Simple test¶

Ensure your device works with this simple test.

examples/bma220_simpletest.py¶

import time
import board
from bma220 import bma220

i2c = board.I2C()  # uses board.SCL and board.SDA
bma = bma220.BMA220(i2c)

while True:
    accx, accy, accz = bma.acceleration
    print(f"x:{accx:.2f}m/s², y:{accy:.2f}m/s², z:{accz:.2f}m/s²")
    time.sleep(0.1)

Acc range settings¶

Example showing the Acc range setting

examples/bma220_acc_range.py¶

import time
import board
from bma220 import bma220

i2c = board.I2C()
bma = bma220.BMA220(i2c)

bma.acc_range = bma220.ACC_RANGE_16

while True:
    for acc_range in bma220.acc_range_values:
        print("Current Acc range setting: ", bma.acc_range)
        for _ in range(10):
            accx, accy, accz = bma.acceleration
            print(f"x:{accx:.2f}m/s², y:{accy:.2f}m/s², z:{accz:.2f}m/s²")
            time.sleep(0.5)
        bma.acc_range = acc_range

Sleep duration settings¶

Example showing the Sleep duration setting

examples/bma220_sleep_duration.py¶

import time
import board
from bma220 import bma220

i2c = board.I2C()
bma = bma220.BMA220(i2c)

bma.sleep_duration = bma220.SLEEP_10MS

while True:
    for sleep_duration in bma220.sleep_duration_values:
        print("Current Sleep duration setting: ", bma.sleep_duration)
        for _ in range(10):
            accx, accy, accz = bma.acceleration
            print(f"x:{accx:.2f}m/s², y:{accy:.2f}m/s², z:{accz:.2f}m/s²")
            time.sleep(0.5)
        bma.sleep_duration = sleep_duration

Filter bandwidth settings¶

Example showing the Filter bandwidth setting

examples/bma220_filter_bandwidth.py¶

import time
import board
from bma220 import bma220

i2c = board.I2C()
bma = bma220.BMA220(i2c)

bma.filter_bandwidth = bma220.ACCEL_500HZ

while True:
    for filter_bandwidth in bma220.filter_bandwidth_values:
        print("Current Filter bandwidth setting: ", bma.filter_bandwidth)
        for _ in range(10):
            accx, accy, accz = bma.acceleration
            print(f"x:{accx:.2f}m/s², y:{accy:.2f}m/s², z:{accz:.2f}m/s²")
            time.sleep(0.5)
        bma.filter_bandwidth = filter_bandwidth

Latched mode settings¶

Example showing the Latched mode setting

examples/bma220_latched_mode.py¶

import time
import board
from bma220 import bma220

i2c = board.I2C()
bma = bma220.BMA220(i2c)

bma.latched_mode = bma220.LATCH_FOR_2S

while True:
    for latched_mode in bma220.latched_mode_values:
        print("Current Latched mode setting: ", bma.latched_mode)
        for _ in range(10):
            accx, accy, accz = bma.acceleration
            print(f"x:{accx:.2f}m/s², y:{accy:.2f}m/s², z:{accz:.2f}m/s²")
            time.sleep(0.5)
        bma.latched_mode = latched_mode

Slope Test¶

Example for the Slope mode

examples/bma220_slope_test.py¶

import time
import board
from bma220 import bma220_slope
from bma220 import bma220_const as bma220

i2c = board.I2C()  # uses board.SCL and board.SDA
bma = bma220_slope.BMA220_SLOPE(i2c)

bma.latched_mode = bma220.LATCH_FOR_2S
bma.slope_x_enabled = bma220_slope.SLOPE_X_ENABLED

while True:
    print("Slope Interrupt Triggered:", bma.slope_interrupt)
    time.sleep(0.5)

Slope sign settings¶

Example showing the Slope sign setting

examples/bma220_slope_slope_sign.py¶

import time
import board
from bma220 import bma220_slope
from bma220 import bma220_const as bma220

i2c = board.I2C()
bma = bma220_slope.BMA220_SLOPE(i2c)

bma.latched_mode = bma220.LATCH_FOR_1S
bma.slope_x_enabled = bma220_slope.SLOPE_X_ENABLED
bma.slope_y_enabled = bma220_slope.SLOPE_Y_ENABLED
bma.slope_z_enabled = bma220_slope.SLOPE_Z_ENABLED
bma.slope_sign = bma220_slope.SLOPE_SIGN_NEGATIVE
bma.slope_threshold = 8

bma.slope_sign = bma220_slope.SLOPE_SIGN_NEGATIVE

while True:
    for slope_sign in bma220_slope.slope_sign_values:
        print("Current Slope sign setting: ", bma.slope_sign)
        for _ in range(10):
            print("Slope Interrupt Triggered:", bma.slope_interrupt)
            infox, infoy, infoz = bma.slope_interrupt_info
            print(f"Slope x:{infox}, y:{infoy}, z:{infoz}")
            time.sleep(0.5)
        bma.slope_sign = slope_sign

Double Tap Example¶

Example showing the Double Tap Mode

examples/bma220_double_tap_test.py¶

import time
import board
from bma220 import bma220_tap_sensing
from bma220 import bma220_const as bma220

i2c = board.I2C()
bma = bma220_tap_sensing.BMA220_TAP(i2c)

bma.latched_mode = bma220.LATCH_FOR_1S
bma.tt_x_enabled = bma220_tap_sensing.TT_X_ENABLED
bma.tt_y_enabled = bma220_tap_sensing.TT_Y_ENABLED
bma.tt_z_enabled = bma220_tap_sensing.TT_Z_ENABLED
bma.tt_duration = bma220_tap_sensing.TIME_500MS

while True:
    print("Double Tap Interrupt Triggered:", bma.tt_interrupt)
    time.sleep(0.5)

Orientation Mode Example¶

Example showing the Orientation Mode

examples/bma220_orientation.py¶

import time
import board
from bma220 import bma220_orientation
from bma220 import bma220_const as bma220

i2c = board.I2C()
bma = bma220_orientation.BMA220_ORIENTATION(i2c)

bma.latched_mode = bma220.LATCH_FOR_1S
bma.orientation_blocking = bma220_orientation.MODE1


while True:
    for orientation_blocking in (1, 2, 3):
        print("Current Orientation blocking setting: ", bma.orientation_blocking)
        for _ in range(50):
            print("Orientation Interrupt Triggered:", bma.orientation_interrupt)
            time.sleep(0.1)
        bma.orientation_blocking = orientation_blocking

Low G Mode Example¶

Example showing the Log g Mode

examples/bma220_lowg_test.py¶

import time
import board
from bma220 import bma220_lowg_detection
from bma220 import bma220_const as bma220

i2c = board.I2C()
bma = bma220_lowg_detection.BMA220_LOWG_DETECTION(i2c)

bma.latched_mode = bma220.LATCH_FOR_1S

while True:
    print("Low G Interrupt Triggered:", bma.lowg_interrupt)
    time.sleep(0.5)