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Tasmota/tasmota/tasmota_xdrv_driver/xdrv_04_light_artnet.ino

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/*
xdrv_04_light_artnet.ino - Converter functions for lights
Copyright (C) 2020 Stephan Hadinger & Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_LIGHT
#ifdef USE_LIGHT_ARTNET
#ifndef USE_WS2812
#define USE_WS2812 // needed since USE_LIGHT_ARTNET is enabled for ESP32 by default
#endif
#ifndef WS2812_ARTNET_UDP_BUFFER_SIZE
#define WS2812_ARTNET_UDP_BUFFER_SIZE 140 // Max 30 columns with 4 bytes per pixel
#endif
#ifndef WS2812_ARTNET_UDP_MAX_PACKETS
#define WS2812_ARTNET_UDP_MAX_PACKETS 30 // Max 30 rows (packets consecutive)
#endif
#ifndef WS2812_ARTNET_MAX_SLEEP
#define WS2812_ARTNET_MAX_SLEEP 5 // sleep at most 5ms
#endif
typedef struct {
uint8_t rows = 1; // number of rows (min:1)
uint8_t cols = 0; // number of columns (if cols == 0 then apply to the entire light)
uint8_t offs = 0; // offset in the led strip where the matrix starts (min: 0)
bool alt = false; // are the rows in alternate directions
uint16_t univ = 0; // start at universe number (+1)
uint16_t port = 6454; // UDP port number
uint8_t dimm = 100; // Dimmer 0..100
bool on = true;
bool matrix = true; // true if light is a WS2812 matrix, false if single light
// metrics
uint32_t packet_received = 0;
uint32_t packet_accepted = 0;
uint32_t strip_refresh = 0;
} ArtNetConfig;
uint32_t * packets_per_row = nullptr;
ArtNetConfig artnet_conf;
#ifdef ESP8266
#include "UdpListener.h"
UdpListener<WS2812_ARTNET_UDP_BUFFER_SIZE> * ArtNetUdp = nullptr;
#else
WiFiUDP * ArtNetUdp;
#endif
bool artnet_udp_connected = false;
// IPAddress artnet_udp_remote_ip; // remote IP address
// uint16_t artnet_udp_remote_port; // remote port
/*********************************************************************************************\
* ArtNet support
\*********************************************************************************************/
void ArtNetLoadSettings(void) {
// read settings and copy locally
artnet_conf.dimm = Settings->light_dimmer;
artnet_conf.cols = Settings->light_step_pixels;
artnet_conf.rows = (artnet_conf.cols != 0) ? Settings->light_pixels / artnet_conf.cols : 0;
artnet_conf.offs = Settings->light_rotation;
artnet_conf.alt = Settings->flag.ws_clock_reverse; // SetOption16
artnet_conf.univ = Settings->artnet_universe;
artnet_conf.on = (Light.power & 1);
ArtNetValidate();
}
// validate that parameters in artnet_conf are in valid ranges
void ArtNetValidate(void) {
if (artnet_conf.dimm > 100) { artnet_conf.dimm = 100; }
if (artnet_conf.cols == 0 || artnet_conf.rows == 0) { artnet_conf.rows = 1; } // if single light, both are supposed to be 0
artnet_conf.matrix = (artnet_conf.cols > 0) && Ws2812StripConfigured();
if (artnet_conf.univ > 32767) { artnet_conf.univ = 0; }
if (artnet_conf.port == 0) { artnet_conf.port = 6454; }
}
void ArtNetSaveSettings(void) {
ArtNetValidate();
// write to settings
Settings->light_dimmer = artnet_conf.dimm;
Settings->light_step_pixels = artnet_conf.cols;
if (artnet_conf.cols > 0) { Settings->light_pixels = artnet_conf.rows * artnet_conf.cols; }
Settings->light_rotation = artnet_conf.offs;
Settings->artnet_universe = artnet_conf.univ;
Settings->flag.ws_clock_reverse = artnet_conf.alt; // SetOption16
}
bool ArtNetSetChannels(void)
{
if (artnet_udp_connected && ArtNetUdp != nullptr) {
// ArtNet is running
if (artnet_conf.matrix) {
if (Light.power & 1) { return true; } // serviced, don't cascade to WS2812
} else {
return false; // if regular bulb, cascade change
}
} else if (Settings->flag6.artnet_autorun) {
// ArtNet is not running but is planned to get running
return true; // if ArtNet autorun is own but has not started yet, block update to lights
}
return false;
}
// process ArtNet packet
// returns `true` if strip is dirty, i.e. we changed the value of some leds
void ArtNetProcessPacket(uint8_t * buf, size_t len) {
artnet_conf.packet_received++;
if (buf == nullptr || len <= 18) { return; }
// is the signature correct?
