# Authored by Jonathan Scott James the great On WOKWI
# LCD 1602 8 bit bitbang For general purpose interface as car tachometer voltage meter chronometer frequency counter waveform monitor for generator
machine.Pin(26, machine.Pin.IN) #ADC
machine.Pin(27, machine.Pin.IN, machine.Pin.PULL_DOWN) #key 2 bottom key
machine.Pin(28, machine.Pin.IN, machine.Pin.PULL_DOWN) #key 1 top key
ttt=1;t=3600*24*366+28;t=3600*24*22-9 # python sets the precisio level when you first assign the number according to what will fit in the value you assign it to.
def tickjsj():
    global t
    t=t+1
machine.Timer().init(period=1000, callback=lambda t:tickjsj())
machine.Pin(10, machine.Pin.OUT) #(e)enable
machine.Pin(9, machine.Pin.OUT) #(rs)register select
machine.Pin(8, machine.Pin.OUT) #(r/w)read/weite 
machine.Pin(7, machine.Pin.OUT) #(d7)data bit7
machine.Pin(6, machine.Pin.OUT) #(d6)data bit6
machine.Pin(5, machine.Pin.OUT) #(d5)data bit5
machine.Pin(4, machine.Pin.OUT) #(d4)data bit4
machine.Pin(3, machine.Pin.OUT) #(d3)data bit3
machine.Pin(2, machine.Pin.OUT) #(d2)data bit2
machine.Pin(1, machine.Pin.OUT) #(d1)data bit1 
machine.Pin(0, machine.Pin.OUT) #(d0)data bit0
#send initialization sequence by bit banging wurg the gpio
machine.lightsleep(500)
#  Display ON/OFF
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  0  0  1  D  C  B
#  (D)display ON/OFF  (C)cursorON/OFF  (B)blink cursor
#   D=1:display ON;D=0:display OFF.C=1:cursor ON;C=0:cursor OFF.B=1:blink cursor ON;B=0:blink cursor OFF.
machine.Pin(10).value(0)  # Enable 1=Enable
machine.Pin(9).value(0)#RS instruction=0 data=1

machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2 display on
machine.Pin(1).value(1) #d1 cursor
machine.Pin(0).value(0) #d0 blink
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
# done
#**********************************
#  Write character to dispay at current position then incrimnent/dectiment CG/DDRAM
#  Function  Set 
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  1  DL N  F  x  x # dl=
#  DL=1: 8bit; DL=0: 4bits
#  N=1: 2line; N=0: 1lines
#  F=1: 5x10 characters; F=0: 5x7 characters

machine.Pin(8).value(0)#R/W 1=R 0=W
machine.Pin(9).value(0)#RS instruction=0 data=1
machine.Pin(10).value(0)  # Enable 1=Enable

machine.lightsleep(1)
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#TURN ON DATA MODE
machine.Pin(9).value(1) # RS instruction=0 data=1
chrx=0
ltwo=0
while 1:
  for nn in range(16):
    chrx=chrx*(chrx<253)+1 

    machine.Pin(7).value((chrx/2)=(int(chrx/2))) #d7
    machine.Pin(6).value( ((int(chrx/128)) /2)= ((int( int(chrx/128) )/2) )) #d6
    machine.Pin(5).value( ((int(chrx/64)) /2)= ((int( int(chrx/64) )/2) )) #d5
    machine.Pin(4).value( ((int(chrx/32)) /2)= ((int( int(chrx/32) )/2) )) #d4
    machine.Pin(3).value( ((int(chrx/16)) /2)= ((int( int(chrx/16) )/2) )) #d3
    machine.Pin(2).value( ((int(chrx/8)) /2)= ((int( int(chrx/8) )/2) )) #d2
    machine.Pin(1).value( ((int(chrx/4)) /2)= ((int( int(chrx/4) )/2) )) #d1
    machine.Pin(0).value(int(chrx/2)/2=int(int(chrx/2)/2)) #d0

