#!/usr/bin/env python3 # ported from /home/ff/eecs151/tools-151/bin/coe_to_serial import os import serial import sys import time # Windows if os.name == 'nt': ser = serial.Serial() ser.baudrate = 115200 ser.port = 'COM11' # CHANGE THIS COM PORT ser.open() else: ser = serial.Serial('/dev/ttyUSB0') ser.baudrate = 115200 if len(sys.argv) != 3: print("Usage: hex_to_serial <hex file> <base address>\nExample: hex_to_serial echo.hex 30000000") sys.exit(1) addr = int(sys.argv[2], 16); with open(sys.argv[1], "r") as f: program = f.readlines() if ('@' in program[0]): program = program[1:] # remove first line '@0' program = [inst.rstrip() for inst in program] size = len(program)*4 # in bytes # write a newline to clear any input tokens ser.write(bytearray([ord('\r')])) command = "file {:08x} {:d} ".format(addr, size) print("Sending command: {}".format(command)) for char in command: ser.write(bytearray([ord(char)])) time.sleep(0.01) for inst_num, inst in enumerate(program): for char in inst: ser.write(bytearray([ord(char)])) time.sleep(0.005) time.sleep(0.005) if (inst_num == len(program)-1): print("Sent {:d}/{:d} bytes".format(4+inst_num*4, size), end='\n') else: print("Sent {:d}/{:d} bytes".format(4+inst_num*4, size), end='\r') print("Done")