/*------------------------------------------------------------------------------
--  This file is a part of the libuc, microcontroler library
--  Copyright (C) 2012, Alexis Jeandet
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program; if not, write to the Free Software
--  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
-------------------------------------------------------------------------------
--                 Author : Alexis Jeandet
--                   Mail : alexis.jeandet@gmail.com
-------------------------------------------------------------------------------*/
#ifndef UART_H
#define UART_H
#include <stdint.h>
#include <uhandle.h>

#ifdef __cplusplus
 extern "C" {
#endif


typedef struct uart_str uart_t;

struct uart_str{
	void* _dev;
	int   cfg;
	int   speed;
};

typedef enum
{ 
  uartparitynone = 0x1,
  uartparityeven = 0x2,
  uartparityodd  = 0x3
}uartparity_t;

#define UARTPARITYMASK  0x3

typedef enum
{ 
  uart7bits    = 0x4,
  uart8bits    = 0x8,
  uart9bits    = 0xC
}uartbits_t;

#define UARTBITSMASK  0xC


typedef enum
{ 
  uarthalfstop    = 0x10,
  uartonestop     = 0x20,
  uartonehalfstop = 0x30,
  uarttwostop     = 0x40
}uartstopbits_t;

#define UARTSTOPBITSMASK 0x70

extern int uartopen(int,uart_t*);
extern int uartclose(uart_t*);
extern int uartenable(uart_t*);
extern int uartdisable(uart_t*);
extern int uartsetconfig(uart_t*);
extern int uartsetspeed(uart_t*,int);
extern int uartsetparity(uart_t*,uartparity_t);
extern int uartsetdatabits(uart_t*,uartbits_t);
extern int uartsetstopbits(uart_t*,uartstopbits_t);
extern int uartputc(uart_t*,char);
extern char uartgetc(uart_t*);
extern int uartputs(uart_t*,char*);
extern int uartgets(uart_t*,char*);
extern int uartputnc(uart_t*,char*,int);
extern int uartgetnc(uart_t*,char*,int);
extern int uartavailiabledata(uart_t*);

#ifdef __cplusplus
 }
#endif
#endif //GPIO_H