| /* |
| * Copyright (C) 2016-2017 STMicroelectronics |
| * |
| * Author: Denis Ciocca <denis.ciocca@st.com> |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __LSM6DSM_I2C_MASTER_LPS22HB__ |
| #define __LSM6DSM_I2C_MASTER_LPS22HB__ |
| |
| #ifdef LSM6DSM_I2C_MASTER_LPS22HB |
| #ifndef LSM6DSM_I2C_MASTER_BAROMETER_ENABLED |
| #define LSM6DSM_I2C_MASTER_BAROMETER_ENABLED 1 |
| #else /* LSM6DSM_I2C_MASTER_BAROMETER_ENABLED */ |
| #error "Another barometer is already selected! One baro per time can be used." |
| #endif /* LSM6DSM_I2C_MASTER_BAROMETER_ENABLED */ |
| |
| #if !defined(LSM6DSM_LPS22HB_I2C_ADDRESS) |
| #error "LPS22HB i2c address macro not defined. Please check README file" |
| #endif /* LSM6DSM_LPS22HB_I2C_ADDRESS */ |
| |
| #else /* LSM6DSM_I2C_MASTER_LPS22HB */ |
| #undef LSM6DSM_LPS22HB_I2C_ADDRESS |
| #define LSM6DSM_LPS22HB_I2C_ADDRESS 1 |
| #endif /* LSM6DSM_I2C_MASTER_LPS22HB */ |
| |
| #define LPS22HB_PRESS_KSCALE 0.000244140625f /* PRESS scale @1260hPa in hPa/LSB */ |
| #define LPS22HB_TEMP_KSCALE 0.01f /* TEMP scale in *C/LSB */ |
| #define LPS22HB_I2C_ADDRESS (LSM6DSM_LPS22HB_I2C_ADDRESS) |
| |
| /* LPS22HB registers */ |
| #define LPS22HB_WAI_ADDR (0x0f) |
| #define LPS22HB_CTRL1_ADDR (0x10) |
| #define LPS22HB_CTRL2_ADDR (0x11) |
| #define LPS22HB_OUTDATA_ADDR (0x28) |
| |
| #define LPS22HB_SW_RESET (0x04) |
| #define LPS22HB_POWER_ON_VALUE (0x00) |
| #define LPS22HB_POWER_OFF_VALUE (0x00) |
| #define LPS22HB_OUTDATA_LEN (0x05) |
| #define LPS22HB_OUTDATA_PRESS_BYTE 3 |
| #define LPS22HB_OUTDATA_TEMP_BYTE 2 |
| |
| |
| /* LPS22HB default base registers status */ |
| /* LPS22HB_CTRL1_BASE: control register 1 default settings */ |
| #define LPS22HB_CTRL1_BASE ((0 << 7) | /* (0) */ \ |
| (0 << 6) | /* ODR2 */ \ |
| (0 << 5) | /* ODR1 */ \ |
| (0 << 4) | /* ODR0 */ \ |
| (0 << 3) | /* EN_LPFP */ \ |
| (0 << 2) | /* LPF_CFG */ \ |
| (1 << 1) | /* BDU */ \ |
| (0 << 0)) /* SIM */ |
| |
| /* LPS22HB_CTRL2_BASE: control register 2 default settings */ |
| #define LPS22HB_CTRL2_BASE ((0 << 7) | /* BOOT */ \ |
| (0 << 6) | /* FIFO_EN */ \ |
| (0 << 5) | /* STOP_ON_FTH */ \ |
| (1 << 4) | /* IF_ADD_INC */ \ |
| (0 << 3) | /* I2C_DIS */ \ |
| (0 << 2) | /* SWRESET */ \ |
| (0 << 1) | /* (0) */ \ |
| (0 << 0)) /* ONE_SHOT */ |
| |
| #ifdef LSM6DSM_I2C_MASTER_LPS22HB |
| /* MUST BE SAME LENGTH OF LSM6DSMMagnRates */ |
| static uint8_t LPS22HBBaroRatesRegValue[] = { |
| 0x20, /* Expected 0.8125Hz, ODR = 10Hz */ |
| 0x20, /* Expected 1.625Hz, ODR = 10Hz */ |
| 0x20, /* Expected 3.25Hz, ODR = 10Hz */ |
| 0x20, /* Expected 6.5Hz, ODR = 10Hz */ |
| 0x30, /* Expected 12.5Hz, ODR = 25Hz */ |
| 0x40, /* Expected 26Hz, ODR = 50Hz */ |
| 0x50, /* Expected 52Hz, ODR = 75Hz */ |
| 0x50, /* Expected 104Hz, ODR = 75Hz */ |
| }; |
| #endif /* LSM6DSM_I2C_MASTER_LPS22HB */ |
| |
| #endif /* __LSM6DSM_I2C_MASTER_LPS22HB__ */ |
