Device driver for the LIS3DH accelerometer.
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Device driver for the LIS3DH accelerometer.
This driver provides [S]ensor [A]ctuator [U]ber [L]ayer capabilities.
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| file | lis3dh.h |
| | Device driver interface for the LIS3DH accelerometer.
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| file | lis3dh_params.h |
| | Default configuration for LIS3DH devices.
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| int | lis3dh_init (lis3dh_t *dev, const lis3dh_params_t *params) |
| | Initialize a LIS3DH sensor instance.
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| int | lis3dh_read_xyz (const lis3dh_t *dev, lis3dh_data_t *acc_data) |
| | Read 3D acceleration data from the accelerometer.
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| int | lis3dh_read_aux_adc1 (const lis3dh_t *dev, int16_t *out) |
| | Read auxiliary ADC channel 1 data from the accelerometer.
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| int | lis3dh_read_aux_adc2 (const lis3dh_t *dev, int16_t *out) |
| | Read auxiliary ADC channel 2 data from the accelerometer.
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| int | lis3dh_read_aux_adc3 (const lis3dh_t *dev, int16_t *out) |
| | Read auxiliary ADC channel 3 data from the accelerometer.
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| int | lis3dh_set_aux_adc (const lis3dh_t *dev, const uint8_t enable, const uint8_t temperature) |
| | Turn on/off power to the auxiliary ADC in LIS3DH.
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| int | lis3dh_set_axes (const lis3dh_t *dev, const uint8_t axes) |
| | Enable/disable accelerometer axes.
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| int | lis3dh_set_fifo (const lis3dh_t *dev, const uint8_t mode, const uint8_t watermark) |
| | Enable/disable the FIFO.
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| int | lis3dh_set_odr (const lis3dh_t *dev, const uint8_t odr) |
| | Set the output data rate of the sensor.
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| int | lis3dh_set_scale (lis3dh_t *dev, const uint8_t scale) |
| | Set the full scale range of the sensor.
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| int | lis3dh_set_int1 (const lis3dh_t *dev, const uint8_t mode) |
| | Set INT1 pin function.
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| int | lis3dh_get_fifo_level (const lis3dh_t *dev) |
| | Get the current number of elements in the FIFO.
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◆ LIS3DH_ADC_DATA_SIZE
| #define LIS3DH_ADC_DATA_SIZE (2U) |
Length of scalar measurement data in bytes.
Definition at line 645 of file lis3dh.h.
◆ LIS3DH_AXES_X
◆ LIS3DH_AXES_XYZ
Convenience macro for enabling all axes.
Definition at line 226 of file lis3dh.h.
◆ LIS3DH_AXES_Y
◆ LIS3DH_AXES_Z
◆ LIS3DH_CTRL_REG1_LPEN_MASK
| #define LIS3DH_CTRL_REG1_LPEN_MASK (1 << 3) |
Low power mode enable.
Default value: 0
0. normal mode
- low power mode
Definition at line 159 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ODR0_MASK
ODR first bit mask.
Definition at line 137 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ODR1_MASK
ODR second bit mask.
Definition at line 133 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ODR2_MASK
ODR third bit mask.
Definition at line 129 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ODR3_MASK
ODR fourth bit mask.
Definition at line 125 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ODR_MASK
| #define LIS3DH_CTRL_REG1_ODR_MASK |
Value:
#define LIS3DH_CTRL_REG1_ODR2_MASK
ODR third bit mask.
#define LIS3DH_CTRL_REG1_ODR0_MASK
ODR first bit mask.
#define LIS3DH_CTRL_REG1_ODR3_MASK
ODR fourth bit mask.
#define LIS3DH_CTRL_REG1_ODR1_MASK
ODR second bit mask.
Output data rate (ODR) selection bitfield.
Default value: 0000
0000: Power down; Others: Refer to data sheet
- See also
- LIS3DH data sheet Table 25, “Data rate configuration”
Definition at line 147 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ODR_SHIFT
| #define LIS3DH_CTRL_REG1_ODR_SHIFT (4) |
ODR global shift.
Definition at line 121 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_XEN_MASK
X axis enable.
