tlc5971.h

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#pragma once
// TLC5971 12-Channel, 16-Bit PWM LED Driver
// https://www.ti.com/lit/ds/symlink/tlc5971.pdf
 
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/components/output/float_output.h"
#include <vector>
 
namespace esphome::tlc5971 {
 
class TLC5971 : public Component {
 public:
  const uint8_t N_CHANNELS_PER_CHIP = 12;
 
  void set_data_pin(GPIOPin *data_pin) { data_pin_ = data_pin; }
  void set_clock_pin(GPIOPin *clock_pin) { clock_pin_ = clock_pin; }
  void set_num_chips(uint8_t num_chips) { num_chips_ = num_chips; }
 
  void setup() override;
 
  void dump_config() override;
 
  float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
  void loop() override;
 
  void set_channel_value(uint16_t channel, uint16_t value);
 
 protected:
  void transfer_(uint8_t send);
 
  GPIOPin *data_pin_;
  GPIOPin *clock_pin_;
  uint8_t num_chips_;
 
  std::vector<uint16_t> pwm_amounts_;
  bool update_{true};
};
}  // namespace esphome::tlc5971