Collaboration diagram for LIS3DSH:

Detailed Description

Macros
#define	lis3dshAccelerometerGetAxesNumber(devp) accelerometerGetAxesNumber(&((devp)->acc_if))
	Return the number of axes of the BaseAccelerometer. More...

#define	lis3dshAccelerometerReadRaw(devp, axes) accelerometerReadRaw(&((devp)->acc_if), axes)
	Retrieves raw data from the BaseAccelerometer. More...

#define	lis3dshAccelerometerReadCooked(devp, axes) accelerometerReadCooked(&((devp)->acc_if), axes)
	Retrieves cooked data from the BaseAccelerometer. More...

#define	lis3dshAccelerometerSetBias(devp, bp) accelerometerSetBias(&((devp)->acc_if), bp)
	Set bias values for the BaseAccelerometer. More...

#define	lis3dshAccelerometerResetBias(devp) accelerometerResetBias(&((devp)->acc_if))
	Reset bias values for the BaseAccelerometer. More...

#define	lis3dshAccelerometerSetSensitivity(devp, sp) accelerometerSetSensitivity(&((devp)->acc_if), sp)
	Set sensitivity values for the BaseAccelerometer. More...

#define	lis3dshAccelerometerResetSensitivity(devp) accelerometerResetSensitivity(&((devp)->acc_if))
	Reset sensitivity values for the BaseAccelerometer. More...

#define	lis3dshAccelerometerSetFullScale(devp, fs) (devp)->vmt->acc_set_full_scale(devp, fs)
	Changes the LIS3DSHDriver accelerometer fullscale value. More...

Version identification
#define	EX_LIS3DSH_VERSION "1.1.2"
	LIS3DSH driver version string. More...

#define	EX_LIS3DSH_MAJOR 1
	LIS3DSH driver version major number. More...

#define	EX_LIS3DSH_MINOR 1
	LIS3DSH driver version minor number. More...

#define	EX_LIS3DSH_PATCH 2
	LIS3DSH driver version patch number. More...

#define	LIS3DSH_ACC_NUMBER_OF_AXES 3U
	LIS3DSH accelerometer subsystem characteristics. More...

LIS3DSH communication interfaces related bit masks
#define	LIS3DSH_DI_MASK 0xFF

#define	LIS3DSH_DI(n) (1 << n)

#define	LIS3DSH_AD_MASK 0x3F

#define	LIS3DSH_AD(n) (1 << n)

#define	LIS3DSH_MS (1 << 6)

#define	LIS3DSH_RW (1 << 7)

LIS3DSH register addresses
#define	LIS3DSH_AD_OUT_T 0x0C

#define	LIS3DSH_AD_INFO1 0x0D

#define	LIS3DSH_AD_INFO2 0x0E

#define	LIS3DSH_AD_WHO_AM_I 0x0F

#define	LIS3DSH_AD_OFF_X 0x10

#define	LIS3DSH_AD_OFF_Y 0x11

#define	LIS3DSH_AD_OFF_Z 0x12

#define	LIS3DSH_AD_CS_X 0x13

#define	LIS3DSH_AD_CS_Y 0x14

#define	LIS3DSH_AD_CS_Z 0x15

#define	LIS3DSH_AD_LC_L 0x16

#define	LIS3DSH_AD_LC_H 0x17

#define	LIS3DSH_AD_STAT 0x18

#define	LIS3DSH_AD_PEAK1 0x19

#define	LIS3DSH_AD_PEAK2 0x1A

#define	LIS3DSH_AD_VFC_1 0x1B

#define	LIS3DSH_AD_VFC_2 0x1C

#define	LIS3DSH_AD_VFC_3 0x1D

#define	LIS3DSH_AD_VFC_4 0x1E

#define	LIS3DSH_AD_THRS3 0x1F

#define	LIS3DSH_AD_CTRL_REG4 0x20

#define	LIS3DSH_AD_CTRL_REG1 0x21

#define	LIS3DSH_AD_CTRL_REG2 0x22

#define	LIS3DSH_AD_CTRL_REG3 0x23

#define	LIS3DSH_AD_CTRL_REG5 0x24

#define	LIS3DSH_AD_CTRL_REG6 0x25

#define	LIS3DSH_AD_STATUS 0x27

#define	LIS3DSH_AD_OUT_X_L 0x28

#define	LIS3DSH_AD_OUT_X_H 0x29

#define	LIS3DSH_AD_OUT_Y_L 0x2A

#define	LIS3DSH_AD_OUT_Y_H 0x2B

#define	LIS3DSH_AD_OUT_Z_L 0x2C

#define	LIS3DSH_AD_OUT_Z_H 0x2D

#define	LIS3DSH_AD_FIFO_CTRL 0x2E

#define	LIS3DSH_AD_FIFO_SRC 0x2F

#define	LIS3DSH_AD_ST1_0 0x40

#define	LIS3DSH_AD_ST1_1 0x41

#define	LIS3DSH_AD_ST1_2 0x42

#define	LIS3DSH_AD_ST1_3 0x43

#define	LIS3DSH_AD_ST1_4 0x44

#define	LIS3DSH_AD_ST1_5 0x45

#define	LIS3DSH_AD_ST1_6 0x46

#define	LIS3DSH_AD_ST1_7 0x47

#define	LIS3DSH_AD_ST1_8 0x48

#define	LIS3DSH_AD_ST1_9 0x49

#define	LIS3DSH_AD_ST1_A 0x4A

#define	LIS3DSH_AD_ST1_B 0x4B

#define	LIS3DSH_AD_ST1_C 0x4C

#define	LIS3DSH_AD_ST1_D 0x4D

#define	LIS3DSH_AD_ST1_E 0x4E

#define	LIS3DSH_AD_ST1_F 0x4F

#define	LIS3DSH_AD_TIM4_1 0x50

#define	LIS3DSH_AD_TIM3_1 0x51

#define	LIS3DSH_AD_TIM2_1_L 0x52

#define	LIS3DSH_AD_TIM2_1_H 0x53

#define	LIS3DSH_AD_TIM1_1_L 0x54

#define	LIS3DSH_AD_TIM1_1_H 0x55

#define	LIS3DSH_AD_THRS2_1 0x56

#define	LIS3DSH_AD_THRS1_1 0x57

#define	LIS3DSH_AD_MASK1_B 0x59

#define	LIS3DSH_AD_MASK1_A 0x5A

#define	LIS3DSH_AD_SETT1 0x5B

#define	LIS3DSH_AD_PR1 0x5C

#define	LIS3DSH_AD_TC1_L 0x5D

#define	LIS3DSH_AD_TC1_H 0x5E

#define	LIS3DSH_AD_OUTS1 0x5F

#define	LIS3DSH_AD_ST2_0 0x60

#define	LIS3DSH_AD_ST2_1 0x61

#define	LIS3DSH_AD_ST2_2 0x62

#define	LIS3DSH_AD_ST2_3 0x63

#define	LIS3DSH_AD_ST2_4 0x64

#define	LIS3DSH_AD_ST2_5 0x65

#define	LIS3DSH_AD_ST2_6 0x66

#define	LIS3DSH_AD_ST2_7 0x67

#define	LIS3DSH_AD_ST2_8 0x68

#define	LIS3DSH_AD_ST2_9 0x69

#define	LIS3DSH_AD_ST2_A 0x6A

#define	LIS3DSH_AD_ST2_B 0x6B

#define	LIS3DSH_AD_ST2_C 0x6C

#define	LIS3DSH_AD_ST2_D 0x6D

#define	LIS3DSH_AD_ST2_E 0x6E

#define	LIS3DSH_AD_ST2_F 0x6F

#define	LIS3DSH_AD_TIM4_2 0x70

#define	LIS3DSH_AD_TIM3_2 0x71

#define	LIS3DSH_AD_TIM2_2_L 0x72

#define	LIS3DSH_AD_TIM2_2_H 0x73

#define	LIS3DSH_AD_TIM1_2_L 0x74

#define	LIS3DSH_AD_TIM1_2_H 0x75

#define	LIS3DSH_AD_THRS2_2 0x76

#define	LIS3DSH_AD_THRS1_2 0x77

#define	LIS3DSH_AD_DES2 0x78

#define	LIS3DSH_AD_MASK2_B 0x79

#define	LIS3DSH_AD_MASK2_A 0x7A

#define	LIS3DSH_AD_SETT2 0x7B

#define	LIS3DSH_AD_PR2 0x7C

#define	LIS3DSH_AD_TC2_L 0x7D

#define	LIS3DSH_AD_TC2_H 0x7E

#define	LIS3DSH_AD_OUTS2 0x7F

LIS3DSH_CTRL_REG1 register bits definitions
#define	LIS3DSH_CTRL_REG1_MASK 0xE9

#define	LIS3DSH_CTRL_REG1_SM1_EN (1 << 0)

#define	LIS3DSH_CTRL_REG1_SM1_PIN (1 << 3)

#define	LIS3DSH_CTRL_REG1_HYST0_1 (1 << 5)

#define	LIS3DSH_CTRL_REG1_HYST1_1 (1 << 6)

#define	LIS3DSH_CTRL_REG1_HYST2_1 (1 << 7)

LIS3DSH_CTRL_REG2 register bits definitions
#define	LIS3DSH_CTRL_REG2_MASK 0xE9

#define	LIS3DSH_CTRL_REG2_SM2_EN (1 << 0)

#define	LIS3DSH_CTRL_REG2_SM2_PIN (1 << 3)

#define	LIS3DSH_CTRL_REG2_HYST0_2 (1 << 5)

#define	LIS3DSH_CTRL_REG2_HYST1_2 (1 << 6)

#define	LIS3DSH_CTRL_REG2_HYST2_2 (1 << 7)

LIS3DSH_CTRL_REG3 register bits definitions
#define	LIS3DSH_CTRL_REG3_MASK 0xFF

#define	LIS3DSH_CTRL_REG3_STRT (1 << 0)

#define	LIS3DSH_CTRL_REG3_VFILT (1 << 2)

#define	LIS3DSH_CTRL_REG3_INT1_EN (1 << 3)

#define	LIS3DSH_CTRL_REG3_INT2_EN (1 << 4)

#define	LIS3DSH_CTRL_REG3_IEL (1 << 5)

#define	LIS3DSH_CTRL_REG3_IEA (1 << 6)

#define	LIS3DSH_CTRL_REG3_DR_EN (1 << 7)

LIS3DSH_CTRL_REG4 register bits definitions
#define	LIS3DSH_CTRL_REG4_MASK 0xFF

#define	LIS3DSH_CTRL_REG4_XEN (1 << 0)

#define	LIS3DSH_CTRL_REG4_YEN (1 << 1)

#define	LIS3DSH_CTRL_REG4_ZEN (1 << 2)

#define	LIS3DSH_CTRL_REG4_BDU (1 << 3)

#define	LIS3DSH_CTRL_REG4_ODR_0 (1 << 4)

#define	LIS3DSH_CTRL_REG4_ODR_1 (1 << 5)

#define	LIS3DSH_CTRL_REG4_ODR_2 (1 << 6)

#define	LIS3DSH_CTRL_REG4_ODR_3 (1 << 7)

LIS3DSH_CTRL_REG5 register bits definitions
#define	LIS3DSH_CTRL_REG5_MASK 0xFF

#define	LIS3DSH_CTRL_REG5_SIM (1 << 0)

#define	LIS3DSH_CTRL_REG5_ST1 (1 << 1)

#define	LIS3DSH_CTRL_REG5_ST2 (1 << 2)

#define	LIS3DSH_CTRL_REG5_FS_MASK 0x38

#define	LIS3DSH_CTRL_REG5_FS0 (1 << 3)

#define	LIS3DSH_CTRL_REG5_FS1 (1 << 4)

#define	LIS3DSH_CTRL_REG5_FS2 (1 << 5)

#define	LIS3DSH_CTRL_REG5_BW1 (1 << 6)

#define	LIS3DSH_CTRL_REG5_BW2 (1 << 7)

LIS3DSH_CTRL_REG6 register bits definitions
#define	LIS3DSH_CTRL_REG6_MASK 0xFF

#define	LIS3DSH_CTRL_REG6_P2_BOOT (1 << 0)

#define	LIS3DSH_CTRL_REG6_P1_OVRUN (1 << 1)

#define	LIS3DSH_CTRL_REG6_P1_WTM (1 << 2)

#define	LIS3DSH_CTRL_REG6_P1_EMPTY (1 << 3)

#define	LIS3DSH_CTRL_REG6_ADD_INC (1 << 4)

#define	LIS3DSH_CTRL_REG6_WTM_EN (1 << 5)

#define	LIS3DSH_CTRL_REG6_FIFO_EN (1 << 6)

#define	LIS3DSH_CTRL_REG6_BOOT (1 << 7)

Configuration options
#define	LIS3DSH_USE_SPI TRUE
	LIS3DSH SPI interface switch. More...

#define	LIS3DSH_SHARED_SPI FALSE
	LIS3DSH shared SPI switch. More...

#define	LIS3DSH_USE_I2C FALSE
	LIS3DSH I2C interface switch. More...

#define	LIS3DSH_SHARED_I2C FALSE
	LIS3DSH shared I2C switch. More...

#define	LIS3DSH_USE_ADVANCED FALSE
	LIS3DSH advanced configurations switch. More...

LIS3DSH data structures and types
Todo: Add support for LIS3DSH over I2C.
typedef struct LIS3DSHDriver	LIS3DSHDriver
	Structure representing a LIS3DSH driver. More...

#define	_lis3dsh_methods_alone
	`LIS3DSH` specific methods. More...

#define	_lis3dsh_methods
	`LIS3DSH` specific methods with inherited ones. More...

#define	_lis3dsh_data
	`LIS3DSHDriver` specific data. More...

Data Structures
struct	LIS3DSHConfig
	LIS3DSH configuration structure. More...

struct	LIS3DSHVMT
	`LIS3DSH` virtual methods table. More...

struct	LIS3DSHDriver
	LIS3DSH 3-axis accelerometer class. More...

Functions
static void	lis3dshSPIReadRegister (SPIDriver spip, uint8_t reg, size_t n, uint8_t b)
	Reads a generic register value using SPI. More...

static void	lis3dshSPIWriteRegister (SPIDriver spip, uint8_t reg, size_t n, uint8_t b)
	Writes a value into a generic register using SPI. More...

static size_t	acc_get_axes_number (void *ip)
	Return the number of axes of the BaseAccelerometer. More...

static msg_t	acc_read_raw (void *ip, int32_t axes[])
	Retrieves raw data from the BaseAccelerometer. More...

static msg_t	acc_read_cooked (void *ip, float axes[])
	Retrieves cooked data from the BaseAccelerometer. More...

static msg_t	acc_set_bias (void ip, float bp)
	Set bias values for the BaseAccelerometer. More...

static msg_t	acc_reset_bias (void *ip)
	Reset bias values for the BaseAccelerometer. More...

static msg_t	acc_set_sensivity (void ip, float sp)
	Set sensitivity values for the BaseAccelerometer. More...

static msg_t	acc_reset_sensivity (void *ip)
	Reset sensitivity values for the BaseAccelerometer. More...

static msg_t	acc_set_full_scale (LIS3DSHDriver *devp, lis3dsh_acc_fs_t fs)
	Changes the LIS3DSHDriver accelerometer fullscale value. More...

void	lis3dshObjectInit (LIS3DSHDriver *devp)
	Initializes an instance. More...

void	lis3dshStart (LIS3DSHDriver devp, const LIS3DSHConfig config)
	Configures and activates LIS3DSH Complex Driver peripheral. More...

void	lis3dshStop (LIS3DSHDriver *devp)
	Deactivates the LIS3DSH Complex Driver peripheral. More...

Macro Definition Documentation

#define EX_LIS3DSH_VERSION "1.1.2"

LIS3DSH driver version string.

Definition at line 46 of file lis3dsh.h.

#define EX_LIS3DSH_MAJOR 1

LIS3DSH driver version major number.

Definition at line 51 of file lis3dsh.h.

#define EX_LIS3DSH_MINOR 1

LIS3DSH driver version minor number.

Definition at line 56 of file lis3dsh.h.

#define EX_LIS3DSH_PATCH 2

LIS3DSH driver version patch number.

Definition at line 61 of file lis3dsh.h.

#define LIS3DSH_ACC_NUMBER_OF_AXES 3U

LIS3DSH accelerometer subsystem characteristics.

Note: Sensitivity is expressed as milli-G/LSB whereas 1 milli-G = 0.00980665 m/s^2.; Bias is expressed as milli-G.

Definition at line 72 of file lis3dsh.h.

Referenced by acc_get_axes_number(), acc_read_cooked(), acc_read_raw(), acc_reset_bias(), acc_reset_sensivity(), acc_set_bias(), acc_set_full_scale(), acc_set_sensivity(), lis3dshObjectInit(), and lis3dshStart().

#define LIS3DSH_USE_SPI TRUE

LIS3DSH SPI interface switch.

If set to TRUE the support for SPI is included.

Note: The default is TRUE.

Definition at line 303 of file lis3dsh.h.

#define LIS3DSH_SHARED_SPI FALSE

LIS3DSH shared SPI switch.

If set to TRUE the device acquires SPI bus ownership on each transaction.

Note: The default is FALSE. Requires SPI_USE_MUTUAL_EXCLUSION.

Definition at line 313 of file lis3dsh.h.

#define LIS3DSH_USE_I2C FALSE

LIS3DSH I2C interface switch.

If set to TRUE the support for I2C is included.

Note: The default is FALSE.

Definition at line 322 of file lis3dsh.h.

#define LIS3DSH_SHARED_I2C FALSE

LIS3DSH shared I2C switch.

If set to TRUE the device acquires I2C bus ownership on each transaction.

Note: The default is FALSE. Requires I2C_USE_MUTUAL_EXCLUSION.

Definition at line 332 of file lis3dsh.h.

#define LIS3DSH_USE_ADVANCED FALSE

LIS3DSH advanced configurations switch.

If set to TRUE more configurations are available.

Note: The default is FALSE.

Definition at line 341 of file lis3dsh.h.

#define _lis3dsh_methods_alone

Value:

/* Change full scale value of LIS3DSH accelerometer subsystem.*/ \

msg_t (*acc_set_full_scale)(LIS3DSHDriver *devp, lis3dsh_acc_fs_t fs);

acc_set_full_scale

static msg_t acc_set_full_scale(LIS302DLDriver *devp, lis302dl_acc_fs_t fs)

Changes the LIS302DLDriver accelerometer fullscale value.

Definition: lis302dl.c:332

lis3dsh_acc_fs_t

LIS3DSH full scale.

Definition: lis3dsh.h:392

LIS3DSHDriver

LIS3DSH 3-axis accelerometer class.

Definition: lis3dsh.h:541

LIS3DSH specific methods.

Definition at line 499 of file lis3dsh.h.

#define _lis3dsh_methods

Value:

_base_object_methods \

_lis3dsh_methods_alone

#define _lis3dsh_methods_alone

LIS3DSH specific methods.

Definition: lis3dsh.h:499

LIS3DSH specific methods with inherited ones.

Definition at line 507 of file lis3dsh.h.

#define _lis3dsh_data

Value:

_base_sensor_data                                                         \
  /* Driver state.*/                                                        \
  lis3dsh_state_t           state;                                          \
  /* Current configuration data.*/                                          \
  const LIS3DSHConfig       *config;                                        \
  /* Accelerometer subsystem axes number.*/                                 \
  size_t                    accaxes;                                        \
  /* Accelerometer subsystem current sensitivity.*/                         \
  float                     accsensitivity[LIS3DSH_ACC_NUMBER_OF_AXES];     \
  /* Accelerometer subsystem current bias .*/                               \
  float                     accbias[LIS3DSH_ACC_NUMBER_OF_AXES];            \
  /* Accelerometer subsystem current full scale value.*/                    \
  float                     accfullscale;

LIS3DSHDriver specific data.

Definition at line 523 of file lis3dsh.h.

#define lis3dshAccelerometerGetAxesNumber ( devp ) accelerometerGetAxesNumber(&((devp)->acc_if))

Return the number of axes of the BaseAccelerometer.

Parameters

[in] devp pointer to LIS3DSHDriver.

Returns: the number of axes.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 563 of file lis3dsh.h.

#define lis3dshAccelerometerReadRaw	(	devp,
		axes
	)	accelerometerReadRaw(&((devp)->acc_if), axes)

Retrieves raw data from the BaseAccelerometer.

Note: This data is retrieved from MEMS register without any algebraical manipulation.; The axes array must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	devp	pointer to `LIS3DSHDriver`.
[out]	axes	a buffer which would be filled with raw data.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	if one or more I2C errors occurred, the errors can be retrieved using `i2cGetErrors()`.
MSG_TIMEOUT	if a timeout occurred before operation end.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 584 of file lis3dsh.h.

#define lis3dshAccelerometerReadCooked	(	devp,
		axes
	)	accelerometerReadCooked(&((devp)->acc_if), axes)

Retrieves cooked data from the BaseAccelerometer.

Note: This data is manipulated according to the formula cooked = (raw * sensitivity) - bias.; Final data is expressed as milli-G.; The axes array must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	devp	pointer to `LIS3DSHDriver`.
[out]	axes	a buffer which would be filled with cooked data.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	if one or more I2C errors occurred, the errors can be retrieved using `i2cGetErrors()`.
MSG_TIMEOUT	if a timeout occurred before operation end.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 606 of file lis3dsh.h.

#define lis3dshAccelerometerSetBias	(	devp,
		bp
	)	accelerometerSetBias(&((devp)->acc_if), bp)

Set bias values for the BaseAccelerometer.

Note: Bias must be expressed as milli-G.; The bias buffer must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	devp	pointer to `LIS3DSHDriver`.
[in]	bp	a buffer which contains biases.

Returns: The operation status.

Return values

MSG_OK if the function succeeded.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 623 of file lis3dsh.h.

#define lis3dshAccelerometerResetBias ( devp ) accelerometerResetBias(&((devp)->acc_if))

Reset bias values for the BaseAccelerometer.

Note: Default biases value are obtained from device datasheet when available otherwise they are considered zero.

Parameters

[in] devp pointer to LIS3DSHDriver.

Returns: The operation status.

Return values

MSG_OK if the function succeeded.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 638 of file lis3dsh.h.

#define lis3dshAccelerometerSetSensitivity	(	devp,
		sp
	)	accelerometerSetSensitivity(&((devp)->acc_if), sp)

Set sensitivity values for the BaseAccelerometer.

Note: Sensitivity must be expressed as milli-G/LSB.; The sensitivity buffer must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	devp	pointer to `LIS3DSHDriver`.
[in]	sp	a buffer which contains sensitivities.

Returns: The operation status.

Return values

MSG_OK if the function succeeded.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 655 of file lis3dsh.h.

#define lis3dshAccelerometerResetSensitivity ( devp ) accelerometerResetSensitivity(&((devp)->acc_if))

Reset sensitivity values for the BaseAccelerometer.

Note: Default sensitivities value are obtained from device datasheet.

Parameters

[in] devp pointer to LIS3DSHDriver.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	otherwise.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 670 of file lis3dsh.h.

#define lis3dshAccelerometerSetFullScale	(	devp,
		fs
	)	(devp)->vmt->acc_set_full_scale(devp, fs)

Changes the LIS3DSHDriver accelerometer fullscale value.

Note: This function also rescale sensitivities and biases based on previous and next fullscale value.; A recalibration is highly suggested after calling this function.

Parameters

[in]	devp	pointer to `LIS3DSHDriver`.
[in]	fs	new fullscale value.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	otherwise.

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 688 of file lis3dsh.h.

Typedef Documentation

typedef struct LIS3DSHDriver LIS3DSHDriver

Structure representing a LIS3DSH driver.

Definition at line 387 of file lis3dsh.h.

Enumeration Type Documentation

enum lis3dsh_acc_fs_t

LIS3DSH full scale.

Enumerator
LIS3DSH_ACC_FS_2G	Full scale �2g.
LIS3DSH_ACC_FS_4G	Full scale �4g.
LIS3DSH_ACC_FS_6G	Full scale �6g.
LIS3DSH_ACC_FS_8G	Full scale �8g.
LIS3DSH_ACC_FS_16G	Full scale �16g.

Definition at line 392 of file lis3dsh.h.

enum lis3dsh_acc_odr_t

LIS3DSH output data rate.

Enumerator
LIS3DSH_ACC_ODR_PD	ODR 100 Hz.
LIS3DSH_ACC_ODR_3_125HZ	ODR 3.125 Hz.
LIS3DSH_ACC_ODR_6_25HZ	ODR 6.25 Hz.
LIS3DSH_ACC_ODR_12_5HZ	ODR 12.5 Hz.
LIS3DSH_ACC_ODR_25HZ	ODR 25 Hz.
LIS3DSH_ACC_ODR_50HZ	ODR 50 Hz.
LIS3DSH_ACC_ODR_100HZ	ODR 100 Hz.
LIS3DSH_ACC_ODR_400HZ	ODR 400 Hz.
LIS3DSH_ACC_ODR_800HZ	ODR 800 Hz.
LIS3DSH_ACC_ODR_1600HZ	ODR 1600 Hz.

Definition at line 403 of file lis3dsh.h.

enum lis3dsh_acc_bw_t

LIS3DSH anti-aliasing bandwidth.

Enumerator
LIS3DSH_ACC_BW_800HZ	AA filter BW 800Hz.
LIS3DSH_ACC_BW_200HZ	AA filter BW 200Hz.
LIS3DSH_ACC_BW_400HZ	AA filter BW 400Hz.
LIS3DSH_ACC_BW_50HZ	AA filter BW 50Hz.

Definition at line 419 of file lis3dsh.h.

enum lis3dsh_acc_bdu_t

LIS3DSH block data update.

Enumerator
LIS3DSH_ACC_BDU_CONTINUOUS	Block data continuously updated.
LIS3DSH_ACC_BDU_BLOCKED	Block data updated after reading.

Definition at line 429 of file lis3dsh.h.

enum lis3dsh_state_t

Driver state machine possible states.

Enumerator
LIS3DSH_UNINIT	Not initialized.
LIS3DSH_STOP	Stopped.
LIS3DSH_READY	Ready.

Definition at line 437 of file lis3dsh.h.

Function Documentation

static void lis3dshSPIReadRegister	(	SPIDriver *	spip,
		uint8_t	reg,
		size_t	n,
		uint8_t *	b
	)

static

Reads a generic register value using SPI.

Precondition: The SPI interface must be initialized and the driver started.

Note: Multiple write/read requires proper settings in CTRL_REG6.

Parameters

[in]	spip	pointer to the SPI interface
[in]	reg	starting register address
[in]	n	number of adjacent registers to write
[in]	b	pointer to a buffer.

Definition at line 60 of file lis3dsh.c.

Referenced by acc_read_raw(), and acc_set_full_scale().

static void lis3dshSPIWriteRegister	(	SPIDriver *	spip,
		uint8_t	reg,
		size_t	n,
		uint8_t *	b
	)

static

Writes a value into a generic register using SPI.

Precondition: The SPI interface must be initialized and the driver started.

Note: Multiple write/read requires proper settings in CTRL_REG6.

Parameters

[in]	spip	pointer to the SPI interface
[in]	reg	starting register address
[in]	n	number of adjacent registers to write
[in]	b	pointer to a buffer of values.

Definition at line 80 of file lis3dsh.c.

Referenced by acc_set_full_scale(), lis3dshStart(), and lis3dshStop().

static size_t acc_get_axes_number ( void * ip )

static

Return the number of axes of the BaseAccelerometer.

Parameters

[in] ip pointer to BaseAccelerometer interface.

Returns: the number of axes.

Definition at line 98 of file lis3dsh.c.

References LIS3DSH_ACC_NUMBER_OF_AXES.

Referenced by acc_set_full_scale().

static msg_t acc_read_raw	(	void *	ip,
		int32_t	axes[]
	)

static

Retrieves raw data from the BaseAccelerometer.

Note: This data is retrieved from MEMS register without any algebraical manipulation.; The axes array must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	ip	pointer to `BaseAccelerometer` interface.
[out]	axes	a buffer which would be filled with raw data.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	if one or more I2C errors occurred, the errors can be retrieved using `i2cGetErrors()`.
MSG_TIMEOUT	if a timeout occurred before operation end.

Definition at line 120 of file lis3dsh.c.

References LIS3DSH_ACC_NUMBER_OF_AXES, LIS3DSH_READY, and lis3dshSPIReadRegister().

Referenced by acc_read_cooked(), and acc_set_full_scale().

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static msg_t acc_read_cooked	(	void *	ip,
		float	axes[]
	)

static

Retrieves cooked data from the BaseAccelerometer.

Note: This data is manipulated according to the formula cooked = (raw * sensitivity) - bias.; Final data is expressed as milli-G.; The axes array must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	ip	pointer to `BaseAccelerometer` interface.
[out]	axes	a buffer which would be filled with cooked data.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	if one or more I2C errors occurred, the errors can be retrieved using `i2cGetErrors()`.
MSG_TIMEOUT	if a timeout occurred before operation end.

Definition at line 176 of file lis3dsh.c.

References acc_read_raw(), LIS3DSH_ACC_NUMBER_OF_AXES, and LIS3DSH_READY.

Referenced by acc_set_full_scale().

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static msg_t acc_set_bias	(	void *	ip,
		float *	bp
	)

static

Set bias values for the BaseAccelerometer.

Note: Bias must be expressed as milli-G.; The bias buffer must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	ip	pointer to `BaseAccelerometer` interface.
[in]	bp	a buffer which contains biases.

Returns: The operation status.

Return values

MSG_OK if the function succeeded.

Definition at line 209 of file lis3dsh.c.

References LIS3DSH_ACC_NUMBER_OF_AXES, and LIS3DSH_READY.

Referenced by acc_set_full_scale().

static msg_t acc_reset_bias ( void * ip )

static

Reset bias values for the BaseAccelerometer.

Note: Default biases value are obtained from device datasheet when available otherwise they are considered zero.

Parameters

[in] ip pointer to BaseAccelerometer interface.

Returns: The operation status.

Return values

MSG_OK if the function succeeded.

Definition at line 238 of file lis3dsh.c.

References LIS3DSH_ACC_NUMBER_OF_AXES, and LIS3DSH_READY.

Referenced by acc_set_full_scale().

static msg_t acc_set_sensivity	(	void *	ip,
		float *	sp
	)

static

Set sensitivity values for the BaseAccelerometer.

Note: Sensitivity must be expressed as milli-G/LSB.; The sensitivity buffer must be at least the same size of the BaseAccelerometer axes number.

Parameters

[in]	ip	pointer to `BaseAccelerometer` interface.
[in]	sp	a buffer which contains sensitivities.

Returns: The operation status.

Return values

MSG_OK if the function succeeded.

Definition at line 268 of file lis3dsh.c.

References LIS3DSH_ACC_NUMBER_OF_AXES, and LIS3DSH_READY.

Referenced by acc_set_full_scale().

static msg_t acc_reset_sensivity ( void * ip )

static

Reset sensitivity values for the BaseAccelerometer.

Note: Default sensitivities value are obtained from device datasheet.

Parameters

[in] ip pointer to BaseAccelerometer interface.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	otherwise.

Definition at line 297 of file lis3dsh.c.

References LIS3DSH_ACC_FS_16G, LIS3DSH_ACC_FS_2G, LIS3DSH_ACC_FS_4G, LIS3DSH_ACC_FS_6G, LIS3DSH_ACC_FS_8G, LIS3DSH_ACC_NUMBER_OF_AXES, and LIS3DSH_READY.

Referenced by acc_set_full_scale().

static msg_t acc_set_full_scale	(	LIS3DSHDriver *	devp,
		lis3dsh_acc_fs_t	fs
	)

static

Changes the LIS3DSHDriver accelerometer fullscale value.

Note: This function also rescale sensitivities and biases based on previous and next fullscale value.; A recalibration is highly suggested after calling this function.

Parameters

[in]	devp	pointer to `LIS3DSHDriver` interface.
[in]	fs	new fullscale value.

Returns: The operation status.

Return values

MSG_OK	if the function succeeded.
MSG_RESET	otherwise.

Definition at line 346 of file lis3dsh.c.

References acc_get_axes_number(), acc_read_cooked(), acc_read_raw(), acc_reset_bias(), acc_reset_sensivity(), acc_set_bias(), acc_set_sensivity(), LIS3DSH_ACC_FS_16G, LIS3DSH_ACC_FS_2G, LIS3DSH_ACC_FS_4G, LIS3DSH_ACC_FS_6G, LIS3DSH_ACC_FS_8G, LIS3DSH_ACC_NUMBER_OF_AXES, LIS3DSH_READY, lis3dshSPIReadRegister(), and lis3dshSPIWriteRegister().

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void lis3dshObjectInit ( LIS3DSHDriver * devp )

Initializes an instance.

Parameters

[out] devp pointer to the LIS3DSHDriver object

Function Class: Initializer, this function just initializes an object and can be invoked before the kernel is initialized.

Definition at line 448 of file lis3dsh.c.

References LIS3DSHDriver::acc_if, LIS3DSH_ACC_NUMBER_OF_AXES, LIS3DSH_STOP, BaseAccelerometer::vmt, and LIS3DSHDriver::vmt.

void lis3dshStart	(	LIS3DSHDriver *	devp,
		const LIS3DSHConfig *	config
	)

Configures and activates LIS3DSH Complex Driver peripheral.

Parameters

[in]	devp	pointer to the `LIS3DSHDriver` object
[in]	config	pointer to the `LIS3DSHConfig` object

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 467 of file lis3dsh.c.

References LIS3DSH_ACC_FS_16G, LIS3DSH_ACC_FS_2G, LIS3DSH_ACC_FS_4G, LIS3DSH_ACC_FS_6G, LIS3DSH_ACC_FS_8G, LIS3DSH_ACC_NUMBER_OF_AXES, LIS3DSH_READY, LIS3DSH_STOP, and lis3dshSPIWriteRegister().

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void lis3dshStop ( LIS3DSHDriver * devp )

Deactivates the LIS3DSH Complex Driver peripheral.

Parameters

[in] devp pointer to the LIS3DSHDriver object

Function Class: Normal API, this function can be invoked by regular system threads but not from within a lock zone.

Definition at line 613 of file lis3dsh.c.

References LIS3DSH_READY, LIS3DSH_STOP, and lis3dshSPIWriteRegister().

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Detailed Description

Macros

Version identification

LIS3DSH communication interfaces related bit masks

LIS3DSH register addresses

LIS3DSH_CTRL_REG1 register bits definitions

LIS3DSH_CTRL_REG2 register bits definitions

LIS3DSH_CTRL_REG3 register bits definitions

LIS3DSH_CTRL_REG4 register bits definitions

LIS3DSH_CTRL_REG5 register bits definitions

LIS3DSH_CTRL_REG6 register bits definitions

Configuration options

LIS3DSH data structures and types

Data Structures

Functions

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation