improve serial

kuukar/kuukar_lcd.py

@@ -1,14 +1,19 @@
 from time import sleep
+from socket import gethostname, gethostbyname
 import kuukar.kuukar_nextion as kuukar_nextion
+
+
 class lcd:
     def __init__(self) -> None:
         self.nextion = kuukar_nextion.nextion()
         sleep(1)
         self.nextion.send_command("page home")
+        self.nextion.send_command("ipTXT.txt=\""+str(gethostbyname(gethostname()))+"\"")
+        self.nextion.external_touch_handler = self.touch_handler
 
-    def play_video(self,filename: str) -> None:
+    def play_video(self, filename: str) -> None:
         self.nextion.send_command("page video_player")
-        self.nextion.send_command("video.path=\"sd0/"+filename+".video\"")
+        self.nextion.send_command("video.path=\"sd0/" + filename + ".video\"")
         self.nextion.send_command("video.en=1")
 
     def pause_video(self) -> None:
@@ -21,3 +26,17 @@ class lcd:
         self.nextion.send_command("video.en=0")
         self.nextion.send_command("page home")
 
+    def touch_handler(self, page, component_id, press_type):
+        print(f'page:{page} cid:{component_id} pt:{press_type}')
+        if page == 1 and component_id == 2 and press_type == '01':
+            if self.nextion.get_attribute("aiTG.val"):
+                print("AI Drive Activated")
+            else:
+                print("AI Drive Deactivated")
+        elif page == 3:
+            if component_id == 2 and press_type == '00':
+                x = self.nextion.get_attribute("joystick.x")
+                y = self.nextion.get_attribute("joystick.y")
+                speed = 100-(y-60)/(205-60)*200
+                turn = (x-5)/(150-5)*200-100
+                print(f"Setting speed to {speed} and turn angle to {turn}")

kuukar/kuukar_nextion.py

@@ -18,8 +18,7 @@ class nextion:
     allow_serial_read = True
 
     def __init__(self) -> None:
-        self.device = serial.Serial(SERIAL_LCD, baudrate=9600, timeout=15)
-        print(self.device.is_open)
+        self.device = serial.Serial(SERIAL_LCD, baudrate=115200, timeout=15)
         self.__send_stop_bit()
         self.reset_device()
         threading.Thread(target=self.__serial_reader).start()
@@ -62,7 +61,6 @@ class nextion:
         data = ser.read_until(self.__get_stop_bit())
         data = data[0:len(data)-3]
         data: list = data.hex('/').split('/')
-        print(data)
         return data
 
     def handle_serial(self, data: list):
@@ -75,8 +73,8 @@ class nextion:
         component_id = int(data.pop(0), 16)
         press_type = data.pop(0)
         self.external_touch_handler(page,component_id,press_type)
-        print("Got a touch event at page "+str(page)+" in component "+str(component_id)
-              + " with type "+str(press_type))
+        #print("Got a touch event at page "+str(page)+" in component "+str(component_id)
+        #      + " with type "+str(press_type))
 
     def external_touch_handler(self, page, component_id, press_type):
         # To be overridden
@@ -84,7 +82,7 @@ class nextion:
     def get_attribute(self, attribute: str):
         self.allow_serial_read = False
         self.send_command("get "+str(attribute))
-        sleep(0.1)
+        sleep(0.01)
         data = self.read_serial()
         self.allow_serial_read = True
         data_type = data.pop(0)

lcd_cli.py

@@ -0,0 +1,10 @@
+import sys
+
+import kuukar.kuukar_lcd as kuukar_lcd
+from time import sleep
+
+lcd = kuukar_lcd.lcd()
+print("Project KuuKar LCD Device Command Line Interface")
+while True:
+    cmd = input("kuukar_lcd$ ")
+    lcd.nextion.send_command(cmd)

lcd_test.py

@@ -1,4 +0,0 @@
-import kuukar.kuukar_lcd as kuukar_lcd
-from time import sleep
-lcd = kuukar_lcd.lcd()
-lcd.play_video("keke_hurt")