81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
import serial, struct
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from glob import glob
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port = serial.Serial(port=glob("/dev/serial/by-id/usb-Arduino_LLC_Arduino_Zero_*-if00")[0], baudrate=115200)
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port.write(b"c")
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config_info = {val.split(b":")[0] : int(val.split(b":")[1]) for val in port.read_until(b"END\r\n").split(b"\r\n")[:-2]}
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mn_config_size = config_info[b"MNConfiguration"]
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mn_cfgmem_size = config_info[b"CFGMEM"]
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n_devices = config_info[b"N_DEVICES"]
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mn_device_size = config_info[b"Device"]
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mn_analog_input_size = config_info[b"AnalogInput"]
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print(config_info)
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port.write(b"r")
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config = port.read(mn_config_size)
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print(config)
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port.write(b"R")
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cfgmem = port.read(mn_cfgmem_size)
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print(cfgmem)
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modem_frequency = struct.unpack("<f", config[0:4])[0]
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modem_power = config[4]
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client_address = int.from_bytes(config[5:7], byteorder="little")
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server_address = int.from_bytes(config[7:9], byteorder="little")
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pointers = list(config[9 : 9 + n_devices])
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modem_frequency = 868.0
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modem_power = 0
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client_address = 0x1234
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server_address = 0x0001
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def pack_device():
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data = struct.pack("<bbb", 0, 0xFF, 0xFF)
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assert len(data) == mn_device_size
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return data
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def pack_analog_input(sensor_type, pin, min_threshold, max_threshold, multiplier, offset, is_current):
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data = struct.pack("<bbbffff?", 1, sensor_type, pin, min_threshold, max_threshold, multiplier, offset, is_current)
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assert len(data) == mn_analog_input_size
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return data
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cfgmem = list(cfgmem)
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cfgmem_pointer = 0x0
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pointer_counter = 0
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def add_to_config(entry):
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global cfgmem_pointer, pointer_counter
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cfgmem[cfgmem_pointer : cfgmem_pointer + len(entry)] = entry
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pointers[pointer_counter] = cfgmem_pointer
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cfgmem_pointer += len(entry)
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pointer_counter += 1
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assert cfgmem_pointer < 256
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add_to_config(pack_analog_input(5, 15, -1000, 1000, 1, 0, False))
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add_to_config(pack_analog_input(6, 16, 3.8, 20.5, 1, 0, True))
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config = list(config)
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config[0:4] = struct.pack("<f", modem_frequency)
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config[4] = modem_power
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config[5:7] = int.to_bytes(client_address, 2, byteorder="little")
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config[7:9] = int.to_bytes(server_address, 2, byteorder="little")
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config[9 : 9 + n_devices] = pointers
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port.write(b"W")
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port.write(bytearray(cfgmem))
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port.write(b"w")
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port.write(bytearray(config))
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server_key = 0x2e29b257521dc792
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client_key = 0x0#0x7ed64cce5b5d8e85
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port.write(b"k")
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port.write(struct.pack("<QQ", client_key, server_key))
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#port.write(b"s") |