Default value: 1
0. X axis disabled
- X axis enabled
Definition at line 198 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_XEN_SHIFT
| #define LIS3DH_CTRL_REG1_XEN_SHIFT (0) |
X enable bit offset.
Definition at line 189 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_XYZEN_MASK
| #define LIS3DH_CTRL_REG1_XYZEN_MASK |
Value:
#define LIS3DH_CTRL_REG1_YEN_MASK
Y axis enable.
#define LIS3DH_CTRL_REG1_ZEN_MASK
Z axis enable.
#define LIS3DH_CTRL_REG1_XEN_MASK
X axis enable.
X, Y, Z enable bitfield mask.
Definition at line 206 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_XYZEN_SHIFT
| #define LIS3DH_CTRL_REG1_XYZEN_SHIFT (0) |
XYZ enable bitfield offset.
Definition at line 202 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_YEN_MASK
Y axis enable.
Default value: 1
0. Y axis disabled
- Y axis enabled
Definition at line 185 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_YEN_SHIFT
| #define LIS3DH_CTRL_REG1_YEN_SHIFT (1) |
Y enable bit offset.
Definition at line 176 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ZEN_MASK
Z axis enable.
Default value: 1
0. Z axis disabled
- Z axis enabled
Definition at line 172 of file lis3dh.h.
◆ LIS3DH_CTRL_REG1_ZEN_SHIFT
| #define LIS3DH_CTRL_REG1_ZEN_SHIFT (2) |
Z enable bit offset.
Definition at line 163 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_FDS_MASK
| #define LIS3DH_CTRL_REG2_FDS_MASK (1 << 3) |
Filtered data selection.
Default value: 0
0. internal filter bypassed
- data from internal filter sent to output register and FIFO
Definition at line 264 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPCF1_MASK
| #define LIS3DH_CTRL_REG2_HPCF1_MASK (1 << 4) |
High pass filter cut off frequency selection second bit.
Definition at line 255 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPCF2_MASK
| #define LIS3DH_CTRL_REG2_HPCF2_MASK (1 << 5) |
High pass filter cut off frequency selection second bit.
Definition at line 251 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPCLICK_MASK
| #define LIS3DH_CTRL_REG2_HPCLICK_MASK (1 << 2) |
High pass filter enabled for CLICK function.
0. filter bypassed
- filter enabled
Definition at line 271 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPIS1_MASK
| #define LIS3DH_CTRL_REG2_HPIS1_MASK (1 << 0) |
High pass filter enabled for AOI function on interrupt 2, first bit.
0. filter bypassed
- filter enabled
Definition at line 285 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPIS2_MASK
| #define LIS3DH_CTRL_REG2_HPIS2_MASK (1 << 1) |
High pass filter enabled for AOI function on interrupt 2, second bit.
0. filter bypassed
- filter enabled
Definition at line 278 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPM0_MASK
| #define LIS3DH_CTRL_REG2_HPM0_MASK (1 << 6) |
High pass filter mode selection first bit.
Default value: 0
- See also
- Refer to Table 29, "High pass filter mode configuration"
Definition at line 247 of file lis3dh.h.
◆ LIS3DH_CTRL_REG2_HPM1_MASK
| #define LIS3DH_CTRL_REG2_HPM1_MASK (1 << 7) |
High pass filter mode selection second bit.
Default value: 0
- See also
- Refer to Table 29, "High pass filter mode configuration"
Definition at line 239 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_AOI1_MASK
| #define LIS3DH_CTRL_REG3_I1_AOI1_MASK (1 << 6) |
AOI1 interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 309 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_AOI2_MASK
| #define LIS3DH_CTRL_REG3_I1_AOI2_MASK (1 << 5) |
AOI2 interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 318 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_CLICK_MASK
| #define LIS3DH_CTRL_REG3_I1_CLICK_MASK (1 << 7) |
CLICK interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 300 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_DRDY1_MASK
| #define LIS3DH_CTRL_REG3_I1_DRDY1_MASK (1 << 4) |
DRDY1 interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 327 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_DRDY2_MASK
| #define LIS3DH_CTRL_REG3_I1_DRDY2_MASK (1 << 3) |
DRDY2 interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 336 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_OVERRUN_MASK
| #define LIS3DH_CTRL_REG3_I1_OVERRUN_MASK (1 << 1) |
FIFO Overrun interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 354 of file lis3dh.h.
