Delete EPROM_NG_v1.6h_beta.py
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Kris Sekula
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# kris@mygeekyhobby.com
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#
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# ver 1.0 - may 2020 - initial release
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# ver 1.2 - june 2020 - added save to SPI EEPROM functionality
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# - fixed the args parsing
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# - added auto load wait option
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# - added save SPI option
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# ver 1.3 - july 2020 - removed some of the debug stuff
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# - removed address scrolling when loading
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# ver 1.6g - Aug 2020 - Lunches GUI when no parameters specified (code contributed by John Gerrard)... requires PySimpleGUI module "pip install PySimpleGUI"
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# - small fixes to the output
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# ver 1.6h - fixed bug with SPI==y
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version = "1.6e"
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import argparse
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import serial,os
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import time
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import PySimpleGUI as sg
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import sys
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sg.theme('DarkAmber') # Add a touch of color
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form = sg.FlexForm('Eprom emulator Uploader V3')
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from serial.tools.list_ports import comports
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com = [p.device for p in comports()]
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layout = [ [sg.Text('Eprom Type'), sg.InputCombo(('2716', '2732','2764', '27128','27256', '27512'), size=(10, 6))],
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[sg.Text('COM port '), sg.InputCombo(com,size=(10, 1))],
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[sg.Checkbox('Save to SPI', default=False)],
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[sg.Checkbox('Auto Start', default=False)],
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[sg.Text('Choose A File', size=(35, 1))],
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[sg.In() ,sg.FileBrowse(file_types=(("Hex files", "*.hex"),))],
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[sg.Submit(), sg.Cancel()],
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]
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if len(sys.argv) >= 3:
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parser = argparse.ArgumentParser(description='This script sends data to EPROM Emulator over serial port, requires python 3.8 and pyserial "pip install pyserial"')
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parser.add_argument('file_arg', metavar='<file>', type=str, help='Data file in 8 bit InteHEX format')
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parser.add_argument('port_arg', metavar='<port>', type=str, help='Serial port to use, eg COM1 in Windows or "/dev/ttyUSB0" in Linux')
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parser.add_argument('-mem', metavar='<type>', type=str, choices=['2716', '2732','2764', '27128', '27256', '27512'], default='27512', help='Emulated EPROM memory type, eg.: 2716..27512. Defaults to 27512')
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parser.add_argument('-spi', metavar='y/n', choices=['y','n'], default=False, help='Enable/Disable emulator saves data to SPI EEPROM. This only works on "full images" with data in blocks of 128 bytes, starting from 0000h')
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parser.add_argument('-auto', metavar='y/n', choices=['y','n'], default=False, help='Enable/Disable emulator automatically load last saved image and EPROM configuraiton on start.')
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args = parser.parse_args()
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mem = args.mem
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port = args.port_arg
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spi = args.spi
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auto = args.auto
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file = args.file_arg
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gui = False
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else:
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window = sg.Window('EPROM EMU NG GUI Uploader '+version, layout)
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gui = True
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# Create the Window
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# Event Loop to process "events" and get the "values" of the inputs
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while True:
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event, values = window.read()
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mem = values[0]
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port = values[1]
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spi = values[2]
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auto = values[3]
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if values[2]: spi="y"
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else: spi= "n"
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if values[3]: auto="y"
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else: auto = "n"
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file = values[4]
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if event == sg.WIN_CLOSED or event == 'Cancel': # if user closes window or clicks cancel
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exit()
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break
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if event == 'Submit': # if user closes window or clicks cancel
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break
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if gui:
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window.close()
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mem_type = ""
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if mem == "2716":
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mem_type = ':ini16'
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max_size = 2048
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elif mem == "2732":
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mem_type = ':ini32'
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max_size = 4096
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elif mem == "2764":
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mem_type = ':ini64'
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max_size = 8192
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elif mem == "27128":
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mem_type = ':ini128'
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max_size = 16384
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elif mem == "27256":
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mem_type = ':ini256'
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max_size = 32768
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elif mem == "27512":
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mem_type = ':ini512'
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max_size = 65536
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try:
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ser = serial.Serial(port=port,baudrate=115200,timeout=0.1,writeTimeout=0)
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except:
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print("Failed to open port, verify port name")
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exit()
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print ("\nRunning EPROM EMU NG python script version",version)
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print("\n")
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print("Using serial port {}, emulating: {} EPROM".format(port,mem))
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time.sleep(2) # on nano, opening the port will trigger reset of the arduino, so need to wait
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try:
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for x in range(4):
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data_tx = ("\r\n").encode()
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ser.write(data_tx)
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ser.flushInput() # ignore anything waiting in the input buffer.
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print("\n-- attempting to get sync --\n")
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data_tx = (":dml\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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if "HW: " in response.decode(): # Emulator will respond with version number like "HW: v1.0"
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print(response.decode())
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elif "...." in response.decode():
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print("Waiting for autoupload to finish... Note: you can disable autoupload by long pressing pushbutton")
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while "..." in ser.readline().decode():
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print(".", end=' ', flush=True)
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print("")
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time.sleep(2)
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ser.flushInput() # ignore anything waiting in the input buffer.
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data_tx = (":dml\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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if "HW: " in response.decode():
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print(response.decode())
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else:
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print("Failed to connect after autoload - exiting")
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exit()
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else:
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print("Failed to connect - exiting")
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exit()
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#
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# when sending entire "image" of and EPROM, for example 32k of data to emulate 27256 EPROM, you can ask the EMULATOR to save the data to SPI EEPROM
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# this will only work if you send full blocks of 128 bytes, in consecutive range starting from address 0000h up to the size of emulated EPROM
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# the emulator can reload this data when the button is pressed, can take up to 1min for 27512 - LED will quickly flash during loading.
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#
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if spi == "y":
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print('-- Setting "Save to SPI EEPROM" option to enable --')
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data_tx = (":iniSPI1\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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print(response.decode())
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if spi == "n":
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print('-- Setting "Save to SPI EEPROM" option to disable --')
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data_tx = (":iniSPI0\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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print(response.decode())
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#
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# Set the Auto load from SPI EEPROM option
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#
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if auto == "y":
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print('-- Setting "Auto load from SPI EEPROM" option to enable --')
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data_tx = (":iniAuto1\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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print(response.decode())
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if auto == "n":
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print('-- Setting "Auto load from SPI EEPROM" option to disable --')
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data_tx = (":iniAuto0\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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print(response.decode())
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print("-- prcessing file --")
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start = time.time()
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bytesdata = 0
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with open(file) as fp:
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while True:
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line = fp.readline()
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ser.write(line.encode())
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response = ser.readline()
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print(response[:-2].decode("utf-8"), end='\r', flush=True)
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if line[7:9] == "00": # count only data records
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bytesdata += len(line[9:-3])//2
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if not line:
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break
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print("\n")
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taken = time.time() - start
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print("Sent {} bytes in {} seconds\n".format(str(bytesdata),round(taken,2)))
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if bytesdata > max_size:
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print("Warninig!!! Sent {} bytes, but the selected {} EPROM can only hold {} bytes...\n".format(str(bytesdata),str(mem),str(max_size)))
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print("-- Setting EPROM Type --")
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data_tx = (mem_type + "\r\n").encode()
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ser.write(data_tx)
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response = ser.readline()
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print(response.decode())
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print("-- Finished -- ")
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#while(True):
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# if ser.in_waiting > 0:
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# print(ser.readline())
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except Exception as e:
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print("Failed to send",e)
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ser.close()
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if gui:
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input("Press Enter to continue...")
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exit()
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