Added a FIFO bridge

.env

@@ -0,0 +1,5 @@
+SERIAL_DEV="/dev/cu.usbserial-A700e0gN"
+#SERIAL_DEV="/dev/ttyUSB0"
+SERIAL_SPEED = 9600
+#SERIAL_SPEED = 19200
+#SERIAL_SPEED = 115200

MAPID-CP/MAPID-CP.ino

@@ -43,7 +43,7 @@ void setup() {
 	// Show README
 	SCmd.addCommand("README", showReadMe);
 	
-	SCmd.addDefaultHandler(commandNotFound);
+	SCmd.setDefaultHandler(commandNotFound);
 	
 	
 	Serial.println("Ready.");
@@ -72,7 +72,7 @@ void loop() {
 	SCmd.readSerial();
 }
 
-void commandNotFound() {
+void commandNotFound(char *cmd) {
 	Serial.println("");
 	//Serial.println("[ERROR @ TTY:IN]  COMMAND NOT FOUND!");
 	Serial.println("[ERROR]  COMMAND NOT FOUND!");
@@ -137,7 +137,7 @@ void showVersion() {
 	Serial.print(OS_NAME);
 	Serial.print(" v");
 	Serial.println(OS_VERSION);
-	Serial.print("Hardware: ");
+	Serial.print("Hardware: Arduino ");
 	Serial.println(BOARD);
 	
 	Serial.print(TTY_PROMPT);

MAPID-CP/config.h

@@ -2,7 +2,7 @@
 #define _CONFIG_H_
 
 #define OS_NAME     "MAPID/CP"
-#define OS_VERSION  3
+#define OS_VERSION  4
 
 #define PIN_LED     LED_BUILTIN
 #define PIN_LCD     2

README.md

@@ -5,3 +5,13 @@ Info display powered by two parts:
 1. Command line OS running on Arduino (MAPID/CP)
 2. Python pyserial script controlling the display over a serial connection
 
+## Requirements
+
+- Arduino libraries
+   - SerialCommand Advanced
+   - serLCD
+- Python libraries
+   - pyserial
+   - python-dotenv
+
+

fifo_bridge.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import time
+import mapid
+
+
+FIFO = "/tmp/mapid.fifo"
+
+
+def main():
+	global FIFO
+	if len(sys.argv) == 2:
+		FIFO = sys.argv[1]
+
+	m = mapid.MAPIDCP()
+
+	os.mkfifo(FIFO)
+	time.sleep(0.2)
+	print("Created FIFO " + FIFO, file=sys.stderr)
+	# f = open(FIFO, "w")
+	# f.write("\n")
+	# f.close()
+	# print("Created FIFO " + FIFO, file=sys.stderr)
+	f = open(FIFO, "r")
+	print("Opened FIFO for reading", file=sys.stderr)
+	m.cls()
+	m.line(1)
+	m.echo("fifo_bridge.py")
+	m.line(2)
+	m.echo(FIFO)
+
+	keep_going = True
+	while keep_going:
+		try:
+			line = f.readline().strip("\n")
+			m._cmd(line)
+		except KeyboardInterrupt:
+			keep_going = False
+			print()
+
+	os.remove(FIFO)
+	print("Removed FIFO.", file=sys.stderr)
+
+
+if __name__ == "__main__":
+	main()
+

mapid-count.py

@@ -4,17 +4,16 @@ import time
 import sys
 import serial
 
-
+import mapid
-SERIAL_PORT = "/dev/cu.usbserial-A700e0gN"
-SERIAL_SPEED = 9600
-#SERIAL_SPEED = 19200
-#SERIAL_SPEED = 115200
 
 
-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'))
+		# countdown(num)
-		#arduino.write(bytes("LINE 1\r\n", 'utf8'))
+		countdown2(num)
-		#arduino.write(bytes("ECHO Countdown\r\n", 'utf8'))
-		# arduino.write(bytes("ECHO C " + str(num) + "\r\n", 'utf8'))
-		countdown(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