126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
|
/**
|
||
|
* \file
|
||
|
* <!--
|
||
|
* This file is part of BeRTOS.
|
||
|
*
|
||
|
* Bertos 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 2 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
*
|
||
|
* As a special exception, you may use this file as part of a free software
|
||
|
* library without restriction. Specifically, if other files instantiate
|
||
|
* templates or use macros or inline functions from this file, or you compile
|
||
|
* this file and link it with other files to produce an executable, this
|
||
|
* file does not by itself cause the resulting executable to be covered by
|
||
|
* the GNU General Public License. This exception does not however
|
||
|
* invalidate any other reasons why the executable file might be covered by
|
||
|
* the GNU General Public License.
|
||
|
*
|
||
|
* Copyright 2008 Develer S.r.l. (http://www.develer.com/)
|
||
|
* All Rights Reserved.
|
||
|
* -->
|
||
|
*
|
||
|
* \brief Dataflash HW control routines.
|
||
|
*
|
||
|
* \author Francesco Sacchi <batt@develer.com>
|
||
|
*/
|
||
|
|
||
|
#include "hw/hw_dataflash.h"
|
||
|
|
||
|
#include <cfg/compiler.h>
|
||
|
#include <cfg/module.h>
|
||
|
#include <cfg/macros.h>
|
||
|
|
||
|
#warning TODO:This is an example implementation, you must implement it!
|
||
|
|
||
|
MOD_DEFINE(hw_dataflash);
|
||
|
|
||
|
/**
|
||
|
* Data flash init function.
|
||
|
*
|
||
|
* This function provide to initialize all that
|
||
|
* needs to drive a dataflash memory.
|
||
|
* Generaly needs to init pins to drive a CS line
|
||
|
* and reset line.
|
||
|
*/
|
||
|
void dataflash_hw_init(void)
|
||
|
{
|
||
|
|
||
|
//Disable CS line (remove if not needed)
|
||
|
dataflash_hw_setCS(false);
|
||
|
|
||
|
/*
|
||
|
* Put here your code!
|
||
|
*
|
||
|
* Note:
|
||
|
* - if you drive manualy CS line, here init a CS pin
|
||
|
* - if you use a dedicated reset line, here init a reset pin
|
||
|
*/
|
||
|
|
||
|
MOD_INIT(hw_dataflash);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Chip Select drive.
|
||
|
*
|
||
|
* This function enable or disable a CS line.
|
||
|
* You must implement this function comply to a dataflash
|
||
|
* memory datasheet to allow the drive to enable a memory
|
||
|
* when \p enable flag is true, and disable it when is false.
|
||
|
*/
|
||
|
void dataflash_hw_setCS(bool enable)
|
||
|
{
|
||
|
if (enable)
|
||
|
{
|
||
|
/*
|
||
|
* Put here your code to enable
|
||
|
* dataflash memory
|
||
|
*/
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
/*
|
||
|
* Put here your code to disable
|
||
|
* dataflash memory
|
||
|
*/
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Reset data flash memory.
|
||
|
*
|
||
|
* This function provide to send reset signal to
|
||
|
* dataflash memory. You must impement it comly to a dataflash
|
||
|
* memory datasheet to allow the drive to set a reset pin
|
||
|
* when \p enable flag is true, and disable it when is false.
|
||
|
*
|
||
|
*/
|
||
|
void dataflash_hw_setReset(bool enable)
|
||
|
{
|
||
|
if (enable)
|
||
|
{
|
||
|
/*
|
||
|
* Put here your code to set reset of
|
||
|
* dataflash memory
|
||
|
*/
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
/*
|
||
|
* Put here your code to clear reset of
|
||
|
* dataflash memory
|
||
|
*/
|
||
|
}
|
||
|
}
|
||
|
|