mapid.py library

mapid-count.py

@@ -4,17 +4,16 @@ import time
 import sys
 import serial
 
-
-SERIAL_PORT = "/dev/cu.usbserial-A700e0gN"
-SERIAL_SPEED = 9600
-#SERIAL_SPEED = 19200
-#SERIAL_SPEED = 115200
+import mapid
 
 
-arduino = serial.Serial(port=SERIAL_PORT, baudrate=SERIAL_SPEED, timeout=.1)
+# print(mapid.get_serial_dev()); sys.exit(1)
+SERIAL_DEV = mapid.get_serial_dev()
+SERIAL_SPEED = mapid.get_serial_speed()
 
 
 def write_read(x):
+	arduino = serial.Serial(port=SERIAL_DEV, baudrate=SERIAL_SPEED, timeout=.1)
 	arduino.write(bytes(x,  'utf-8'))
 	time.sleep(0.05)
 	data = arduino.readline()
@@ -22,6 +21,7 @@ def write_read(x):
 
 
 def countdown(start: int):
+	arduino = serial.Serial(port=SERIAL_DEV, baudrate=SERIAL_SPEED, timeout=.1)
 	for i in range(start, -1, -1):
 		arduino.write(bytes("CLS\r\n", 'utf8'))
 		arduino.write(bytes("LINE 1\r\n", 'utf8'))
@@ -35,16 +35,29 @@ def countdown(start: int):
 	arduino.write(bytes("ECHO BOOM!!!\r\n", 'utf8'))
 
 
+def countdown2(start: int):
+	m = mapid.MAPID_CP()
+	m.cls()
+	for i in range(start, -1, -1):
+		m.cls()
+		m.line(1)
+		m.echo("Countdown")
+		m.line(2)
+		print("\t" + str(i))
+		m.echo(str(i))
+		time.sleep(1)
+	m.cls()
+	m.line(2)
+	m.echo("BOOM!!!")
+
+
 def main():
 	while True:
 		num = int(input("Enter a number (-1=exit): "))
 		if num < 0:
 			sys.exit(0)
-		#arduino.write(bytes("CLS\r\n", 'utf8'))
-		#arduino.write(bytes("LINE 1\r\n", 'utf8'))
-		#arduino.write(bytes("ECHO Countdown\r\n", 'utf8'))
-		# arduino.write(bytes("ECHO C " + str(num) + "\r\n", 'utf8'))
-		countdown(num)
+		# countdown(num)
+		countdown2(num)
 
 
 if __name__ == "__main__":

mapid.py

@@ -0,0 +1,53 @@
+import os
+import time
+import dotenv  # 
+import serial
+
+
+DOTENV_LOADED = False
+
+def load_dotenv():
+	basedir = os.path.abspath(os.path.dirname(__file__))
+	dotenv.load_dotenv(os.path.join(basedir, ".env"))
+	global DOTENV_LOADED
+	DOTENV_LOADED = True
+
+
+def get_serial_dev():
+	global DOTENV_LOADED
+	if not DOTENV_LOADED:
+		load_dotenv()
+	return os.environ.get("SERIAL_DEV")
+
+
+def get_serial_speed():
+	global DOTENV_LOADED
+	if not DOTENV_LOADED:
+		load_dotenv()
+	return os.environ.get("SERIAL_SPEED")
+
+
+class MAPIDCP:
+	arduino = None
+	
+	def __init__(self):
+		self.arduino = serial.Serial(port=get_serial_dev(), baudrate=get_serial_speed(), timeout=.1)
+
+	def _cmd(self, cmd: str):
+		self.arduino.write(bytes(cmd + "\r\n", "utf8"))
+		time.sleep(0.1)
+
+	def cls(self):
+		self._cmd("CLS")
+		
+	def led(self, state: bool):
+		if state:
+			self._cmd("ON")
+		else:
+			self._cmd("OFF")
+
+	def line(self, line_no: int):
+		self._cmd("LINE " + str(line_no))
+
+	def echo(self, text: str):
+		self._cmd("ECHO " + text)

requirements.txt

@@ -1,4 +1,5 @@
 # requirements.txt
 
-serial
+pyserial>=3.5
+python-dotenv>=0.5