/*
 * utility_asyncaurtlogger.hpp
 *
 *  Created on: Mar 20, 2021
 *      Author: erki
 */

#ifndef SKULLC_UTILITY_ASYNCAURTLOGGER_HPP_
#define SKULLC_UTILITY_ASYNCAURTLOGGER_HPP_

#include "utility_ilogger.hpp"
#include "utility_ringbuffer.hpp"

#include "usart.h"

namespace Utility
{

class AsyncUARTLogger : public ILogger
{
public:
  explicit AsyncUARTLogger(UART_HandleTypeDef* huart);
  AsyncUARTLogger() = delete;
  AsyncUARTLogger(const AsyncUARTLogger&) = delete;
  AsyncUARTLogger(AsyncUARTLogger&&) = delete;

  void log(const char* format, ...);

private:
  struct _Data
  {
    std::array<char, 255> buffer;
    std::int32_t length;
  };

  Ringbuffer<_Data, 10> _buffer_queue;
  UART_HandleTypeDef* _huart;
  bool _in_flight = false;

  static AsyncUARTLogger* _this;
  static void _txCompleteCallback(UART_HandleTypeDef* huart);

  void _sendNextLog();
};

}


#endif /* SKULLC_UTILITY_ASYNCAURTLOGGER_HPP_ */