// 4172742D4E657400
static const char ARTNET_SIG[] = "Art-Net";
if (memcmp(buf, ARTNET_SIG, sizeof(ARTNET_SIG))) { return; }
uint16_t opcode = buf[8] | (buf[9] << 8);
uint16_t protocol = (buf[10] << 8) | buf[11]; // Big Endian
uint16_t universe = buf[14] | (buf[15] << 8);
uint16_t datalen = (buf[16] << 8) | buf[17];
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("DMX: opcode=0x%04X procotol=%i universe=%i datalen=%i univ_start=%i univ_end=%i"), opcode, protocol, universe, datalen, artnet_conf.univ, artnet_conf.univ + artnet_conf.rows);
if (opcode != 0x5000 || protocol != 14) { return; }
// if (len + 18 < datalen) {
// AddLog(LOG_LEVEL_DEBUG, PSTR("DMX: packet is truncated. Expected: %u Bytes, Received: %u Bytes."), datalen, len + 18);
// }
if (universe < artnet_conf.univ || universe >= artnet_conf.univ + artnet_conf.rows) { return; } // universe is not ours, ignore
size_t idx = 18; // start of payload data in the UDP frame
uint16_t row = universe - artnet_conf.univ;
if (artnet_conf.matrix) {
// Ws2812 led strip
size_t pix_size = Ws2812StripGetPixelSize();
// check that datalen does not exceed the number of columns
if (datalen > artnet_conf.cols * pix_size) { datalen = artnet_conf.cols * pix_size; }
// round to exact number of pixels
datalen = datalen - (datalen % pix_size);
size_t offset_in_matrix = 0;
if (artnet_conf.alt && (row % 2)) {
for (int32_t i = idx, j = idx + datalen - pix_size; i < j; i += pix_size, j -= pix_size) {
for (int32_t k = 0; k < pix_size; k++) {
uint8_t temp = buf[i+k];
buf[i+k] = buf[j+k];
buf[j+k] = temp;
}
}
offset_in_matrix = artnet_conf.cols * pix_size - datalen; // add a potential offset if the frame is smaller than the columns
}
// process dimmer
if (artnet_conf.dimm != 100) {
// No Gamma for now
if (pix_size == 3) {
for (int32_t i = idx; i < idx+datalen; i += pix_size) {
buf[i] = changeUIntScale(buf[i], 0, 100, 0, artnet_conf.dimm);
buf[i+1] = changeUIntScale(buf[i+1], 0, 100, 0, artnet_conf.dimm);
buf[i+2] = changeUIntScale(buf[i+2], 0, 100, 0, artnet_conf.dimm);
}
} else if (pix_size == 4) {
for (int32_t i = idx; i < idx+datalen; i += pix_size) {
buf[i] = changeUIntScale(buf[i], 0, 100, 0, artnet_conf.dimm);
buf[i+1] = changeUIntScale(buf[i+1], 0, 100, 0, artnet_conf.dimm);
buf[i+2] = changeUIntScale(buf[i+2], 0, 100, 0, artnet_conf.dimm);
buf[i+3] = changeUIntScale(buf[i+2], 0, 100, 0, artnet_conf.dimm);
}
}
}
// process pixels
size_t h_bytes = artnet_conf.cols * pix_size; // size in bytes of a single row
offset_in_matrix += artnet_conf.offs * pix_size + row * h_bytes;
if (datalen > h_bytes) { datalen = h_bytes; } // copy at most one line
Ws2812CopyPixels(&buf[idx], datalen, offset_in_matrix);
} else {
// single light
size_t offsidx = artnet_conf.offs + idx;
