168 lines
6.6 KiB
C
168 lines
6.6 KiB
C
/* sensor_lps25hb.h - header file for LPS22HB pressure and temperature
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* sensor driver
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*/
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/*
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* Copyright (c) 2017 Linaro Limited
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_SENSOR_LPS22HB_LPS22HB_H_
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#define ZEPHYR_DRIVERS_SENSOR_LPS22HB_LPS22HB_H_
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#include <stdint.h>
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#include <drivers/i2c.h>
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#include <sys/util.h>
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#define LPS22HB_REG_WHO_AM_I 0x0F
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#define LPS22HB_VAL_WHO_AM_I 0xB1
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#define LPS22HB_REG_INTERRUPT_CFG 0x0B
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#define LPS22HB_MASK_INTERRUPT_CFG_AUTORIFP BIT(7)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_AUTORIFP 7
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#define LPS22HB_MASK_INTERRUPT_CFG_RESET_ARP BIT(6)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_RESET_ARP 6
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#define LPS22HB_MASK_INTERRUPT_CFG_AUTOZERO BIT(5)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_AUTOZERO 5
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#define LPS22HB_MASK_INTERRUPT_CFG_RESET_AZ BIT(4)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_RESET_AZ 4
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#define LPS22HB_MASK_INTERRUPT_CFG_DIFF_EN BIT(3)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_DIFF_EN 3
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#define LPS22HB_MASK_INTERRUPT_CFG_LIR BIT(2)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_LIR 2
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#define LPS22HB_MASK_INTERRUPT_CFG_PL_E BIT(1)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_PL_E 1
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#define LPS22HB_MASK_INTERRUPT_CFG_PH_E BIT(0)
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#define LPS22HB_SHIFT_INTERRUPT_CFG_PH_E 0
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#define LPS22HB_REG_THS_P_L 0x0C
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#define LPS22HB_REG_THS_P_H 0x0D
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#define LPS22HB_REG_CTRL_REG1 0x10
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#define LPS22HB_MASK_CTRL_REG1_ODR (BIT(6) | BIT(5) | BIT(4))
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#define LPS22HB_SHIFT_CTRL_REG1_ODR 4
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#define LPS22HB_MASK_CTRL_REG1_EN_LPFP BIT(3)
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#define LPS22HB_SHIFT_CTRL_REG1_EN_LPFP 3
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#define LPS22HB_MASK_CTRL_REG1_LPFP_CFG BIT(2)
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#define LPS22HB_SHIFT_CTRL_REG1_LPFP_CFG 2
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#define LPS22HB_MASK_CTRL_REG1_BDU BIT(1)
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#define LPS22HB_SHIFT_CTRL_REG1_BDU 1
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#define LPS22HB_MASK_CTRL_REG1_SIM BIT(0)
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#define LPS22HB_SHIFT_CTRL_REG1_SIM 0
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#define LPS22HB_REG_CTRL_REG2 0x11
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#define LPS22HB_MASK_CTRL_REG2_BOOT BIT(7)
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#define LPS22HB_SHIFT_CTRL_REG2_BOOT 7
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#define LPS22HB_MASK_CTRL_REG2_FIFO_EN BIT(6)
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#define LPS22HB_SHIFT_CTRL_REG2_FIFO_EN 6
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#define LPS22HB_MASK_CTRL_REG2_STOP_ON_FTH BIT(5)
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#define LPS22HB_SHIFT_CTRL_REG2_STOP_ON_FTH 5
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#define LPS22HB_MASK_CTRL_REG2_IF_ADD_INC BIT(4)
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#define LPS22HB_SHIFT_CTRL_REG2_IF_ADD_INC 4
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#define LPS22HB_MASK_CTRL_REG2_I2C_DIS BIT(3)
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#define LPS22HB_SHIFT_CTRL_REG2_I2C_DIS 3
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#define LPS22HB_MASK_CTRL_REG2_SWRESET BIT(2)
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#define LPS22HB_SHIFT_CTRL_REG2_SWRESET 2
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#define LPS22HB_MASK_CTRL_REG2_ONE_SHOT BIT(0)
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#define LPS22HB_SHIFT_CTRL_REG2_ONE_SHOT 0
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#define LPS22HB_REG_CTRL_REG3 0x12
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#define LPS22HB_MASK_CTRL_REG3_INT_H_L BIT(7)
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#define LPS22HB_SHIFT_CTRL_REG3_INT_H_L 7
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#define LPS22HB_MASK_CTRL_REG3_PP_OD BIT(6)
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#define LPS22HB_SHIFT_CTRL_REG3_PP_OD 6
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#define LPS22HB_MASK_CTRL_REG3_F_FSS5 BIT(5)
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#define LPS22HB_SHIFT_CTRL_REG3_F_FFS5 5
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#define LPS22HB_MASK_CTRL_REG3_F_FTH BIT(4)
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#define LPS22HB_SHIFT_CTRL_REG3_F_FTH 4
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#define LPS22HB_MASK_CTRL_REG3_F_OVR BIT(3)
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#define LPS22HB_SHIFT_CTRL_REG3_F_OVR 3
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#define LPS22HB_MASK_CTRL_REG3_DRDY BIT(2)
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#define LPS22HB_SHIFT_CTRL_REG3_DRDY 2
