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71 lines
2.0 KiB
71 lines
2.0 KiB
/* |
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* lps22hb.h |
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* The LPS22HB is a low power barometer, here used as 1 DoF in a 10 DoF |
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* absolute orientation solution. |
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* |
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* Created on: Jan 18, 2021 |
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* Author: Daniel Peter Chokola |
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* |
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* Adapted From: |
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* EM7180_LSM6DSM_LIS2MDL_LPS22HB_Butterfly |
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* by: Kris Winer |
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* 09/23/2017 Copyright Tlera Corporation |
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* |
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* Library may be used freely and without limit with attribution. |
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*/ |
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#ifndef LPS22HB_h |
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#define LPS22HB_h |
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/* Includes */ |
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#include <stdint.h> |
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#include "i2c.h" |
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// See LPS22H "MEMS pressure sensor: 260-1260 hPa absolute digital output barometer" Data Sheet |
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// http://www.st.com/content/ccc/resource/technical/document/datasheet/bf/c1/4f/23/61/17/44/8a/DM00140895.pdf/files/DM00140895.pdf/jcr:content/translations/en.DM00140895.pdf |
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#define LPS22H_INTERRUPT_CFG 0x0B |
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#define LPS22H_THS_P_L 0x0C |
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#define LPS22H_THS_P_H 0x0D |
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#define LPS22H_WHOAMI 0x0F // should return 0xB1 |
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#define LPS22H_CTRL_REG1 0x10 |
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#define LPS22H_CTRL_REG2 0x11 |
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#define LPS22H_CTRL_REG3 0x12 |
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#define LPS22H_FIFO_CTRL 0x14 |
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#define LPS22H_REF_P_XL 0x15 |
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#define LPS22H_REF_P_L 0x16 |
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#define LPS22H_REF_P_H 0x17 |
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#define LPS22H_RPDS_L 0x18 |
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#define LPS22H_RPDS_H 0x19 |
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#define LPS22H_RES_CONF 0x1A |
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#define LPS22H_INT_SOURCE 0x25 |
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#define LPS22H_FIFO_STATUS 0x26 |
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#define LPS22H_STATUS 0x27 |
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#define LPS22H_PRESS_OUT_XL 0x28 |
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#define LPS22H_PRESS_OUT_L 0x29 |
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#define LPS22H_PRESS_OUT_H 0x2A |
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#define LPS22H_TEMP_OUT_L 0x2B |
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#define LPS22H_TEMP_OUT_H 0x2C |
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#define LPS22H_LPFP_RES 0x33 |
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#define LPS22H_ADDRESS 0x5C // Address of altimeter |
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// Altimeter output data rate |
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#define P_1shot 0x00 |
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#define P_1Hz 0x01 |
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#define P_10Hz 0x02 |
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#define P_25Hz 0x03 // 25 Hz output data rate |
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#define P_50Hz 0x04 |
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#define P_75Hz 0x05 |
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/* Data Structures */ |
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typedef struct lps22hb_s |
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{ |
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I2C_HandleTypeDef *hi2c; |
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uint8_t p_odr; |
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} lps22hb_t; |
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/* Function Prototypes */ |
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void lps22hb_init(lps22hb_t *lps22hb, uint8_t p_odr); |
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void lps22hb_config(lps22hb_t *lps22hb, I2C_HandleTypeDef *hi2c); |
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#endif
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