ma_io.c

avr Rtos 255 Task avr Rtos 255 Task

/*
*****************************************************************************
**
**      Project     : My project
**
**      Component   : test (ATmega128)
**
**      Modulename  : I/O
**
**      Filename    : ma_io.c
**
**      Abstract    : This file implements a device driver for the I/O
**                    module.
**
**      Compiler    : IAR C compiler
**
**      Date        : 2005-10-21 16:57:06
**
**      License no. : N/A     Administrator
**
**      Warning     : This file has been automatically generated.
**                    Do not edit this file if you intend to regenerate it.
**
**      This device driver was created by IAR MakeApp version
**      4.01A (Atmel megaAVR: 4.00A) for the Atmel megaAVR series of
**      microcontrollers.
**
**      (c)Copyright 2003 IAR Systems.
**      Your rights to this file are explained in the IAR MakeApp
**      License Agreement. All other rights reserved.
**
*****************************************************************************
*/

/*
**===========================================================================
**  1       GENERAL
**  1.1     Revisions
**
**  Please read the IAR MakeApp for Atmel megaAVR readme file
**
**
**===========================================================================
*/

/*
**===========================================================================
**  1.2     References
**
**  No   Identification          Name or Description
**  ==   ===================     ================================
**  1    2467G-AVR-09/02         ATmega128 Hardware Manual
**
**===========================================================================
*/

/*
**===========================================================================
**  2.      INCLUDE FILES
**  2.1     Standard include files
**===========================================================================
*/

/*
**===========================================================================
**  2.2     Application include files
**===========================================================================
*/

//#include "usercode.h"   /* Usercode macros (see <template.h>) */
#include "ma_tgt.h"     /* Target specific header file */
#include "iom128.h"     /* Internal registers */
#include "ma_io.h"      /* Module driver header file */

/*
**===========================================================================
**  3.      DECLARATIONS
**  3.1     Internal constants
**===========================================================================
*/

#define MA_DDRE_IO             0x00        /* Port E data direction register */
#define MA_DDRE_IO_MASK        0xFF        /* Used bits */
#define MA_PORTE_IO            0x00        /* Port E data register */
#define MA_PORTE_IO_MASK       0xFF        /* Used bits */
#define MA_DDRD_IO             0x00        /* Port D data direction register */
#define MA_DDRD_IO_MASK        0xFF        /* Used bits */
#define MA_PORTD_IO            0x00        /* Port D data register */
#define MA_PORTD_IO_MASK       0xFF        /* Used bits */
#define MA_DDRC_IO             0x00        /* Port C data direction register */
#define MA_DDRC_IO_MASK        0xFF        /* Used bits */
#define MA_PORTC_IO            0x00        /* Port C data register */
#define MA_PORTC_IO_MASK       0xFF        /* Used bits */
#define MA_DDRB_IO             0xFF        /* Port B data direction register */
#define MA_DDRB_IO_MASK        0xFF        /* Used bits */
#define MA_PORTB_IO            0x00        /* Port B data register */
#define MA_PORTB_IO_MASK       0xFF        /* Used bits */
#define MA_DDRA_IO             0x00        /* Port A data direction register */
#define MA_DDRA_IO_MASK        0xFF        /* Used bits */
#define MA_PORTA_IO            0x00        /* Port A data register */
#define MA_PORTA_IO_MASK       0xFF        /* Used bits */
#define MA_SFIOR_IO            0x00        /* Special function IO register */
#define MA_SFIOR_IO_MASK       0x9F        /* Used bits */
#define MA_DDRF_IO             0x00        /* Port F data direction register */
#define MA_DDRF_IO_MASK        0xFF        /* Used bits */
#define MA_PORTF_IO            0x00        /* Port F data register */
#define MA_PORTF_IO_MASK       0xFF        /* Used bits */
#define MA_DDRG_IO             0x00        /* Port G data direction register */
#define MA_DDRG_IO_MASK        0x1F        /* Used bits */
#define MA_PORTG_IO            0x00        /* Port G data register */
#define MA_PORTG_IO_MASK       0x1F        /* Used bits */

