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Diffstat (limited to 'src/drivers/ao_ms5607.h')
| -rw-r--r-- | src/drivers/ao_ms5607.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/drivers/ao_ms5607.h b/src/drivers/ao_ms5607.h new file mode 100644 index 00000000..e9c364d9 --- /dev/null +++ b/src/drivers/ao_ms5607.h @@ -0,0 +1,74 @@ +/* + * Copyright © 2012 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; version 2 of the License. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_MS5607_H_ +#define _AO_MS5607_H_ + +#define AO_MS5607_RESET 0x1e + +#define AO_MS5607_CONVERT_D1_256 0x40 +#define AO_MS5607_CONVERT_D1_512 0x42 +#define AO_MS5607_CONVERT_D1_1024 0x44 +#define AO_MS5607_CONVERT_D1_2048 0x46 +#define AO_MS5607_CONVERT_D1_4096 0x48 + +#define AO_MS5607_CONVERT_D2_256 0x50 +#define AO_MS5607_CONVERT_D2_512 0x52 +#define AO_MS5607_CONVERT_D2_1024 0x54 +#define AO_MS5607_CONVERT_D2_2048 0x56 +#define AO_MS5607_CONVERT_D2_4096 0x58 + +#define AO_MS5607_ADC_READ 0x00 +#define AO_MS5607_PROM_READ(ad) (0xA0 | ((ad) << 1)) + +struct ao_ms5607_prom { + uint16_t reserved; + uint16_t sens; + uint16_t off; + uint16_t tcs; + uint16_t tco; + uint16_t tref; + uint16_t tempsens; + uint16_t crc; +}; + +struct ao_ms5607_sample { + uint32_t pres; /* raw 24 bit sensor */ + uint32_t temp; /* raw 24 bit sensor */ +}; + +struct ao_ms5607_value { + int32_t pres; /* in Pa * 10 */ + int32_t temp; /* in °C * 100 */ +}; + +void +ao_ms5607_init(void); + +void +ao_ms5607_info(void); + +void +ao_ms5607_sample(struct ao_ms5607_sample *sample); + +void +ao_ms5607_convert(struct ao_ms5607_sample *sample, struct ao_ms5607_value *value); + +void +ao_ms5607_get_prom(struct ao_ms5607_prom *prom); + +#endif /* _AO_MS5607_H_ */ |