LIS2DW12 accelerometer sensor library
Dependencies: X_NUCLEO_COMMON ST_INTERFACES
Diff: lis2dw12_reg.h
- Revision:
- 2:a94816b14e3d
- Parent:
- 1:94e908301953
- Child:
- 3:111317ba9301
--- a/lis2dw12_reg.h Mon Nov 19 14:35:00 2018 +0000 +++ b/lis2dw12_reg.h Wed Nov 21 15:41:28 2018 +0000 @@ -1,8 +1,7 @@ -/** +/* ****************************************************************************** * @file lis2dw12_reg.h - * @author MEMS Software Solution Team - * @date 25-January-2018 + * @author Sensors Software Solution Team * @brief This file contains all the functions prototypes for the * lis2dw12_reg.c driver. ****************************************************************************** @@ -10,34 +9,35 @@ * * <h2><center>© COPYRIGHT(c) 2018 STMicroelectronics</center></h2> * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. * - ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __LIS2DW12_DRIVER__H -#define __LIS2DW12_DRIVER__H +#ifndef LIS2DW12_REGS_H +#define LIS2DW12_REGS_H #ifdef __cplusplus extern "C" { @@ -45,51 +45,59 @@ /* Includes ------------------------------------------------------------------*/ #include <stdint.h> +#include <math.h> -/** @addtogroup lis2dw12 - * @{ - */ - +/** @addtogroup LIS2DW12 + * @{ + * + */ + +/** @defgroup LIS2DW12_sensors_common_types + * @{ + * + */ + #ifndef MEMS_SHARED_TYPES #define MEMS_SHARED_TYPES -/** @defgroup ST_MEMS_common_types +/** + * @defgroup axisXbitXX_t + * @brief These unions are useful to represent different sensors data type. + * These unions are not need by the driver. + * + * REMOVING the unions you are compliant with: + * MISRA-C 2012 [Rule 19.2] -> " Union are not allowed " + * * @{ + * */ -/** - * Float typedef definition for compliance with: - * MISRA-C 2012 [Dir 4.6a] -> " Basic type used without typedef " - * - */ -typedef float float32_t; - -typedef union -{ +typedef union{ int16_t i16bit[3]; uint8_t u8bit[6]; } axis3bit16_t; -typedef union -{ +typedef union{ int16_t i16bit; uint8_t u8bit[2]; } axis1bit16_t; -typedef union -{ +typedef union{ int32_t i32bit[3]; uint8_t u8bit[12]; } axis3bit32_t; -typedef union -{ +typedef union{ int32_t i32bit; uint8_t u8bit[4]; } axis1bit32_t; -typedef struct -{ +/** + * @} + * + */ + +typedef struct{ uint8_t bit0 : 1; uint8_t bit1 : 1; uint8_t bit2 : 1; @@ -100,18 +108,23 @@ uint8_t bit7 : 1; } bitwise_t; -#define PROPERTY_DISABLE (0) -#define PROPERTY_ENABLE (1) +#define PROPERTY_DISABLE (0U) +#define PROPERTY_ENABLE (1U) -#endif /* MEMS_SHARED_TYPES*/ +#endif /* MEMS_SHARED_TYPES */ /** * @} + * */ -/** @defgroup lis2dw12_interface +/** @addtogroup LIS2DW12_Interfaces_Functions + * @brief This section provide a set of functions used to read and + * write a generic register of the device. + * MANDATORY: return 0 -> no Error. * @{ - */ + * + */ typedef int32_t (*lis2dw12_write_ptr)(void *, uint8_t, uint8_t*, uint16_t); typedef int32_t (*lis2dw12_read_ptr) (void *, uint8_t, uint8_t*, uint16_t); @@ -126,26 +139,45 @@ /** * @} - */ + * + */ - -/** @defgroup lis2dw12_Infos +/** @defgroup LIS2DW12_Infos * @{ - */ - /** I2C Device Address 8 bit format if SA0=0 -> 31 if SA0=1 -> 33 **/ -#define LIS2DW12_I2C_ADD_L 0x31 -#define LIS2DW12_I2C_ADD_H 0x33 + * + */ + +/** I2C Device Address 8 bit format if SA0=0 -> 31 if SA0=1 -> 33 **/ +#define LIS2DW12_I2C_ADD_L 0x31U +#define LIS2DW12_I2C_ADD_H 0x33U /** Device Identification (Who am I) **/ -#define LIS2DW12_ID 0x44 +#define LIS2DW12_ID 0x44U /** * @} + * */ -/** - * @defgroup lis2dw12_Sensitivity +/** + * @addtogroup LIS2DW12_Sensitivity + * @brief These macro are maintained for back compatibility. + * in order to convert data into engineering units please + * use functions: + * -> _from_fs2_to_mg(int16_t lsb); + * -> _from_fs4_to_mg(int16_t lsb); + * -> _from_fs8_to_mg(int16_t lsb); + * -> _from_fs16_to_mg(int16_t lsb); + * -> _from_fs2_lp1_to_mg(int16_t lsb); + * -> _from_fs4_lp1_to_mg(int16_t lsb); + * -> _from_fs8_lp1_to_mg(int16_t lsb); + * -> _from_fs16_lp1_to_mg(int16_t lsb); + * -> _from_lsb_to_celsius(int16_t lsb); + * + * REMOVING the MACRO you are compliant with: + * MISRA-C 2012 [Dir 4.9] -> " avoid function-like macros " * @{ + * */ #define LIS2DW12_FROM_FS_2g_TO_mg(lsb) (float)((int16_t)lsb >> 2) * 0.244f @@ -153,8 +185,8 @@ #define LIS2DW12_FROM_FS_8g_TO_mg(lsb) (float)((int16_t)lsb >> 2) * 0.976f #define LIS2DW12_FROM_FS_16g_TO_mg(lsb) (float)((int16_t)lsb >> 2) * 1.952f -#define LIS2DW12_FROM_FS_2g_LP1_TO_mg(lsb) (float)((int16_t)lsb>>4)* 0.9760f -#define LIS2DW12_FROM_FS_4g_LP1_TO_mg(lsb) (float)((int16_t)lsb>>4)* 1.9520f +#define LIS2DW12_FROM_FS_2g_LP1_TO_mg(lsb) (float)((int16_t)lsb>>4)* 0.976f +#define LIS2DW12_FROM_FS_4g_LP1_TO_mg(lsb) (float)((int16_t)lsb>>4)* 1.952f #define LIS2DW12_FROM_FS_8g_LP1_TO_mg(lsb) (float)((int16_t)lsb>>4)* 3.904f #define LIS2DW12_FROM_FS_16g_LP1_TO_mg(lsb) (float)((int16_t)lsb>>4)* 7.808f @@ -162,19 +194,20 @@ /** * @} + * */ -#define LIS2DW12_OUT_T_L 0x0D -#define LIS2DW12_OUT_T_H 0x0E -#define LIS2DW12_WHO_AM_I 0x0F -#define LIS2DW12_CTRL1 0x20 +#define LIS2DW12_OUT_T_L 0x0DU +#define LIS2DW12_OUT_T_H 0x0EU +#define LIS2DW12_WHO_AM_I 0x0FU +#define LIS2DW12_CTRL1 0x20U typedef struct { uint8_t lp_mode : 2; uint8_t mode : 2; uint8_t odr : 4; } lis2dw12_ctrl1_t; -#define LIS2DW12_CTRL2 0x21 +#define LIS2DW12_CTRL2 0x21U typedef struct { uint8_t sim : 1; uint8_t i2c_disable : 1; @@ -186,7 +219,7 @@ uint8_t boot : 1; } lis2dw12_ctrl2_t; -#define LIS2DW12_CTRL3 0x22 +#define LIS2DW12_CTRL3 0x22U typedef struct { uint8_t slp_mode : 2; /* slp_mode_sel + slp_mode_1 */ uint8_t