Register and bit definitions for the ADXL345. More...

Detailed Description

Register and bit definitions for the ADXL345.

Author: Dylan Laduranty dylan.nosp@m..lad.nosp@m.urant.nosp@m.y@me.nosp@m.sotic.nosp@m..com

Register addresses
#define	ADXL345_CHIP_ID_REG (0x00)
	Device ID.

#define	ADXL345_THRESH_TAP (0x1D)
	Tap threshold.

#define	ADXL345_OFFSET_X (0x1E)
	X-axis offset.

#define	ADXL345_OFFSET_Y (0x1F)
	Y-axis offset.

#define	ADXL345_OFFSET_Z (0x20)
	Z-axis offset.

#define	ADXL345_TAP_DUR (0x21)
	Tap duration.

#define	ADXL345_TAP_LAT (0x22)
	Tap latency.

#define	ADXL345_TAP_WIN (0x23)
	Tap window.

#define	ADXL345_THRESH_ACT (0x24)
	Activity threshold.

#define	ADXL345_THRESH_INACT (0x25)
	Inactivity threshold.

#define	ADXL345_TIME_INACT (0x26)
	Inactivity time.

#define	ADXL345_ACT_INACT_CTL (0x27)
	Axis enable control for activity and inactivity detection.

#define	ADXL345_THRESH_FF (0x28)
	Free-fall threshold.

#define	ADXL345_TIME_FF (0x29)
	Free-fall time.

#define	ADXL345_TAP_AXES (0x2A)
	Axis control for single tap/double tap.

#define	ADXL345_ACT_TAP_STATUS (0x2B)
	Source of single tap/double tap.

#define	ADXL345_BW_RATE (0x2C)
	Data rate and power mode control.

#define	ADXL345_POWER_CTL (0x2D)
	Power-saving features control.

#define	ADXL345_INT_ENABLE (0x2E)
	Interrupt enable control.

#define	ADXL345_INT_MAP (0x2F)
	Interrupt mapping control.

#define	ADXL345_INT_SOURCE (0x30)
	Source of interrupts.

#define	ADXL345_DATA_FORMAT (0x31)
	Data format control.

#define	ADXL345_DATA_X0 (0x32)
	X-Axis Data 0.

#define	ADXL345_DATA_X1 (0x33)
	X-Axis Data 1.

#define	ADXL345_DATA_Y0 (0x34)
	Y-Axis Data 0.

#define	ADXL345_DATA_Y1 (0x35)
	Y-Axis Data 1.

#define	ADXL345_DATA_Z0 (0x36)
	Z-Axis Data 0.

#define	ADXL345_DATA_Z1 (0x37)
	Z-Axis Data 1.

#define	ADXL345_FIFO_CTL (0x38)
	FIFO control.

#define	ADXL345_FIFO_STATUS (0x39)
	FIFO status.

Device ID for ADXL345
#define	ADXL345_CHIP_ID (0xE5)

Resolution masks for output data
#define	ADXL345_RES_10_BITS (0x03FF)

#define	ADXL345_RES_11_BITS (0x07FF)

#define	ADXL345_RES_12_BITS (0x0FFF)

#define	ADXL345_RES_13_BITS (0x1FFF)

bits definitions for ACT_INACT_CTL register
#define	ADXL345_INACT_Z_ENABLE (1 << 0)

#define	ADXL345_INACT_Y_ENABLE (1 << 1)

#define	ADXL345_INACT_X_ENABLE (1 << 2)

#define	ADXL345_INACT_ACDC (1 << 3)

#define	ADXL345_ACT_Z_ENABLE (1 << 4)

#define	ADXL345_ACT_Y_ENABLE (1 << 5)

#define	ADXL345_ACT_X_ENABLE (1 << 6)

#define	ADXL345_ACT_ACDC (1 << 7)

bits definitions for TAP_AXES register
#define	ADXL345_TAP_Z_ENABLE (1 << 0)

#define	ADXL345_TAP_Y_ENABLE (1 << 1)

#define	ADXL345_TAP_X_ENABLE (1 << 2)

#define	ADXL345_SUPPRESS (1 << 3)

#define	ADXL345_TAP_ALL_ENABLE

bits definitions for ACT_TAP_STATUS register
#define	ADXL345_TAP_Z_SRC (1 << 0)

#define	ADXL345_TAP_Y_SRC (1 << 1)

