#!/usr/bin/python
#
# tinycom_sf.py
#
# CMD: python tinycom_sf.py "send_file_path" on/off(1: start rx thread) 
#                           --powered by liuyajun(20200316)
#################################################################

import os,sys
import serial
import threading
import serial
import linecache
from tqdm import tqdm
from pathlib import Path

curpath = sys.path[0];

print("Tinycom-sf>: ###########################################################");
print("Tinycom-sf>: # Tinycom-sf");
print("Tinycom-sf>: #");
print("Tinycom-sf>: # ctrl+c / -ec / -exit: terminate downloading");
print("Tinycom-sf>: ###########################################################");

###
devstr = linecache.getline(curpath + '/tinycomcfg', 1);
devstr = devstr.strip("\n");
dev = Path(devstr);
if not(dev.exists()):
	print("\033[0;37;41m\nplz connect the SCI...");
        print devstr;
	print('\033[0m');
	exit();

###
spdstr = linecache.getline(curpath + '/tinycomcfg', 2);
spdstr = spdstr.strip("\n");
SERIAL_COM = serial.Serial(devstr, spdstr, timeout=0.2);

###
#sfstr = linecache.getline(curpath + '/tinycom_sendfile_tmp', 1);
#sfstr = sfstr.strip("\n");
sfstr = Path(sys.argv[1]);
sf = Path(sfstr)
if not(sf.is_file()):
	print("\033[0;37;41m\nthe file does not exist!");
        print sfstr;
	print('\033[0m');
	exit();

###
def com_rx():
	while True:
		rcvstr = SERIAL_COM.readline();
		rcvstr = rcvstr.strip("\n");
		if len(rcvstr):
			print "Tinycom-sf-RX>: ",rcvstr;
###
if sys.argv[2] == "on":
	rxthread=threading.Thread(target=com_rx);
	rxthread.start();

###		
if __name__ == '__main__':
	try:
		# tinycom_sendfile_tmp
		print "Tinycom-sf>: ",devstr,spdstr,sfstr;

		frs = open(str(sfstr));
		rls = frs.readlines();

		print("\033[4;30;47mdownloading...");
		pbar = tqdm(total=len(rls));
		for i in rls:
			SERIAL_COM.write(i);
			pbar.update( 1 );
		frs.close();
		print("\nok!");
		print('\033[0m');		

		if sys.argv[2] == "on":
			while True:
				cmdstr = raw_input("Tinycom-sf-TX>: ");
				cmdstr = cmdstr.strip("\n");
				if cmdstr == "-ec":
					rxthread._Thread__stop();
					break;
				if cmdstr == "-exit":
					rxthread._Thread__stop();
					break;
				SERIAL_COM.write(cmdstr);
	except: 
		print('\033[0m');
		if sys.argv[2] == "on":
			rxthread._Thread__stop();
		print "# END-tinycom-sf"
		exit();