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116 lines
4.1 KiB
116 lines
4.1 KiB
"""Sample code and test for adafruit_in219"""
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# Reads all voltage and current sensors for two I2C buses
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import time
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import sys
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#import board
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import busio
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from adafruit_extended_bus import ExtendedI2C as I2C
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from adafruit_ina219 import INA219
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from adafruit_ina219 import ADCResolution, BusVoltageRange
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if __name__ == "__main__":
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# print 'Length: ', len(sys.argv)
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buses = [1, 3] # default I2C buses
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config = False
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if (len(sys.argv)) > 1:
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# print("There are arguments!", file=sys.stderr)
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if (('a' == sys.argv[1]) or ('afsk' in sys.argv[1])):
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buses[0] = int(sys.argv[1], base=10)
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if (len(sys.argv)) > 2:
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buses[1] = int(sys.argv[2], base=10)
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if (len(sys.argv)) > 3:
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if sys.argv[3] == "c":
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config = True
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addresses = [0x40, 0x41, 0x44, 0x45] #INA219 addresses on the bus
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# print("buses: ", buses, " addr: ", addresses, file=sys.stderr)
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# config
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for x in buses:
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try:
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i2c_bus = I2C(x) # Device is /dev/i2c-x
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for y in addresses:
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# print(x,y)
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try:
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# Create library object using Extended Bus I2C port
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# print("bus: ", x, " addr: ", y)
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if x == 0 and y == 0x45:
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# print("Reading INA219 in MoPower Board")
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i2c_bus = I2C(1)
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ina219 = INA219(i2c_bus, 0x4a)
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else:
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ina219 = INA219(i2c_bus, y)
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# print("ina219 test")
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# print("Configuring")
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# optional : change configuration to use 32 samples averaging for both bus voltage and shunt voltage
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ina219.bus_adc_resolution = ADCResolution.ADCRES_12BIT_32S # 1S
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ina219.shunt_adc_resolution = ADCResolution.ADCRES_12BIT_32S # 1S
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# optional : change voltage range to 16V
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ina219.bus_voltage_range = BusVoltageRange.RANGE_16V
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except:
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print("Python Error 2", file=sys.stderr, flush=True)
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except:
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print("Python Error 1", file=sys.stderr, flush=True)
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# No try checking yet
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i2c_one = I2C(buses[0])
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i2c_two = I2C(buses[1])
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# if buses[0] == 0 and addresses[0] == 0x45:
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# print("Reading INA219 in MoPower Board")
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# ina219_one = INA219(I2C(1), 0x4a)
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# else:
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try:
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ina219_one = INA219(i2c_one, addresses[0])
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# try:
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ina219_two = INA219(i2c_one, addresses[1])
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ina219_three = INA219(i2c_one, addresses[2])
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ina219_four= INA219(i2c_one, addresses[3])
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ina219_five= INA219(i2c_two, addresses[0])
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ina219_six = INA219(i2c_two, addresses[1])
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ina219_seven = INA219(i2c_two, addresses[2])
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ina219_eight = INA219(i2c_two, addresses[3])
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except:
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print("Python Error 3", file=sys.stderr, flush=True)
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while (True):
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try:
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print("{:6.3f} ".format(ina219_one.bus_voltage), "{:6.3f} ".format(ina219_one.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_two.bus_voltage), "{:6.3f} ".format(ina219_two.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_three.bus_voltage), "{:6.3f} ".format(ina219_three.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_four.bus_voltage), "{:6.3f} ".format(ina219_four.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_five.bus_voltage), "{:6.3f} ".format(ina219_five.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_six.bus_voltage), "{:6.3f} ".format(ina219_six.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_seven.bus_voltage), "{:6.3f} ".format(ina219_seven.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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try:
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print("{:6.3f} ".format(ina219_eight.bus_voltage), "{:6.3f} ".format(ina219_eight.current) , end = '')
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except:
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print("{:6.3f} ".format(0), "{:6.3f} ".format(0))
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print(" ")
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inp = input()
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# print(inp)
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