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testAM2315.py
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testAM2315.py
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import time
import sys
sys.path.append('./SDL_Pi_TCA9545')
import SDL_Pi_TCA9545
################
# TCA9545 I2C Mux
#/*=========================================================================
# I2C ADDRESS/BITS
# -----------------------------------------------------------------------*/
TCA9545_ADDRESS = (0x73) # 1110011 (A0+A1=VDD)
#/*=========================================================================*/
#/*=========================================================================
# CONFIG REGISTER (R/W)
# -----------------------------------------------------------------------*/
TCA9545_REG_CONFIG = (0x00)
# /*---------------------------------------------------------------------*/
TCA9545_CONFIG_BUS0 = (0x01) # 1 = enable, 0 = disable
TCA9545_CONFIG_BUS1 = (0x02) # 1 = enable, 0 = disable
TCA9545_CONFIG_BUS2 = (0x04) # 1 = enable, 0 = disable
TCA9545_CONFIG_BUS3 = (0x08) # 1 = enable, 0 = disable
#/*=========================================================================*/
# I2C Mux TCA9545 Detection
try:
tca9545 = SDL_Pi_TCA9545.SDL_Pi_TCA9545(addr=TCA9545_ADDRESS, bus_enable = TCA9545_CONFIG_BUS0)
# turn I2CBus 0 on
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
TCA9545_I2CMux_Present = True
except:
print ">>>>>>>>>>>>>>>>>>><<<<<<<<<<<"
print "TCA9545 I2C Mux Not Present"
print ">>>>>>>>>>>>>>>>>>><<<<<<<<<<<"
sys.path.append('./SDL_Pi_AM2315')
import AM2315
am2315 = AM2315.AM2315()
for x in range(0,10):
outsideHumidity, outsideTemperature, crc_check = am2315.read_humidity_temperature_crc()
print "temperature: %0.1f" % outsideTemperature
print "humidity: %0.1f" % outsideHumidity
print "crc: %s" % crc_check
print
time.sleep(2.0)