From dc9497ab6b33b8ca62a7d9d6769b58cfb66f2ed2 Mon Sep 17 00:00:00 2001
From: Patrick Tschuchnig <patrick.tschuchnig@wolfsberg.local>
Date: Wed, 11 Sep 2019 15:01:29 +0200
Subject: [PATCH] trying a new way of controlling the LED strips

---
 gametest_rev1.py | 66 ++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 56 insertions(+), 10 deletions(-)

diff --git a/gametest_rev1.py b/gametest_rev1.py
index fad018f..3ca3e10 100644
--- a/gametest_rev1.py
+++ b/gametest_rev1.py
@@ -135,6 +135,15 @@ led_red = 0
 led_green = 0
 led_blue = 0
 
+# RPi.GPIO does not provide getter methods for PWM, therefor
+# defining my own here
+led_red_brightness = 0
+led_green_brightness = 0
+led_blue_brightness = 0
+
+# predefine led blink timer to 0
+timer_led_blink = 0
+
 ############################################
 ######## END OF PRE-INITIALISATION #########
 ############################################
@@ -183,26 +192,41 @@ def led_init():
         led_blue.start(0)
         led_red.start(0)
 
+def change_red(amount):
+        # takes an input from 0 to 255 and converts it to Duty Cycle
+        # to be used by change_led_colour
+        global led_red, led_red_brightness
+        led_red_brightness = amount
+        factor = 100/255
+        led_red.ChangeDutyCycle(amount*factor)
+
 def change_green(amount):
         # takes an input from 0 to 255 and converts it to Duty Cycle
         # to be used by change_led_colour
-        global led_green
+        global led_green, led_green_brightness
+        led_green_brightness = amount
         factor = 100/255
         led_green.ChangeDutyCycle(amount*factor)
 
 def change_blue(amount):
         # takes an input from 0 to 255 and converts it to Duty Cycle
         # to be used by change_led_colour
-        global led_blue
+        global led_blue, led_blue_brightness
+        led_blue_brightness = amount
         factor = 100/255
         led_blue.ChangeDutyCycle(amount*factor)
     
-def change_red(amount):
-        # takes an input from 0 to 255 and converts it to Duty Cycle
-        # to be used by change_led_colour
-        global led_red
-        factor = 100/255
-        led_red.ChangeDutyCycle(amount*factor)
+def get_red():
+    global led_red_brightness
+    return led_red_brightness
+
+def get_green():
+    global led_green_brightness
+    return led_green_brightness
+
+def get_blue():
+    global led_blue_brightness
+    return led_blue_brightness
 
 def change_led_colour(red_amount,green_amount,blue_amount):
         # sets an RGB value for the led strip.
@@ -226,6 +250,23 @@ def change_led_speed(colour, speed):
         else:
             return false
 
+def led_handler(): 
+        if led_blink == True: 
+            if timer_led_blink == 0:
+                timer_led_blink_starttime = pygame.time.get_ticks()
+            timer_led_blink = (timer_led_blink_starttime-pygame.time.get_ticks())
+            if (timer_led_blink/1000)%2 = 0:
+                if timer_led_blink_toggle == 1:
+                    led_red_brightness_temp = get_red()
+                    led_green_brightness_temp = get_green()
+                    led_blue_brightness_temp = get_blue()
+
+                    change_led_colour(0,0,0)
+                    timer_led_blink_toggle = 0
+                else:
+                    change_led_colour(led_red_brightness_temp,led_green_brightness_temp,led_blue_brightness_temp)
+                    timer_led_blink_toggle = 1
+
 def led_alert():
         # stops the running program for 10 seconds
         # causes the red LED to flash
@@ -233,6 +274,8 @@ def led_alert():
         #
         # !!!!untested!!!!
         #
+        # OBSOLETE!!!!
+        #
         change_led_colour(100, 0, 0)
         change_led_speed(red, 1)
         for i in range(1,10):
@@ -306,7 +349,7 @@ def enter_name():
                 screen.blit(highscore_surface, highscore_rectangle)
 
                 textbox_text_surface = pygame_font_2.render('Enter Name:',True, pygame_font_main_color)
-                textbox_text_rectangle = textbox_surface.get_rect()
+                textbox_text_rectangle = textbox_text_surface.get_rect()
                 textbox_text_rectangle.topleft = (700, 400)
 
                 textbox_surface = pygame_font_2.render(str(name), True, pygame_font_main_color)
@@ -318,7 +361,7 @@ def enter_name():
 
                 draw_border()
                 draw_logos()
-                
+
                 pygame.display.flip()
 
                 for event in pygame.event.get():
@@ -444,6 +487,8 @@ highscore_checked = False
 pin_start_inhibit = False
 timer_game_ending_started = False
 
+led_blink = True
+
 ############################################
 ########## END OF INITIALISATION ###########
 ############################################
@@ -457,6 +502,7 @@ while True:
         clear_screen()
         handle_events()
         show_debug()
+        led_handler()
 
         if game_running == False and game_ending == False: 
             # one shot for changing the led colour