outh = 4.0 + ( inr - ing ) / delta; // between magenta & cyan
outh *= 60.0; // degrees
if( outh < 0.0 )
outh += 360.0;
out.param.h=outh;
return out;
}
int itemCtrl2(char* name,int r,int g, int b, int w)
{
if (!items) return 0;
aJsonObject *itemArr= aJson.getObjectItem(items, name);
if (itemArr && (itemArr->type==aJson_Array))
{
short itemtype = aJson.getArrayItem(itemArr,0)->valueint;
short itemaddr = aJson.getArrayItem(itemArr,1)->valueint;
switch (itemtype){
#ifdef _dmxout
case CH_DIMMER: //Dimmed light
DmxWrite(itemaddr, w);
break;
case CH_RGBW: //Colour RGBW
DmxWrite(itemaddr+3, w);
case CH_RGB: // RGB
{
DmxWrite(itemaddr, r);
DmxWrite(itemaddr+1, g);
DmxWrite(itemaddr+2, b);
break; }
#endif
case CH_GROUP: //Group
aJsonObject *groupArr= aJson.getArrayItem(itemArr, 1);
if (groupArr && (groupArr->type==aJson_Array))
{ aJsonObject *i =groupArr->child;
while (i)
{
if (i->type == aJson_String) itemCtrl2(i->valuestring,r,g,b,w);
i=i->next;}
}
} //itemtype
// break;
} //if have correct array
return 1;
}
void DMXImmediateUpdate(short tch,short r, short g, short b, short w) {
//Here only safe re-interable code for quick passthrow between DMX IN and DMX OUT
if (dmxArr && (dmxArr->type==aJson_Array))
{
aJsonObject *DMXch = aJson.getArrayItem(dmxArr,tch);
char* itemname = NULL;
if (DMXch->type == aJson_String) itemname=DMXch->valuestring;
if (itemname) itemCtrl2(itemname,r,g,b,w);
}
}
void DMXSemiImmediateUpdate(short tch,short r, short g, short b, short w)
{
//Here any code for passthrow between DMX IN and DMX OUT in idle state
if (dmxArr && (dmxArr->type==aJson_Array))
{
aJsonObject *DMXch = aJson.getArrayItem(dmxArr,tch);
char* itemname = NULL;
if (DMXch->type == aJson_String) itemname=DMXch->valuestring;
if (itemname)
{
Item it(itemname);
if (!r && !g && !b && !w) it.Ctrl(itemCmd().Cmd(CMD_OFF).setSuffix(S_CMD));
else
{
/*
CRGB rgb;
rgb.r = r;
rgb.g = g;
rgb.b = b;
CHSV hsv = rgb2hsv_approximate(rgb);
it.Ctrl(itemCmd().HSV255(hsv.h,hsv.s,hsv.v).setSuffix(S_SET)); */
it.Ctrl(itemCmd().RGBW(r,g,b,w).setSuffix(S_SET));
//it.Ctrl(rgb2hsv(itemCmd().RGBW(r,g,b,w)).setSuffix(S_SET));
it.Ctrl(itemCmd().Cmd(CMD_ON).setSuffix(S_CMD));
}
}
}
}
void DMXput(void)
{
if (!DMXin) return;
for (short tch=0; tch<=3 ; tch++)
{
short base = tch*4;
DMXImmediateUpdate(tch,DMXin[base],DMXin[base+1],DMXin[base+2],DMXin[base+3]);
}
};
extern volatile uint8_t timerHandlerBusy;
#if defined(_dmxin)
volatile int DMXinDoublecheck=0;
#endif
// INVOKED BY INTERRUPTS - MUST BE SAFE CODE
void DMXUpdate(void)
{
#if defined(_dmxin)
if(!DMXin) return;
#if defined(__SAM3X8E__)
if (dmxin.getRxLength()<DMXINChannels) return;
#endif
uint8_t RGBWChannels=DMXINChannels >> 2;
for (short tch=0; tch<RGBWChannels ; tch++)
{
short base = tch*4;
bool updated = false;
int t;
for (short trh=0; trh<4 ; trh++)
if ((t=dmxin.read(base+trh+1)) != DMXin[base+trh])
{
D_State |= (1<<tch);
updated=1;
DMXin[base+trh]=t;
}
if (updated)
{
DMXImmediateUpdate(tch,DMXin[base],DMXin[base+1],DMXin[base+2],DMXin[base+3]);
D_checkT=millisNZ();
}
}
#endif
}
// INVOKED in safe loop
void DMXCheck(void)
{
DMXOUT_propagate();
#if defined(_dmxin)
if ( (!D_checkT) || (!isTimeOver(D_checkT,millis(),D_CHECKT))) return;
D_checkT=0;
uint8_t RGBWChannels=DMXINChannels >> 2;
for (short rgbwChan=0; rgbwChan < RGBWChannels; rgbwChan++)
{
short base = rgbwChan*4;
short bitMask = 1 << rgbwChan;
if (D_State & bitMask)
{
D_State &= ~bitMask;
DMXSemiImmediateUpdate(rgbwChan,DMXin[base],DMXin[base+1],DMXin[base+2],DMXin[base+3]);
break;
}
}
#ifdef _dmxout
debugSerial.print(F("DMXIN:"));
for (int i=1; i<17; i++) {debugSerial.print(dmxin.read(i));debugSerial.print(";");}
debugSerial.println();
#endif
#endif
}
void onDmxFrame(uint16_t universe, uint16_t length, uint8_t sequence, uint8_t* data, IPAddress remoteIP)
{
#if defined (_dmxout) && defined (_artnet)
for (unsigned int i = artnetMinCh-1 ; i < length && i<artnetMaxCh ; i++)
{
DmxWrite(i+1,data[i]);
}
#endif
}
void DMXinSetup(int channels)
{
if (DMXin) return;/// ToDo: re-init
// //Use digital pin 3 for DMX output. Must be a PWM channel.
