# THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
# APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
# HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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# ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

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# EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
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# Copyright (c) 2018 Dr. Oliver Barth <info@drb-electronic.de>
# spi driver for ADC124S051

from threading import Lock

ADC_keywords = ['self.anio.getADValues']

#
class ADC_ADC124S051():

	#
	def __init__(self, spi):
		self.spi = spi
		self.adc = [0, 0, 0, 0, 0, 0, 0, 0]
		self.mutex = Lock()

	#
	def update(self):
		self.mutex.acquire()
		ad = self.spi.xfer2([0x00, 0x00])
		self.adc[0] = (ad[0] << 8) + ad[1]
		ad = self.spi.xfer2([0x08, 0x00])
		self.adc[1] = (ad[0] << 8) + ad[1]
		ad = self.spi.xfer2([0x10, 0x00])
		self.adc[2] = (ad[0] << 8) + ad[1]
		ad = self.spi.xfer2([0x18, 0x00])
		self.adc[3] = (ad[0] << 8) + ad[1]
		self.mutex.release()

	#
	def getADValues(self):
		self.mutex.acquire()
		ret = self.adc
		self.mutex.release()
		return  ret