Feature: Add Triac Phase Control Plugin (_P184_Triac.ino)

platformio_esp32_envs.ini

@@ -345,9 +345,6 @@ build_flags               = ${esp32_common_LittleFS_ETH.build_flags}
 extends                   = esp32_IRExt
 board                     = esp32_4M
 build_flags               = ${esp32_IRExt.build_flags}
-
-
-
 
 ; ESP32 MAX builds 16M flash ------------------------------
 

src/_P184_Triac.ino

@@ -0,0 +1,310 @@
+// This plugin detect zerocross and trigger a triac. Used for power electronics.
+// Comon uses are AC light dimming or AC Fan speed control. 
+
+#include "_Plugin_Helper.h"
+
+#ifdef USES_P184
+#define PLUGIN_184
+#define PLUGIN_ID_184     184           // plugin id
+#define PLUGIN_NAME_184   "Output - Triac" // "Plugin Name" is what will be dislpayed in the selection list
+#define PLUGIN_VALUENAME1_184 "Trigger" // variable output of the plugin. The label is in quotation marks
+#define PLUGIN_VALUENAME2_184 "Power" // multiple outputs are supported
+#define P184_OUTPUT_TYPE_INDEX  2
+
+
+#define P184_60HZ_HALF_WAVE_TIME_US_ONE_PERCENT ((uint32_t)83) // 1/60/2*1%
+#define P184_50HZ_HALF_WAVE_TIME_US_ONE_PERCENT ((uint32_t)100) // 1/50/2*1%
+
+#define P184_TRIGGER_CONFIG()      PCONFIG(0)
+#define P184_TRIGGER_EDGE_CONFIG() PCONFIG(1)
+#define P184_DEAD_ZONE_CONFIG()    PCONFIG(2)
+#define P184_FREQ_CONFIG()         PCONFIG(3)
+
+#define P184_ZERO_CROSS_PIN()      PIN(0)
+#define P184_TRIGGER_PIN()         PIN(1)
+
+struct P184_data_struct : public PluginTaskData_base {
+  gpio_num_t   zero_crossing_pin = GPIO_NUM_NC;
+  gpio_num_t   trigger_pin   = GPIO_NUM_NC;
+  uint8_t  trigger_value    = 0;
+  uint8_t  power_value      = 0;
+  uint8_t  dead_zone        = 0;
+  uint32_t freq_timing_val  = P184_60HZ_HALF_WAVE_TIME_US_ONE_PERCENT;
+  hw_timer_t *timer         = NULL;
+
+  // Funções de interrupção como membros estáticos da struct
+  static void IRAM_ATTR zero_crossing_handler(void *arg) {
+    P184_data_struct* p184_data = static_cast<P184_data_struct*>(arg);
+    if (p184_data->trigger_value == 0) {
+      REG_WRITE(GPIO_OUT_W1TS_REG, (1 << p184_data->trigger_pin)); // Fast gpio_set_level(HIGH)
+    } else {
+      REG_WRITE(GPIO_OUT_W1TC_REG, (1 << p184_data->trigger_pin)); // Fast gpio_set_level(LOW)
+      timerRestart(p184_data->timer);
+    }
+  }
+
+  static void IRAM_ATTR timer_handler(void *arg) {
+    P184_data_struct* p184_data = static_cast<P184_data_struct*>(arg);
+    if (p184_data->trigger_value != 100) {
+      REG_WRITE(GPIO_OUT_W1TS_REG, (1 << p184_data->trigger_pin)); // Fast gpio_set_level(HIGH)
+    }
+  }
+};
+
+// Lookup table to map Power % (index) to Trigger % (value)
+// Generated from the formula: power_ratio = 1 - (t/pi) + sin(2t)/(2pi)
+// This avoids floating point math in real-time and allows setting power directly.
+const uint8_t power_to_trigger_lut[101] PROGMEM = {
+  // Power % (index) -> Trigger % (value)
+  100, 87, 82, 78, 75, 73, 71, 69, 67, 66, 64, 63, 61, 60, 59, 58, 57, 56, 55, 54,
+   53, 52, 51, 50, 49, 48, 48, 47, 46, 45, 44, 44, 43, 42, 42, 41, 40, 40, 39, 38,
+   38, 37, 36, 36, 35, 34, 34, 33, 32, 32, 31, 30, 30, 29, 28, 28, 27, 26, 26, 25,
+   24, 24, 23, 22, 22, 21, 20, 20, 19, 18, 18, 17, 16, 16, 15, 14, 13, 13, 12, 11,
+   11, 10,  9,  8,  8,  7,  6,  5,  5,  4,  3,  2,  2,  1,  0,  0,  0,  0,  0,  0,
+   0 // Power 100% -> Trigger 0%
+};
+constexpr uint8_t power_to_trigger_lut_size = NR_ELEMENTS(power_to_trigger_lut);
+
+// A plugin has to implement the following function
+boolean Plugin_184(uint8_t function, struct EventStruct *event, String& string)
+{
+
+  boolean success = false;
+
+  switch (function)
+  {
+    case PLUGIN_DEVICE_ADD:
+    {
+      // This case defines the device characteristics, edit appropriately
+      // Attention: dev Values set to 0 or false should be removed to save a few bytes (unneeded assignments)
+
+      auto& dev = Device[++deviceCount];
+      dev.Number             = PLUGIN_ID_184;                    // Plugin ID number.   (PLUGIN_ID_184)
+      dev.VType              = Sensor_VType::SENSOR_TYPE_DIMMER; // Type of value the plugin will return. e.g. SENSOR_TYPE_STRING
+      dev.ValueCount         = 2;                                // The number of output values of a plugin. The value should match the number of keys PLUGIN_VALUENAME1_184
+      dev.OutputDataType     = Output_Data_type_t::Simple;      // Subset of selectable output data types  (Default = no selection)
+      dev.SendDataOption     = true;                            // Allow to send data to a controller.
+      dev.GlobalSyncOption   = true;                             // No longer used. Was used for ESPeasy values sync between nodes
