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/*------------------------------------------------------------------------------
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-- This file is a part of the libuc, microcontroler library
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-- Copyright (C) 2011, Alexis Jeandet
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@gmail.com
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-------------------------------------------------------------------------------*/
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#ifndef SSP_H
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#define SSP_H
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#include "LPC23xx.h"
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#include <uhandle.h>
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#define l4bits ((1<<1)+(1)) //0011 4 bit transfer
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#define l5bits ((1<<2)) //0100 5 bit transfer
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#define l6bits ((1<<2)+(1)) //0101 6 bit transfer
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#define l7bits ((1<<1)+(1<<1)) //0110 7 bit transfer
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#define l8bits ((1<<2)+(1<<1)+(1)) //0111 8 bit transfer
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#define l9bits ((1<<3)) //1000 9 bit transfer
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#define l10bits ((1<<3)+(1)) //1001 10 bit transfer
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#define l11bits ((1<<3)+(1<<1)) //1010 11 bit transfer
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#define l12bits ((1<<3)+(1<<1)+1) //1011 12 bit transfer
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#define l13bits ((1<<3)+(1<<2)) //1100 13 bit transfer
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#define l14bits ((1<<3)+(1<<2)+1) //1101 14 bit transfer
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#define l15bits ((1<<3)+(1<<2)+(1<<1)) //1110 15 bit transfer
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#define l16bits ((1<<3)+(1<<2)+(1<<1)+1) //1111 16 bit transfer
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#define FFSPI 0
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#define FFTI (1<<4)
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#define FFMICROWIRE (1<<5)
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#define CLKINHLOW 0
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#define CLKINHHIGH (1<<6)
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#define CKfirstEdge 0
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#define CKsecondEdge (1<<7)
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#define loopbackOFF 0
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#define loopbackON 1
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#define MASTERMODE 0
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#define SLAVEMODE (1<<2)
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#define SLAVEOUTPUTDISABLEMODE (1<<3)
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#define sspisslave(dev) ((((((_sspDev)dev))->SSPCtrlReg1>>2) & 1)==1)
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struct sspRegs
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{
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unsigned long SSPCtrlReg0;
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unsigned long SSPCtrlReg1;
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unsigned long SSPDataReg;
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unsigned long SSPStatReg;
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unsigned long SSPClkPrescReg;
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unsigned long SSPIntMaskReg;
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unsigned long SSPRawIntStatReg;
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unsigned long SSPMaskedIntStatReg;
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unsigned long SSPIntClearReg;
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unsigned long SSPDMACtrlReg;
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};
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typedef volatile struct sspRegs* _sspDev;
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typedef UHANDLE sspDev;
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extern sspDev sspopen(int count);
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extern void sspputc(sspDev dev,char c);
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extern void sspputnc(sspDev dev,const char *c,unsigned int n);
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extern void sspputw(sspDev dev,int c);
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extern void sspputs(sspDev dev,char *s);
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extern void sspgets(sspDev dev,char *s);
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extern char sspgetc(sspDev dev);
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extern void sspgetnc(sspDev dev,char *c,unsigned int n);
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extern int sspgetw(sspDev dev);
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extern void enableSSP(sspDev dev);
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extern void disableSSP(sspDev dev);
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extern void sspsetup(sspDev dev,unsigned char bitscount,int sspCtrlRegValue0,int sspCtrlRegValue1, unsigned int dataRate);
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extern void sspsetupTRsize(sspDev dev,unsigned char value);
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extern unsigned char sspgetpclkfactor(sspDev dev);
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extern void sspsetpclkfactor(sspDev dev,unsigned char pclkfactor);
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extern void sspsetdatarate(sspDev dev,unsigned int dataRate);
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#endif
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