slotUI/SlotCli.py

#!/usr/bin/env python
"""
Freeslot project
Command line interface
"""

from freeslot import Blackbox, LOGLEVEL
from optparse import OptionParser
from operator import itemgetter
from subprocess import Popen, PIPE
import sys, os
from copy import copy
import curses

VERSION = "1.3"
MAXSLOTS = 6
TERM = {
    "caption": "\033[1;37m\033[1;44m",
    "text": "\033[1;30m",
    }

# disable debug log output
LOGLEVEL = 10

SOUNDS = {
        "countdown_start": os.path.abspath("sound/countdown.mp3"),
        "race_start":      os.path.abspath("sound/racestart.mp3"),
        "race_prepare":    os.path.abspath("sound/siren.mp3"),
        "lap_record":      os.path.abspath("sound/laprecord.mp3"),
    }

def trigger_sound(what):
    if what in SOUNDS:
        Popen(["/usr/bin/mpg123", "-q", SOUNDS[what]])
        #os.spawnlp(os.P_NOWAIT, "/usr/bin/mpg123", "mpg123", SOUNDS[what])
        #Popen(["/usr/bin/mpg123", SOUNDS[what]]).pid

class SlotCli():
    def __init__(self):
        self.box = Blackbox()
        self.box.connect()
        self.slot_dummy = {
            "name": "Unnamed",
            "laps": 0,
            "last": 0.00,
            "best": 0.00,
            "fuel": 0,
            "position": 0,
            "drive": 0,
            "status": "Idle",
            "clk": 0,
            "car": 0,
            }

        self.slot = [
            copy(self.slot_dummy), copy(self.slot_dummy),
            copy(self.slot_dummy), copy(self.slot_dummy),
            copy(self.slot_dummy), copy(self.slot_dummy),
            ]
        self.reset_slots()
        self.sysclk = 0.00
        self.bestlap = 9999999.00

    def reset_slots(self):
        idx = 0
        for slt in self.slot:
            slt["laps"] = 0
            slt["last"] = 0.00
            slt["best"] = 0.00
            slt["fuel"] = 0
            slt["position"] = idx
            slt["car"] = idx # used for sort order calculation
            slt["status"] = self.slot_dummy["status"]
            slt["clk"] = 0
            idx += 1
        self.bestlap = 0.00

    def update_positions(self):
        order1 = sorted(self.slot, key=itemgetter(
            "clk"))
        order2 = sorted(self.slot, key=itemgetter(
            "laps"), reverse=True)
        idx = 1
        for tst in order2:
            self.slot[tst["car"]]["position"] = idx
            idx += 1

    def render_slots(self):
        self.update_positions()
        self.scr.addstr(3,0,
            "Pos | #/Name            | Laps | Best     | Last     | Fuel | Status    ",
            curses.color_pair(2))
        for idx in range(MAXSLOTS):
            self.scr.addstr((3 + self.slot[idx]["position"]), 0,
                "%3i | %i %15s | %4i | %7.2fs | %7.2fs | %3i%% | %10s" % (
                self.slot[idx]["position"],
                self.slot[idx]["car"] + 1, self.slot[idx]["name"],
                self.slot[idx]["laps"],
                self.slot[idx]["best"],
                self.slot[idx]["last"],
                self.slot[idx]["fuel"],
                self.slot[idx]["status"],
                ) )

    def cleartop(self):
        self.scr.addstr(0,0, "%80s" % "Live monitor running, press keys to control or (q)uit")
        self.scr.addstr(1,0, "%80s" % " ")

    def readName(self, slot):
        self.scr.nodelay(0) # enable delay on readkey
        curses.echo()
        self.scr.addstr(0,0, "Enter Name for Controller %i [%s]:" % (
            slot + 1,
            self.slot[slot]["name"]),
            curses.color_pair(1))
        self.scr.refresh()
        name = self.scr.getstr(1,0, 15)
        if name != "":
            self.slot[slot]["name"] = name
        self.cleartop()
        self.scr.refresh()
        curses.noecho()
        self.scr.nodelay(1) # disable delay on readkey

    def monitor_init(self):
        """
        Send initializing commands for live monitoring
        """
        self.box.com.query("F1\n") # set fuel logic enabled
        self.box.com.query("*1\n") # set live fuel info

    def monitor(self):
        """
        Live Monitor on the console
        Keyboard loop to control it???
        """
        # clear garbage in UART rx buffer
        while self.box.com.readline() != "": pass

        self.monitor_init()
        self.scr = curses.initscr()
        curses.start_color()
        curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLACK) # standard text
        curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_BLUE) # label
        curses.noecho() # disable key echo
        curses.cbreak() # do not buffer keypresses
        self.scr.keypad(1) # enable special keys
        self.scr.nodelay(1) # disable delay on readkey

