127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/*
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* (C) Copyright 2003, Li-Pro.Net <www.li-pro.net>
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* Stephan Linz <linz@li-pro.net>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* common/sevenseg.h
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*
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* NIOS PIO based seven segment led support functions
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*/
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#ifndef __DK1S10_SEVENSEG_H__
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#define __DK1S10_SEVENSEG_H__
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#ifdef CONFIG_SEVENSEG
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/*
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* 15 8 7 0
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* |-----------------------|--------|
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* | controll value | value |
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* ----------------------------------
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*/
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#define SEVENSEG_RAW (int)(0) /* write out byte value (hex) */
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#define SEVENSEG_OFF (int)( 1 << 8) /* display switch off */
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#define SEVENSEG_SET_DPL (int)( 2 << 8) /* set dp low nibble */
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#define SEVENSEG_SET_DPH (int)( 3 << 8) /* set dp high nibble */
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#define SEVENSEG_RES_DPL (int)( 4 << 8) /* reset dp low nibble */
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#define SEVENSEG_RES_DPH (int)( 5 << 8) /* reset dp high nibble */
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#define SEVENSEG_TOG_DPL (int)( 6 << 8) /* toggle dp low nibble */
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#define SEVENSEG_TOG_DPH (int)( 7 << 8) /* toggle dp high nibble */
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#define SEVENSEG_LO (int)( 8 << 8) /* write out low nibble only */
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#define SEVENSEG_HI (int)( 9 << 8) /* write out high nibble only */
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#define SEVENSEG_STR (int)(10 << 8) /* write out a string */
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#define SEVENSEG_MASK_VAL (0xff) /* only used by SEVENSEG_RAW */
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#define SEVENSEG_MASK_CTRL (~SEVENSEG_MASK_VAL)
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#ifdef SEVENSEG_DIGIT_HI_LO_EQUAL
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#define SEVENSEG_DIGITS_0 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F )
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#define SEVENSEG_DIGITS_1 ( SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C )
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#define SEVENSEG_DIGITS_2 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_3 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_4 ( SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_5 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_6 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_7 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C )
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#define SEVENSEG_DIGITS_8 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_9 ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_A ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_B ( SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_C ( SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_D ( SEVENSEG_DIGIT_B \
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| SEVENSEG_DIGIT_C \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_E ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_D \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#define SEVENSEG_DIGITS_F ( SEVENSEG_DIGIT_A \
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| SEVENSEG_DIGIT_E \
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| SEVENSEG_DIGIT_F \
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| SEVENSEG_DIGIT_G )
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#else /* !SEVENSEG_DIGIT_HI_LO_EQUAL */
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#error SEVENSEG: different pin asssignments not supported
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#endif
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void sevenseg_set(int value);
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#endif /* CONFIG_SEVENSEG */
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#endif /* __DK1S10_SEVENSEG_H__ */
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