import  importlib

pkg_list=["sys", "time", "traceback", "board", "busio",
          "adafruit_extended_bus", "adafruit_ads1x15.ads1115", "print_data"]
error_list = []
for pkg in pkg_list:
   pkg_trunc = pkg.split(".")[0]
   print("importing pkg: ", pkg, "pkg_trunc:", pkg_trunc)
   try:
      globals()[pkg_trunc] = importlib.import_module(name=pkg_trunc, package=pkg_trunc)
   except:
      error_list.append(pkg)
      (x,y,z)=sys.exc_info()
      print("ERROR: pkg:", pkg, "msg:", y)# y is root error msg
      # traceback.print_exc() # gives all info, more verbose

if len(error_list) == 0:
   print("All required packages loaded OK:", pkg_list)
else:
   print("ERROR: required package list:", pkg_list, " FAILED to load:", error_list)
   sys.exit(1)

print("\n\nglobals:", globals(),"\n\n")

# import adafruit_ads1x15.ads1115 as ADS
# from adafruit_ads1x15.analog_in import AnalogIn

i2c_1 = busio.I2C(board.SCL, board.SDA)
print_data.print_data(i2c_1)

# These lines use module rename as:
# from adafruit_extended_bus import ExtendedI2C as I2C
# i2c_4 = I2C(4) 
# Above can be rewritten without "as"
i2c_4 = adafruit_extended_bus.ExtendedI2C(4)
print_data.print_data(i2c_4)

# Create the ADC objects using two I2C bus
# print_data.print_data(adafruit_ads1x15.ads1115.ADS1115)
ads10 = adafruit_ads1x15.ads1115.ADS1115(i2c_1, address=0x48)
print_data.print_data(ads10)
ads13 = adafruit_ads1x15.ads1115.ADS1115(i2c_1, address=0x4b)
print_data.print_data(ads13)

# Create single-ended inputs on i2c-1 bus
# ch1_48_0 = AnalogIn(ads10, ADS.P0)



ads40 = adafruit_ads1x15.ads1115.ADS1115(i2c_4, address=0x48)
print_data.print_data(ads40)