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60 lines
2.7 KiB
Python
60 lines
2.7 KiB
Python
2 years ago
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# read the values from Arduino:
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import serial # import serial library to read the values from Arduino Uno via serial (usb) connection
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import os # library to use bash commands
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from friction_label import friction_label
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from future_relics import future_relics
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from preview import preview
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function_index = {
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"FL": friction_label,
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"FR": future_relics
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}
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module_index = {
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"FL": "friction_label",
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"FR": "future_relics"
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}
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if __name__ == '__main__':
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ser = serial.Serial('/dev/ttyS0', 9600, timeout=1) # establish a serial connection using Serial Pi Zero (S0), using the RX $
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ser.reset_input_buffer()
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while True:
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if ser.in_waiting > 0:
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line = ser.readline() # reads bytes
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try:
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line = line.decode("utf-8", 'ignore').rstrip() # converts bytes to string
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line = line.replace("\r\n", "") # replaces "\r\n" (end of line) with nothing
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line = line.replace("\r", "") # replaces "\r" (between two modules) with nothing
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line = line.split("#") # splits the line into a list of lists
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# after this split the list begins with an empty list, so delete it:
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if line[0] == "": #if first list in lists is empty:
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del line[0] #delete the first element
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# print(line)
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modules = []
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for module in line:
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values = module.split(",") # splits each module into values
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modules.append(values)
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print("These are the values of each module inside a list of modules ")
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print(modules)
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previous_module = ""
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for module in modules: #for each module inside the list of modules
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if module[0] not in module_index: #this if break is added to avoid the script from breaking at the start (which happens when serial is not yet receiving all values, but only fragments)
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# print("break")
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break # break and start the for loop again
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function_index[module[0]](previous_module, module) #use function_index to run functions for each module
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previous_module = module_index[module[0]] #use module_index to replace abbr. with full name
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if module == modules[-1]: #if module is the last module in list of modules
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final_module = module_index[module[0]] #use name of the last module to define final_module
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# print(final_module)
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preview(final_module) #call preview function with last_module as variable
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except OSError as e:
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print("Error: could not decode bytes")
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print(e)
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