ST
3-axis MEMS ultra low power accelerometer
Dependencies: X_NUCLEO_COMMON ST_INTERFACES
Dependents: X_NUCLEO_IKS01A3 X_NUCLEO_IKS01A3
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****/