def __init__(self, threshold=100): # Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0 self.sensor = ldt0028.LDT0028(0) self.average = 0 self.state = 0 self.text = 'Silence' self.threshold = threshold
def __init__(self): # Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0 self.piezo = ldt0028.LDT0028(0) # Create the light sensor object using AIO pin 1 self.light = grove.GroveLight(1) #led on D5 self.led = mraa.Gpio(5) self.led.dir(mraa.DIR_OUT) self.mic = upmMicrophone.Microphone(2) self.threshContext = upmMicrophone.thresholdContext() self.threshContext.averageReading = 0 self.threshContext.runningAverage = 0 self.threshContext.averagedOver = 2
def main(): NUMBER_OF_SECONDS = 10 SAMPLES_PER_SECOND = 50 THRESHOLD = 100 # Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0 sensor = ldt0028.LDT0028(0) # Read the signal every 20 milliseconds for 10 seconds print 'For the next', NUMBER_OF_SECONDS, 'seconds,', \ SAMPLES_PER_SECOND, 'samples will be taken every second.\n' buffer = array.array('H') for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND): buffer.append(sensor.getSample()) time.sleep(1.0 / SAMPLES_PER_SECOND) # Print the number of times the reading was greater than the threshold count = 0 for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND): if buffer[i] > THRESHOLD: count += 1 print sensor.name(), ' exceeded the threshold value of', \ THRESHOLD, 'a total of', count, 'times,' print 'out of a total of', NUMBER_OF_SECONDS*SAMPLES_PER_SECOND, \ 'reading.\n' # Print a graphical representation of the average value sampled # each second for the past 10 seconds, using a scale factor of 15 print 'Now printing a graphical representation of the average reading ' print 'each second for the last', NUMBER_OF_SECONDS, 'seconds.' SCALE_FACTOR = 15 for i in range(0, NUMBER_OF_SECONDS): sum = 0 for j in range(0, SAMPLES_PER_SECOND): sum += buffer[i * SAMPLES_PER_SECOND + j] average = sum / SAMPLES_PER_SECOND stars_to_print = int(round(average / SCALE_FACTOR)) print '(' + repr(int( round(average))).rjust(4) + ') |', '*' * stars_to_print # Delete the sensor object del sensor
def __init__(self): self.screen = pyupm_i2clcd.Jhd1313m1(6, 0x3E, 0x62) self.clearScreen() self.light = grove.GroveLight(2) self.mic = upmMicrophone.Microphone(1) self.threshContext = upmMicrophone.thresholdContext() self.threshContext.averageReading = 0 self.threshContext.runningAverage = 0 self.threshContext.averagedOver = 2 self.piezo = ldt0028.LDT0028(0) self.button = mraa.Gpio(3) self.button.dir(mraa.DIR_IN) self.buzzer = mraa.Gpio(6) self.buzzer.dir(mraa.DIR_OUT) self.buzzer.write(0)
import pyupm_mma7660 as accelerometerSensor ####################################################################### #VARIABLES ####################################################################### #Create the light sensor object using AIO pin 0 lightValue = grove.GroveLight(0) #Create the loudness sensor object using AIO pin 1 loudnessValue = loudnessSensor.Loudness(1, 3.0) #Create the temperature sensor object using AIO pin 2 #tempValue2 = mraa.Aio(2) #Create the vibration sensor object using AIO pin 3 vibrationValue = vibrationSensor.LDT0028(3) try: #Create the accelerometer sensor object using I2C 0 accelerometerValue = accelerometerSensor.MMA7660( accelerometerSensor.MMA7660_DEFAULT_I2C_BUS, accelerometerSensor.MMA7660_DEFAULT_I2C_ADDR) print(accelerometerSensor.MMA7660_DEFAULT_I2C_BUS) #Place device in standby accelerometerValue.setModeStandby() #Place device into active mode accelerometerValue.setModeActive() ax = accelerometerSensor.new_floatp() ay = accelerometerSensor.new_floatp() az = accelerometerSensor.new_floatp()
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. import time import array import pyupm_ldt0028 as ldt0028 NUMBER_OF_SECONDS = 10 SAMPLES_PER_SECOND = 50 THRESHOLD = 100 # Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0 sensor = ldt0028.LDT0028(0) # Read the signal every 20 milliseconds for 10 seconds print 'For the next', NUMBER_OF_SECONDS, 'seconds,', \ SAMPLES_PER_SECOND, 'samples will be taken every second.\n' buffer = array.array('H') for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND): buffer.append(sensor.getSample()) time.sleep(1.0/SAMPLES_PER_SECOND) # Print the number of times the reading was greater than the threshold count = 0 for i in range(0, NUMBER_OF_SECONDS * SAMPLES_PER_SECOND): if buffer[i] > THRESHOLD: count += 1 print sensor.name(), ' exceeded the threshold value of', \
def get_actuator(self): return pyupm_ldt0028.LDT0028(self.pin)