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WLED/wled00/bus_manager.h
cschwinne 374457df70 A few small fixes
2021-06-09 12:57:16 +02:00

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#ifndef BusManager_h
#define BusManager_h
/*
* Class for addressing various light types
*/
#include "const.h"
#include "pin_manager.h"
#include "bus_wrapper.h"
#include <Arduino.h>
//temporary struct for passing bus configuration to bus
struct BusConfig {
uint8_t type = TYPE_WS2812_RGB;
uint16_t count = 1;
uint16_t start = 0;
uint8_t colorOrder = COL_ORDER_GRB;
bool reversed = false;
uint8_t skipAmount;
uint8_t pins[5] = {LEDPIN, 255, 255, 255, 255};
BusConfig(uint8_t busType, uint8_t* ppins, uint16_t pstart, uint16_t len = 1, uint8_t pcolorOrder = COL_ORDER_GRB, bool rev = false, uint8_t skip=0) {
type = busType; count = len; start = pstart;
colorOrder = pcolorOrder; reversed = rev; skipAmount = skip;
uint8_t nPins = 1;
if (type > 47) nPins = 2;
else if (type > 40 && type < 46) nPins = NUM_PWM_PINS(type);
for (uint8_t i = 0; i < nPins; i++) pins[i] = ppins[i];
}
};
//parent class of BusDigital and BusPwm
class Bus {
public:
Bus(uint8_t type, uint16_t start) {
_type = type;
_start = start;
};
virtual void show() {}
virtual bool canShow() { return true; }
virtual void setPixelColor(uint16_t pix, uint32_t c) {};
virtual void setBrightness(uint8_t b) {};
virtual uint32_t getPixelColor(uint16_t pix) { return 0; };
virtual void cleanup() {};
virtual ~Bus() { //throw the bus under the bus
}
virtual uint8_t getPins(uint8_t* pinArray) { return 0; }
inline uint16_t getStart() {
return _start;
}
inline void setStart(uint16_t start) {
_start = start;
}
virtual uint16_t getLength() {
return 1;
}
virtual void setColorOrder() {}
virtual uint8_t getColorOrder() {
return COL_ORDER_RGB;
}
virtual bool isRgbw() {
return false;
}
virtual uint8_t skippedLeds() {
return 0;
}
inline uint8_t getType() {
return _type;
}
inline bool isOk() {
return _valid;
}
static bool isRgbw(uint8_t type) {
if (type == TYPE_SK6812_RGBW || type == TYPE_TM1814) return true;
if (type > TYPE_ONOFF && type <= TYPE_ANALOG_5CH && type != TYPE_ANALOG_3CH) return true;
return false;
}
bool reversed = false;
protected:
uint8_t _type = TYPE_NONE;
uint8_t _bri = 255;
uint16_t _start = 0;
bool _valid = false;
};
class BusDigital : public Bus {
public:
BusDigital(BusConfig &bc, uint8_t nr) : Bus(bc.type, bc.start) {
if (!IS_DIGITAL(bc.type) || !bc.count) return;
_pins[0] = bc.pins[0];
if (!pinManager.allocatePin(_pins[0])) return;
if (IS_2PIN(bc.type)) {
_pins[1] = bc.pins[1];
if (!pinManager.allocatePin(_pins[1])) {
cleanup(); return;
}
}
reversed = bc.reversed;
_skip = bc.skipAmount; //sacrificial pixels
_len = bc.count + _skip;
_iType = PolyBus::getI(bc.type, _pins, nr);
if (_iType == I_NONE) return;
_busPtr = PolyBus::create(_iType, _pins, _len);
_valid = (_busPtr != nullptr);
_colorOrder = bc.colorOrder;
//Serial.printf("Successfully inited strip %u (len %u) with type %u and pins %u,%u (itype %u)\n",nr, len, type, pins[0],pins[1],_iType);
};
inline void show() {
PolyBus::show(_busPtr, _iType);
}
inline bool canShow() {
return PolyBus::canShow(_busPtr, _iType);
}
void setBrightness(uint8_t b) {
//Fix for turning off onboard LED breaking bus
#ifdef LED_BUILTIN
if (_bri == 0 && b > 0) {
