From 77430c7d920b84715542234f638620e49ad2cae8 Mon Sep 17 00:00:00 2001
From: Robin Clark <robin48gx@gmail.com>
Date: Fri, 29 Jul 2022 21:10:44 +0100
Subject: [PATCH] fixed some chars displayed as ? allowed a RATE CHANGE ON
 BUTTON a Ms FOR DIT

---
 main.py | 95 +++++++++++++++++++++++++--------------------------------
 1 file changed, 41 insertions(+), 54 deletions(-)

diff --git a/main.py b/main.py
index b7baf21..d48ef9f 100644
--- a/main.py
+++ b/main.py
@@ -5,22 +5,16 @@ from PicoAirQuality import  KitronikBME688, KitronikButton, KitronikDataLogger,
                             KitronikBuzzer
 import time
 
-#from datetime import datetime
-
-logFileName = "atmosphere_log.txt"
 mindex=0
 morse = []
-#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)
-rate = 60 # 20 wpm
-#bme688.setupGasSensor()
-#bme688.calcBaselines()
-sec = 0
+rate = 50 # 20 wpm
+
+#sec = 0
 #f = open(logFileName, 'a')
 #f.write("# Data Logging: Date, Time, Temperature, Pressure, Humidity, AirQuality, CO2\n")
 
@@ -29,26 +23,22 @@ buttons = KitronikButton()
 last_pv = 0
 last_tt = 0
 spurious = 0 # interrupts are often repeated for the low level
+button_state = 0 # on==1 off==0
 
-# make this array size 20. A morse char of 5 dots|dashes
-# would take up 10 slots max.
-#
 
+def header():
+    global rate, oled
+    s = "Morse rate " + str(rate) + " mS"
+    oled.displayText(s,1,0)
     
-class buttonEvent:
-    #mstimestamp = 0
-    #pinstate = 0
-    def __init__(self, mststamp, pinst):
-        buttonEvent.mstimestamp = mststamp
-        buttonEvent.pinstate = pinst
-    #def str(self):
-        #return "mstimestamp:",str(mstimestamp), "pinst ",str(pinstate)
-    
- 
-#def ButtonB_r_IRQHandler(pin):
-#    global buttonB
-#    buttonB = 2*60 
-#    print("button B pressed", buttonB)
+def ButtonA_f_IRQHandler(pin):
+    global rate, oled
+    rate += 10
+    if rate > 100:
+        rate = 40
+    oled.clear()
+    header()
+    print (" IRQ button A" + str(rate))
     
 def ButtonB_f_IRQHandler(pin):
     global last_pv, last_tt, spurious, mindex
@@ -66,9 +56,10 @@ def ButtonB_f_IRQHandler(pin):
             if d < rate*3:
                 print (" ")
             else:
-                print (" interval ")
+                print (" ipi ")
                 mindex += 1;
             beeper.playTone(600)
+            button_state = 1
         else:
             #print(" duration of press ", d)
             if d > rate*3:
@@ -78,13 +69,14 @@ def ButtonB_f_IRQHandler(pin):
                 morse.append(".");
                 print ("DIT")
             beeper.stopTone()
+            button_state = 0
     last_pv = pv
     last_tt = tt
-        
+      
+buttons.buttonB.irq(trigger=machine.Pin.IRQ_FALLING|machine.Pin.IRQ_RISING, \
+                    handler=ButtonB_f_IRQHandler)
 
-# FALLING DOES NOT WORK AND IRQ_LOW_LEVEL not recognised
-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)
+buttons.buttonA.irq(trigger=machine.Pin.IRQ_RISING, handler=ButtonA_f_IRQHandler)
 
 charbuf = []
 hpm=10
@@ -94,7 +86,7 @@ def printm(mchar):
     charbuf.append(mchar)
     chcnt = 0
     oled.clear()
-    oled.displayText("Morse rxd",1,2)
+    header()
     while len(charbuf) > (4*20):
         charbuf.pop(0) # get rid of old morse
     for i in range(2,6):
@@ -160,7 +152,7 @@ def decode_morse():
     if morse == dm_f:
         return ("F")       
     if morse == dm_g:
-        print ("G")      
+        return ("G")      
     if morse == dm_h:
         return ("H")       
     if morse == dm_i:   
@@ -168,7 +160,7 @@ def decode_morse():
     if morse == dm_j:   
         return ("J")  
     if morse == dm_k:   
-        print ("K")
+        return ("K")
     if morse == dm_l:   
         return ("L")       
     if morse == dm_m:   
@@ -227,31 +219,26 @@ last_sp = 0
 def process_morse():
     global last_tt, morse, last_was_space, last_sp
     tt  = time.ticks_ms()
-    if (tt - last_tt) > rate*6:
-        # morse chacter complete
-        if (len(morse) > 0):
-            #print(morse)
-            printm(decode_morse())
-            morse = []
-            last_was_space = 0
-            last_sp = last_tt
-    #oled.clear()
-    #oled.displayText(rtc.readDateString(), 1, 25)
-    #oled.displayText(rtc.readTimeString(), 2, 33)
-    #oled.displayText(str(mcount), 4, 33)
-    #oled.show()
+    if (button_state == 0):
+        if (tt - last_tt) > rate*6:
+            # morse chacter complete
+            if (len(morse) > 0):
+                #print(morse)
+                printm(decode_morse())
+                morse = []
+                last_was_space = 0
+                last_sp = last_tt
+  
         if (tt - last_sp) > rate*22 : # and last_not_space == 0:
-        if last_was_space == 0:
-            printm(" ");
-        last_was_space = 1 # dont keep repeating inter word spaces
-        
+            if last_was_space == 0:
+                printm(" ");
+            last_was_space = 1 # dont keep repeating inter word spaces
+            last_sp = last_tt
         
    
     
     
 while True:
-    # maybe a function can have a global ref, yeah maybe the main cont. another wanky aspect ogf pythion
     process_morse()
-    ##process_morse2()
-    #time.sleep(1.0)
+
     
\ No newline at end of file