+      dev.TimerOption        = true;                             // Allow to set the "Interval" timer for the plugin.
+      dev.DecimalsOnly       = true;                             // Allow to set the number of decimals (otherwise treated a 0 decimals)
+      break;
+    }
+
+    case PLUGIN_GET_DEVICENAME:
+    {
+      string = F(PLUGIN_NAME_184);
+      break;
+    }
+
+    case PLUGIN_GET_DEVICEVALUENAMES:
+    {
+      strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[0], PSTR(PLUGIN_VALUENAME1_184));
+      strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[1], PSTR(PLUGIN_VALUENAME2_184));
+      break;
+    }
+
+    case PLUGIN_SET_DEFAULTS:
+    {
+      // Set a default config here, which will be called when a plugin is assigned to a task.
+      P184_TRIGGER_CONFIG() = 0;
+      P184_DEAD_ZONE_CONFIG() = 5;
+      P184_ZERO_CROSS_PIN() = GPIO_NUM_NC;
+      P184_TRIGGER_PIN() = GPIO_NUM_NC;
+      PCONFIG(P184_OUTPUT_TYPE_INDEX) = static_cast<uint8_t>(Sensor_VType::SENSOR_TYPE_DIMMER);
+      success = true;
+      break;
+    }
+
+
+    case PLUGIN_WEBFORM_LOAD:
+    {
+      addRowLabel(F("Trigger Pin"));
+      addPinSelect(PinSelectPurpose::Generic_output, "trigger_pin", P184_TRIGGER_PIN());
+
+      addRowLabel(F("Zero Cross Pin"));
+      addPinSelect(PinSelectPurpose::Generic_input, "zero_crossing_pin", P184_ZERO_CROSS_PIN());
+      {
+        const __FlashStringHelper* optionsEdge[] = { F("RISING"), F("FALLING")};
+        const int optionsValsEdge[] = { RISING, FALLING };
+        constexpr int optionsCountEdge = NR_ELEMENTS(optionsValsEdge);
+        const FormSelectorOptions trigEdgeSelector(optionsCountEdge, optionsEdge, optionsValsEdge);
+        trigEdgeSelector.addFormSelector(F("Interrupt mode"), F("trigger_edge"),  P184_TRIGGER_EDGE_CONFIG());
+      }
+
+      {
+        const __FlashStringHelper* optionsFreq[] = { F("60Hz"), F("50Hz")};
+        const int optionsValsFreq[] = { P184_60HZ_HALF_WAVE_TIME_US_ONE_PERCENT, P184_50HZ_HALF_WAVE_TIME_US_ONE_PERCENT };
+        constexpr int optionsCountFreq = NR_ELEMENTS(optionsValsFreq);
+        const FormSelectorOptions freqSelector(optionsCountFreq, optionsFreq, optionsValsFreq);
+        freqSelector.addFormSelector(F("Grid frequency"), F("freq"),  P184_FREQ_CONFIG());
+      }
+
+
+      addFormNumericBox(F("Trigger"), F("trigger"), P184_TRIGGER_CONFIG(), 0, 100);
+      addUnit(F("%"));
+
+      addFormNumericBox(F("Trigger Deadzone"), F("trigger_deadzone"), P184_DEAD_ZONE_CONFIG(), 0, 20);
+      addUnit(F("%"));
+
+      success = true;
+      break;
+    }
+
+    case PLUGIN_WEBFORM_SAVE:
+    {
+      P184_TRIGGER_CONFIG() = getFormItemInt(F("trigger"));
+      P184_DEAD_ZONE_CONFIG() = getFormItemInt(F("trigger_deadzone"));
+      P184_ZERO_CROSS_PIN() = getFormItemInt(F("zero_crossing_pin"));
+      P184_TRIGGER_PIN() = getFormItemInt(F("trigger_pin"));
+      P184_TRIGGER_EDGE_CONFIG() = getFormItemInt(F("trigger_edge"));
+      P184_FREQ_CONFIG() = getFormItemInt(F("freq"));
+
+      success = true;
+      break;
+    }
+    case PLUGIN_INIT:
+    {
+      P184_data_struct* p184_data = (P184_data_struct*)getPluginTaskData(event->TaskIndex);
+      if (p184_data == nullptr) {
+          // Aloca a memória se ainda não existir
+          p184_data = new P184_data_struct;
+          if (p184_data == nullptr) {
+              // Falha na alocação de memória
+              return false;
+          }
+          initPluginTaskData(event->TaskIndex, p184_data);
+      }
+      // this case defines code to be executed when the plugin is initialised
+      p184_data->trigger_pin       = (gpio_num_t)P184_TRIGGER_PIN();
+      p184_data->trigger_value     = P184_TRIGGER_CONFIG();
+      p184_data->dead_zone         = P184_DEAD_ZONE_CONFIG();
+      p184_data->freq_timing_val   = P184_FREQ_CONFIG();
+      p184_data->zero_crossing_pin = (gpio_num_t)P184_ZERO_CROSS_PIN();
+
+      // Calculate initial power value based on the loaded trigger value
+      for (int i = 0; i <= power_to_trigger_lut_size; ++i) {
+        if (pgm_read_byte(&power_to_trigger_lut[i]) <= p184_data->trigger_value) {
+          p184_data->power_value = i;
+          break; // Found the highest power for this trigger level or lower
+        }
+      }
+
+      if (p184_data->zero_crossing_pin == GPIO_NUM_NC || p184_data->trigger_pin == GPIO_NUM_NC) {
+        detachInterrupt(digitalPinToInterrupt(p184_data->zero_crossing_pin));
+        gpio_set_level(p184_data->trigger_pin, LOW);
+        p184_data->timer = NULL;
+        return false;
+      } 
+      else {
+        pinMode(p184_data->zero_crossing_pin, INPUT_PULLUP);
+        pinMode(p184_data->trigger_pin, OUTPUT);