/*
**===========================================================================
**  3.2     Internal macros
**===========================================================================
*/

/*
**===========================================================================
**  3.3     Internal type definitions
**===========================================================================
*/

/*
**===========================================================================
**  3.4     Global variables (declared as 'extern' in some header file)
**===========================================================================
*/


/*
**===========================================================================
**  3.5     Internal function prototypes (defined in Section 5)
**===========================================================================
*/

/*
**===========================================================================
**  3.6     Internal variables
**===========================================================================
*/

/*
**===========================================================================
**  4.      GLOBAL FUNCTIONS (declared as 'extern' in some header file)
**===========================================================================
*/




void MA_Init_IO( void )
/*
**---------------------------------------------------------------------------
**
**  Abstract:
**      Initialises the I/O ports. Only sets those registers with values
**      not equal to the power-on reset values.
**
**  Parameters:
**      None
**
**  Returns:
**      None
**
**---------------------------------------------------------------------------
*/
{
    /*--- Handle user code on function entry ---*/
 //   ENTER_MA_INIT_IO;

    /*--- Initialise registers ---*/
    DDRB     = MA_DDRB_IO;

    /*--- Handle user code on function exit ---*/
  //  EXIT_MA_INIT_IO;

} /* MA_Init_IO */





void MA_Reset_IO( void )
/*
**---------------------------------------------------------------------------
**
**  Abstract:
**      Resets the I/O module. Sets all registers.
**
**  Parameters:
**      None
**
**  Returns:
**      None
**
**---------------------------------------------------------------------------
*/
{
    /*--- Handle user code on function entry ---*/
  //  ENTER_MA_RESET_IO;

    /*--- Reset registers ---*/
    DDRE     = MA_DDRE_IO;
    PORTE    = MA_PORTE_IO;
    DDRD     = MA_DDRD_IO;
    PORTD    = MA_PORTD_IO;
    DDRC     = MA_DDRC_IO;
    PORTC    = MA_PORTC_IO;
    DDRB     = MA_DDRB_IO;
    PORTB    = MA_PORTB_IO;
    DDRA     = MA_DDRA_IO;
    PORTA    = MA_PORTA_IO;
    SFIOR    = ( SFIOR & ~MA_SFIOR_IO_MASK ) | MA_SFIOR_IO;
    DDRF     = MA_DDRF_IO;
    PORTF    = MA_PORTF_IO;
    DDRG     = ( DDRG & ~MA_DDRG_IO_MASK ) | MA_DDRG_IO;
    PORTG    = ( PORTG & ~MA_PORTG_IO_MASK ) | MA_PORTG_IO;

    /*--- Handle user code on function exit ---*/
   // EXIT_MA_RESET_IO;

} /* MA_Reset_IO */





S8 MA_SetPortIn_IO( U8 Port, U8 BitMask )
/*
**---------------------------------------------------------------------------
**
**  Abstract:
**      Reprograms selected I/O pins as input pins.
**
**  Parameters:
**      Port      The port to reprogram (MA_PORTA - MA_PORTG)
**      BitMask   Set a bit to program the corresponding pin to input
**
**  Returns:
**      MA_ERROR  If an illegal port was given.
**      MA_OK     Otherwise
**
**---------------------------------------------------------------------------
*/
{
    /*--- Handle user code on function entry ---*/
 //   ENTER_MA_SETPORTIN_IO;

    /*--- Set selected pins as input pins ---*/
    switch( Port )
    {
    case MA_PORTA:
        /*--- Port A ---*/
        ClrBit( DDRA, BitMask );
        break;

    case MA_PORTB:
        /*--- Port B ---*/
        ClrBit( DDRB, BitMask );
        break;

    case MA_PORTC:
        /*--- Port C ---*/
        ClrBit( DDRC, BitMask );
        break;

    case MA_PORTD:
        /*--- Port D ---*/
        ClrBit( DDRD, BitMask );
        break;

    case MA_PORTE:
        /*--- Port E ---*/
        ClrBit( DDRE, BitMask );
        break;

    case MA_PORTF:
        /*--- Port F ---*/
        ClrBit( DDRF, BitMask );
        break;

    case MA_PORTG: