dn_com.h

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#ifndef DN_COM_H_
#define DN_COM_H_

#ifndef _DN_EXP_COM
#define _DN_EXP_COM
#endif /* _DN_EXP_COM */

#if defined(_USE_WIN_API)
#define COM_BITS_CTS MS_CTS_ON
typedef DCB COM_STATE;
#elif defined(_USE_LINUX_API)
#define COM_BITS_CTS TIOCM_CTS
typedef struct termios COM_STATE;
#endif

#ifdef __cplusplus
extern "C"
{
#endif

  _DN_EXP_COM HRESULT
  com_open(void *param, int *sock);

  _DN_EXP_COM HRESULT
  com_close(int *sock);

  _DN_EXP_COM HRESULT
  com_send(int sock, const char *buf, uint32_t len_buf, void *arg);

  _DN_EXP_COM HRESULT
  com_recv(int sock, char *buf, uint32_t len_buf, uint32_t *len_recved,
      uint32_t timeout, void *arg);

  _DN_EXP_COM HRESULT
  com_set_timeout(int sock, uint32_t timeout);

  _DN_EXP_COM HRESULT
  com_clear(int sock, uint32_t timeout);

  _DN_EXP_COM HRESULT
  com_get_state(int sock, COM_STATE *state);

  _DN_EXP_COM HRESULT
  com_set_state(int sock, COM_STATE *state);

  _DN_EXP_COM HRESULT
  com_get_modem_state(int sock, uint32_t *state);

#ifdef __cplusplus
}
#endif

#endif /* DN_COM_H_ */