◆ LIS3DH_CTRL_REG3_I1_WTM_MASK
| #define LIS3DH_CTRL_REG3_I1_WTM_MASK (1 << 2) |
FIFO Watermark interrupt on INT1.
Default value 0.
0. Disable
- Enable
Definition at line 345 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_BDU_DISABLE
| #define LIS3DH_CTRL_REG4_BDU_DISABLE (0) |
Block data update (BDU) disable.
Definition at line 377 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_BDU_ENABLE
Block data update (BDU) enable.
Definition at line 373 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_BDU_MASK
| #define LIS3DH_CTRL_REG4_BDU_MASK (1 << 7) |
Block data update (BDU) bit mask.
Default value of BDU: 0
0. continuous update
- output registers not updated until MSB and LSB reading
Definition at line 369 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_BLE_BIG_ENDIAN
Big/little endian big endian mode.
Definition at line 394 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_BLE_LITTLE_ENDIAN
| #define LIS3DH_CTRL_REG4_BLE_LITTLE_ENDIAN (0) |
Big/little endian little endian mode.
Definition at line 390 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_BLE_MASK
| #define LIS3DH_CTRL_REG4_BLE_MASK (1 << 6) |
Big/little endian bit mask.
Default value of BLE: 0.
0. Data LSB @ lower address
- Data MSB @ lower address
Definition at line 386 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_FS0_MASK
| #define LIS3DH_CTRL_REG4_FS0_MASK (1 << 4) |
Full scale selection mask first bit.
Definition at line 402 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_FS1_MASK
| #define LIS3DH_CTRL_REG4_FS1_MASK (1 << 5) |
Full scale selection mask second bit.
Definition at line 398 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_FS_MASK
| #define LIS3DH_CTRL_REG4_FS_MASK |
Value:
#define LIS3DH_CTRL_REG4_FS0_MASK
Full scale selection mask first bit.
#define LIS3DH_CTRL_REG4_FS1_MASK
Full scale selection mask second bit.
Full scale selection mask.
Definition at line 406 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_HR_MASK
| #define LIS3DH_CTRL_REG4_HR_MASK (1 << 3) |
High resolution output mode.
Default value: 0
0. High resolution disable
- High resolution enable
Definition at line 432 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_SCALE_16G
Scale: +/- 16G.
Definition at line 423 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_SCALE_2G
| #define LIS3DH_CTRL_REG4_SCALE_2G (0) |
Scale register value: +/- 2G.
Definition at line 411 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_SCALE_4G
Scale register value: +/- 4G.
Definition at line 415 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_SCALE_8G
Scale register value: +/- 8G.
Definition at line 419 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_SIM_MASK
| #define LIS3DH_CTRL_REG4_SIM_MASK (1 << 0) |
SPI serial interface mode selection.
Default value: 0
0. 4-wire interface
- 3-wire interface
Definition at line 456 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_ST0_MASK
| #define LIS3DH_CTRL_REG4_ST0_MASK (1 << 1) |
Self test enable first bit mask.
Definition at line 447 of file lis3dh.h.
◆ LIS3DH_CTRL_REG4_ST1_MASK
| #define LIS3DH_CTRL_REG4_ST1_MASK (1 << 2) |
Self test enable second bit mask.
Default value of self test: 00
- 00: Self test disabled
- Other: See Table 34
- See also
- Table 34
Definition at line 443 of file lis3dh.h.
◆ LIS3DH_CTRL_REG5_D4D_I1_MASK
| #define LIS3DH_CTRL_REG5_D4D_I1_MASK (1 << 2) |
4D enable
4D detection is enabled on INT1 when 6D bit on INT1_CFG is set to 1.
Definition at line 492 of file lis3dh.h.
◆ LIS3DH_CTRL_REG5_FIFO_EN_MASK
| #define LIS3DH_CTRL_REG5_FIFO_EN_MASK (1 << 6) |
FIFO enable.
Default value: 0
0. FIFO disable
- FIFO enable
Definition at line 474 of file lis3dh.h.
◆ LIS3DH_CTRL_REG5_LIR_I1_MASK
| #define LIS3DH_CTRL_REG5_LIR_I1_MASK (1 << 3) |
Latch interrupt request on INT1.