+        gpio_set_level(p184_data->trigger_pin, LOW); // REG_WRITE(GPIO_OUT_W1TC_REG, (1 << p184_data->trigger_pin)); // Fast gpio_set_level(LOW)
+        attachInterruptArg(digitalPinToInterrupt(p184_data->zero_crossing_pin), &P184_data_struct::zero_crossing_handler, p184_data, P184_TRIGGER_EDGE_CONFIG());
+
+
+        p184_data->timer = timerBegin(1000000); // 1MHz - timer can be set to microseconds
+        uint32_t time_us = ( (p184_data->trigger_value > p184_data->dead_zone ? p184_data->trigger_value : p184_data->dead_zone) ) * p184_data->freq_timing_val;
+        timerAttachInterruptArg(p184_data->timer, &P184_data_struct::timer_handler, p184_data);
+        timerAlarm(p184_data->timer, (uint64_t)time_us, true, 0);
+      }
+
+      success = true;
+      break;
+    }
+
+    case PLUGIN_READ:
+    {
+      P184_data_struct* p184_data = (P184_data_struct*)getPluginTaskData(event->TaskIndex);
+      if (p184_data == nullptr) return false;
+      // code to be executed to read data
+      UserVar.setFloat(event->TaskIndex, 0, p184_data->trigger_value);
+      UserVar.setFloat(event->TaskIndex, 1, p184_data->power_value);
+
+      success = true;
+      break;
+    }
+
+    case PLUGIN_WRITE:
+    {
+      P184_data_struct* p184_data = (P184_data_struct*)getPluginTaskData(event->TaskIndex);
+      if (p184_data == nullptr) return false;
+      // parse string to extract the command
+      String tmpString = parseString(string, 1); // already converted to lowercase
+
+      if (equals(tmpString, F("triac"))) {
+        String subcmd = parseString(string, 2);
+        String valueStr = parseString(string, 3);
+        long value = event->Par2;
+
+        if (value >= 0 && value <= 100) {
+          if (equals(subcmd, F("power"))) {
+            // User wants to set POWER: triac,power,<value>
+            p184_data->power_value = value;
+            // Find the corresponding trigger value from LUT
+            uint8_t new_trigger = pgm_read_byte(&power_to_trigger_lut[p184_data->power_value]);
+            p184_data->trigger_value = new_trigger;
+            success = true;
+          } else if (equals(subcmd, F("trigger"))) {
+            // User wants to set TRIGGER directly: triac,trigger,<value>
+            uint8_t new_trigger = value;
+            p184_data->trigger_value = new_trigger;
+
+            // Let's find the closest power value for the new trigger.
+            // This is a slow lookup, but only happens on command.
+            // The LUT maps power (index) to trigger (value). We need to find the index (power)
+            // for a given trigger value.
+            for (int i = 0; i <= power_to_trigger_lut_size; ++i) {
+              // Find the first power level (i) where the corresponding trigger
+              // is less than or equal to the one we just set.
+              if (pgm_read_byte(&power_to_trigger_lut[i]) <= p184_data->trigger_value) {
+                p184_data->power_value = i;
+                break; // Found the highest power for this trigger level or lower
+              }
+            }
+            success = true;
+          }
+
+          if (success && p184_data->timer != NULL) {
+            P184_TRIGGER_CONFIG() = p184_data->trigger_value; // Save state
+            uint32_t time_us = ( (p184_data->trigger_value > p184_data->dead_zone ? p184_data->trigger_value : p184_data->dead_zone) ) * p184_data->freq_timing_val;
+            timerAlarm(p184_data->timer, (uint64_t)time_us, true, 0);
+            if (loglevelActiveFor(LOG_LEVEL_INFO)) {
+              addLog(LOG_LEVEL_INFO, strformat(F("P184 CMD : Trigger %d%% . Power %d%%"), p184_data->trigger_value, p184_data->power_value));
+            }
+          }
+        }
+      }
+      break;
+    }
+
+    case PLUGIN_EXIT:
+    {
+      P184_data_struct* p184_data = (P184_data_struct*)getPluginTaskData(event->TaskIndex);
+      if (p184_data == nullptr) return true; // Nothing to do
+      // perform cleanup tasks here. For example, free memory, shut down/clear a display
+      if (p184_data->zero_crossing_pin != GPIO_NUM_NC)
+      {
+        detachInterrupt(digitalPinToInterrupt(p184_data->zero_crossing_pin));
+        p184_data->zero_crossing_pin = GPIO_NUM_NC;
+      }
+      if (p184_data->trigger_pin != GPIO_NUM_NC)
+      {
+        gpio_set_level(p184_data->trigger_pin, LOW);
+        if (p184_data->timer != NULL) {
+          timerEnd(p184_data->timer);
+          p184_data->timer = NULL;
+        }
+        p184_data->trigger_pin = GPIO_NUM_NC;
+      }
+
+      clearPluginTaskData(event->TaskIndex);
+
+      success = true;
+      break;
+    }
+  } // switch
+  return success;
+}   // function
+
+
+#endif

