From 0f5c3423b32db5c763873f74d743c1a746255705 Mon Sep 17 00:00:00 2001
From: Robin Clark <robin48gx@gmail.com>
Date: Sun, 17 Jul 2022 18:13:06 +0100
Subject: [PATCH] works now! needs space (i.e. long pauses should create a
 space) also the first character seems to disappear.

---
 main.py | 141 +++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 118 insertions(+), 23 deletions(-)

diff --git a/main.py b/main.py
index cbf316a..069a81e 100644
--- a/main.py
+++ b/main.py
@@ -10,16 +10,16 @@ import time
 logFileName = "atmosphere_log.txt"
 mindex=0
 morse = []
-bme688 = KitronikBME688()
+#bme688 = KitronikBME688()
 oled = KitronikOLED()
 rtc = KitronikRTC()
 zipleds = KitronikZIPLEDs(3)
 # Python u arse hole sec = Integer()
 rtc.setDate(16, 7, 2022)
 rtc.setTime(12, 10, 0)
-
-bme688.setupGasSensor()
-bme688.calcBaselines()
+rate = 100
+#bme688.setupGasSensor()
+#bme688.calcBaselines()
 sec = 0
 #f = open(logFileName, 'a')
 #f.write("# Data Logging: Date, Time, Temperature, Pressure, Humidity, AirQuality, CO2\n")
@@ -63,7 +63,7 @@ def ButtonB_f_IRQHandler(pin):
         d = tt - last_tt
         if pv:
             #print(" duration of inter-m space ", d)
-            if d < 600:
+            if d < rate*6:
                 print (" ")
             else:
                 print (" interval ")
@@ -71,7 +71,7 @@ def ButtonB_f_IRQHandler(pin):
             beeper.playTone(600)
         else:
             #print(" duration of press ", d)
-            if d > 300:
+            if d > rate*3:
                 morse.append("-");
                 print ("DAH")
             else:
@@ -86,6 +86,27 @@ def ButtonB_f_IRQHandler(pin):
 buttons.buttonB.irq(trigger=machine.Pin.IRQ_FALLING|machine.Pin.IRQ_RISING, handler=ButtonB_f_IRQHandler)
 #buttons.buttonB.irq(trigger=machine.Pin.IRQ_RISING, handler=ButtonB_r_IRQHandler)
 
+charbuf = []
+hpm=10
+vpm=2
+def printm(mchar):
+    global hpm, oled, vpm, charbuf
+    charbuf.append(mchar)
+    chcnt = 0
+    oled.clear()
+    oled.displayText("Morse rxd",1,2)
+    while len(charbuf) > (4*20):
+        charbuf.pop(0) # get rid of old morse
+    for i in range(2,6):
+        for j in range (0,20):
+           chcnt += 1
+           if len(charbuf) > chcnt:
+             oled.displayText(charbuf[chcnt], i, j*6)
+           else:
+             oled.displayText(' ', i, j*6)  
+    oled.show()
+    print(mchar);
+    
 def decode_morse():
     global morse
     dm_a = [".","-"]
@@ -98,33 +119,107 @@ def decode_morse():
     dm_h = [".",".",".","."]
     dm_i = [".","."]
     dm_j = [".","-","-","-"]
+    dm_k = ["-",".","-"]
+    dm_l = [".","-",".","."]
+    dm_m = ["-","-"]
+    dm_n = ["-","."]
+    dm_o = ["-","-","-"]    
+    dm_p = [".","-","-","."]
+    dm_q = ["-","-",".","-"]
+    dm_r = [".","-","."]
     dm_s = [".",".","."]
-    dm_o = ["-","-","-"]
+    dm_t = ["-"]
+    dm_u = [".",".","-"]
+    dm_v = [".",".",".","-"]
+    dm_w = [".","-","-"]
+    dm_x = ["-",".",".","-"]
+    dm_y = ["-",".","-","-"]
+    dm_z = ["-","-",".","."]
+    #
+    dm_0 = ["-","-","-","-","-"]
+    dm_1 = [".","-","-","-","-"]
+    dm_2 = [".",".","-","-","-"] 
+    dm_3 = [".",".",".","-","-"] 
+    dm_4 = [".",".",".",".","-"]
+    dm_5 = [".",".",".",".","."] 
+    dm_6 = ["-",".",".",".","."] 
+    dm_7 = ["-","-",".",".","."] 
+    dm_8 = ["-","-","-",".","."] 
+    dm_9 = ["-","-","-","-","."]
     #
     if morse == dm_a:
-        print ("A")
+        return ("A")
     if morse == dm_b:
-        print ("B")        
+        return ("B")        
     if morse == dm_c:
-        print ("C")
+        return ("C")
     if morse == dm_d:
-        print ("D")        
+        return ("D")        
     if morse == dm_e:
-        print ("E")
+        return ("E")
     if morse == dm_f:
-        print ("F")       
+        return ("F")       
     if morse == dm_g:
         print ("G")      
     if morse == dm_h:
-        print ("H")       
+        return ("H")       
     if morse == dm_i:   
-        print ("I")
+        return ("I")
     if morse == dm_j:   
-        print ("J")   
-    if morse == dm_s:
-        print ("S")      
+        return ("J")  
+    if morse == dm_k:   
+        print ("K")
+    if morse == dm_l:   
+        return ("L")       
+    if morse == dm_m:   
+        return ("M")        
+    if morse == dm_n:   
+        return ("N")        
     if morse == dm_o:
-        print ("O")         
+        return ("O")
+    if morse == dm_p:        
+        return ("P")
+    if morse == dm_q:        
+        return ("Q")       
+    if morse == dm_r:        
+        return ("R")       
+    if morse == dm_s:        
+        return ("S")        
+    if morse == dm_t:        
+        return ("T")       
+    if morse == dm_u:        
+        return ("U")        
+    if morse == dm_v:        
+        return ("V")         
+    if morse == dm_w:        
+        return ("W")          
+    if morse == dm_x:
+        return ("X")      
+    if morse == dm_y:
+        return ("Y")     
+    if morse == dm_z:
+        return ("Z")        
+    if morse == dm_0:
+        return ("0")
+    if morse == dm_1:
+        return ("1")        
+    if morse == dm_2:
+        return ("2")       
+    if morse == dm_3:
+        return ("3")       
+    if morse == dm_4:
+        return ("4")        
+    if morse == dm_5:
+        return ("5")        
+    if morse == dm_6:
+        return ("6")       
+    if morse == dm_7:
+        return ("7")
+    if morse == dm_8:
+        return ("8")        
+    if morse == dm_9:
+        return ("9")       
+    return("?")
         
         
 def process_morse():
@@ -134,11 +229,11 @@ def process_morse():
         # morse chacter complete
         if (len(morse) > 0):
             print(morse)
-            decode_morse()
+            printm(decode_morse())
             morse = []
-    oled.clear()
-    oled.displayText(rtc.readDateString(), 1, 25)
-    oled.displayText(rtc.readTimeString(), 2, 33)
+    #oled.clear()
+    #oled.displayText(rtc.readDateString(), 1, 25)
+    #oled.displayText(rtc.readTimeString(), 2, 33)
     #oled.displayText(str(mcount), 4, 33)
     oled.show()