import serial
import struct
import binascii
import sys
import time

def printf(format, *args):
    sys.stdout.write(format % args)	

#=====================================================	
# Open the Serial Interface	
com6 = serial.Serial()
 
com6.port=5
com6.baudrate = 9600
com6.parity=serial.PARITY_NONE
com6.rtscts=1
com6.timeout=None
com6.stopbits=serial.STOPBITS_ONE
com6.bytesize=serial.EIGHTBITS

com6.open()    
 
#get the status 
print(com6.isOpen())

#get the settings
com6.getSettingsDict()

#=====================================================
# Write Letters to the first line

for i in range(0,16):
	com6.write("X")
	time.sleep(0.5)

#=====================================================

s_send_data = struct.Struct('b b b b')

# enable the other elementes with a value > 0
# some of the elements can be dimmed over the value 
# all normal elements 0x30

for i in range(0,30):
    for y in range(1,12): 
		printf("Command :: 0x1B 0x30 %d %d \n", i,y)
		commands=(0x1B, 0x30, i ,y)
		command_packed_data = s_send_data.pack(*commands)
		com6.write(command_packed_data)
		print 'Original values::', commands
		print 'Format string  ::', s_send_data.format
		print 'Uses           ::', s_send_data.size, 'bytes'
		print 'Packed Value   ::', binascii.hexlify(command_packed_data)
		time.sleep(0.1)

# check what happens with  0x31
for i in range(0,30):
    for y in range(1,12): 
		printf("Command :: 0x1B 0x31 %d %d \n", i,y)
		commands=(0x1B, 0x31, i ,y)
		command_packed_data = s_send_data.pack(*commands)
		com6.write(command_packed_data)
		print 'Original values::', commands
		print 'Format string  ::', s_send_data.format
		print 'Uses           ::', s_send_data.size, 'bytes'
		print 'Packed Value   ::', binascii.hexlify(command_packed_data)
		time.sleep(0.1)


# check what happens with  0x32
for i in range(0,5):
    for y in range(1,12): 
		printf("Command :: 0x1B 0x32 %d %d \n", i,y)
		commands=(0x1B, 0x32, i ,y)
		command_packed_data = s_send_data.pack(*commands)
		com6.write(command_packed_data)
		print 'Original values::', commands
		print 'Format string  ::', s_send_data.format
		print 'Uses           ::', s_send_data.size, 'bytes'
		print 'Packed Value   ::', binascii.hexlify(command_packed_data)
		time.sleep(0.1)
				
#=====================================================
#Switch off the elements
#

for x in range(0,30):
	commands=(0x1B, 0x30, x ,0)
	command_packed_data = s_send_data.pack(*commands)
	com6.write(command_packed_data)		

	
for x in range(0,30):
	commands=(0x1B, 0x31, x ,0)
	command_packed_data = s_send_data.pack(*commands)
	com6.write(command_packed_data)		

	
#=====================================================
#alternativ	
#use escaped syntax to pack the data to transmit
#Switch on
#command="\x1B\x30\x00\x03"	
#com6.write(command)
#Swith off
#command="\x1B\x30\x00\x00"	
#com6.write(command)

#=====================================================
#Switch to line 2
#
command="\x1B\x22"
com6.write(command)

#Write a letter to line 2

for i in range(0,16):
	com6.write("W")
	time.sleep(0.5)


#=====================================================
#
s_send_data = struct.Struct('b b')	
#
#Delete the line

commands=(0x1B, 0x50 )
command_packed_data = s_send_data.pack(*commands)

com6.write(command_packed_data)


#=====================================================
#Switch back to  line 1
#
command="\x1B\x21"
com6.write(command)

#delete also

commands=(0x1B, 0x50 )
command_packed_data = s_send_data.pack(*commands)
com6.write(command_packed_data)

	

#=====================================================
# Time
#
#Set the clock  0x1B 0x00 M H T M J J
#to set a real date use 2Byte BCD values

command="\x1B\x00\x04\x04\x04\x04\x04\x04"
com6.write(command)

#show the Clock 0x1B 0x05
command="\x1B\x05"
com6.write(command)


	
#=====================================================
#Close the port
com6.isOpen()
 
com6.close()
 
exit()