Latch interrupt request on INT1_SRC register, with INT1_SRC register cleared by reading INT1_SRC itself.
Default value: 0
0. interrupt request not latched
- interrupt request latched
Definition at line 486 of file lis3dh.h.
◆ LIS3DH_CTRL_REG5_REBOOT_MASK
| #define LIS3DH_CTRL_REG5_REBOOT_MASK (1 << 7) |
Reboot memory content.
Default value: 0
0. normal mode
- reboot memory content
Definition at line 465 of file lis3dh.h.
◆ LIS3DH_FIFO_CTRL_REG_FM0_MASK
| #define LIS3DH_FIFO_CTRL_REG_FM0_MASK (1 << 6) |
◆ LIS3DH_FIFO_CTRL_REG_FM1_MASK
| #define LIS3DH_FIFO_CTRL_REG_FM1_MASK (1 << 7) |
◆ LIS3DH_FIFO_CTRL_REG_FM_MASK
| #define LIS3DH_FIFO_CTRL_REG_FM_MASK |
Value: (LIS3DH_FIFO_CTRL_REG_FM1_MASK | \
LIS3DH_FIFO_CTRL_REG_FM0_MASK)
Definition at line 580 of file lis3dh.h.
◆ LIS3DH_FIFO_CTRL_REG_FM_SHIFT
| #define LIS3DH_FIFO_CTRL_REG_FM_SHIFT (6) |
◆ LIS3DH_FIFO_CTRL_REG_FTH0_MASK
| #define LIS3DH_FIFO_CTRL_REG_FTH0_MASK (1 << 0) |
◆ LIS3DH_FIFO_CTRL_REG_FTH1_MASK
| #define LIS3DH_FIFO_CTRL_REG_FTH1_MASK (1 << 1) |
◆ LIS3DH_FIFO_CTRL_REG_FTH2_MASK
| #define LIS3DH_FIFO_CTRL_REG_FTH2_MASK (1 << 2) |
◆ LIS3DH_FIFO_CTRL_REG_FTH3_MASK
| #define LIS3DH_FIFO_CTRL_REG_FTH3_MASK (1 << 3) |
◆ LIS3DH_FIFO_CTRL_REG_FTH4_MASK
| #define LIS3DH_FIFO_CTRL_REG_FTH4_MASK (1 << 4) |
◆ LIS3DH_FIFO_CTRL_REG_FTH_MASK
| #define LIS3DH_FIFO_CTRL_REG_FTH_MASK |
Value: (LIS3DH_FIFO_CTRL_REG_FTH0_MASK | \
LIS3DH_FIFO_CTRL_REG_FTH1_MASK | \
LIS3DH_FIFO_CTRL_REG_FTH2_MASK | \
LIS3DH_FIFO_CTRL_REG_FTH3_MASK | \
LIS3DH_FIFO_CTRL_REG_FTH4_MASK)
Definition at line 589 of file lis3dh.h.
◆ LIS3DH_FIFO_CTRL_REG_FTH_SHIFT
| #define LIS3DH_FIFO_CTRL_REG_FTH_SHIFT (0) |
◆ LIS3DH_FIFO_CTRL_REG_TR_MASK
| #define LIS3DH_FIFO_CTRL_REG_TR_MASK (1 << 5) |
◆ LIS3DH_FIFO_MODE_BYPASS
| #define LIS3DH_FIFO_MODE_BYPASS (0x00 << LIS3DH_FIFO_CTRL_REG_FM_SHIFT) |
FIFO mode: Bypass.
Definition at line 656 of file lis3dh.h.
◆ LIS3DH_FIFO_MODE_FIFO
| #define LIS3DH_FIFO_MODE_FIFO (0x01 << LIS3DH_FIFO_CTRL_REG_FM_SHIFT) |
FIFO mode: FIFO.
Definition at line 660 of file lis3dh.h.
◆ LIS3DH_FIFO_MODE_STREAM
| #define LIS3DH_FIFO_MODE_STREAM (0x02 << LIS3DH_FIFO_CTRL_REG_FM_SHIFT) |
FIFO mode: Stream.
Definition at line 664 of file lis3dh.h.