if (_pins[0] == LED_BUILTIN || _pins[1] == LED_BUILTIN) PolyBus::begin(_busPtr, _iType, _pins);
}
#endif
_bri = b;
PolyBus::setBrightness(_busPtr, _iType, b);
}
void setPixelColor(uint16_t pix, uint32_t c) {
if (reversed) pix = _len - pix -1;
else pix += _skip;
PolyBus::setPixelColor(_busPtr, _iType, pix, c, _colorOrder);
}
uint32_t getPixelColor(uint16_t pix) {
if (reversed) pix = _len - pix -1;
else pix += _skip;
return PolyBus::getPixelColor(_busPtr, _iType, pix, _colorOrder);
}
inline uint8_t getColorOrder() {
return _colorOrder;
}
inline uint16_t getLength() {
return _len - _skip;
}
uint8_t getPins(uint8_t* pinArray) {
uint8_t numPins = IS_2PIN(_type) ? 2 : 1;
for (uint8_t i = 0; i < numPins; i++) pinArray[i] = _pins[i];
return numPins;
}
void setColorOrder(uint8_t colorOrder) {
if (colorOrder > 5) return;
_colorOrder = colorOrder;
}
inline bool isRgbw() {
return (_type == TYPE_SK6812_RGBW || _type == TYPE_TM1814);
}
inline uint8_t skippedLeds() {
return _skip;
}
inline void reinit() {
PolyBus::begin(_busPtr, _iType, _pins);
}
void cleanup() {
//Serial.println("Digital Cleanup");
PolyBus::cleanup(_busPtr, _iType);
_iType = I_NONE;
_valid = false;
_busPtr = nullptr;
pinManager.deallocatePin(_pins[0]);
pinManager.deallocatePin(_pins[1]);
}
~BusDigital() {
cleanup();
}
private:
uint8_t _colorOrder = COL_ORDER_GRB;
uint8_t _pins[2] = {255, 255};
uint8_t _iType = I_NONE;
uint16_t _len = 0;
uint8_t _skip = 0;
void * _busPtr = nullptr;
};
class BusPwm : public Bus {
public:
BusPwm(BusConfig &bc) : Bus(bc.type, bc.start) {
if (!IS_PWM(bc.type)) return;
uint8_t numPins = NUM_PWM_PINS(bc.type);
#ifdef ESP8266
analogWriteRange(255); //same range as one RGB channel
analogWriteFreq(WLED_PWM_FREQ);
#else
_ledcStart = pinManager.allocateLedc(numPins);
if (_ledcStart == 255) { //no more free LEDC channels
deallocatePins(); return;
}
#endif
for (uint8_t i = 0; i < numPins; i++) {
_pins[i] = bc.pins[i];
if (!pinManager.allocatePin(_pins[i])) {
deallocatePins(); return;
}
#ifdef ESP8266
pinMode(_pins[i], OUTPUT);
#else
ledcSetup(_ledcStart + i, WLED_PWM_FREQ, 8);
ledcAttachPin(_pins[i], _ledcStart + i);
#endif
}
reversed = bc.reversed;
_valid = true;
};
void setPixelColor(uint16_t pix, uint32_t c) {
if (pix != 0 || !_valid) return; //only react to first pixel
uint8_t r = c >> 16;
uint8_t g = c >> 8;
uint8_t b = c ;
uint8_t w = c >> 24;
switch (_type) {
case TYPE_ANALOG_1CH: //one channel (white), use highest RGBW value
_data[0] = max(r, max(g, max(b, w))); break;
case TYPE_ANALOG_2CH: //warm white + cold white, we'll need some nice handling here, for now just R+G channels
case TYPE_ANALOG_3CH: //standard dumb RGB
case TYPE_ANALOG_4CH: //RGBW
case TYPE_ANALOG_5CH: //we'll want the white handling from 2CH here + RGB
_data[0] = r; _data[1] = g; _data[2] = b; _data[3] = w; _data[4] = 0; break;
default: return;
}
}
//does no index check
uint32_t getPixelColor(uint16_t pix) {
return ((_data[3] << 24) | (_data[0] << 16) | (_data[1] << 8) | (_data[2]));
}
void show() {
uint8_t numPins = NUM_PWM_PINS(_type);
for (uint8_t i = 0; i < numPins; i++) {
uint8_t scaled = (_data[i] * _bri) / 255;
if (reversed) scaled = 255 - scaled;
#ifdef ESP8266
analogWrite(_pins[i], scaled);
#else
ledcWrite(_ledcStart + i, scaled);
#endif
}
}
inline void setBrightness(uint8_t b) {
_bri = b;
}
uint8_t getPins(uint8_t* pinArray) {
uint8_t numPins = NUM_PWM_PINS(_type);