#define	ADXL345_TAP_X_SRC (1 << 2)

#define	ADXL345_ASLEEP (1 << 3)

#define	ADXL345_ACT_Z_SRC (1 << 4)

#define	ADXL345_ACT_Y_SRC (1 << 5)

#define	ADXL345_ACT_X_SRC (1 << 6)

bits definitions for BW_RATE register
#define	ADXL345_RATE_MASK (0x0F)

#define	ADXL345_LOWPOWER (1 << 4)

bits definitions for PWR_CTL register
#define	ADXL345_WAKEUP_8HZ (0x00)

#define	ADXL345_WAKEUP_4HZ (0x01)

#define	ADXL345_WAKEUP_2HZ (0x02)

#define	ADXL345_WAKEUP_1HZ (0x03)

#define	ADXL345_SLEEP_BIT (1 << 2)

#define	ADXL345_MEASURE_BIT (1 << 3)

#define	ADXL345_AUTOSLEEP_BIT (1 << 4)

#define	ADXL345_LINK_BIT (1 << 5)

interrupts pins definitions for INT_ENABLE, INT_MAP and INT_SOURCE
registers
#define	ADXL345_OVERRUN (1 << 0)

#define	ADXL345_WATERMARK (1 << 1)

#define	ADXL345_FREEFALL (1 << 2)

#define	ADXL345_INACTIVITY (1 << 3)

#define	ADXL345_ACTIVITY (1 << 4)

#define	ADXL345_DOUBLE_TAP (1 << 5)

#define	ADXL345_SINGLE_TAP (1 << 6)

#define	ADXL345_DATA_READY (1 << 7)

bits definitions for DATA_FORMAT register
#define	ADXL345_RANGE_MASK (0x03)

#define	ADXL345_JUSTIFY (1 << 2)

#define	ADXL345_FULL_RES (1 << 3)

#define	ADXL345_INT_INVERT (1 << 5)

#define	ADXL345_SPI_BIT (1 << 6)

#define	ADXL345_SELF_TEST (1 << 7)

bits definitions for FIFO_CTL register
#define	ADXL345_SAMPLES_MASK (0x0F)

#define	ADXL345_FIFO_TRIGGER_POS (4)

#define	ADXL345_FIFO_TRIGGER (1 << ADXL345_FIFO_TRIGGER_POS)

#define	ADXL345_FIFO_MODE_POS (6)

#define	ADXL345_FIFO_MODE_MASK (0xC0)

bits definitions for FIFO_STATUS register
#define	ADXL345_FIFO_ENTRIES_MASK (0x3F)

#define	ADXL345_FIFO_TRIG (1 << 7)

Macro Definition Documentation

◆ ADXL345_ACT_ACDC

#define ADXL345_ACT_ACDC (1 << 7)

Definition at line 90 of file adxl345_regs.h.

◆ ADXL345_ACT_INACT_CTL

#define ADXL345_ACT_INACT_CTL (0x27)

Axis enable control for activity and inactivity detection.

Definition at line 41 of file adxl345_regs.h.

◆ ADXL345_ACT_TAP_STATUS

#define ADXL345_ACT_TAP_STATUS (0x2B)

Source of single tap/double tap.

Definition at line 45 of file adxl345_regs.h.

◆ ADXL345_ACT_X_ENABLE

#define ADXL345_ACT_X_ENABLE (1 << 6)

Definition at line 89 of file adxl345_regs.h.

◆ ADXL345_ACT_X_SRC

#define ADXL345_ACT_X_SRC (1 << 6)

Definition at line 116 of file adxl345_regs.h.

◆ ADXL345_ACT_Y_ENABLE

#define ADXL345_ACT_Y_ENABLE (1 << 5)

Definition at line 88 of file adxl345_regs.h.

◆ ADXL345_ACT_Y_SRC

#define ADXL345_ACT_Y_SRC (1 << 5)

Definition at line 115 of file adxl345_regs.h.

◆ ADXL345_ACT_Z_ENABLE

#define ADXL345_ACT_Z_ENABLE (1 << 4)

Definition at line 87 of file adxl345_regs.h.

◆ ADXL345_ACT_Z_SRC

#define ADXL345_ACT_Z_SRC (1 << 4)

Definition at line 114 of file adxl345_regs.h.