◆ LIS3DH_FIFO_MODE_STREAM_TO_FIFO
| #define LIS3DH_FIFO_MODE_STREAM_TO_FIFO (0x03 << LIS3DH_FIFO_CTRL_REG_FM_SHIFT) |
FIFO mode: Stream to FIFO.
Definition at line 668 of file lis3dh.h.
◆ LIS3DH_FIFO_SRC_REG_EMPTY_MASK
| #define LIS3DH_FIFO_SRC_REG_EMPTY_MASK (1 << 5) |
◆ LIS3DH_FIFO_SRC_REG_FSS0_MASK
| #define LIS3DH_FIFO_SRC_REG_FSS0_MASK (1 << 0) |
◆ LIS3DH_FIFO_SRC_REG_FSS1_MASK
| #define LIS3DH_FIFO_SRC_REG_FSS1_MASK (1 << 1) |
◆ LIS3DH_FIFO_SRC_REG_FSS2_MASK
| #define LIS3DH_FIFO_SRC_REG_FSS2_MASK (1 << 2) |
◆ LIS3DH_FIFO_SRC_REG_FSS3_MASK
| #define LIS3DH_FIFO_SRC_REG_FSS3_MASK (1 << 3) |
◆ LIS3DH_FIFO_SRC_REG_FSS4_MASK
| #define LIS3DH_FIFO_SRC_REG_FSS4_MASK (1 << 4) |
◆ LIS3DH_FIFO_SRC_REG_FSS_MASK
| #define LIS3DH_FIFO_SRC_REG_FSS_MASK |
Value: (LIS3DH_FIFO_SRC_REG_FSS0_MASK | \
LIS3DH_FIFO_SRC_REG_FSS1_MASK | \
LIS3DH_FIFO_SRC_REG_FSS2_MASK | \
LIS3DH_FIFO_SRC_REG_FSS3_MASK | \
LIS3DH_FIFO_SRC_REG_FSS4_MASK)
Definition at line 609 of file lis3dh.h.
◆ LIS3DH_FIFO_SRC_REG_FSS_SHIFT
| #define LIS3DH_FIFO_SRC_REG_FSS_SHIFT (0) |
◆ LIS3DH_FIFO_SRC_REG_OVRN_FIFO_MASK
| #define LIS3DH_FIFO_SRC_REG_OVRN_FIFO_MASK (1 << 6) |
◆ LIS3DH_FIFO_SRC_REG_WTM_MASK
| #define LIS3DH_FIFO_SRC_REG_WTM_MASK (1 << 7) |
◆ LIS3DH_ODR_100Hz
◆ LIS3DH_ODR_10Hz
◆ LIS3DH_ODR_1Hz
◆ LIS3DH_ODR_200Hz
◆ LIS3DH_ODR_25Hz
◆ LIS3DH_ODR_400Hz
◆ LIS3DH_ODR_50Hz
◆ LIS3DH_ODR_LP1600Hz
Low power 1600Hz mode.
Definition at line 712 of file lis3dh.h.
◆ LIS3DH_ODR_LP5000HZ
Low power mode 5000 Hz.
- Note
- Normal mode 1250 Hz and Low power mode 5000 Hz share the same setting
Definition at line 722 of file lis3dh.h.
◆ LIS3DH_ODR_NP1250Hz
Normal mode 1250 Hz.
- Note
- Normal mode 1250 Hz and Low power mode 5000 Hz share the same setting
Definition at line 717 of file lis3dh.h.
◆ LIS3DH_ODR_POWERDOWN
Powerdown mode.
Definition at line 680 of file lis3dh.h.
◆ LIS3DH_REG_CLICK_CFG
| #define LIS3DH_REG_CLICK_CFG (0x38) |
◆ LIS3DH_REG_CLICK_SRC
| #define LIS3DH_REG_CLICK_SRC (0x39) |
◆ LIS3DH_REG_CLICK_THS
| #define LIS3DH_REG_CLICK_THS (0x3A) |
◆ LIS3DH_REG_CTRL_REG1
| #define LIS3DH_REG_CTRL_REG1 (0x20) |
◆ LIS3DH_REG_CTRL_REG2
| #define LIS3DH_REG_CTRL_REG2 (0x21) |
◆ LIS3DH_REG_CTRL_REG3
| #define LIS3DH_REG_CTRL_REG3 (0x22) |
◆ LIS3DH_REG_CTRL_REG4
| #define LIS3DH_REG_CTRL_REG4 (0x23) |
◆ LIS3DH_REG_CTRL_REG5
| #define LIS3DH_REG_CTRL_REG5 (0x24) |
◆ LIS3DH_REG_CTRL_REG6
| #define LIS3DH_REG_CTRL_REG6 (0x25) |
◆ LIS3DH_REG_FIFO_CTRL_REG
| #define LIS3DH_REG_FIFO_CTRL_REG (0x2E) |
◆ LIS3DH_REG_FIFO_SRC_REG
| #define LIS3DH_REG_FIFO_SRC_REG (0x2F) |
◆ LIS3DH_REG_INT1_CFG
| #define LIS3DH_REG_INT1_CFG (0x30) |
◆ LIS3DH_REG_INT1_DURATION
| #define LIS3DH_REG_INT1_DURATION (0x33) |
◆ LIS3DH_REG_INT1_SOURCE
| #define LIS3DH_REG_INT1_SOURCE (0x31) |
◆ LIS3DH_REG_INT1_THS
| #define LIS3DH_REG_INT1_THS (0x32) |
◆ LIS3DH_REG_INT_COUNTER_REG
| #define LIS3DH_REG_INT_COUNTER_REG (0x0E) |
◆ LIS3DH_REG_OUT_AUX_ADC1_H
| #define LIS3DH_REG_OUT_AUX_ADC1_H (0x09) |
◆ LIS3DH_REG_OUT_AUX_ADC1_L
| #define LIS3DH_REG_OUT_AUX_ADC1_L (0x08) |
◆ LIS3DH_REG_OUT_AUX_ADC2_H
| #define LIS3DH_REG_OUT_AUX_ADC2_H (0x0B) |
◆ LIS3DH_REG_OUT_AUX_ADC2_L
| #define LIS3DH_REG_OUT_AUX_ADC2_L (0x0A) |
◆ LIS3DH_REG_OUT_AUX_ADC3_H
| #define LIS3DH_REG_OUT_AUX_ADC3_H (0x0D) |
◆ LIS3DH_REG_OUT_AUX_ADC3_L
| #define LIS3DH_REG_OUT_AUX_ADC3_L (0x0C) |
◆ LIS3DH_REG_OUT_X_H
| #define LIS3DH_REG_OUT_X_H (0x29) |
◆ LIS3DH_REG_OUT_X_L
| #define LIS3DH_REG_OUT_X_L (0x28) |
◆ LIS3DH_REG_OUT_Y_H
| #define LIS3DH_REG_OUT_Y_H (0x2B) |
◆ LIS3DH_REG_OUT_Y_L
| #define LIS3DH_REG_OUT_Y_L (0x2A) |
◆ LIS3DH_REG_OUT_Z_H
| #define LIS3DH_REG_OUT_Z_H (0x2D) |
◆ LIS3DH_REG_OUT_Z_L
| #define LIS3DH_REG_OUT_Z_L (0x2C) |
◆ LIS3DH_REG_REFERENCE
| #define LIS3DH_REG_REFERENCE (0x26) |
◆ LIS3DH_REG_STATUS_AUX
| #define LIS3DH_REG_STATUS_AUX (0x07) |
◆ LIS3DH_REG_STATUS_REG
| #define LIS3DH_REG_STATUS_REG (0x27) |
◆ LIS3DH_REG_TEMP_CFG_REG
| #define LIS3DH_REG_TEMP_CFG_REG (0x1F) |
◆ LIS3DH_REG_TIME_LATENCY
| #define LIS3DH_REG_TIME_LATENCY (0x3C) |
◆ LIS3DH_REG_TIME_LIMIT
| #define LIS3DH_REG_TIME_LIMIT (0x3B) |
◆ LIS3DH_REG_TIME_WINDOW
| #define LIS3DH_REG_TIME_WINDOW (0x3D) |
◆ LIS3DH_REG_WHO_AM_I
| #define LIS3DH_REG_WHO_AM_I (0x0F) |
◆ LIS3DH_SPI_ADDRESS_MASK
| #define LIS3DH_SPI_ADDRESS_MASK (0x3F) |
Mask of the address bits in the address byte during transfers.
Definition at line 639 of file lis3dh.h.
◆ LIS3DH_SPI_MULTI_MASK
| #define LIS3DH_SPI_MULTI_MASK (1 << 6) |
Multi byte transfers must assert this bit when writing the address.
Definition at line 631 of file lis3dh.h.
◆ LIS3DH_SPI_READ_MASK
| #define LIS3DH_SPI_READ_MASK (1 << 7) |
The READ bit must be set when reading.
Definition at line 627 of file lis3dh.h.
◆ LIS3DH_SPI_SINGLE_MASK
| #define LIS3DH_SPI_SINGLE_MASK (0 << 6) |
Opposite of LIS3DH_SPI_MULTI_MASK.
Definition at line 635 of file lis3dh.h.
◆ LIS3DH_SPI_WRITE_MASK
| #define LIS3DH_SPI_WRITE_MASK (0 << 7) |
Write to register.
Definition at line 623 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_XDA_MASK
| #define LIS3DH_STATUS_REG_XDA_MASK (1 << 0) |
X axis new data available.
Default value: 0
0. a new data for the X-axis is not yet available
- a new data for the X-axis is available
Definition at line 570 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_XOR_MASK
| #define LIS3DH_STATUS_REG_XOR_MASK (1 << 4) |
X axis data overrun.
Default value: 0
0. no overrun has occurred
- a new data for the X-axis has overwritten the previous one
Definition at line 534 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_YDA_MASK
| #define LIS3DH_STATUS_REG_YDA_MASK (1 << 1) |
Y axis new data available.
Default value: 0
0. a new data for the Y-axis is not yet available
- a new data for the Y-axis is available
Definition at line 561 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_YOR_MASK
| #define LIS3DH_STATUS_REG_YOR_MASK (1 << 5) |
Y axis data overrun.
Default value: 0
0. no overrun has occurred
- a new data for the Y-axis has overwritten the previous one
Definition at line 525 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_ZDA_MASK
| #define LIS3DH_STATUS_REG_ZDA_MASK (1 << 2) |
Z axis new data available.
Default value: 0
0. a new data for the Z-axis is not yet available
- a new data for the Z-axis is available
Definition at line 552 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_ZOR_MASK
| #define LIS3DH_STATUS_REG_ZOR_MASK (1 << 6) |
Z axis data overrun.
Default value: 0
0. no overrun has occurred
- a new data for the Z-axis has overwritten the previous one
Definition at line 516 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_ZYXDA_MASK
| #define LIS3DH_STATUS_REG_ZYXDA_MASK (1 << 3) |
X, Y or Z axis new data available.
Default value: 0
0. a new set of data is not yet available
- a new set of data is available
Definition at line 543 of file lis3dh.h.
◆ LIS3DH_STATUS_REG_ZYXOR_MASK
| #define LIS3DH_STATUS_REG_ZYXOR_MASK (1 << 7) |
X, Y or Z axis data overrun.
Default value: 0
0. no overrun has occurred
- a new set of data has overwritten the previous ones
Definition at line 507 of file lis3dh.h.
◆ LIS3DH_TEMP_CFG_REG_ADC_PD_MASK
| #define LIS3DH_TEMP_CFG_REG_ADC_PD_MASK (1 << 7) |
ADC enable.
Default value: 0
0: ADC disabled; 1: ADC enabled
Definition at line 103 of file lis3dh.h.
◆ LIS3DH_TEMP_CFG_REG_TEMP_EN_MASK
| #define LIS3DH_TEMP_CFG_REG_TEMP_EN_MASK (1 << 6) |
Temperature sensor (T) enable.
Default value: 0
0: T disabled; 1: T enabled
Definition at line 111 of file lis3dh.h.
◆ LIS3DH_WHO_AM_I_RESPONSE
| #define LIS3DH_WHO_AM_I_RESPONSE (0x33) |
Identifier register value.
The WHO_AM_I register should contain this value in order to correctly identify the chip.
Definition at line 43 of file lis3dh.h.
