OpenModem/bertos/hw/hw_dataflash.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
*/
}
}