not_used_01 : 1; @@ -196,7 +229,7 @@ uint8_t st : 2; } lis2dw12_ctrl3_t; -#define LIS2DW12_CTRL4_INT1_PAD_CTRL 0x23 +#define LIS2DW12_CTRL4_INT1_PAD_CTRL 0x23U typedef struct { uint8_t int1_drdy : 1; uint8_t int1_fth : 1; @@ -208,7 +241,7 @@ uint8_t int1_6d : 1; } lis2dw12_ctrl4_int1_pad_ctrl_t; -#define LIS2DW12_CTRL5_INT2_PAD_CTRL 0x24 +#define LIS2DW12_CTRL5_INT2_PAD_CTRL 0x24U typedef struct { uint8_t int2_drdy : 1; uint8_t int2_fth : 1; @@ -220,7 +253,7 @@ uint8_t int2_sleep_state : 1; } lis2dw12_ctrl5_int2_pad_ctrl_t; -#define LIS2DW12_CTRL6 0x25 +#define LIS2DW12_CTRL6 0x25U typedef struct { uint8_t not_used_01 : 2; uint8_t low_noise : 1; @@ -229,8 +262,8 @@ uint8_t bw_filt : 2; } lis2dw12_ctrl6_t; -#define LIS2DW12_OUT_T 0x26 -#define LIS2DW12_STATUS 0x27 +#define LIS2DW12_OUT_T 0x26U +#define LIS2DW12_STATUS 0x27U typedef struct { uint8_t drdy : 1; uint8_t ff_ia : 1; @@ -242,39 +275,39 @@ uint8_t fifo_ths : 1; } lis2dw12_status_t; -#define LIS2DW12_OUT_X_L 0x28 -#define LIS2DW12_OUT_X_H 0x29 -#define LIS2DW12_OUT_Y_L 0x2A -#define LIS2DW12_OUT_Y_H 0x2B -#define LIS2DW12_OUT_Z_L 0x2C -#define LIS2DW12_OUT_Z_H 0x2D -#define LIS2DW12_FIFO_CTRL 0x2E +#define LIS2DW12_OUT_X_L 0x28U +#define LIS2DW12_OUT_X_H 0x29U +#define LIS2DW12_OUT_Y_L 0x2AU +#define LIS2DW12_OUT_Y_H 0x2BU +#define LIS2DW12_OUT_Z_L 0x2CU +#define LIS2DW12_OUT_Z_H 0x2DU +#define LIS2DW12_FIFO_CTRL 0x2EU typedef struct { uint8_t fth : 5; uint8_t fmode : 3; } lis2dw12_fifo_ctrl_t; -#define LIS2DW12_FIFO_SAMPLES 0x2F +#define LIS2DW12_FIFO_SAMPLES 0x2FU typedef struct { uint8_t diff : 6; uint8_t fifo_ovr : 1; uint8_t fifo_fth : 1; } lis2dw12_fifo_samples_t; -#define LIS2DW12_TAP_THS_X 0x30 +#define LIS2DW12_TAP_THS_X 0x30U typedef struct { uint8_t tap_thsx : 5; uint8_t _6d_ths : 2; uint8_t _4d_en : 1; } lis2dw12_tap_ths_x_t; -#define LIS2DW12_TAP_THS_Y 0x31 +#define LIS2DW12_TAP_THS_Y 0x31U typedef struct { uint8_t tap_thsy : 5; uint8_t tap_prior : 3; } lis2dw12_tap_ths_y_t; -#define LIS2DW12_TAP_THS_Z 0x32 +#define LIS2DW12_TAP_THS_Z 0x32U typedef struct { uint8_t tap_thsz : 5; uint8_t tap_z_en : 1; @@ -282,21 +315,21 @@ uint8_t tap_x_en : 1; } lis2dw12_tap_ths_z_t; -#define LIS2DW12_INT_DUR 0x33 +#define LIS2DW12_INT_DUR 0x33U typedef struct { uint8_t shock : 2; uint8_t quiet : 2; uint8_t latency : 4; } lis2dw12_int_dur_t; -#define LIS2DW12_WAKE_UP_THS 0x34 +#define LIS2DW12_WAKE_UP_THS 0x34U typedef struct { uint8_t wk_ths : 6; uint8_t sleep_on : 1; uint8_t single_double_tap : 1; } lis2dw12_wake_up_ths_t; -#define LIS2DW12_WAKE_UP_DUR 0x35 +#define LIS2DW12_WAKE_UP_DUR 0x35U typedef struct { uint8_t sleep_dur : 4; uint8_t stationary : 1; @@ -304,13 +337,13 @@ uint8_t ff_dur : 1; } lis2dw12_wake_up_dur_t; -#define LIS2DW12_FREE_FALL 0x36 +#define LIS2DW12_FREE_FALL 0x36U