#!/usr/bin/python
#
# tinycom_com.py
#
#                           --powered by liuyajun(20200316)
#################################################################

import os,sys
import serial
import threading
import linecache

from tqdm import tqdm
from pathlib import Path 

curpath = sys.path[0];
# config the sci com-parms
print("Tinycom-com>: #########################################################");
print("Tinycom-com>: # Tinycom-com");
# device
devstrtmp = linecache.getline(curpath + '/tinycomcfg', 1);
devstr = devstrtmp.strip("\n");
dev = Path(devstr);
if not(dev.exists()):
	print("\033[0;37;41m\nplz connect the SCI...");
        print devstr;
	print('\033[0m');
	exit();
# speed
spdstrtmp = linecache.getline(curpath + '/tinycomcfg', 2);
spdstr = spdstrtmp.strip("\n");
# connect
SERIAL_COM = serial.Serial(devstr, spdstr, timeout=0.2);
print "Tinycom-com>: #","Device: ",str(devstr)
print "Tinycom-com>: #","Speed: ",str(spdstr)
print "Tinycom-com>: #","Speed: "
print("Tinycom-com>: # ctrl+c / -ec / -exit: terminate communication");
print("Tinycom-com>: #########################################################");

def com_rx():
	while True:
		rcvstr = SERIAL_COM.readline();
		rcvstr = rcvstr.strip("\n");
		if len(rcvstr):
			print "Tinycom-com-RX>: ",rcvstr;


def com_tx():
	while True:
		cmdstr = raw_input("Tinycom-com-TX>: ");
		cmdstr = cmdstr.strip("\n");


		if cmdstr == "-ec":
			return;
		if cmdstr == "-exit":
			return;
		SERIAL_COM.write(cmdstr);


if __name__ == "__main__": 

	try:
		rxthread=threading.Thread(target=com_rx);
		rxthread.start();

		while True:
			cmdstr = raw_input("Tinycom-com-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');
		rxthread._Thread__stop();
		print "# END-tinycom-com"
		exit();