uint8_t r8 = buf[offsidx+1];
uint8_t g8 = buf[offsidx];
uint8_t b8 = buf[offsidx+2];
uint8_t w8 = buf[offsidx+3];
uint8_t ww8 = buf[offsidx+4];
// scale dimmer values to RGBWWTable calibration
uint16_t r_dimmer = changeUIntScale(artnet_conf.dimm, 0, 100, 0, Settings->rgbwwTable[0]) * 4;
uint16_t g_dimmer = changeUIntScale(artnet_conf.dimm, 0, 100, 0, Settings->rgbwwTable[1]) * 4;
uint16_t b_dimmer = changeUIntScale(artnet_conf.dimm, 0, 100, 0, Settings->rgbwwTable[2]) * 4;
uint16_t w_dimmer = changeUIntScale(artnet_conf.dimm, 0, 100, 0, Settings->rgbwwTable[3]) * 4;
uint16_t ww_dimmer = changeUIntScale(artnet_conf.dimm, 0, 100, 0, Settings->rgbwwTable[4]) * 4;
uint16_t color[LST_MAX] = {0};
color[0] = changeUIntScale(r8, 0, 255, 0, r_dimmer);
color[1] = changeUIntScale(g8, 0, 255, 0, g_dimmer);
color[2] = changeUIntScale(b8, 0, 255, 0, b_dimmer);
color[3] = changeUIntScale(w8, 0, 255, 0, w_dimmer);
color[4] = changeUIntScale(ww8, 0, 255, 0, ww_dimmer);
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("DMX: %02X-%02X-%02X univ=%i rows=%i max_univ=%i"), buf[idx+1], buf[idx], buf[idx+2], universe, row, artnet_conf.univ + artnet_conf.rows);
LightSetOutputs(color);
}
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("DMX: ok universe=%i datalen=%i"), universe, datalen);
artnet_conf.packet_accepted++;
if (packets_per_row) {
packets_per_row[row]++;
}
}
//
// Called at event loop, checks for incoming data from the CC2530
//
void ArtNetLoop(void)
{
if (artnet_udp_connected && ArtNetUdp != nullptr) {
ArtNetLoadSettings();
bool packet_ready = false;
int32_t packet_len = 0;
#ifdef ESP8266
packet_ready = ArtNetUdp->next();
while (packet_ready) {
UdpPacket<WS2812_ARTNET_UDP_BUFFER_SIZE> *packet;
packet = ArtNetUdp->read();
uint8_t * packet_buffer = (uint8_t*) &packet->buf;
packet_len = packet->len;
#else
packet_len = ArtNetUdp->parsePacket();
packet_ready = (packet_len > 0);
while (packet_ready) {
uint8_t packet_buffer[WS2812_ARTNET_UDP_BUFFER_SIZE]; // buffer to hold incoming UDP/SSDP packet
packet_len = ArtNetUdp->read(packet_buffer, WS2812_ARTNET_UDP_BUFFER_SIZE);
ArtNetUdp->flush(); // Finish reading the current packet
#endif
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("UDP: Packet %*_H (%d)"), 32, packet_buffer, packet_len);
if (artnet_conf.on) {
ArtNetProcessPacket(packet_buffer, packet_len);
}
#ifdef ESP8266
packet_ready = ArtNetUdp->next();
if (!packet_ready) {
// if no more incoming packet, still wait for 20 microseconds
delay(1); // delayMicroseconds seems broken, need to
packet_ready = ArtNetUdp->next();
}
#else
packet_len = ArtNetUdp->parsePacket();
packet_ready = (packet_len > 0);
if (!packet_ready) {
// if no more incoming packet, still wait for 20 microseconds
delayMicroseconds(20);