// DmxSimple.usePin(pin);
//DmxSimple.maxChannel(channels);
#if defined(_dmxin)
if (channels>(32*4)) channels = 32*4;
DMXin = new uint8_t [channels];
DMXINChannels=channels;
// debugSerial<<F("DMXIN: init chans:")<<channels<<endl;
#if defined(ARDUINO_ARCH_AVR)
DMXSerial.init(DMXReceiver,0,channels);
if (DMXSerial.getBuffer()) {debugSerial.print(F("Init in ch:"));debugSerial.println(channels);} else debugSerial.println(F("DMXin Buffer alloc err"));
//DMXSerial.maxChannel(channels);
DMXSerial.attachOnUpdate(&DMXUpdate);
#endif
#if defined(__SAM3X8E__)
dmxin.setRxEvent(DMXUpdate);
dmxin.begin();
#endif
#endif
#ifdef _artnet
// this will be called for each packet received
if (artnet) artnet->setArtDmxCallback(onDmxFrame);
#endif
}
void DMXoutSetup(int channels)
{
#ifdef _dmxout
//#ifdef _artnet
//if (channels<artnetMaxCh) artnetMaxCh=channels;
//#endif
#if defined(ARDUINO_ARCH_AVR)
DmxSimple.usePin(AVR_DMXOUT_PIN);
DmxSimple.maxChannel(channels);
#endif
#if defined(ESP8266)
dmxout.init(channels);
#endif
#if defined(__SAM3X8E__)
dmxout.begin();
dmxout.setTxMaxChannels(channels);
#endif
#endif
#ifndef DMX_DISABLE
for (int i=1;i<=channels;i++) DmxWrite(i,0);
#endif
debugSerial<<F("DMXOut. Free:")<<freeRam()<<endl;
#ifdef DMX_SMOOTH
if (DMXinterimBuf) delete DMXinterimBuf;
DMXinterimBuf = new uint8_t [channels+1];
DMXOUT_Channels=channels;
for (int i=1;i<=channels;i++) DMXinterimBuf[i]=0;
debugSerial<<F("DMXInterim. Free:")<<freeRam()<<endl;
#endif
}
volatile int8_t propagateBusy = 0;
void DMXOUT_propagate()
{
#ifdef DMX_SMOOTH
if (propagateBusy) return;
propagateBusy++;
uint32_t now = millis();
//if (now<checkTimestamp) return;
if (isTimeOver(checkTimestamp,now,DMX_SMOOTH_DELAY))
{
for(int i=1;i<=DMXOUT_Channels;i++)
{
uint8_t currLevel=dmxout.getTx(i);
int32_t delta = currLevel-DMXinterimBuf[i-1];
if (delta)
{
uint16_t step = abs(delta) >> 4;
if (!step) step=1;
if (delta<0)
{
DmxWrite2(i,currLevel+step);
//debugSerial<<"<";
}
if (delta>0)
{
DmxWrite2(i,currLevel-step);
//debugSerial<<">";
}
}
}
checkTimestamp=now;
}
propagateBusy--;
#endif
}
void artnetSetup()
{
#ifdef _artnet
if (!artnet)
{
artnet = new Artnet;
artnet->begin();
// this will be called for each packet received
if (artnet) artnet->setArtDmxCallback(onDmxFrame);
}
#endif
}
void artnetSetChans(uint8_t minCh, uint8_t maxCh)
{
#ifdef _artnet
artnetMinCh=minCh;
artnetMaxCh=maxCh;
#endif
}
void DmxWriteBuf(uint16_t chan,uint8_t val)
{
#ifdef DMX_SMOOTH
if (chan && chan<=DMXOUT_Channels)
DMXinterimBuf[chan-1] = val;
#endif
}
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