/*------------------------------------------------------------------------------
--  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 "bsp.h"
#include "core.h"


unsigned int OSC0  =12000000;
unsigned int INTOSC =4000000;
unsigned int RTCOSC =32768;
unsigned int currentCpuFreq=0;
float VREF0 =(float)3.3;
uartDev UART0=(uartDev)0;
uartDev UART1=(uartDev)0;
uartDev UART2=(uartDev)0;
uartDev UART3=(uartDev)0;

i2cDev IIC0=(i2cDev)0;
i2cDev IIC1=(i2cDev)0;
i2cDev IIC2=(i2cDev)0;

sspDev SSP0=(sspDev)0;
sspDev SSP1=(sspDev)0;

sdcardDev SDCARD0;
blkdevice BLKDEVSDCARD0;
dikpartition PART0;
FAT32fs fs0;
ucdirent root;

eeprom24lc0xDev eeprom0;

int bsp_init()
{
	bsp_GPIO_init();
	coresetCpuFreq(20000000);
	currentCpuFreq=coregetCpuFreq();
	coresetCpuFreq(60000000);
	currentCpuFreq=coregetCpuFreq();
	bsp_uart_init();
	bsp_iic_init();
	bsp_ssp_init();
	bsp_SD_init();
	return 0;
}

void bsp_GPIO_init()
{
	LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO
	LPC_GPIO2->FIODIR |=255;
	LEDS_OFF;
}

void bsp_uart_init()
{
	LPC_SC->PCONP |= ( 1 << 24 ); // power up UART3
	LPC_SC->PCONP |= ( 1 << 4 ); // power up UART1
	LPC_PINCON->PINSEL0 |= (1<<4);
	LPC_PINCON->PINSEL0 &= ~(1<<5);
	LPC_PINCON->PINSEL0 |= (1<<6);
	LPC_PINCON->PINSEL0 &= ~(1<<7);
	LPC_PINCON->PINSEL0 |= (1<<20);
	LPC_PINCON->PINSEL0 &= ~(1<<21);
	LPC_PINCON->PINSEL0 |= (1<<22);
	LPC_PINCON->PINSEL0 &= ~(1<<23);
	UART0= uartopen(0);
	uartsetup(UART0,38400,8,1,uartNoParity);
	UART2= uartopen(2);
	uartsetup(UART2,38400,8,1,uartNoParity);
}

void bsp_ssp_init()
{
	SSP0 = sspopen(0);		  // power up SSP0
	ssppowerup(SSP0);
	sspsetpclkfactor(SSP0,1);
	sspsetup(SSP0,8,FFSPI|CLKINHLOW|CKfirstEdge,loopbackOFF|MASTERMODE, 350000);
	enableSSP(SSP0);
	LPC_PINCON->PINSEL3 |= (3<<14);   //MISO0 on P1.23
	LPC_PINCON->PINSEL3 |= (3<<16);   //MOSI0 on P1.24
	LPC_PINCON->PINSEL3 |= (3<<8);    //SCK0 on P1.20
	LPC_GPIO1->FIODIR   |=  (1<<24) + (1<<20);
	LPC_PINCON->PINMODE3  &= ~(1<<14);
	LPC_PINCON->PINMODE3  &= ~(1<<15);
	//LPC_PINCON->PINSEL3 |= (3<<10); //SSEL0 on P1.21 disable for SDCARD -> need to send dummy clock 

}


void bsp_iic_init()
{
	LPC_SC->PCONP |= ( 1 << 7 ); // power up IIC0
	LPC_PINCON->PINSEL1 |= (1<<22);
	LPC_PINCON->PINSEL1 &= ~(1<<23);
	LPC_PINCON->PINSEL1 |= (1<<24);
	LPC_PINCON->PINSEL1 &= ~(1<<25);
	IIC0 = i2copen(0);
	i2csetdatarate(IIC0,100000);
	eeprom24lc0xopen(&eeprom0,IIC0,0,2048);
}

void bsp_SD_init()
{
	LPC_GPIO1->FIODIR |=1<<21;       //SD chip select on P1.21
	LPC_GPIO1->FIOSET = 1<<21;       //unselect SD card
	LPC_GPIO3->FIODIR |=1<<26;
	LPC_GPIO3->FIODIR &= ~(1<<25);
	LPC_GPIO3->FIOCLR |=1<<26;
	sdcardmake(&SDCARD0,SSP0,&sspgetnc,&sspputnc,&sspsetdatarate,&sspgetdatarate);
	sdcardmakeblkdev(&BLKDEVSDCARD0,&SDCARD0,&bspsdcardselect,&bsppowersdcard,&bspsdcardpresent,&bspsdcardwriteprotected);
	BLKDEVSDCARD0.initialize(&BLKDEVSDCARD0);
	mbropen(&BLKDEVSDCARD0,&PART0,1);
	fat32open(&fs0,&PART0);
	fat32mkdirent(&fs0,&root);
}

void consoleputc(char c)
{
	uartputc(UART0,c);
}


char consolegetc()
{
	return uartgetc(UART0);
}



void vs10XXclearXCS(){}
void vs10XXsetXCS(){}
int vs10XXDREQ()
{
	return 1;
}


void bsppowersdcard(char onoff)   //always ON
{
	
}

char bspsdcardpresent()
{
	return (((LPC_GPIO3->FIOPIN >> 25) & 1) ^1);
}

char bspsdcardwriteprotected()
{
	return 0;
}

void bspsdcardselect(char YESNO)
{
	
	LPC_GPIO1->FIOPIN = ((YESNO & 1)^1)<<21;   
}