packet_len = ArtNetUdp->parsePacket();
packet_ready = (packet_len > 0);
}
#endif
}
if (artnet_conf.on) { // ignore action if not on
if (artnet_conf.matrix) {
if (Ws2812StripRefresh()) {
artnet_conf.strip_refresh++; // record metric
}
}
}
}
}
//
// Published state
//
void ArtNetJSONAppend(void) {
if (artnet_udp_connected) {
ResponseAppend_P(PSTR(",\"ArtNet\":{\"PacketsReceived\":%u,\"PacketsAccepted\":%u,\"Frames\":%u"),
artnet_conf.packet_received, artnet_conf.packet_accepted, artnet_conf.strip_refresh);
if (packets_per_row) {
ResponseAppend_P(PSTR(",\"PacketsPerRow\":["));
for (int32_t i = 0; i < artnet_conf.rows; i++) {
ResponseAppend_P(PSTR("%s%i"), i ? "," : "", packets_per_row[i]);
}
ResponseAppend_P(PSTR("]"));
}
ResponseAppend_P(PSTR("}"));
}
}
//
// Command `ArtNetConfig`
// Params: JSON
// {"Rows":5, "Cols":5, "Offset":0, "Alternate":false, "Universe":0, "Port":6454}
//
void CmndArtNetConfig() {
bool was_running = artnet_udp_connected;
if (was_running) {
ArtNetStop();
}
ArtNetLoadSettings();
TrimSpace(XdrvMailbox.data);
if (strlen(XdrvMailbox.data) > 0) {
JsonParser parser(XdrvMailbox.data);
JsonParserObject root = parser.getRootObject();
if (!root) { ResponseCmndChar_P(PSTR(D_JSON_INVALID_JSON)); return; }
artnet_conf.rows = root.getUInt(PSTR("Rows"), artnet_conf.rows);
artnet_conf.cols = root.getUInt(PSTR("Cols"), artnet_conf.cols);
artnet_conf.offs = root.getUInt(PSTR("Offset"), artnet_conf.offs);
artnet_conf.alt = root.getBool(PSTR("Alternate"), artnet_conf.alt);
artnet_conf.univ = root.getUInt(PSTR("Universe"), artnet_conf.univ);
artnet_conf.port = root.getUInt(PSTR("Port"), artnet_conf.port);
artnet_conf.dimm = root.getUInt(PSTR("Dimmer"), artnet_conf.dimm);
ArtNetSaveSettings();
}
if (was_running) {
ArtNetStart();
}
// display the current or new configuration
// {"Rows":5, "Cols":5, "Offset":0, "Alternate":false, "Universe":0, "Port":6454}
Response_P(PSTR("{\"Rows\":%u,\"Cols\":%u,\"Dimmer\":%u,\"Offset\":%u"
",\"Alternate\":%s,\"Universe\":%u,\"Port\":%u}"),
artnet_conf.rows, artnet_conf.cols, artnet_conf.dimm, artnet_conf.offs,
artnet_conf.alt ? "true":"false", artnet_conf.univ, artnet_conf.port);
}
// ArtNetStart
// Returns true if ok
bool ArtNetStart(void) {
ArtNetLoadSettings();
if (!artnet_udp_connected && !TasmotaGlobal.restart_flag) {
if (ArtNetUdp == nullptr) {
#ifdef ESP8266
ArtNetUdp = new UdpListener<WS2812_ARTNET_UDP_BUFFER_SIZE>(WS2812_ARTNET_UDP_MAX_PACKETS);
#else
ArtNetUdp = new WiFiUDP();
#endif
if (ArtNetUdp == nullptr) {
AddLog(LOG_LEVEL_INFO, PSTR("DMX: cannot allocate memory"));
return false;
}
}
#ifdef ESP8266
ArtNetUdp->reset();
ip_addr_t addr = IPADDR4_INIT(INADDR_ANY);
if ((igmp_joingroup(WiFi.localIP(), IPAddress(USE_LIGHT_ARTNET_MCAST)) == ERR_OK) &&
