Subversion Repositories openrisc

#ifndef CYGONCE_ATMEL_SUPPORT_H

#define CYGONCE_ATMEL_SUPPORT_H

//=============================================================================

//

//      atmel_support.h

//

//      Platform specific support (register layout, etc)

//

//=============================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos 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 or (at your option) any later version.

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    gthomas

// Contributors: gthomas

// Date:         2001-02-27

// Purpose:      Intel SA1110/iPAQ platform specific support routines

// Description: 

// Usage:        #include <cyg/hal/atmel_support.h>

//

//####DESCRIPTIONEND####

//

//=============================================================================

// Command codes 

#define ATMEL_CMD_VERSION      0

#define ATMEL_CMD_UNKNOWN      1

#define ATMEL_CMD_KEYBD        2

#define ATMEL_CMD_TOUCH        3

#define ATMEL_CMD_EEPROM_READ  4

#define ATMEL_CMD_EEPROM_WRITE 5

#define ATMEL_CMD_THERMAL      6

#define ATMEL_CMD_LED          8

#define ATMEL_CMD_BATTERY      9

#define ATMEL_CMD_SPI_READ     11

#define ATMEL_CMD_SPI_WRITE    12

#define ATMEL_CMD_LIGHT        13

#define NUM_ATMEL_CMDS         16

// Structure of actual packets

//

// Byte 0 - SOF

// Byte 1 - (cmd << 4) | length

// Byte 2 - Data   |

// ...             | 'length' bytes (0..15) 

// Byte m - Data   |

// Byte n - Checksum 

//

// Since the length must be less than 16, the entire

// packet will fit in 18 bytes

//

#define ATMEL_PKT_LEN 18

typedef struct _atmel_pkt {

    struct _atmel_pkt *next;

    unsigned char data[ATMEL_PKT_LEN];

    int len, size;

} atmel_pkt;

#define ATMEL_PKT_SOF  0

#define ATMEL_PKT_CMD  1

#define ATMEL_PKT_DATA 2

#define ATMEL_NUM_PKT  4

#define SOF 0x02

//

// Keyboard events are one byte with the button code

// and state or'd

//

#define ATMEL_BUTTON_STATE      0x80

#define ATMEL_BUTTON_STATE_DOWN 0x00

#define ATMEL_BUTTON_STATE_UP   0x80

#define ATMEL_BUTTON_VALUE      0x7F

#define ATMEL_BUTTON_RECORD     0x01

#define ATMEL_BUTTON_CALENDAR   0x02

#define ATMEL_BUTTON_MEMO       0x03

#define ATMEL_BUTTON_Q          0x04

#define ATMEL_BUTTON_RETURN     0x05

#define ATMEL_BUTTON_JOY_UP     0x06

#define ATMEL_BUTTON_JOY_RIGHT  0x07

#define ATMEL_BUTTON_JOY_DOWN   0x09

#define ATMEL_BUTTON_JOY_LEFT   0x08

struct key_event {

    unsigned char button_info;

};

//

// Touch screen events

// Note: up/down is really hard to discern

//

struct ts_event {

    bool   up;

    short  x, y;

};

// Functions

void atmel_init(void);

bool atmel_send(int, unsigned char *, int);

int  atmel_recv(unsigned char *, int);

typedef void atmel_handler(atmel_pkt *);

void atmel_register(int, atmel_handler *);

void atmel_interrupt_mode(bool enable);

bool ts_get_event(struct ts_event *);

bool key_get_event(struct key_event *);

#endif /* CYGONCE_ATMEL_SUPPORT_H */