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Added OpenOCD target for olimex-arm-usb-tiny....
Added OpenOCD target for olimex-arm-usb-tiny. Working D51E5TA7601 driver. Added Framebuffer interface. Added generic memory to memory DMA api, mmainly used by framebuffer API. ADS7843 work in progress. Added SOSmartPSU bsp.

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r71:608b7f0e27c2 dev_alexis
r103:3311a844031e dev_alexis
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i2c.c
132 lines | 2.7 KiB | text/x-c | CLexer
/*------------------------------------------------------------------------------
-- 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@member.fsf.org
-------------------------------------------------------------------------------*/
#include <i2c.h>
#include <gpio.h>
int i2ctimeout=1000*1000;
i2c_t i2copen(int count)
{
return -1;
}
i2c_t i2copenandconfig(int count,uint32_t cfg,uint32_t speed,uint32_t SDA,uint32_t SCL)
{
i2c_t dev = i2copen(count);
if(dev!=-1)
{
i2cclose(dev);
i2csetpins(dev,SDA,SCL);
i2copen(count);
i2csetspeed(dev,speed);
i2cenable(count);
}
return dev;
}
int i2cclose(i2c_t dev)
{
return 1;
}
int i2csetpins(i2c_t dev, uint32_t SDA, uint32_t SCL)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}
int i2cenable(i2c_t dev)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}
int i2cdisable(i2c_t dev)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}
int i2csetspeed(i2c_t dev,uint32_t speed)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}
int i2cbusy(i2c_t dev)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0; /* Dev isn't busy */
}
return -1; /* Error, dev is out of range */
}
int i2cwrite(i2c_t dev,char address,char* data,int count)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}
int i2cread(i2c_t dev,char address,char* data,int count)
{
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}
int i2cStatusCheck(i2c_t dev,int32_t flagMask)
{
int32_t flag;
if((dev<i2c4)&&(dev>=i2c1))
{
return 0;
}
return -1;
}