diff options
Diffstat (limited to 'src/drivers/ao_ads131a0x.h')
| -rw-r--r-- | src/drivers/ao_ads131a0x.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/drivers/ao_ads131a0x.h b/src/drivers/ao_ads131a0x.h new file mode 100644 index 00000000..7ceb9351 --- /dev/null +++ b/src/drivers/ao_ads131a0x.h @@ -0,0 +1,69 @@ +/* + * Copyright © 2019 Bdale Garbee <bdale@gag.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_ADS131A0X_H_ +#define _AO_ADS131A0X_H_ + +/* control commands */ +#define AO_ADS131A0X_NOP 0x00 +#define AO_ADS131A0X_WAKEUP 0x02 +#define AO_ADS131A0X_POWERDOWN 0x04 +#define AO_ADS131A0X_RESET 0x06 +#define AO_ADS131A0X_START 0x08 +#define AO_ADS131A0X_STOP 0x0a + +/* calibration commands */ +#define AO_ADS131A0X_SYOCAL 0x16 +#define AO_ADS131A0X_SYGCAL 0x17 +#define AO_ADS131A0X_SFOCAL 0x19 + +/* data read command */ +#define AO_ADS131A0X_RDATA 0x12 + +/* register read and write commands */ +#define AO_ADS131A0X_RREG 0x20 +#define AO_ADS131A0X_WREG 0x40 + +/* configuration register map */ +#define AO_ADS131A0X_ID 0x00 +#define AO_ADS131A0X_ID_ADS131A08 0x00 +#define AO_ADS131A0X_ID_ADS131A06 0x01 +#define AO_ADS131A0X_STATUS 0x01 +#define AO_ADS131A0X_INPMUX 0x02 +#define AO_ADS131A0X_PGA 0x03 +#define AO_ADS131A0X_DATARATE 0x04 +#define AO_ADS131A0X_REF 0x05 +#define AO_ADS131A0X_IDACMAG 0x06 +#define AO_ADS131A0X_IDACMUX 0x07 +#define AO_ADS131A0X_VBIAS 0x08 +#define AO_ADS131A0X_SYS 0x09 +#define AO_ADS131A0X_OFCAL0 0x0a +#define AO_ADS131A0X_OFCAL1 0x0b +#define AO_ADS131A0X_OFCAL2 0x0c +#define AO_ADS131A0X_FSCAL0 0x0d +#define AO_ADS131A0X_FSCAL1 0x0e +#define AO_ADS131A0X_FSCAL2 0x0f +#define AO_ADS131A0X_GPIODAT 0x10 +#define AO_ADS131A0X_GPIOCON 0x11 + +struct ao_ads131a0x_sample { + int32_t ain[AO_ADS131A0X_CHANNELS]; +}; + +extern struct ao_ads131a0x_sample ao_ads131a0x_current; + +void +ao_ads131a0x_init(void); + +#endif /* _AO_ADS131A0X_H_ */ |