[esp32_rmt] Set pull-up and open-drain modes based on pin schema (#8178)

Co-authored-by: Keith Burzinski <kbx81x@gmail.com>

esphome/components/remote_receiver/remote_receiver_esp32.cpp

@@ -2,6 +2,7 @@
 #include "esphome/core/log.h"
 
 #ifdef USE_ESP32
+#include <driver/gpio.h>
 
 namespace esphome {
 namespace remote_receiver {
@@ -62,6 +63,11 @@ void RemoteReceiverComponent::setup() {
     this->mark_failed();
     return;
   }
+  if (this->pin_->get_flags() & gpio::FLAG_PULLUP) {
+    gpio_pullup_en(gpio_num_t(this->pin_->get_pin()));
+  } else {
+    gpio_pullup_dis(gpio_num_t(this->pin_->get_pin()));
+  }
   error = rmt_enable(this->channel_);
   if (error != ESP_OK) {
     this->error_code_ = error;

esphome/components/remote_transmitter/__init__.py

@@ -8,6 +8,8 @@ from esphome.const import (
     CONF_CLOCK_RESOLUTION,
     CONF_ID,
     CONF_INVERTED,
+    CONF_MODE,
+    CONF_OPEN_DRAIN,
     CONF_PIN,
     CONF_RMT_CHANNEL,
     CONF_RMT_SYMBOLS,
@@ -20,7 +22,6 @@ AUTO_LOAD = ["remote_base"]
 CONF_EOT_LEVEL = "eot_level"
 CONF_ON_TRANSMIT = "on_transmit"
 CONF_ON_COMPLETE = "on_complete"
-CONF_ONE_WIRE = "one_wire"
 
 remote_transmitter_ns = cg.esphome_ns.namespace("remote_transmitter")
 RemoteTransmitterComponent = remote_transmitter_ns.class_(
@@ -44,7 +45,6 @@ CONFIG_SCHEMA = cv.Schema(
             cv.only_on_esp32, cv.only_with_arduino, cv.int_range(min=1, max=255)
         ),
         cv.Optional(CONF_EOT_LEVEL): cv.All(cv.only_with_esp_idf, cv.boolean),
-        cv.Optional(CONF_ONE_WIRE): cv.All(cv.only_with_esp_idf, cv.boolean),
         cv.Optional(CONF_USE_DMA): cv.All(cv.only_with_esp_idf, cv.boolean),
         cv.SplitDefault(
             CONF_RMT_SYMBOLS,
@@ -74,14 +74,15 @@ async def to_code(config):
                 cg.add(var.set_clock_resolution(config[CONF_CLOCK_RESOLUTION]))
             if CONF_USE_DMA in config:
                 cg.add(var.set_with_dma(config[CONF_USE_DMA]))
-            if CONF_ONE_WIRE in config:
-                cg.add(var.set_one_wire(config[CONF_ONE_WIRE]))
             if CONF_EOT_LEVEL in config:
                 cg.add(var.set_eot_level(config[CONF_EOT_LEVEL]))
-            elif CONF_ONE_WIRE in config and config[CONF_ONE_WIRE]:
+            else:
-                cg.add(var.set_eot_level(True))
+                cg.add(
-            elif CONF_INVERTED in config[CONF_PIN] and config[CONF_PIN][CONF_INVERTED]:
+                    var.set_eot_level(
-                cg.add(var.set_eot_level(True))
+                        config[CONF_PIN][CONF_MODE][CONF_OPEN_DRAIN]
+                        or config[CONF_PIN][CONF_INVERTED]
+                    )
+                )
         else:
             if (rmt_channel := config.get(CONF_RMT_CHANNEL, None)) is not None:
                 var = cg.new_Pvariable(config[CONF_ID], pin, rmt_channel)

esphome/components/remote_transmitter/remote_transmitter.h

@@ -40,7 +40,6 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
 
 #if defined(USE_ESP32) && ESP_IDF_VERSION_MAJOR >= 5
   void set_with_dma(bool with_dma) { this->with_dma_ = with_dma; }
-  void set_one_wire(bool one_wire) { this->one_wire_ = one_wire; }
   void set_eot_level(bool eot_level) { this->eot_level_ = eot_level; }
   void digital_write(bool value);
 #endif
@@ -69,7 +68,6 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
 #if ESP_IDF_VERSION_MAJOR >= 5
   std::vector<rmt_symbol_word_t> rmt_temp_;
   bool with_dma_{false};
-  bool one_wire_{false};
   bool eot_level_{false};
   rmt_channel_handle_t channel_{NULL};
   rmt_encoder_handle_t encoder_{NULL};

esphome/components/remote_transmitter/remote_transmitter_esp32.cpp

@@ -3,6 +3,7 @@
 #include "esphome/core/application.h"
 
 #ifdef USE_ESP32
+#include <driver/gpio.h>
 
 namespace esphome {
 namespace remote_transmitter {
@@ -18,7 +19,6 @@ void RemoteTransmitterComponent::setup() {
 void RemoteTransmitterComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "Remote Transmitter:");
 #if ESP_IDF_VERSION_MAJOR >= 5
-  ESP_LOGCONFIG(TAG, "  One wire: %s", this->one_wire_ ? "true" : "false");
   ESP_LOGCONFIG(TAG, "  Clock resolution: %" PRIu32 " hz", this->clock_resolution_);
   ESP_LOGCONFIG(TAG, "  RMT symbols: %" PRIu32, this->rmt_symbols_);
 #else
@@ -68,6 +68,7 @@ void RemoteTransmitterComponent::configure_rmt_() {
   esp_err_t error;
 
   if (!this->initialized_) {
+    bool open_drain = (this->pin_->get_flags() & gpio::FLAG_OPEN_DRAIN) != 0;
     rmt_tx_channel_config_t channel;
     memset(&channel, 0, sizeof(channel));
     channel.clk_src = RMT_CLK_SRC_DEFAULT;
@@ -75,8 +76,8 @@ void RemoteTransmitterComponent::configure_rmt_() {
     channel.gpio_num = gpio_num_t(this->pin_->get_pin());
     channel.mem_block_symbols = this->rmt_symbols_;
     channel.trans_queue_depth = 1;
-    channel.flags.io_loop_back = this->one_wire_;
+    channel.flags.io_loop_back = open_drain;
-    channel.flags.io_od_mode = this->one_wire_;
+    channel.flags.io_od_mode = open_drain;
     channel.flags.invert_out = 0;
     channel.flags.with_dma = this->with_dma_;
     channel.intr_priority = 0;
@@ -91,6 +92,11 @@ void RemoteTransmitterComponent::configure_rmt_() {
       this->mark_failed();
       return;
     }
+    if (this->pin_->get_flags() & gpio::FLAG_PULLUP) {
+      gpio_pullup_en(gpio_num_t(this->pin_->get_pin()));
+    } else {
+      gpio_pullup_dis(gpio_num_t(this->pin_->get_pin()));
+    }
 
     rmt_copy_encoder_config_t encoder;
     memset(&encoder, 0, sizeof(encoder));
@@ -109,7 +115,7 @@ void RemoteTransmitterComponent::configure_rmt_() {
       this->mark_failed();
       return;
     }
-    this->digital_write(this->one_wire_ || this->inverted_);
+    this->digital_write(open_drain || this->inverted_);
     this->initialized_ = true;
   }
 

tests/components/remote_transmitter/esp32-common-idf.yaml

@@ -3,7 +3,6 @@ remote_transmitter:
     pin: ${pin}
     carrier_duty_percent: 50%
     clock_resolution: ${clock_resolution}
-    one_wire: ${one_wire}
     rmt_symbols: ${rmt_symbols}
     use_dma: ${use_dma}
 

tests/components/remote_transmitter/test.esp32-c3-idf.yaml

@@ -1,7 +1,6 @@
 substitutions:
   pin: GPIO2
   clock_resolution: "2000000"
-  one_wire: "true"
   rmt_symbols: "64"
   use_dma: "true"
 

tests/components/remote_transmitter/test.esp32-idf.yaml

@@ -1,7 +1,6 @@
 substitutions:
   pin: GPIO2
   clock_resolution: "2000000"
-  one_wire: "true"
   rmt_symbols: "64"
   use_dma: "true"
 

tests/components/remote_transmitter/test.esp32-s3-idf.yaml

@@ -1,7 +1,6 @@
 substitutions:
   pin: GPIO38
   clock_resolution: "2000000"
-  one_wire: "true"
   rmt_symbols: "64"
   use_dma: "true"