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Software/Python/grove_fingerclip_heart_sensor/grove_fingerclip_heart_sensor.py

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+#!/usr/bin/env python
+#
+# GrovePi Library for using the Grove - Finger-clip Heart Rate Sensor(http://www.seeedstudio.com/depot/Grove-Fingerclip-Heart-Rate-Sensor-with-shell-p-2420.html)
+#
+# The GrovePi connects the Raspberry Pi and Grove sensors.  You can learn more about GrovePi here:  http://www.dexterindustries.com/GrovePi
+#
+# Have a question about this library?  Ask on the forums here:  http://forum.dexterindustries.com/c/grovepi
+#
+'''
+## License
+
+The MIT License (MIT)
+
+GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
+Copyright (C) 2017  Dexter Industries
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 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.
+'''
+#################################################################################################################################################
+# NOTE:
+# The software for this sensor is still in development and might make your GrovePi unuable as long as this sensor is connected with the GrovePi
+#################################################################################################################################################
+import time,sys
+import RPi.GPIO as GPIO
+import smbus
+
+# use the bus that matches your raspi version
+rev = GPIO.RPI_REVISION
+if rev == 2 or rev == 3:
+    bus = smbus.SMBus(1)
+else:
+    bus = smbus.SMBus(0)
+
+class grove_fingerclip_heart_sensor:
+	address = 0x50
+
+	def pulse_read(self):
+		print(bus.read_byte(0x50))
+		# return bus.read_i2c_block_data(self.address, 1,1)
+
+if __name__ == "__main__":		
+	
+	pulse= grove_fingerclip_heart_sensor()
+	while True:
+		try:
+			pulse.pulse_read()
+		except IOError:
+			print("Error")
+		time.sleep(.5)