◆ lis3dh_get_fifo_level()
| int lis3dh_get_fifo_level |
( |
const lis3dh_t * |
dev | ) |
|
Get the current number of elements in the FIFO.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
- Returns
- number of elements in device FIFO on success
-
-1 on error
◆ lis3dh_init()
Initialize a LIS3DH sensor instance.
- Parameters
-
| [in] | dev | Device descriptor of sensor to initialize |
| [in] | params | Configuration parameters |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_read_aux_adc1()
| int lis3dh_read_aux_adc1 |
( |
const lis3dh_t * |
dev, |
|
|
int16_t * |
out |
|
) |
| |
Read auxiliary ADC channel 1 data from the accelerometer.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [out] | out | The value of ADC1 (OUT_1_{L,H}) will be written to this buffer |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_read_aux_adc2()
| int lis3dh_read_aux_adc2 |
( |
const lis3dh_t * |
dev, |
|
|
int16_t * |
out |
|
) |
| |
Read auxiliary ADC channel 2 data from the accelerometer.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [out] | out | The value of ADC2 (OUT_2_{L,H}) will be written to this buffer |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_read_aux_adc3()
| int lis3dh_read_aux_adc3 |
( |
const lis3dh_t * |
dev, |
|
|
int16_t * |
out |
|
) |
| |
Read auxiliary ADC channel 3 data from the accelerometer.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [out] | out | The value of ADC3 (OUT_3_{L,H}) will be written to this buffer |
- Note
- The internal temperature sensor is connected to the third channel on the auxiliary ADC when the TEMP_EN bit of TEMP_CFG_REG is set.
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_read_xyz()
Read 3D acceleration data from the accelerometer.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [out] | acc_data | Accelerometer data output buffer |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_set_aux_adc()
| int lis3dh_set_aux_adc |
( |
const lis3dh_t * |
dev, |
|
|
const uint8_t |
enable, |
|
|
const uint8_t |
temperature |
|
) |
| |
Turn on/off power to the auxiliary ADC in LIS3DH.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [in] | enable | Power state of the auxiliary ADC |
| [in] | temperature | If not zero, switch the ADC mux so that a temperature reading is available on OUT_3_L, OUT_3_H. |
- Note
- This ADC is only used for the temperature reading and the external ADC pins. The accelerometer ADC is turned on by lis3dh_set_odr().
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_set_axes()
| int lis3dh_set_axes |
( |
const lis3dh_t * |
dev, |
|
|
const uint8_t |
axes |
|
) |
| |
Enable/disable accelerometer axes.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [in] | axes | An OR-ed combination of LIS3DH_AXES_X, LIS3DH_AXES_Y, LIS3DH_AXES_Z. |
- Note
- The macro LIS3DH_AXES_XYZ is a convenience shortcut to enable all axes.
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_set_fifo()
| int lis3dh_set_fifo |
( |
const lis3dh_t * |
dev, |
|
|
const uint8_t |
mode, |
|
|
const uint8_t |
watermark |
|
) |
| |
Enable/disable the FIFO.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [in] | mode | FIFO mode, see data sheet for details. |
| [in] | watermark | Watermark level for FIFO level interrupts |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_set_int1()
| int lis3dh_set_int1 |
( |
const lis3dh_t * |
dev, |
|
|
const uint8_t |
mode |
|
) |
| |
Set INT1 pin function.
Set the bits of CTRL_REG3 for choosing sources for the INT1 pin.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [in] | mode | CTRL_REG3 value, see data sheet for details. |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_set_odr()
| int lis3dh_set_odr |
( |
const lis3dh_t * |
dev, |
|
|
const uint8_t |
odr |
|
) |
| |
Set the output data rate of the sensor.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [in] | odr | Chosen output data rate. |
- Returns
- 0 on success
-
-1 on error
◆ lis3dh_set_scale()
| int lis3dh_set_scale |
( |
lis3dh_t * |
dev, |
|
|
const uint8_t |
scale |
|
) |
| |
Set the full scale range of the sensor.
Valid values for scale are 2, 4, 8, 16 and represents the full range of the sensor.
- Parameters
-
| [in] | dev | Device descriptor of sensor |
| [in] | scale | The chosen sensitivity scale. |
- Returns
- 0 on success
-
-1 on error
1.9.8