diff options
Diffstat (limited to 'src/drivers/ao_as1107.h')
| -rw-r--r-- | src/drivers/ao_as1107.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/drivers/ao_as1107.h b/src/drivers/ao_as1107.h new file mode 100644 index 00000000..a22b17db --- /dev/null +++ b/src/drivers/ao_as1107.h @@ -0,0 +1,59 @@ +/* + * Copyright © 2017 Keith Packard <keithp@keithp.com> + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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. + */ + +#ifndef _AO_AS1107_H_ +#define _AO_AS1107_H_ + +#define AO_AS1107_NO_OP 0x00 +#define AO_AS1107_DIGIT(n) (0x01 + (n)) +#define AO_AS1107_DECODE_MODE 0x09 +#define AO_AS1107_INTENSITY 0x0a +#define AO_AS1107_SCAN_LIMIT 0x0b +#define AO_AS1107_SHUTDOWN 0x0c +#define AO_AS1107_SHUTDOWN_SHUTDOWN_RESET 0x00 +#define AO_AS1107_SHUTDOWN_SHUTDOWN_NOP 0x80 +#define AO_AS1107_SHUTDOWN_NORMAL_RESET 0x01 +#define AO_AS1107_SHUTDOWN_NORMAL_NOP 0x81 + +#define AO_AS1107_FEATURE 0x0e +#define AO_AS1107_FEATURE_CLK_EN 0 /* external clock enable */ +#define AO_AS1107_FEATURE_REG_RES 1 +#define AO_AS1107_FEATURE_DECODE_SEL 2 /* select HEX decode */ +#define AO_AS1107_FEATURE_SPI_EN 3 +#define AO_AS1107_FEATURE_BLINK_EN 4 +#define AO_AS1107_FEATURE_BLINK_FREQ 5 +#define AO_AS1107_FEATURE_SYNC 6 +#define AO_AS1107_FEATURE_BLINK_START 7 +#define AO_AS1107_DISPLAY_TEST 0x0f + +void ao_as1107_init(void); + +void +ao_as1107_write(uint8_t start, uint8_t count, uint8_t *values); + +void +ao_as1107_write_8(uint8_t start, uint8_t value); + +void +ao_as1107_write_16(uint8_t start, uint16_t value); + +#ifndef AO_AS1107_DECODE +#error "must define AO_AS1107_DECODE" +#endif + +#ifndef AO_AS1107_NUM_DIGITS +#error "must define AO_AS1107_NUM_DIGITS" +#endif + +#endif /* _AO_AS1107_H_ */ |