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#define LPS22HB_MASK_CTRL_REG3_INT_S (BIT(1) | BIT(0))
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#define LPS22HB_SHIFT_CTRL_REG_INT_S 0
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#define LPS22HB_REG_FIFO_CTRL 0x14
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#define LPS22HB_MASK_FIFO_CTRL_F_MODE (BIT(7) | BIT(6) | BIT(5))
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#define LPS22HB_SHIFT_FIFO_CTRL_F_MODE 5
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#define LPS22HB_MASK_FIFO_CTRL_WTM (BIT(4) | BIT(3) | BIT(2) | \
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BIT(2) | BIT(1) | BIT(0))
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#define LPS22HB_SHIFT_FIFO_CTRL_WTM 0
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#define LPS22HB_REG_REF_P_XL 0x15
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#define LPS22HB_REG_REF_P_L 0x16
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#define LPS22HB_REG_REF_P_H 0x17
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#define LPS22HB_REG_RPDS_L 0x18
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#define LPS22HB_REG_RPDS_H 0x19
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#define LPS22HB_REG_RES_CONF 0x1A
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#define LPS22HB_MASK_RES_CONF_LC_EN BIT(0)
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#define LPS22HB_SHIFT_RES_CONF_LC_EN 0
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#define LPS22HB_REG_INT_SOURCE 0x25
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#define LPS22HB_MASK_INT_SOURCE_IA BIT(2)
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#define LPS22HB_SHIFT_INT_SOURCE_IA 2
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#define LPS22HB_MASK_INT_SOURCE_PL BIT(1)
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#define LPS22HB_SHIFT_INT_SOURCE_PL 1
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#define LPS22HB_MASK_INT_SOURCE_PH BIT(0)
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#define LPS22HB_SHIFT_INT_SOURCE_PH 0
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#define LPS22HB_REG_FIFO_STATUS 0x26
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#define LPS22HB_MASK_FIFO_STATUS_FTH_FIFO BIT(7)
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#define LPS22HB_SHIFT_FIFO_STATUS_FTH_FIFO 7
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#define LPS22HB_MASK_FIFO_STATUS_OVR BIT(6)
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#define LPS22HB_SHIFT_FIFO_STATUS_OVR 6
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#define LPS22HB_MASK_FIFO_STATUS_EMPTY_FIFO BIT(5)
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#define LPS22HB_SHIFT_FIFO_STATUS_EMPTY_FIFO 5
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#define LPS22HB_MASK_FIFO_STATUS_FSS (BIT(4) | BIT(3) | BIT(2) | \
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BIT(1) | BIT(0))
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#define LPS22HB_SHIFT_FIFO_STATUS_FSS 0
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#define LPS22HB_REG_STATUS 0x27
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#define LPS22HB_MASK_STATUS_P_OR BIT(5)
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#define LPS22HB_SHIFT_STATUS_P_OR 5
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#define LPS22HB_MASK_STATUS_T_OR BIT(4)
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#define LPS22HB_SHIFT_STATUS_T_OR 4
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#define LPS22HB_MASK_STATUS_P_DA BIT(1)
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#define LPS22HB_SHIFT_STATUS_P_DA 1
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#define LPS22HB_MASK_STATUS_T_DA BIT(0)
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#define LPS22HB_SHIFT_STATUS_T_DA 0
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#define LPS22HB_REG_PRESS_OUT_XL 0x28
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#define LPS22HB_REG_PRESS_OUT_L 0x29
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#define LPS22HB_REG_PRESS_OUT_H 0x2A
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#define LPS22HB_REG_TEMP_OUT_L 0x2B
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#define LPS22HB_REG_TEMP_OUT_H 0x2C
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#define LPS22HB_REG_LPFP_RES 0x33
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#if CONFIG_LPS22HB_SAMPLING_RATE == 1
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#define LPS22HB_DEFAULT_SAMPLING_RATE 1
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#elif CONFIG_LPS22HB_SAMPLING_RATE == 10
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#define LPS22HB_DEFAULT_SAMPLING_RATE 2
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#elif CONFIG_LPS22HB_SAMPLING_RATE == 25
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#define LPS22HB_DEFAULT_SAMPLING_RATE 3
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#elif CONFIG_LPS22HB_SAMPLING_RATE == 50
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#define LPS22HB_DEFAULT_SAMPLING_RATE 4
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#elif CONFIG_LPS22HB_SAMPLING_RATE == 75
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#define LPS22HB_DEFAULT_SAMPLING_RATE 5
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#endif
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struct lps22hb_config {
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char *i2c_master_dev_name;
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uint16_t i2c_slave_addr;
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};
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struct lps22hb_data {
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struct device *i2c_master;
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int32_t sample_press;
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int16_t sample_temp;
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};
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#endif /* ZEPHYR_DRIVERS_SENSOR_LPS22HB_LPS22HB_H_ */
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