Added a CLI-only version of the python code
For testing on machines where it's hard to install the GUI library
This commit is contained in:
Kris Sekula
GitHub
parent
00e1931a4b
commit
d31ae26876
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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 1.6e - fixed bug with SPI==y
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#
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# ver 2.0rc1 - Oct 2020 - save parameters in GUI
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# - .bin and .hex file support
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# - binary mode upload with packets of 128-512 bytes at a time
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# - Save to SPI works with any type of data range (any source file less than 128 bytes gets "padded" with 0xFF)
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# ver 2.0rc2 - Oct 2020 - support other extenstions like .rom .img etc... everything not .hex is treated as binary (thanks to Hubert for the feedback and contribution)
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# - fixed bug where a 128Byte of "00h" was treated as "no data" (thanks to Hubert for the feedback and contribution)
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# ver 2.0rc3 - Oct 2020 - code from rc1 that was missing in rc2 was added back, one typo fixed (thx again Hubert)
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version = "2.0rc3"
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import argparse
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import serial,os
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import time
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import sys
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# All routines here
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# Print int list in Hex format (for debugging only)
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def PrintHex(intList):
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row = 0
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for val in intList:
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print("%0.2X"%val, end=' ', flush=True)
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row += 1
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if row == 64:
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print("")
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row=0
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# -----------------------------------------------------------------------
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def chunkData(bfr):
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"""
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Analyze the 64k buffer, find all 128Byte chunks that are in use (have data != to -1)
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Will return a list of 512 entries with "1" meaning block of 128Bytes had data chaned and "0" no data changed
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"""
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mapped=[]
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for i in range(0,len(bfr),128):
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chunk = bfr[i:i+128] # split buffer into 128 Bytes chunks
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used = False
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for cell in chunk: # if any byte changed, mark chunk for upload
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if cell >= 0:
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used = True
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if used:
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mapped.append(1)
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else:
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mapped.append(0)
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return mapped
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# -----------------------------------------------------------------------
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def plotData(mapped):
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"""
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Display map of data usage in the buffer, "*" data used and "_" not used
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"""
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col=0
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for idx in range(len(mapped)):
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if idx == 0: # first address special case
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print("0x%0.4X"%idx, end=' ', flush=True)
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if mapped[idx] == 1:
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print("*", end=' ', flush=True)
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else:
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print("_", end=' ', flush=True)
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col+=1
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if col == 32:
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if (idx*128+128) < 65535:
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print("")
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print("0x%0.4X"%int(idx*128+128),end=' ', flush=True)
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col=0
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return
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# -----------------------------------------------------------------------
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def packetData(mapped):
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data=[]
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"""
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create a list of tuples [(start_address,size),(start_address,size),...,(start_address,size)] ... size can be 128,256,384,512
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in other words find continues ranges of 128Byte data that has changed, group into packets of 128-512 bytes, create a list for later processing
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"""
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n=0
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col=0
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start=-2
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for idx in range(len(mapped)):
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if mapped[idx] == 1:
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if n == 0:
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start = idx*128
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n+=1
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if n == 4:
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data.append((start,512))
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n=0
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else:
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if n > 0:
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start = (idx-n)*128
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data.append((start,n*128))
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n=0
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start = -2
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return data
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# -----------------------------------------------------------------------
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def Decode(len, sum, addr, data):
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"""
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Borrowed this from www.sbprojects.net, credits to San Bergmans
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Decode an Intel string.
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Returns a list of N bytes.
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Returns an empty list if an error has occurred.
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"""
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global Errors
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checksum = len + (addr & 0xFF) + (addr >> 8)
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index = 0
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bytes = []
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if len <= 0 or len > 32:
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# Illegal length
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Eprint("Illegal line length found.")
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Errors += 1
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return bytes
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while len > 0:
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# Iterate over all data bytes
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decimal = int(data[index:index+2], 16)
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bytes.append(decimal)
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checksum = checksum + decimal
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index += 2
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len -= 1
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checksum = (checksum + int(sum, 16)) & 0xFF
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if checksum != 0:
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# Checksum didn't add up
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Eprint("Checksum error.")
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bytes = []
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Errors += 1
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return bytes
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return bytes
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# -----------------------------------------------------------------------
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def ParseIntelLine(line):
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"""
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Borrowed this from www.sbprojects.net, credits to San Bergmans
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Parse an IntelHex line.
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Record types 02, 03, 04 and 05 are ignored.
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Maximum payload length is 32 bytes.
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Everything after the checksum is ignored.
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Returns True if EOF record found, or when an error is found.
