diff options
Diffstat (limited to 'qemu/roms/u-boot/board/altera/common/sevenseg.h')
| -rw-r--r-- | qemu/roms/u-boot/board/altera/common/sevenseg.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/altera/common/sevenseg.h b/qemu/roms/u-boot/board/altera/common/sevenseg.h new file mode 100644 index 000000000..34348329e --- /dev/null +++ b/qemu/roms/u-boot/board/altera/common/sevenseg.h @@ -0,0 +1,126 @@ +/* + * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net> + * Stephan Linz <linz@li-pro.net> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * common/sevenseg.h + * + * NIOS PIO based seven segment led support functions + */ + +#ifndef __DK1S10_SEVENSEG_H__ +#define __DK1S10_SEVENSEG_H__ + +#ifdef CONFIG_SEVENSEG + +/* + * 15 8 7 0 + * |-----------------------|--------| + * | controll value | value | + * ---------------------------------- + */ +#define SEVENSEG_RAW (int)(0) /* write out byte value (hex) */ +#define SEVENSEG_OFF (int)( 1 << 8) /* display switch off */ +#define SEVENSEG_SET_DPL (int)( 2 << 8) /* set dp low nibble */ +#define SEVENSEG_SET_DPH (int)( 3 << 8) /* set dp high nibble */ +#define SEVENSEG_RES_DPL (int)( 4 << 8) /* reset dp low nibble */ +#define SEVENSEG_RES_DPH (int)( 5 << 8) /* reset dp high nibble */ +#define SEVENSEG_TOG_DPL (int)( 6 << 8) /* toggle dp low nibble */ +#define SEVENSEG_TOG_DPH (int)( 7 << 8) /* toggle dp high nibble */ +#define SEVENSEG_LO (int)( 8 << 8) /* write out low nibble only */ +#define SEVENSEG_HI (int)( 9 << 8) /* write out high nibble only */ +#define SEVENSEG_STR (int)(10 << 8) /* write out a string */ + +#define SEVENSEG_MASK_VAL (0xff) /* only used by SEVENSEG_RAW */ +#define SEVENSEG_MASK_CTRL (~SEVENSEG_MASK_VAL) + +#ifdef SEVENSEG_DIGIT_HI_LO_EQUAL + +#define SEVENSEG_DIGITS_0 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F ) +#define SEVENSEG_DIGITS_1 ( SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C ) +#define SEVENSEG_DIGITS_2 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_3 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_4 ( SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_5 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_6 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_7 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C ) +#define SEVENSEG_DIGITS_8 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_9 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_A ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_B ( SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_C ( SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_D ( SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_E ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_F ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) + +#else /* !SEVENSEG_DIGIT_HI_LO_EQUAL */ +#error SEVENSEG: different pin asssignments not supported +#endif + +void sevenseg_set(int value); + +#endif /* CONFIG_SEVENSEG */ + +#endif /* __DK1S10_SEVENSEG_H__ */ |