    machine.Pin(10).value(1)  # Enable 1=Enable
    machine.lightsleep(1)
    machine.Pin(10).value(0)  # Enable 1=Enable
    machine.lightsleep(1)
  ltwo=(not ltwo) 
  #  Set DDRAM Address 
  # 0   0   1   AC6 AC5 AC4 AC3 AC2 AC1 AC0 
  machine.Pin(9).value(0)#RS instruction=0 data=1
  machine.Pin(7).value(1) #d7
  machine.Pin(6).value(0) #d6
  machine.Pin(5).value(0) #d5
  machine.Pin(4).value(ltwo) #d4
  machine.Pin(3).value(ltwo) #d3
  machine.Pin(2).value(0) #d2
  machine.Pin(1).value(ltwo) #d1
  machine.Pin(0).value(0) #d0
  machine.Pin(10).value(ltwo)  # Enable 1=Enable
  machine.lightsleep(1)
  machine.Pin(10).value(0)  # Enable 1=Enable
  machine.lightsleep(1)

  machine.Pin(9).value(1)#RS instruction=0 data=1

#0
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#1

machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#2
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#3
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#4
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#5
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#6
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
#7
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#8
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#9
machine.Pin(7).value(0) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
#A
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
#B
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
#c
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0

machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#D
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#E
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)


#F
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#------------------------------
#  Set DDRAM Address 
# 0   0   1   AC6 AC5 AC4 AC3 AC2 AC1 AC0 
machine.Pin(9).value(0)#RS instruction=0 data=1
machine.Pin(7).value(1) #d7
machine.Pin(6).value(0) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

machine.Pin(9).value(1)#RS instruction=0 data=1

#G
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#G
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)


#H
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#*********************


#H
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
#*********************
#I
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#J
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
machine.lightsleep(100)
#K
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#L
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#M
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#N
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#O
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#P
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#Q
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#R
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(1) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)
#***********************************
#G
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)


#H
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(10)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(10)


#I
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(10)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(10)

#J
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#K
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#L
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#M
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#N
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#O
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(0) #d4
machine.Pin(3).value(1) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#P
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#S
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#R
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#S
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(0) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#T
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#U
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(0) #d1
machine.Pin(0).value(1) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

#V
machine.Pin(7).value(0) #d7
machine.Pin(6).value(1) #d6
machine.Pin(5).value(0) #d5
machine.Pin(4).value(1) #d4
machine.Pin(3).value(0) #d3
machine.Pin(2).value(1) #d2
machine.Pin(1).value(1) #d1
machine.Pin(0).value(0) #d0
machine.Pin(10).value(1)  # Enable 1=Enable
machine.lightsleep(1)
machine.Pin(10).value(0)  # Enable 1=Enable
machine.lightsleep(1)

machine.lightsleep(10000)

