Initial upload

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Software/EPROM_NG.py

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+# kris@mygeekyhobby.com
+# ver 1.0 - may 2020	- initial release
+# ver 1.2 - june 2020 	- added save to SPI EEPROM functionality
+# 						- fixed the args parsing
+#						- added auto load wait option
+#						- added save SPI option
+
+import argparse
+import serial,os
+import time
+
+
+parser = argparse.ArgumentParser(description='This script sends data to EPROM Emulator over serial port, requires python 3.8 and pyserial "pip install pyserial"')
+
+
+
+parser.add_argument('file_arg', metavar='<file>', type=str, help='Data file in 8 bit InteHEX format')
+parser.add_argument('port_arg', metavar='<port>', type=str, help='Serial port to use, eg COM1 in Windows or "/dev/ttyUSB0" in Linux')
+
+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')
+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')
+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.')
+
+args = parser.parse_args()
+
+print("")
+print(args)
+print("")
+
+mem_type = ""
+if args.mem == "2716":
+	mem_type = ':ini16'
+	max_size = 2048
+elif args.mem == "2732":
+	mem_type = ':ini32'
+	max_size = 4096
+elif args.mem == "2764":
+	mem_type = ':ini64'
+	max_size = 8192
+elif args.mem == "27128":
+	mem_type = ':ini128'
+	max_size = 16384
+elif args.mem == "27256":
+	mem_type = ':ini256'
+	max_size = 32768
+elif args.mem == "27512":
+	mem_type = ':ini512'
+	max_size = 65536
+
+try:
+        ser = serial.Serial(port=args.port_arg,baudrate=115200,timeout=0.1,writeTimeout=0)
+except:
+        print("Failed to open port, verify port name")
+        exit()
+
+print("Using serial port {}, emulating: {} EPROM".format(args.port_arg,args.mem))
+
+time.sleep(2)	# on nano, opening the port will trigger reset of the arduino, so need to wait
+
+try:
+	for x in range(4):
+		data_tx = ("\r\n").encode()
+		ser.write(data_tx)
+	
+	ser.flushInput() # ignore anything waiting in the input buffer.
+	
+	print("\n-- attempting to get sync --")
+	
+	data_tx = (":dml\r\n").encode()
+	ser.write(data_tx)
+
+	response = ser.readline()
+	if "HW: " in response.decode():	# Emulator will respond with version number like "HW: v1.0"
+		print(response.decode())
+	elif "...." in response.decode():
+		print("Waiting for autoupload to finish... Note: you can disable autoupload by long pressing pushbutton")
+		while "..." in ser.readline().decode():
+			print(".")
+	
+		time.sleep(2)
+		ser.flushInput() # ignore anything waiting in the input buffer.
+
+		data_tx = (":dml\r\n").encode()
+		ser.write(data_tx)
+		response = ser.readline()
+		if "HW: " in response.decode():
+			print(response.decode())
+		else:
+			print("Failed to connect after autoload - exiting")
+			exit()
+	else:
+		print("Failed to connect - exiting")
+		exit()
+
+	#
+	# 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
+	# 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
+	# the emulator can reload this data when the button is pressed, can take up to 1min for 27512 - LED will quickly flash during loading.
+	#
+	if args.spi == "y":
+		print('-- Setting "Save to SPI EEPROM" option to enable --')
+		data_tx = (":iniSPI1\r\n").encode()
+		ser.write(data_tx)
+		response = ser.readline()
+		print(response.decode())
+	if args.spi == "n":
+		print('-- Setting "Save to SPI EEPROM" option to disable --')
+		data_tx = (":iniSPI0\r\n").encode()
+		ser.write(data_tx)
+		response = ser.readline()
+		print(response.decode())
+
+	#
+	# Set the Auto load from SPI EEPROM option
+	#
+	if args.auto == "y":
+		print('-- Setting "Auto load from SPI EEPROM" option to enable --')
+		data_tx = (":iniAuto1\r\n").encode()
+		ser.write(data_tx)
+		response = ser.readline()
+		print(response.decode())
+	if args.auto == "n":
+		print('-- Setting "Auto load from SPI EEPROM" option to disable --')
+		data_tx = (":iniAuto0\r\n").encode()
+		ser.write(data_tx)
+		response = ser.readline()
+		print(response.decode())
+
+	print("-- prcessing file --")
+
+	start = time.time()
+	bytesdata = 0
+
+	with open(args.file_arg) as fp:
+		while True:
+			line = fp.readline()
+			ser.write(line.encode())
+			response = ser.readline()
+			print(response[:-2].decode("utf-8"))
+			if line[7:9] == "00": # count only data records
+				bytesdata += len(line[9:-3])//2
+			if not line:
+				break
+	
+	taken = time.time() - start
+
+	print("Sent {} bytes in {} seconds\n".format(str(bytesdata),round(taken,2)))
+
+	if bytesdata > max_size:
+		print("Warninig!!! Sent {} bytes, but the selected {} EPROM can only hold {} bytes...\n".format(str(bytesdata),str(args.mem),str(max_size)))
+
+	print("-- Setting EPROM Type --")
+
+	data_tx = (mem_type + "\r\n").encode()
+	ser.write(data_tx)
+	response = ser.readline()
+	print(response.decode())
+
+	print("-- Finished -- ")
+	
+	#while(True):
+	#	if ser.in_waiting > 0:
+	#		print(ser.readline())
+
+except Exception as e:
+	print("Failed to send",e)
+	
+ser.close()
+exit()