a8000_subboard_sdk/hal/zuart.hpp

#pragma once
#include <functional>

#include "../chip/iflytop_no_os.h"

namespace iflytop {
using namespace std;
class ZUART {
 public:
  typedef struct {
    const char         *name;
    UART_HandleTypeDef *huart;
    int32_t             rxbuffersize  = 128;
    int32_t             rxovertime_ms = 3;
  } cfg_t;
  typedef function<void(uint8_t *data, size_t len)> callback_t;

 private:
  const char         *m_name;
  UART_HandleTypeDef *m_huart;

  uint8_t         *m_rxBuffer;
  volatile int32_t m_rxBufferPos;
  int32_t          m_rxBufferLen;

  volatile uint32_t m_lastRxTime;

  int32_t m_rxovertime_ms = 3;

  uint8_t onebyte;

  bool          m_isRxing     = false;
  volatile bool m_dataIsReady = false;

  callback_t m_cb;

 public:
  ZUART() {}
  void initialize(cfg_t *cfg, callback_t cb);
  void initialize(cfg_t *cfg);

  void setrxcb(callback_t cb) { m_cb = cb; }

  bool tx(const char *data);
  bool tx(uint8_t *data, size_t len);
  bool startRxIt();
  
  void clearRxData();

 public:
  void HAL_UART_TxCpltCallback();
  void HAL_UART_TxHalfCpltCallback();
  void HAL_UART_RxCpltCallback();
  void HAL_UART_RxHalfCpltCallback();
  void HAL_UART_ErrorCallback();
  void HAL_UART_AbortCpltCallback();
  void HAL_UART_AbortTransmitCpltCallback();
  void HAL_UART_AbortReceiveCpltCallback();

  UART_HandleTypeDef *getHuart() { return m_huart; }

 private:
  IRQn_Type getUartIRQType();
  bool      dataIsReady();
  void      periodicJob();
};

}  // namespace iflytop