#DEC HEX BIN    Symbol
#       76543210
# 32 20 00100000 ␠
# 33 21 00100001 !
# 34 22 00100010 "
# 35 23 00100011 #
# 36 24 00100100 $
# 37 25 00100101 %
# 38 26 00100110 &
# 39 27 00100111 '
# 40 28 00101000 (
# 41 29 00101001 )
# 42 2A 00101010 *
# 43 2B 00101011 +
# 44 2C 00101100 ,
# 45 2D 00101101 -
# 46 2E 00101110 .
# 47 2F 00101111 /
# 48 30 00110000 0
# 49 31 00110001 1
# 50 32 00110010 2
# 51 33 00110011 3
# 52 34 00110100 4
# 53 35 00110101 5
# 54 36 00110110 6
# 55 37 00110111 7
# 56 38 00111000 8
# 57 39 00111001 9
# 58 3A 00111010 :
# 59 3B 00111011 ;
# 60 3C 00111100 <
# 61 3D 00111101 =
# 62 3E 00111110 >
# 63 3F 00111111 ?
# 64 40 01000000 @
# 65 41 01000001 A
# 66 42 01000010 B 
# 67 43 01000011 C
# 68 44 01000100 D
# 69 45 01000101 E
# 70 46 01000110 F
# 71 47 01000111 G
# 72 48 01001000 H
# 73 49 01001001 I
# 74 4A 01001010 J
# 75 4B 01001011 K
# 76 4C 01001100 L
# 77 4D 01001101 M
# 78 4E 01001110 N
# 79 4F 01001111 O
# 80 50 01010000 P
# 81 51 01010001 Q
# 82 52 01010010 R
# 83 53 01010011 S
# 84 54 01010100 T
# 85 55 01010101 U
# 86 56 01010110 V
# 87 57 01010111 W
# 88 58 01011000 X
# 89 59 01011001 Y
# 90 5A 01011010 Z
# 91 5B 01011011 [
# 92 5C 01011100 \
# 93 5D 01011101 ]
# 94 5E 01011110 ^
# 95 5F 01011111 _
# 96 60 01100000 `
# 97 61 01100001 a
# 98 62 01100010 b
# 99 63 01100011 c
# 100 64 01100100 d
# 101 65 01100101 e
# 102 66 01100110 f
# 103 67 01100111 g
# 104 68 01101000 h
# 105 69 01101001 i
# 106 6A 01101010 j
# 107 6B 01101011 k
# 108 6C 01101100 l
# 109 6D 01101101 m
# 110 6E 01101110 n
# 111 6F 01101111 o
# 112 7001110000 p
# 113 71 01110001 q
# 114 72 01110010 r
# 115 73 01110011 s
# 116 74 01110100 t
# 117 75 01110101 u
# 118 76 01110110 v
# 119 77 01110111 w
# 120 78 01111000 x
# 121 79 01111001 y
# 122 7A 01111010 z
# 123 7B 01111011 {
# 124 7C 01111100 |
# 125 7D 01111101 }
# 126 7E 01111110 ~
# 127 7F 01111111 ␡

# nn=3600*24*366*28;m=nn;d=nn;s=nn;nn=1;b2b=0;d=12;k=0;b=0;kk=0;bb=0;sevenSeg="1111110011000011011011111001011001110110111011111111000011111111111011";
tt=" "
eightbitsevensegreversed="00111111000001100101101101001111011001100110110101111101000001110111111101101111"
ssebr=eightbitsevensegreversed
k=0;b=0;k2=0;b2=0
puter=bytearray(1)
while 1:
  k=machine.Pin(28).value()
  if (k>b):
    k1=k1+1-4*(k1>3)
  b=k
  k2=machine.Pin(27).value()
  if (k2>b2):
    k1=k1+1-4*(k1>3)
  b2=k2
  rvdc=machine.ADC(26).read_u16()
  if ttt==t:
    print(end="")
    #machine.lightsleep(1)
  if ttt!=t:
    ttt=t
    s=str(int((t/60-t//60)*60));m=str(int((t/3600-t//3600)*60));h=str(int((t/86400-t//86400)*24));d=str(t//86400);w=str((t//86400*7))    # Extrapolate seconds hours minutes and days from raw uptime seconds
    tt=("00"+d)[-2:]+("00"+h)[-2:]+("00"+m)[-2:]+("00"+s)[-2:]+"77" # compile the output buffer 
    for nn in range(8):
      n=int(tt[nn])
      machine.SPI(0,baudrate=1024,sck=machine.Pin(2),mosi=machine.Pin(3),miso=machine.Pin(4)).readinto(puter,int(ssebr[n*8:n*8+8],2))
      chrout=str(puter)[12]
      if chrout==chr(92):
        print(ord(chr(int("0x"+(str(puter)[14:16])))),"$",end="")
      if chrout!=chr(92):
        print(ord(str(puter)[12]),"@",end="")
    machine.Pin(0).value(0)    # low latched the data into the display
    machine.Pin(0).value(1)    # high latched the data into the display
    print("")

