/*------------------------------------------------------------------------------
--  This file is a part of the libuc, microcontroler library
--  Copyright (C) 2011, 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
-------------------------------------------------------------------------------*/
#include "uart.h"


void uartputc(uartDev* dev,char c) {
	while (!((dev->LineStat & (1<<5))));
	dev->RWreg = c;
}

char uartgetc(uartDev* dev) {
	while (!((dev->LineStat & 1)));
	return (char)dev->RWreg;
}


void uartputs(uartDev* dev,char *s) {
	while (*s) uartputc(dev,*s++);
}


void uartgets(uartDev* dev,char *s) {
	while (*s && (*s!=0xd)) *s++ = uartgetc(dev);
}

void uartsetup(uartDev* dev,int baudRate,int cpuClk)
{}

uartDev* uartopen(int count){
	uartDev* dev;
	switch(count)
	{
	  case 0:
		dev = (uartDev*)((unsigned long)LPC_UART0_BASE);
		break;
	  case 1:
		dev = (uartDev*)((unsigned long)LPC_UART1_BASE);
		break;
          case 2:
		dev = (uartDev*)((unsigned long)LPC_UART2_BASE);
		break;
	  case 3:
		dev = (uartDev*)((unsigned long)LPC_UART3_BASE);
		break;
	  default:
		dev = (uartDev*)0;
		break;
	}
	return dev;
}