src/src/CustomBuild/define_plugin_sets.h

@@ -1641,7 +1641,6 @@ To create/register a plugin, you have to :
     #define USES_C013   // ESPEasy P2P network
 #endif
 
-
 #ifdef NOTIFIER_SET_STABLE
     #define USES_N001   // Email
     #define USES_N002   // Buzzer
@@ -1888,7 +1887,10 @@ To create/register a plugin, you have to :
   #if !defined(USES_P178) && defined(ESP32)
     #define USES_P178   // Extra IO - LU9685 Servo controller
   #endif
-#endif // ifdef PLUGIN_SET_COLLECTION_H
+  #if !defined(USES_P184) && defined(ESP32)
+    #define USES_P184   // Output - Triac
+  #endif
+#endif // ifdef PLUGIN_SET_COLLECTION_G
 
 // Collection of all energy related plugins.
 #ifdef PLUGIN_ENERGY_COLLECTION
@@ -1963,7 +1965,9 @@ To create/register a plugin, you have to :
   #if !defined(USES_P180) && defined(ESP32)
     #define USES_P180   // Generic - I2C Generic
   #endif
-
+  #if !defined(USES_P184) && defined(ESP32)
+    #define USES_P184   // Output - Triac
+  #endif
 #endif // ifdef PLUGIN_ENERGY_COLLECTION
 
 // Collection of display plugins, set A (non-AdaGFX_Helper).
@@ -3008,6 +3012,10 @@ To create/register a plugin, you have to :
     #define USES_P180   // Generic - I2C Generic
   #endif
 
+  #ifndef USES_P184
+    #define USES_P184   // Output - Triac
+  #endif
+
   // Controllers
   #ifndef USES_C015
     #define USES_C015   // Blynk