#**********************************


# #  Function  Set 
# # rs rw d7 d6 d5 d4 d3 d2 d1 d0
# # 0  0  0  0  1  DL N  F  x  x
# #  Set the interface data length(DL). Number of display lines(N). character font(F). data buss bits (DL)
# #  DL=1: 8 bits ; DL=0: 4bits.
# #  N=1: 2 lines ; N=0: 1 lines.
# #  F=1:5x10dot characters ; F=0:5x7dot.
# machine.Pin(7).value(0) #d7
# machine.Pin(6).value(0) #d6
# machine.Pin(5).value(1) #d5
# machine.Pin(4).value(1) #d4
# machine.Pin(3).value(1) #d3
# machine.Pin(2).value(0) #d2
# machine.Pin(1).value(0) #d1
# machine.Pin(0).value(0) #d0
# machine.Pin(10).value(1)  # Enable 1=Enable
# machine.lightsleep(1)
# machine.Pin(10).value(0)  # Enable 1=Enable
# machine.lightsleep(1)

# # #  Home
# # # rs rw d7 d6 d5 d4 d3 d2 d1 d0
# # # 0  0  0  0  0  0  0  0  1  x 
# # #  Return the cursor to the home position.
# # machine.Pin(7).value(0) #d7
# # machine.Pin(6).value(0) #d6
# # machine.Pin(5).value(0) #d5
# # machine.Pin(4).value(0) #d4
# # machine.Pin(3).value(0) #d3
# # machine.Pin(2).value(0) #d2
# # machine.Pin(1).value(1) #d1
# # machine.Pin(0).value(0) #d0
# # machine.Pin(10).value(1)  # Enable 1=Enable
# # machine.lightsleep(1)
# # machine.Pin(10).value(0)  # Enable 1=Enable
# # machine.lightsleep(1)

# #  Cursoror Display shift(inserts a space charaster without changing mode back and forth)
# # rs rw d7 d6 d5 d4 d3 d2 d1 d0
# # 0  0  0  0  0  1 S/C R/L x x
# #  S/C=1:Display shift;S/C=0:Cursor move.R/L=1:shift to right;R/L=0:shift to left.
# machine.Pin(7).value(0) #d7
# machine.Pin(6).value(0) #d6
# machine.Pin(5).value(0) #d5
# machine.Pin(4).value(1) #d4
# machine.Pin(3).value(0) #d3
# machine.Pin(2).value(1) #d2
# machine.Pin(1).value(0) #d1
# machine.Pin(0).value(0) #d0
# machine.Pin(10).value(1)  # Enable 1=Enable
# machine.lightsleep(1)
# machine.Pin(10).value(0)  # Enable 1=Enable
# machine.lightsleep(1)

