Temp upload of i2cdimmer for esphome on linkind

i2cdimmer.h

#include "esphome.h"

using namespace esphome;

class I2CDimmerOutput : public Component, public FloatOutput {
 public:
   
  I2CDimmerOutput( IDFI2CBus* i2cbus) : i2cbus(i2cbus) {
  };
  
  void setup() override {
    // This will be called by App.setup()
    if (i2cbus == NULL)
    {
      ESP_LOGE("I2CDimmer", "i2cbus is null");
    }
    else
    {
      ESP_LOGI("I2CDimmer", "send dimmer init" );
      const uint8_t tosend [] = {0x2A, 0x07, 0x56, 0x01, 0x11, 0xFF, 0x66};
      ErrorCode ret = i2cbus->write(0x50, tosend, 7);
      ESP_LOGI("I2CDimmer", "result: %d", (int)ret );

    }
  }

  void write_state(float state) override {
    // state is the amount this output should be on, from 0.0 to 1.0
    // we need to convert it to an integer first
    //int value = state * 1024;
    //analogWrite(5, value);
     ESP_LOGD("I2CDimmer", "new state %f!", state);
     if (i2cbus == NULL)
     {
       ESP_LOGD("I2CDimmer", "i2cbus is null");
     }
     else
     {
      
        uint8_t dim_val = 255 * state;
        uint16_t chk = 65403-dim_val;
        //uint8_t tosend [] = {0x09, 0x50, 0x01, dim_val, 0x00, 0x00, chk>>8, chk};
        const uint8_t tosend [] = {0x2A, 0x09, 0x50 ,0x01, dim_val, 0x00, 0x00, (uint8_t)(chk>>8), (uint8_t)(chk)};
        //for (int i=0; i< 9; i++)
        //{
        //  ESP_LOGD("custom", "byte %d : %02x", i, tosend[i]);
        //}
  
        ErrorCode ret = i2cbus->write(0x50, tosend, 9);
        ESP_LOGI("I2CDimmer", "result: %d", (int)ret );
      
     }
     //IDFI2CBus->dump_config();
  }
  
  private:
    IDFI2CBus* i2cbus;
};