1 //=============================================================================
3 // 7_segment_displays.h
5 // Definitions for IQ80310 7-segment display.
7 //=============================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
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30 // License. However the source code for this file must still be made available
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37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //=============================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): Scott Coulter, Jeff Frazier, Eric Breeden
49 //####DESCRIPTIONEND####
51 //===========================================================================*/
54 /* Addresses of the 7-segment displays registers */
57 /* iq80310 address decode */
58 #define MSB_DISPLAY_REG (volatile unsigned char *)0xfe840000 /* 7 segment 0 */
59 #define LSB_DISPLAY_REG (volatile unsigned char *)0xfe850000 /* 7 segment 1 */
61 /* Values for the 7-segment displays */
62 #define DISPLAY_OFF 0xFF
83 #define DECIMAL_POINT 0x7F
84 #define DISPLAY_ERROR 0x06 /* Displays "E." */
86 /* Parameters for functions */
91 extern const unsigned char SevSegDecode[];