◆ ADXL345_ACTIVITY

#define ADXL345_ACTIVITY (1 << 4)

Definition at line 150 of file adxl345_regs.h.

◆ ADXL345_ASLEEP

#define ADXL345_ASLEEP (1 << 3)

Definition at line 113 of file adxl345_regs.h.

◆ ADXL345_AUTOSLEEP_BIT

#define ADXL345_AUTOSLEEP_BIT (1 << 4)

Definition at line 137 of file adxl345_regs.h.

◆ ADXL345_BW_RATE

#define ADXL345_BW_RATE (0x2C)

Data rate and power mode control.

Definition at line 46 of file adxl345_regs.h.

◆ ADXL345_CHIP_ID

#define ADXL345_CHIP_ID (0xE5)

Definition at line 66 of file adxl345_regs.h.

◆ ADXL345_CHIP_ID_REG

#define ADXL345_CHIP_ID_REG (0x00)

Device ID.

Definition at line 30 of file adxl345_regs.h.

◆ ADXL345_DATA_FORMAT

#define ADXL345_DATA_FORMAT (0x31)

Data format control.

Definition at line 51 of file adxl345_regs.h.

◆ ADXL345_DATA_READY

#define ADXL345_DATA_READY (1 << 7)

Definition at line 153 of file adxl345_regs.h.

◆ ADXL345_DATA_X0

#define ADXL345_DATA_X0 (0x32)

X-Axis Data 0.

Definition at line 52 of file adxl345_regs.h.

◆ ADXL345_DATA_X1

#define ADXL345_DATA_X1 (0x33)

X-Axis Data 1.

Definition at line 53 of file adxl345_regs.h.

◆ ADXL345_DATA_Y0

#define ADXL345_DATA_Y0 (0x34)

Y-Axis Data 0.

Definition at line 54 of file adxl345_regs.h.

◆ ADXL345_DATA_Y1

#define ADXL345_DATA_Y1 (0x35)

Y-Axis Data 1.

Definition at line 55 of file adxl345_regs.h.

◆ ADXL345_DATA_Z0

#define ADXL345_DATA_Z0 (0x36)

Z-Axis Data 0.

Definition at line 56 of file adxl345_regs.h.

◆ ADXL345_DATA_Z1

#define ADXL345_DATA_Z1 (0x37)

Z-Axis Data 1.

Definition at line 57 of file adxl345_regs.h.

◆ ADXL345_DOUBLE_TAP

#define ADXL345_DOUBLE_TAP (1 << 5)

Definition at line 151 of file adxl345_regs.h.

◆ ADXL345_FIFO_CTL

#define ADXL345_FIFO_CTL (0x38)

FIFO control.

Definition at line 58 of file adxl345_regs.h.

◆ ADXL345_FIFO_ENTRIES_MASK

#define ADXL345_FIFO_ENTRIES_MASK (0x3F)

Definition at line 183 of file adxl345_regs.h.

◆ ADXL345_FIFO_MODE_MASK

#define ADXL345_FIFO_MODE_MASK (0xC0)

Definition at line 176 of file adxl345_regs.h.

◆ ADXL345_FIFO_MODE_POS

#define ADXL345_FIFO_MODE_POS (6)

Definition at line 175 of file adxl345_regs.h.

◆ ADXL345_FIFO_STATUS

#define ADXL345_FIFO_STATUS (0x39)

FIFO status.

Definition at line 59 of file adxl345_regs.h.

◆ ADXL345_FIFO_TRIG

#define ADXL345_FIFO_TRIG (1 << 7)

Definition at line 184 of file adxl345_regs.h.

◆ ADXL345_FIFO_TRIGGER

#define ADXL345_FIFO_TRIGGER (1 << ADXL345_FIFO_TRIGGER_POS)

Definition at line 174 of file adxl345_regs.h.

◆ ADXL345_FIFO_TRIGGER_POS

#define ADXL345_FIFO_TRIGGER_POS (4)

Definition at line 173 of file adxl345_regs.h.

◆ ADXL345_FREEFALL

#define ADXL345_FREEFALL (1 << 2)

Definition at line 148 of file adxl345_regs.h.

◆ ADXL345_FULL_RES

#define ADXL345_FULL_RES (1 << 3)

Definition at line 162 of file adxl345_regs.h.

◆ ADXL345_INACT_ACDC

#define ADXL345_INACT_ACDC (1 << 3)

Definition at line 86 of file adxl345_regs.h.