# machine.Pin(9).value(1)#RS instruction=0 data=1

#instructions abd their formats
#*****************************
#  ClearDisplay
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  0  0  0  0  0  1 
#  Clears entire display and returns the cursor to home position(address0).
#****************************
#  Home
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  0  0  0  0  1  x 
#  Return the cursor to the home position.Also returns the
#  display being shifted to the original position.DDRAM
#  contents remain unchanged.
#****************************
#  Entrymode set (direction insert)
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  0  0  0  1 I/D S
#  left to righ and insert whriteover(normal i/d=1 s=0)
#  (I/D=1:increment I/D=0:decrement)(S=0 write over S=1:insert)
#****************************
#  Display ON/OFF
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  0  0  1  D  C  B
#  (D)display ON/OFF  (C)cursorON/OFF  (B)blink cursor
#   D=1:display ON;D=0:display OFF.C=1:cursor ON;C=0:cursor OFF.B=1:blink cursor ON;B=0:blink cursor OFF.
#****************************
#  Cursoror Display shift(inserts a space charaster without changing mode back and forth)
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  0  1 S/C R/L x x
#  Move the cursor and shift the display without changing DDRAM contents.
#  S/C=1:Display shift;S/C=0:Cursor move.R/L=1:shift to right;R/L=0:shift to left.
#****************************
#  Function  Set 
# rs rw d7 d6 d5 d4 d3 d2 d1 d0
# 0  0  0  0  1  DL N  F  x  x
#  Set the interface data length(DL). Number of display lines(N). character font(F). data buss bits (DL)
#  DL=1: 8 bits ; DL=0: 4bits.
#  N=1: 2 lines ; N=0: 1 lines.
#  F=1: 5dot x 10dot characters ; F=0: 5dot x 7dot characters.
#****************************
#  Set CGRAM address
# rs  rw  d7  d6  d5  d4  d3  d2  d1  d0
# 0   0   0   1   cA0 cA1 cA2 cA3 cA4 cA5
#  custom character(CGRAM) address. Custom characters patterns are stored in these bytes. Is how to define a custom character.
#****************************
#  Set DDRAM Address 
# rs  rw  d7  d6  d5  d4  d3  d2  d1  d0
# 0   0   1   AC6 AC5 AC4 AC3 AC2 AC1 AC0 
#  Set position in display where next character will ve written DDRAM address in address counter
#****************************
#  Readbusy flag & address
# rs  rw  d7  d6  d5  d4  d3  d2  d1  d0
# 0   1   BF  AC6 AC5 AC4 AC3 AC2 AC1 AC0 
#  Reads BusyFlag(BF) indicating internal operationis being performed and reads address counter contents.
#  BF=1:internally operating. 0:can accept instructions
#****************************
#  Write character to dispay at current position then incrimnent/dectiment CG/DDRAM
# rs  rw  d7  d6  d5  d4  d3  d2  d1  d0
# 1   0   d0  d1  d2  d3  d4  d5  d6  d7
#  Writes character code to dispay then incrimnent/dectiment position
#****************************
#  Reads character code from dispay at current position ,, then maybe incrimnent/dectiment CG/DDRAM
# rs  rw  d7  d6  d5  d4  d3  d2  d1  d0
# 1   1   d0  d1  d2  d3  d4  d5  d6  d7
#  reads character code from current dispay Position ,, then maybe incrimnent/dectiment position
#****************************
#****************************
# https://hades.mech.northwestern.edu/images/f/f7/LCD16x2_HJ1602A.pdf
# SEARCH FOR "15.24-bitoperation(4-bit,1line)""
# *********************************************
# LCD1602 initialization sequence
# put pins in output mode
# machine.Pin(10, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(e)enable
# machine.Pin(9, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(rs)register select
# machine.Pin(8, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(r/w)read/weite 
# machine.Pin(7, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d7)data bit7
# machine.Pin(6, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d6)data bit6
# machine.Pin(5, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d5)data bit5
# machine.Pin(4, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d4)data bit4
# machine.Pin(3, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d3)data bit3
# machine.Pin(2, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d2)data bit2
# machine.Pin(1, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d1)data bit1 
# machine.Pin(0, machine.Pin.OUT, machine.Pin.PULL_DOWN) #(d0)data bit0

#
#initialization sequence bytes in bynary
# rs rw d7 d6 d5 d4 d3 d2 d1 d0 #R/W 1=R 0=W
# 0  0  0  0  1  1  0  0  0  0
# 0  0  0  0  1  1  0  0  0  0
# 0  0  0  0  1  1  0  0  0  0

# rs rw d7 d6 d5 d4 d3 d2 d1 d0 #R/W 1=R 0=W
# 0  0  0  0  1  1  1  1  0  0  #LARGE FONT 2 LINES
# 0  0  0  0  0  0  1  0  0  0  #
# 0  0  0  0  0  0  0  0  0  1  #
# 0  0  1  0  0  0  0  0  0  0  #
# 0  0  0  0  0  0  0  1  1  0  # incriment, write over (not insert text)
#*******************************************