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"""
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global Errors
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# Remove EOL character and leading and trailing white space
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line = line.strip()
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if len(line) == 0:
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# Ignore empty lines
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return False
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# Pad the line with plenty of spaces to make parsing easier
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# We don't have to worry about the line being too short
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line = line + ' '*74
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if line[0] in ('#', ';'):
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# Ignore lines starting with a comment symbol
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return False
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if line[0] != ":":
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# Line must begin with a colon
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Eprint("Illegal start of formatted line.")
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Errors += 1
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return True
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if line[7:9] in ('02', '03', '04', '05'):
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# These record types are simply ignored
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return False
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if line[0:11] == ":00000001FF":
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# End of file marker found
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return True
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datalength = int(line[1:3], 16)
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checksum_index = (datalength + 4) * 2 + 1
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checksum = line[checksum_index:checksum_index + 2]
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address = int(line[3:7], 16)
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data = line[9:checksum_index]
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# Decode the dataline
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bytes = Decode(datalength, checksum, address, data)
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if len(bytes) == 0:
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# Decoding the line resulted in an error
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return True
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#print(address, bytes)
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for x in range (0,len(bytes)):
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buff64k[x+address] = bytes[x]
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# -----------------------------------------------------------------------
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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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if len(sys.argv) >= 2:
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parser = argparse.ArgumentParser(description='This script sends data to EPROM Emulator over serial port, requires python 3.8')
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parser.add_argument('file_arg', metavar='<file>', type=str, help='Data file in 8 bit iHEX (*.hex) or binary format (*.*, all other extensions except *.hex)')
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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')
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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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parser.add_argument('-start', metavar='<start>', type=str, default="0x0000", help='start address for loading binary files, defaults to 0x0000 if none provided')
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parser.add_argument('-map', metavar='y/n', choices=['y','n'], default=True, help='Show a map of memory usage after loading files')
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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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startaddrstr = args.start
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mapmem = args.map
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file = args.file_arg
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gui = False
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else:
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print("Missing CLI parameters")
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exit()
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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=0.5,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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# ------------------------------------------------------------------------
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buff64k = [-1]*65536
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# -------------------------------------------------------------------------
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print ("\nRunning EPROM EMU NG python script version",version)
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print("")
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print("File used: {}\n".format(os.path.basename(file)))
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filename, file_extension = os.path.splitext(file)
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if file_extension.lower() == ".hex":
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isbin = False
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else:
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isbin = True
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if isbin: # process bin
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startaddr = int(startaddrstr, 16)
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binfile = open(file,"rb").read()
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file_size = len(binfile)
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# load the binary file into the buffer at start location
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for x in range (0,file_size):
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buff64k[x+startaddr] = binfile[x]
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print("Done processing bin\n")
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else: # process hex file
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Bytes_Written = 0
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Errors = 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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if len(line) > 0:
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if ParseIntelLine(line):
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break
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else:
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break
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if Errors == 0:
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print("Done processing hex\n")
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fp.close()
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# generate data map (list of 128Byte chunks that has data)
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datamap = chunkData(buff64k)
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# display map of data in buffer
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if mapmem == "y":
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print('Each symbol represents 128Bytes "*" with data, "-" with no data\n')
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plotData(datamap)
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else:
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print("Memory map disabled")
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# process data map into a list of 128Byte chunks that can be sent in 1,2,3 or 4 chunks of 128Bytes to the emulator
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data = packetData(datamap)
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# ----------------------------------------------------------------------------------
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print("\n\nUsing serial port {}, emulating: {} EPROM".format(port,mem))
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time.sleep(4) # 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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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("-- processing file --\n")
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start = time.time()
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for StartAddr,FrameSize in data:
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# request byte frame processing
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data_tx = (":SBN\r\n").encode()
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ser.write(data_tx)
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# Wait for ACK
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response = ser.readline() # this is a form of sync before the array gets sent
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# Send address and no of bytes incomming
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ser.write((str(StartAddr)+"\n").encode())
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ser.write((str(FrameSize)+"\n").encode())
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# set un-used bytes "-1" to "0xffh"
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for x in range (StartAddr,StartAddr+FrameSize):
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if buff64k[x] < 0:
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buff64k[x] = 0xff
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#print("\nBuffer: ", len(buff64k[StartAddr:StartAddr+FrameSize])," Start Address:",str(hex(StartAddr)))
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#PrintHex(buff64k[StartAddr:StartAddr+FrameSize])
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# send to emulator
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ser.write(buff64k[StartAddr:StartAddr+FrameSize])
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# Wait for ACK
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response = ser.readline()
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print("0x%0.4X"%StartAddr,response.decode().strip(), end='\r', flush=True)
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taken = time.time() - start
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print("\n\nTime taken to transfer: {}s \n".format(str(round(taken,2))))
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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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# enable emulation
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data_tx = (":EMUON\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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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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sys.exit(0)
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