Python • I2C not working along with SPI

Code:

# For more options and information see# http://rptl.io/configtxt# Some settings may impact device functionality. See link above for details# Uncomment some or all of these to enable the optional hardware interfacesdtparam=i2c_arm=off#dtparam=i2s-gpio,bus=0,i2c_gpio_sda=2,i2c_gpio_scl=3 dtparam=spi=on# Enable audio (loads snd_bcm2835)dtparam=audio=on# Additional overlays and parameters are documented# /boot/firmware/overlays/README# Automatically load overlays for detected camerascamera_auto_detect=1# Automatically load overlays for detected DSI displaysdisplay_auto_detect=1# Automatically load initramfs files, if foundauto_initramfs=1# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2# Don't have the firmware create an initial video= setting in cmdline.txt.# Use the kernel's default instead.disable_fw_kms_setup=1# Run in 64-bit modearm_64bit=1# Disable compensation for displays with overscandisable_overscan=1# Run as fast as firmware / board allowsarm_boost=1[cm4]# Enable host mode on the 2711 built-in XHCI USB controller.# This line should be removed if the legacy DWC2 controller is required# (e.g. for USB device mode) or if USB support is not required.otg_mode=1[all]dtoverlay=spi0-1cs,cs0_pin=8dtoverlay=spi1-1cs,cs0_pin=18

Code:

# Thermocouple 1        self.spi_0 = busio.SPI(clock=board.SCK, MISO=board.MISO)        self.cs_0 = digitalio.DigitalInOut(board.D13)        self.tc1 = adafruit_max31855.MAX31855(self.spi_0, self.cs_0)        # Thermocouple 2        self.spi_1 = busio.SPI(clock=board.SCK_1, MISO=board.MISO_1)        self.cs_1 = digitalio.DigitalInOut(board.D5)        self.tc2 = adafruit_max31855.MAX31855(self.spi_1, self.cs_1)

Code:

try:    On_Device = True    import pi_MCP342x    import smbus2 as smbusexcept:    On_Device = Falseimport timeclass Mcp3424:    def __init__(self, i2c_address, i2c_smbus_interface, resolution=14, gain=1):        self.i2c_address = i2c_address        self.adc = pi_MCP342x.MCP342x(i2c_smbus_interface, self.i2c_address, smbus)        self.adc.set_channel(2)        self.adc.set_resolution(resolution)        self.adc.set_gain(gain)        self.adc.write_config()    def adc_resolution_changer(self, gain, resolution):  #Automatically sets adc resolution based on number of bits and test frequency, all values set for half of total ADC SPS        if resolution == "18 bit 3.75 SPS":            resolution = 18        elif resolution == "16 bit 15 SPS":            resolution = 16        elif resolution == "14 bit 60 SPS":            resolution = 14        else:            resolution = 12        if gain == "1x":            gain = 1        elif gain == "2x":            gain = 2        elif gain == "4x":            gain = 4        else:            gain = 8        self.adc.set_resolution(resolution)        self.adc.set_gain(gain)        self.adc.write_config()    def read_SD(self, resistance):        self.adc.set_channel(2, True)        voltage = self.adc.read()        return -voltage/(resistance * 100)    def read_GG(self, resistance):        self.adc.set_channel(1, True)        voltage = self.adc.read()        return -voltage / (resistance * 100)        class GPIO_ex:    def __init__(self, i2c_address, i2c_smbus_interface):        '''        Inputs:        ________________________________________________________________________________________________________________        i2c_address -           (binary/hex/int) I2C address of slave device, on mkII this is 0b00100111        i2c_smbus_interface -   (SMbus object) Runs I2C communication between master and slave        ________________________________________________________________________________________________________________        Stored in self:        ________________________________________________________________________________________________________________        self.I2C -              (SMbus object) Runs I2C communication between master and slave        self.i2c_address -      (binary/hex/int) I2C address of slave device, on mkII this is 0x27        self.byte_a -           (binary/int) Storage for current GPIO configuration for all pins marked A0-7        self.byte_b -           (binary/int) Storage for current GPIO configuration for all pins marked B0-7        self.output_dir_a -     (binary/int) Storage for pin usage direction (input or output, 1 is input) for all pins                                marked A0-7        self.output_dir_b -     (binary/int) Storage for pin usage direction (input or output, 1 is input) for all pins                                marked B0-7        '''        if not 0x20 <= i2c_address <= 0x27:            raise Exception("Invalid I2C address for MCP23017.")        self.I2C = i2c_smbus_interface        self.i2c_address = i2c_address        self.byte_a = [0, 0, 0, 0, 0, 0, 0, 0]        self.byte_b = [0, 0, 0, 0, 0, 0, 0, 0]        self.output_dir_a = [1, 1, 1, 1, 1, 1, 1, 1]        self.output_dir_b = [1, 1, 1, 1, 1, 1, 1, 1]    def set_GPIO(self, pins, is_output=True, is_high=None):        '''        Function to set the state of all expander GPIO pins, including logic level (HIGH/LOW) and pin direction (IN/OUT)        ________________________________________________________________________________________________________________        Inputs:        ________________________________________________________________________________________________________________        pins -              (List of ints, 0-15 no repeats) List of pins to be changed. Any not listed will remain as        they were        is_output -         (None, bool or list of bools) Sets the direction of pins. A list will individually assign                            directions, a bool will assign the same direction for all chosen pins and None will have no                            effect on direction        is_high -           (None, bool or list of bools) Sets logic level of pins (True is HIGH, False is LOW). A list                            will individually assign logic levels, a bool will assign the same logic level for all                            chosen pins and a None will have no effect on logic level        ________________________________________________________________________________________________________________        Outputs:        Nothing pythonic, only hardware        ________________________________________________________________________________________________________________        Note. For logic states a high value is a "1" bit, a low value is a "0" bit. A "1" for output corresponds to a        pin set to be an input, a "0" corresponds to an output pin.        '''        if not isinstance(pins, list) and isinstance(pins, int):            pins = [pins]        elif not isinstance(pins, list) or not all(isinstance(pin, int) for pin in pins):            raise Exception("Invalid form of type " + str(type(pins)) + ".")        if len(pins) != len(set(pins)):            raise TypeError("Pin list contains duplicates")        if not isinstance(is_high, list) and isinstance(is_high, bool):            is_high = [is_high for _ in pins]        elif isinstance(is_high, list) and all(isinstance(state, bool) for state in is_high) and len(is_high) == len(                pins):            pass        elif is_high == None:            pass        else:            raise TypeError(                "Pin logic state(s) are not in correct form. Must be either single bool or bool list with equal length to list of pins.")        if not isinstance(is_output, list) and isinstance(is_output, bool):            is_output = [is_output for _ in pins]        elif isinstance(is_output, list) and all(isinstance(state, bool) for state in is_output) and len(                is_output) == len(pins):            pass        elif is_output == None:            pass        else:            raise TypeError(                "Pin logic state(s) are not in correct form. Must be either single bool or bool list with equal length to list of pins.")        for index, pin in enumerate(pins):            if isinstance(pin, int):                if not 0 <= pin <= 15:                    raise Exception("Invalid pin number for MCP23017. " + str(                        pin) + " is not in the range of 0-15 (0-7 are A0-7, 8-15 are B0-7).")            if 0 <= pin <= 7:  # Handles High/Low and I/O logic on pins A0-A7                if is_high[index]:                    self.byte_a[pin] = 1                elif not is_high[index]:                    self.byte_a[pin] = 0                if is_output[index]:                    self.output_dir_a[pin] = 0                elif not is_output[index]:                    self.output_dir_a[pin] = 1            if 8 <= pin <= 15:  # Handles High/Low and I/O logic on pins B0-B7                if is_high[index]:                    self.byte_b[pin - 8] = 1                elif not is_high[index]:                    self.byte_b[pin - 8] = 0                if is_output[index]:                    self.output_dir_b[pin - 8] = 0                elif not is_output[index]:                    self.output_dir_b[pin - 8] = 1        output_dir_a = self.list_to_bin(self.output_dir_a)        byte_a = self.list_to_bin(self.byte_a)        output_dir_b = self.list_to_bin(self.output_dir_b)        byte_b = self.list_to_bin(self.byte_b)        self.I2C.write_byte_data(self.i2c_address, 0x00, output_dir_a)        self.I2C.write_byte_data(self.i2c_address, 0x01, output_dir_b)        if is_output:            self.I2C.write_byte_data(self.i2c_address, 0x14, byte_a)            self.I2C.write_byte_data(self.i2c_address, 0x15, byte_b)    def list_to_bin(self, digits):  # Converts list to binary integer        return sum(c << i for i, c in enumerate(digits))    def read_GPIO(self, pin):        '''        Reads the logic state of a certain pin        ________________________________________________________________________________________________________________        Inputs:        ________________________________________________________________________________________________________________        pin -               (int) pin between 0-15        ________________________________________________________________________________________________________________        Outputs:        ________________________________________________________________________________________________________________        Pin state as bool, True is HIGH, False is LOW        '''        if 0 <= pin <= 7:            data = self.I2C.read_byte_data(self.i2c_address, 0x12)            return bool((data >> pin) & 1)        else:            pin = pin - 8            data = self.I2C.read_byte_data(self.i2c_address, 0x13)            return bool((data >> pin) & 1)