(ArtNetUdp->listen(&addr, artnet_conf.port))) {
// if (ArtNetUdp->listen(&addr, artnet_conf.port)) {
#else
if (ArtNetUdp->beginMulticast(IPAddress(USE_LIGHT_ARTNET_MCAST), artnet_conf.port)) {
#endif
// OK
AddLog(LOG_LEVEL_INFO, PSTR("DMX: listening to port %i"), artnet_conf.port);
artnet_udp_connected = true;
packets_per_row = (uint32_t*) malloc(artnet_conf.rows * sizeof(uint32_t*));
if (packets_per_row) { memset((void*)packets_per_row, 0, artnet_conf.rows * sizeof(uint32_t*)); }
// set sleep to at most 5
if (TasmotaGlobal.sleep > WS2812_ARTNET_MAX_SLEEP) {
TasmotaGlobal.sleep = WS2812_ARTNET_MAX_SLEEP;
}
// change settings to ArtNet specific scheme
Settings->flag6.artnet_autorun = true;
// change strip configuration
if (artnet_conf.matrix) {
if ((Settings->light_pixels != artnet_conf.rows * artnet_conf.cols + artnet_conf.offs) || (Settings->light_rotation != 0)) {
Settings->light_pixels = artnet_conf.rows * artnet_conf.cols + artnet_conf.offs;
Settings->light_rotation = 0;
Ws2812InitStrip();
} else {
Ws2812Clear(true);
}
}
// turn power on if it's not
if (!(Light.power & 1)) {
LightPowerOn();
}
} else {
AddLog(LOG_LEVEL_INFO, PSTR("DMX: error opening port %i"), artnet_conf.port);
return false;
}
}
return true;
}
// Stop the ArtNet UDP flow and disconnect server
void ArtNetStop(void) {
artnet_udp_connected = false;
if (ArtNetUdp != nullptr) {
#ifdef ESP8266
ArtNetUdp->disconnect();
#else
ArtNetUdp->stop();
#endif
delete ArtNetUdp;
ArtNetUdp = nullptr;
}
if (packets_per_row) {
free((void*)packets_per_row);
packets_per_row = nullptr;
}
}
void CmndArtNet(void) {
if (0 == XdrvMailbox.payload) {
ArtNetStop();
Settings->flag6.artnet_autorun = false; // SetOption148 - (Light) start DMX ArtNet at boot, listen to UDP port as soon as network is up
// Settings->light_scheme = LS_POWER; // restore default scheme
TasmotaGlobal.sleep = Settings->sleep; // Restore sleep value
Light.update = true; // Restore old color
}
if (1 == XdrvMailbox.payload) {
if (!ArtNetStart()) {
Settings->flag6.artnet_autorun = false; // SetOption148 - (Light) start DMX ArtNet at boot, listen to UDP port as soon as network is up
}
}
ResponseCmndStateText(artnet_udp_connected & Settings->flag6.artnet_autorun);
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool artnet_network_up = false;
void ArtNetFuncNetworkUp(void) {
if (!artnet_network_up) {
artnet_network_up = true;
if (Settings->flag6.artnet_autorun) {
if (!ArtNetStart()) {
Settings->flag6.artnet_autorun = false; // disable autorun if it failed, avoid nasty loop errors
}
}
}
}
void ArtNetFuncNetworkDown(void) {
if (artnet_network_up) {
artnet_network_up = false;
ArtNetStop();
}
}
#endif // USE_LIGHT_ARTNET
#endif // USE_LIGHT
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