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Working on fat32
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spi.c
255 lines | 4.2 KiB | text/x-c | CLexer
/*------------------------------------------------------------------------------
-- 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@member.fsf.org
-------------------------------------------------------------------------------*/
#include <spi.h>
#include <gpio.h>
spi_t spiopen(int count)
{
return -1;
}
spi_t spiopenandconfig(int count, uint32_t cfg, uint32_t speed, uint32_t MOSIpin, uint32_t MISOpin, uint32_t SCKpin, uint32_t SCSpin)
{
spi_t dev = spiopen(count);
if(dev!=-1)
{
spidisable(dev);
spisetpins(dev,MOSIpin, MISOpin, SCKpin, SCSpin);
spienable(dev);
spisetconfig(dev,cfg,speed);
}
return dev;
}
int spiclose(spi_t spidev)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spisetpins(spi_t spidev,uint32_t MOSIpin,uint32_t MISOpin,uint32_t SCKpin,uint32_t SCSpin)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spienable(spi_t spidev)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spidisable(spi_t spidev)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spisetconfig(spi_t spidev, uint32_t config, uint32_t speed)
{
if((spidev<3)&&(spidev>=0))
{
return 0;
}
return 1;
}
int spisetspeed(spi_t spidev, uint32_t speed)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
uint32_t spigetspeed(spi_t spidev)
{
if((spidev<3)&&(spidev>=0))
{
return 0;
}
return -1;
}
int spisetdatabits(spi_t spidev,spibits_t bitscnt)
{
if((spidev<3)&&(spidev>=0))
{
return 0;
}
return -1;
}
int spisetbitorder(spi_t spidev,spibitorder_t order)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spisetclkinhlevel(spi_t spidev,spiclkinhlvl_t level)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spisetclkphase(spi_t spidev,spiclkphase_t phase)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return -1;
}
int spiputw(spi_t spidev,uint16_t data)
{
if((spidev<3)&&(spidev>=0))
{
return 0;
}
return -1;
}
uint16_t spigetw(spi_t spidev)
{
if((spidev<3)&&(spidev>=0))
{
return 0;
}
return -1;
}
int spiputs(spi_t spidev,char* s)
{
while (*s) spiputw(spidev,*s++);
return 1;
}
int spigets(spi_t spidev,char* s)
{
do
{
(*s) = spigetw(spidev);
}
while(*s++);
return 1;
}
int spiputnw(spi_t spidev,uint16_t* w,int n)
{
while(n!=0)
{
spiputw(spidev,*w++);
n--;
}
return 1;
}
int spigetnw(spi_t spidev,uint16_t* w,int n)
{
while(n!=0)
{
*w++=spigetw(spidev);
n--;
}
return 1;
}
int spiputnc(spi_t spidev,char* c,int n)
{
while(n!=0)
{
spiputw(spidev,*c++);
n--;
}
return 1;
}
int spigetnc(spi_t spidev,char* c,int n)
{
while(n!=0)
{
*c++=spigetw(spidev);
n--;
}
return 1;
}
int spiavailiabledata(spi_t spidev)
{
return 0;
}
int spitransactionfinished(spi_t spidev)
{
if((spidev<3)&&(spidev>=0))
{
return 1;
}
return 0;
}