typedef struct { uint8_t ff_ths : 3; uint8_t ff_dur : 5; } lis2dw12_free_fall_t; -#define LIS2DW12_STATUS_DUP 0x37 +#define LIS2DW12_STATUS_DUP 0x37U typedef struct { uint8_t drdy : 1; uint8_t ff_ia : 1; @@ -322,7 +355,7 @@ uint8_t ovr : 1; } lis2dw12_status_dup_t; -#define LIS2DW12_WAKE_UP_SRC 0x38 +#define LIS2DW12_WAKE_UP_SRC 0x38U typedef struct { uint8_t z_wu : 1; uint8_t y_wu : 1; @@ -333,7 +366,7 @@ uint8_t not_used_01 : 2; } lis2dw12_wake_up_src_t; -#define LIS2DW12_TAP_SRC 0x39 +#define LIS2DW12_TAP_SRC 0x39U typedef struct { uint8_t z_tap : 1; uint8_t y_tap : 1; @@ -345,7 +378,7 @@ uint8_t not_used_01 : 1; } lis2dw12_tap_src_t; -#define LIS2DW12_SIXD_SRC 0x3A +#define LIS2DW12_SIXD_SRC 0x3AU typedef struct { uint8_t xl : 1; uint8_t xh : 1; @@ -357,7 +390,7 @@ uint8_t not_used_01 : 1; } lis2dw12_sixd_src_t; -#define LIS2DW12_ALL_INT_SRC 0x3B +#define LIS2DW12_ALL_INT_SRC 0x3BU typedef struct { uint8_t ff_ia : 1; uint8_t wu_ia : 1; @@ -368,10 +401,10 @@ uint8_t not_used_01 : 2; } lis2dw12_all_int_src_t; -#define LIS2DW12_X_OFS_USR 0x3C -#define LIS2DW12_Y_OFS_USR 0x3D -#define LIS2DW12_Z_OFS_USR 0x3E -#define LIS2DW12_CTRL_REG7 0x3F +#define LIS2DW12_X_OFS_USR 0x3CU +#define LIS2DW12_Y_OFS_USR 0x3DU +#define LIS2DW12_Z_OFS_USR 0x3EU +#define LIS2DW12_CTRL_REG7 0x3FU typedef struct { uint8_t lpass_on6d : 1; uint8_t hp_ref_mode : 1; @@ -383,6 +416,18 @@ uint8_t drdy_pulsed : 1; } lis2dw12_ctrl_reg7_t; +/** + * @defgroup LIS2DW12_Register_Union + * @brief This union group all the registers that has a bitfield + * description. + * This union is useful but not need by the driver. + * + * REMOVING this union you are compliant with: + * MISRA-C 2012 [Rule 19.2] -> " Union are not allowed " + * + * @{ + * + */ typedef union{ lis2dw12_ctrl1_t ctrl1; lis2dw12_ctrl2_t ctrl2; @@ -410,10 +455,25 @@ uint8_t byte; } lis2dw12_reg_t; +/** + * @} + * + */ + int32_t lis2dw12_read_reg(lis2dw12_ctx_t *ctx, uint8_t reg, uint8_t* data, uint16_t len); int32_t lis2dw12_write_reg(lis2dw12_ctx_t *ctx, uint8_t reg, uint8_t* data, uint16_t len); + +extern float lis2dw12_from_fs2_to_mg(int16_t lsb); +extern float lis2dw12_from_fs4_to_mg(int16_t lsb); +extern float lis2dw12_from_fs8_to_mg(int16_t lsb); +extern float lis2dw12_from_fs16_to_mg(int16_t lsb); +extern float lis2dw12_from_fs2_lp1_to_mg(int16_t lsb); +extern float lis2dw12_from_fs4_lp1_to_mg(int16_t lsb); +extern float lis2dw12_from_fs8_lp1_to_mg(int16_t lsb); +extern float lis2dw12_from_fs16_lp1_to_mg(int16_t lsb); +extern float lis2dw12_from_lsb_to_celsius(int16_t lsb); typedef enum { LIS2DW12_HIGH_PERFORMANCE = 0x04, @@ -747,12 +807,13 @@ /** * @} - */ + * + */ #ifdef __cplusplus } #endif -#endif /*__LIS2DW12_DRIVER__H */ +#endif /*LIS2DW12_REGS_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/