◆ ADXL345_INACT_X_ENABLE

#define ADXL345_INACT_X_ENABLE (1 << 2)

Definition at line 85 of file adxl345_regs.h.

◆ ADXL345_INACT_Y_ENABLE

#define ADXL345_INACT_Y_ENABLE (1 << 1)

Definition at line 84 of file adxl345_regs.h.

◆ ADXL345_INACT_Z_ENABLE

#define ADXL345_INACT_Z_ENABLE (1 << 0)

Definition at line 83 of file adxl345_regs.h.

◆ ADXL345_INACTIVITY

#define ADXL345_INACTIVITY (1 << 3)

Definition at line 149 of file adxl345_regs.h.

◆ ADXL345_INT_ENABLE

#define ADXL345_INT_ENABLE (0x2E)

Interrupt enable control.

Definition at line 48 of file adxl345_regs.h.

◆ ADXL345_INT_INVERT

#define ADXL345_INT_INVERT (1 << 5)

Definition at line 163 of file adxl345_regs.h.

◆ ADXL345_INT_MAP

#define ADXL345_INT_MAP (0x2F)

Interrupt mapping control.

Definition at line 49 of file adxl345_regs.h.

◆ ADXL345_INT_SOURCE

#define ADXL345_INT_SOURCE (0x30)

Source of interrupts.

Definition at line 50 of file adxl345_regs.h.

◆ ADXL345_JUSTIFY

#define ADXL345_JUSTIFY (1 << 2)

Definition at line 161 of file adxl345_regs.h.

◆ ADXL345_LINK_BIT

#define ADXL345_LINK_BIT (1 << 5)

Definition at line 138 of file adxl345_regs.h.

◆ ADXL345_LOWPOWER

#define ADXL345_LOWPOWER (1 << 4)

Definition at line 124 of file adxl345_regs.h.

◆ ADXL345_MEASURE_BIT

#define ADXL345_MEASURE_BIT (1 << 3)

Definition at line 136 of file adxl345_regs.h.

◆ ADXL345_OFFSET_X

#define ADXL345_OFFSET_X (0x1E)

X-axis offset.

Definition at line 32 of file adxl345_regs.h.

◆ ADXL345_OFFSET_Y

#define ADXL345_OFFSET_Y (0x1F)

Y-axis offset.

Definition at line 33 of file adxl345_regs.h.

◆ ADXL345_OFFSET_Z

#define ADXL345_OFFSET_Z (0x20)

Z-axis offset.

Definition at line 34 of file adxl345_regs.h.

◆ ADXL345_OVERRUN

#define ADXL345_OVERRUN (1 << 0)

Definition at line 146 of file adxl345_regs.h.

◆ ADXL345_POWER_CTL

#define ADXL345_POWER_CTL (0x2D)

Power-saving features control.

Definition at line 47 of file adxl345_regs.h.

◆ ADXL345_RANGE_MASK

#define ADXL345_RANGE_MASK (0x03)

Definition at line 160 of file adxl345_regs.h.

◆ ADXL345_RATE_MASK

#define ADXL345_RATE_MASK (0x0F)

Definition at line 123 of file adxl345_regs.h.

◆ ADXL345_RES_10_BITS

#define ADXL345_RES_10_BITS (0x03FF)

Definition at line 73 of file adxl345_regs.h.

◆ ADXL345_RES_11_BITS

#define ADXL345_RES_11_BITS (0x07FF)

Definition at line 74 of file adxl345_regs.h.

◆ ADXL345_RES_12_BITS

#define ADXL345_RES_12_BITS (0x0FFF)

Definition at line 75 of file adxl345_regs.h.

◆ ADXL345_RES_13_BITS

#define ADXL345_RES_13_BITS (0x1FFF)

Definition at line 76 of file adxl345_regs.h.

◆ ADXL345_SAMPLES_MASK

#define ADXL345_SAMPLES_MASK (0x0F)

Definition at line 172 of file adxl345_regs.h.

◆ ADXL345_SELF_TEST

#define ADXL345_SELF_TEST (1 << 7)

Definition at line 165 of file adxl345_regs.h.

◆ ADXL345_SINGLE_TAP

#define ADXL345_SINGLE_TAP (1 << 6)

Definition at line 152 of file adxl345_regs.h.

