Add a way to enable dma support

esphome/components/remote_receiver/__init__.py

@@ -18,6 +18,7 @@ from esphome.const import (
 from esphome.core import CORE, TimePeriod
 
 CONF_CLOCK_DIVIDER = "clock_divider"
+CONF_WITH_DMA = "with_dma"
 
 AUTO_LOAD = ["remote_base"]
 remote_receiver_ns = cg.esphome_ns.namespace("remote_receiver")
@@ -105,6 +106,7 @@ CONFIG_SCHEMA = remote_base.validate_triggers(
                 cv.positive_time_period_microseconds,
                 cv.Range(max=TimePeriod(microseconds=4294967295)),
             ),
+            cv.Optional(CONF_WITH_DMA, default=False): cv.boolean,
             cv.Optional(CONF_MEMORY_BLOCKS, default=3): cv.Range(min=1, max=8),
             cv.Optional(CONF_RMT_CHANNEL): esp32_rmt.validate_rmt_channel(tx=False),
         }
@@ -116,6 +118,7 @@ async def to_code(config):
     pin = await cg.gpio_pin_expression(config[CONF_PIN])
     if CORE.is_esp32:
         var = cg.new_Pvariable(config[CONF_ID], pin, config[CONF_MEMORY_BLOCKS])
+        cg.add(var.set_with_dma(config[CONF_WITH_DMA]))
         cg.add(var.set_clock_divider(config[CONF_CLOCK_DIVIDER]))
     else:
         var = cg.new_Pvariable(config[CONF_ID], pin)

esphome/components/remote_receiver/remote_receiver.h

@@ -63,6 +63,9 @@ class RemoteReceiverComponent : public remote_base::RemoteReceiverBase,
   void loop() override;
   float get_setup_priority() const override { return setup_priority::DATA; }
 
+#ifdef USE_ESP32
+  void set_with_dma(bool with_dma) { this->with_dma_ = with_dma; }
+#endif
   void set_buffer_size(uint32_t buffer_size) { this->buffer_size_ = buffer_size; }
   void set_filter_us(uint32_t filter_us) { this->filter_us_ = filter_us; }
   void set_idle_us(uint32_t idle_us) { this->idle_us_ = idle_us; }
@@ -73,6 +76,7 @@ class RemoteReceiverComponent : public remote_base::RemoteReceiverBase,
   rmt_channel_handle_t channel_{NULL};
   esp_err_t error_code_{ESP_OK};
   std::string error_string_{""};
+  bool with_dma_{false};
 #endif
 
   RemoteReceiverComponentStore store_;

esphome/components/remote_receiver/remote_receiver_esp32.cpp

@@ -39,7 +39,7 @@ void RemoteReceiverComponent::setup() {
   channel.gpio_num = gpio_num_t(this->pin_->get_pin());
   channel.intr_priority = 0;
   channel.flags.invert_in = 0;
-  channel.flags.with_dma = 0;
+  channel.flags.with_dma = this->with_dma_;
   channel.flags.io_loop_back = 0;
   esp_err_t error = rmt_new_rx_channel(&channel, &this->channel_);
   if (error != ESP_OK) {

esphome/components/remote_transmitter/__init__.py

@@ -3,11 +3,13 @@ import esphome.codegen as cg
 from esphome.components import esp32_rmt, remote_base
 import esphome.config_validation as cv
 from esphome.const import CONF_CARRIER_DUTY_PERCENT, CONF_ID, CONF_PIN, CONF_RMT_CHANNEL
+from esphome.core import CORE
 
 AUTO_LOAD = ["remote_base"]
 
 CONF_ON_TRANSMIT = "on_transmit"
 CONF_ON_COMPLETE = "on_complete"
+CONF_WITH_DMA = "with_dma"
 CONF_ONE_WIRE = "one_wire"
 
 remote_transmitter_ns = cg.esphome_ns.namespace("remote_transmitter")
@@ -24,6 +26,7 @@ CONFIG_SCHEMA = cv.Schema(
             cv.percentage_int, cv.Range(min=1, max=100)
         ),
         cv.Optional(CONF_ONE_WIRE): cv.boolean,
+        cv.Optional(CONF_WITH_DMA, default=False): cv.boolean,
         cv.Optional(CONF_RMT_CHANNEL): esp32_rmt.validate_rmt_channel(tx=True),
         cv.Optional(CONF_ON_TRANSMIT): automation.validate_automation(single=True),
         cv.Optional(CONF_ON_COMPLETE): automation.validate_automation(single=True),
@@ -36,6 +39,8 @@ async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID], pin)
     await cg.register_component(var, config)
 
+    if CORE.is_esp32:
+        cg.add(var.set_with_dma(config[CONF_WITH_DMA]))
     cg.add(var.set_carrier_duty_percent(config[CONF_CARRIER_DUTY_PERCENT]))
 
     if one_wire_config := config.get(CONF_ONE_WIRE):

esphome/components/remote_transmitter/remote_transmitter.h

@@ -34,7 +34,10 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
 
   void set_carrier_duty_percent(uint8_t carrier_duty_percent) { this->carrier_duty_percent_ = carrier_duty_percent; }
 
+#ifdef USE_ESP32
+  void set_with_dma(bool with_dma) { this->with_dma_ = with_dma; }
   void set_one_wire(bool one_wire) { this->one_wire_ = one_wire; }
+#endif
 
   Trigger<> *get_transmit_trigger() const { return this->transmit_trigger_; };
   Trigger<> *get_complete_trigger() const { return this->complete_trigger_; };
@@ -64,6 +67,7 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
   esp_err_t error_code_{ESP_OK};
   std::string error_string_{""};
   bool inverted_{false};
+  bool with_dma_{false};
 #endif
   uint8_t carrier_duty_percent_;
 

esphome/components/remote_transmitter/remote_transmitter_esp32.cpp

@@ -47,7 +47,7 @@ void RemoteTransmitterComponent::configure_rmt_() {
     channel.flags.io_od_mode = 0;
   }
   channel.flags.invert_out = 0;
-  channel.flags.with_dma = 0;
+  channel.flags.with_dma = this->with_dma_;
   channel.intr_priority = 0;
   esp_err_t error = rmt_new_tx_channel(&channel, &this->channel_);
   if (error != ESP_OK) {