for (uint8_t i = 0; i < numPins; i++) pinArray[i] = _pins[i];
return numPins;
}
bool isRgbw() {
return (_type > TYPE_ONOFF && _type <= TYPE_ANALOG_5CH && _type != TYPE_ANALOG_3CH);
}
inline void cleanup() {
deallocatePins();
}
~BusPwm() {
cleanup();
}
private:
uint8_t _pins[5] = {255, 255, 255, 255, 255};
uint8_t _data[5] = {255, 255, 255, 255, 255};
#ifdef ARDUINO_ARCH_ESP32
uint8_t _ledcStart = 255;
#endif
void deallocatePins() {
uint8_t numPins = NUM_PWM_PINS(_type);
for (uint8_t i = 0; i < numPins; i++) {
if (!pinManager.isPinOk(_pins[i])) continue;
#ifdef ESP8266
digitalWrite(_pins[i], LOW); //turn off PWM interrupt
#else
if (_ledcStart < 16) ledcDetachPin(_pins[i]);
#endif
pinManager.deallocatePin(_pins[i]);
}
#ifdef ARDUINO_ARCH_ESP32
pinManager.deallocateLedc(_ledcStart, numPins);
#endif
}
};
class BusManager {
public:
BusManager() {
};
//utility to get the approx. memory usage of a given BusConfig
static uint32_t memUsage(BusConfig &bc) {
uint8_t type = bc.type;
uint16_t len = bc.count;
if (type < 32) {
#ifdef ESP8266
if (bc.pins[0] == 3) { //8266 DMA uses 5x the mem
if (type > 29) return len*20; //RGBW
return len*15;
}
if (type > 29) return len*4; //RGBW
return len*3;
#else //ESP32 RMT uses double buffer?
if (type > 29) return len*8; //RGBW
return len*6;
#endif
}
if (type > 31 && type < 48) return 5;
if (type == 44 || type == 45) return len*4; //RGBW
return len*3;
}
int add(BusConfig &bc) {
if (numBusses >= WLED_MAX_BUSSES) return -1;
if (IS_DIGITAL(bc.type)) {
busses[numBusses] = new BusDigital(bc, numBusses);
} else {
busses[numBusses] = new BusPwm(bc);
}
return numBusses++;
}
//do not call this method from system context (network callback)
void removeAll() {
//Serial.println("Removing all.");
//prevents crashes due to deleting busses while in use.
while (!canAllShow()) yield();
for (uint8_t i = 0; i < numBusses; i++) delete busses[i];
numBusses = 0;
}
void show() {
for (uint8_t i = 0; i < numBusses; i++) {
busses[i]->show();
}
}
void setPixelColor(uint16_t pix, uint32_t c) {
for (uint8_t i = 0; i < numBusses; i++) {
Bus* b = busses[i];
uint16_t bstart = b->getStart();
if (pix < bstart || pix >= bstart + b->getLength()) continue;
busses[i]->setPixelColor(pix - bstart, c);
break;
}
}
void setBrightness(uint8_t b) {
for (uint8_t i = 0; i < numBusses; i++) {
busses[i]->setBrightness(b);
}
}
uint32_t getPixelColor(uint16_t pix) {
for (uint8_t i = 0; i < numBusses; i++) {
Bus* b = busses[i];
uint16_t bstart = b->getStart();
if (pix < bstart || pix >= bstart + b->getLength()) continue;
return b->getPixelColor(pix - bstart);
}
return 0;
}
bool canAllShow() {
for (uint8_t i = 0; i < numBusses; i++) {
if (!busses[i]->canShow()) return false;
}
return true;
}
Bus* getBus(uint8_t busNr) {
if (busNr >= numBusses) return nullptr;
return busses[busNr];
}
inline uint8_t getNumBusses() {
return numBusses;
}
uint16_t getTotalLength() {
uint16_t len = 0;
for (uint8_t i=0; i<numBusses; i++ ) len += busses[i]->getLength();
return len;
}
static inline bool isRgbw(uint8_t type) {
return Bus::isRgbw(type);
}
//Return true if the strip requires a refresh to stay off.
static bool isOffRefreshRequred(uint8_t type) {
return type == TYPE_TM1814;
}
private:
uint8_t numBusses = 0;
Bus* busses[WLED_MAX_BUSSES];
};
#endif
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