◆ ADXL345_SLEEP_BIT

#define ADXL345_SLEEP_BIT (1 << 2)

Definition at line 135 of file adxl345_regs.h.

◆ ADXL345_SPI_BIT

#define ADXL345_SPI_BIT (1 << 6)

Definition at line 164 of file adxl345_regs.h.

◆ ADXL345_SUPPRESS

#define ADXL345_SUPPRESS (1 << 3)

Definition at line 100 of file adxl345_regs.h.

◆ ADXL345_TAP_ALL_ENABLE

#define ADXL345_TAP_ALL_ENABLE

Value:

                                   (ADXL345_TAP_Z_ENABLE | \
                                   ADXL345_TAP_Y_ENABLE | \
                                   ADXL345_TAP_X_ENABLE)

Definition at line 101 of file adxl345_regs.h.

◆ ADXL345_TAP_AXES

#define ADXL345_TAP_AXES (0x2A)

Axis control for single tap/double tap.

Definition at line 44 of file adxl345_regs.h.

◆ ADXL345_TAP_DUR

#define ADXL345_TAP_DUR (0x21)

Tap duration.

Definition at line 35 of file adxl345_regs.h.

◆ ADXL345_TAP_LAT

#define ADXL345_TAP_LAT (0x22)

Tap latency.

Definition at line 36 of file adxl345_regs.h.

◆ ADXL345_TAP_WIN

#define ADXL345_TAP_WIN (0x23)

Tap window.

Definition at line 37 of file adxl345_regs.h.

◆ ADXL345_TAP_X_ENABLE

#define ADXL345_TAP_X_ENABLE (1 << 2)

Definition at line 99 of file adxl345_regs.h.

◆ ADXL345_TAP_X_SRC

#define ADXL345_TAP_X_SRC (1 << 2)

Definition at line 112 of file adxl345_regs.h.

◆ ADXL345_TAP_Y_ENABLE

#define ADXL345_TAP_Y_ENABLE (1 << 1)

Definition at line 98 of file adxl345_regs.h.

◆ ADXL345_TAP_Y_SRC

#define ADXL345_TAP_Y_SRC (1 << 1)

Definition at line 111 of file adxl345_regs.h.

◆ ADXL345_TAP_Z_ENABLE

#define ADXL345_TAP_Z_ENABLE (1 << 0)

Definition at line 97 of file adxl345_regs.h.

◆ ADXL345_TAP_Z_SRC

#define ADXL345_TAP_Z_SRC (1 << 0)

Definition at line 110 of file adxl345_regs.h.

◆ ADXL345_THRESH_ACT

#define ADXL345_THRESH_ACT (0x24)

Activity threshold.

Definition at line 38 of file adxl345_regs.h.

◆ ADXL345_THRESH_FF

#define ADXL345_THRESH_FF (0x28)

Free-fall threshold.

Definition at line 42 of file adxl345_regs.h.

◆ ADXL345_THRESH_INACT

#define ADXL345_THRESH_INACT (0x25)

Inactivity threshold.

Definition at line 39 of file adxl345_regs.h.

◆ ADXL345_THRESH_TAP

#define ADXL345_THRESH_TAP (0x1D)

Tap threshold.

Definition at line 31 of file adxl345_regs.h.

◆ ADXL345_TIME_FF

#define ADXL345_TIME_FF (0x29)

Free-fall time.

Definition at line 43 of file adxl345_regs.h.

◆ ADXL345_TIME_INACT

#define ADXL345_TIME_INACT (0x26)

Inactivity time.

Definition at line 40 of file adxl345_regs.h.

◆ ADXL345_WAKEUP_1HZ

#define ADXL345_WAKEUP_1HZ (0x03)

Definition at line 134 of file adxl345_regs.h.

◆ ADXL345_WAKEUP_2HZ

#define ADXL345_WAKEUP_2HZ (0x02)

Definition at line 133 of file adxl345_regs.h.

◆ ADXL345_WAKEUP_4HZ

#define ADXL345_WAKEUP_4HZ (0x01)

Definition at line 132 of file adxl345_regs.h.

◆ ADXL345_WAKEUP_8HZ

#define ADXL345_WAKEUP_8HZ (0x00)

Definition at line 131 of file adxl345_regs.h.

◆ ADXL345_WATERMARK

#define ADXL345_WATERMARK (1 << 1)

Definition at line 147 of file adxl345_regs.h.