Add support for SM2235 and SM2335 LED drivers (#3924)

esphome/components/sm10bit_base/sm10bit_base.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/output/float_output.h"
+#include <vector>
+
+namespace esphome {
+namespace sm10bit_base {
+
+class Sm10BitBase : public Component {
+ public:
+  class Channel;
+
+  void set_model(uint8_t model_id) { model_id_ = model_id; }
+  void set_data_pin(GPIOPin *data_pin) { data_pin_ = data_pin; }
+  void set_clock_pin(GPIOPin *clock_pin) { clock_pin_ = clock_pin; }
+  void set_max_power_color_channels(uint8_t max_power_color_channels) {
+    max_power_color_channels_ = max_power_color_channels;
+  }
+  void set_max_power_white_channels(uint8_t max_power_white_channels) {
+    max_power_white_channels_ = max_power_white_channels;
+  }
+
+  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+
+  void setup() override;
+  void dump_config() override;
+  void loop() override;
+
+  class Channel : public output::FloatOutput {
+   public:
+    void set_parent(Sm10BitBase *parent) { parent_ = parent; }
+    void set_channel(uint8_t channel) { channel_ = channel; }
+
+   protected:
+    void write_state(float state) override {
+      auto amount = static_cast<uint16_t>(state * 0x3FF);
+      this->parent_->set_channel_value_(this->channel_, amount);
+    }
+
+    Sm10BitBase *parent_;
+    uint8_t channel_;
+  };
+
+ protected:
+  void set_channel_value_(uint8_t channel, uint16_t value);
+  void write_bit_(bool value);
+  void write_byte_(uint8_t data);
+  void write_buffer_(uint8_t *buffer, uint8_t size);
+
+  GPIOPin *data_pin_;
+  GPIOPin *clock_pin_;
+  uint8_t model_id_;
+  uint8_t max_power_color_channels_{2};
+  uint8_t max_power_white_channels_{4};
+  uint8_t update_channel_;
+  std::vector<uint16_t> pwm_amounts_;
+  bool update_{true};
+};
+
+}  // namespace sm10bit_base
+}  // namespace esphome