        self.cleartop()
        self.render_slots()
        self.scr.refresh()


        while 1:
            key = self.scr.getch()
            if key == ord('q'): break
            elif key == ord(' '): self.cyclemode()
            elif key == ord('1'): self.readName(0)
            elif key == ord('2'): self.readName(1)
            elif key == ord('3'): self.readName(2)
            elif key == ord('4'): self.readName(3)
            elif key == ord('5'): self.readName(4)
            elif key == ord('6'): self.readName(5)
            elif key == ord('a'):
                if self.slot[4]["drive"] > 0: self.slot[4]["drive"] -= 1
                cli.box.speedminimum(4, self.slot[4]["drive"])
            elif key == ord('s'):
                if self.slot[4]["drive"] < 16: self.slot[4]["drive"] += 1
                cli.box.speedminimum(4, self.slot[4]["drive"])
            elif key == ord('y'):
                if self.slot[5]["drive"] > 0: self.slot[5]["drive"] -= 1
                cli.box.speedminimum(5, self.slot[5]["drive"])
            elif key == ord('x'):
                if self.slot[5]["drive"] < 16: self.slot[5]["drive"] += 1
                cli.box.speedminimum(5, self.slot[4]["drive"])


            # is there something in the rx buffer?
            rx = self.box.com.readline()
            if rx != "":
                self.scr.addstr(10,0,
                    "Last RX: %19s" % rx, curses.color_pair(2))
                self.scr.refresh()
                # we have received something
                data = rx.split(":")
                if rx[:2] == "L:":
                    # update lap time info
                    l = int(data[2], 16)
                    slot = int(data[3]) - 1
                    t = int(data[4], 16) / 2000.00
                    self.sysclk = int(data[5], 16) / 2000.00
                    self.slot[slot]["laps"] = l
                    self.slot[slot]["last"] = t
                    self.slot[slot]["clk"] = self.sysclk
                    if (self.slot[slot]["best"] > t) or (self.slot[slot]["best"] == 0): self.slot[slot]["best"] = t
                    if self.bestlap > t:
                        trigger_sound("lap_record")
                        self.bestlap = t

                    self.slot[slot]["status"] = "IN-RACE"
                    self.render_slots()

                if rx[:2] == "F:":
                    # update fuel level
                    slot = int(data[1])
                    f = int(data[2], 16)
                    f = f / 100 # fuel in percent
                    self.sysclk = int(data[3], 16) / 2000.00
                    self.slot[slot]["fuel"] = f
                    self.render_slots()

                if rx[:1] == "~":
                    # jumpstart occured
                    slot = int(rx[1:2])
                    t = int(data[1], 16) / 2000.00
                    self.slot[slot]["jumpstart"] = t
                    self.slot[slot]["status"] = "Jumpstart!"

                if rx[:3] == "RW:":
                    # ResponseWire packet, do nothing at the moment, just decode
                    slot = int(data[1])
                    devtype = int(data[2])
                    sender = int(data[3], 16)
                    status = int(data[4], 16)
                    self.sysclk = int(data[5], 16)
                    if (devtype == 4):
                        # pitlane sent something
                        if (status == 5): self.slot[slot]["status"] = "PITLANE"
                        if (status == 6): self.slot[slot]["status"] = "IN-RACE"

                    self.render_slots()

                if rx == "!RACE PREPARE":
                    # reset current race status
                    # and display PREPARE PHASE
                    self.reset_slots()
                    for slot in range(MAXSLOTS):
                        self.slot[slot]["status"] = "Prepare"
                    trigger_sound("race_prepare")

                if rx == "!RACE START":
                    for slot in range(MAXSLOTS):
                        if self.slot[slot]["status"] == "~~~~~~~~~~":
                            self.slot[slot]["status"] = "Idle"
                    trigger_sound("race_start")

                if rx == "!COUNTDOWN":
                    # countdown initiated
                    for slot in range(MAXSLOTS):
                        self.slot[slot]["status"] = "~~~~~~~~~~"
                    trigger_sound("countdown_start")

                self.scr.addstr(10,31,
                    "Race Timer: %7.3f min" % (self.sysclk / 60),
                    curses.color_pair(2))

                self.scr.refresh()

        # terminate
        curses.nocbreak()
        self.scr.keypad(0)
        curses.echo()
        curses.endwin()
        return None

    def cyclemode(self):
        pass

if __name__ == "__main__":
    parser = OptionParser(version="%prog " + VERSION)
    parser.add_option("--live", dest="live", action="store_true", default=False,
        help="Run Live monitor on console", metavar="[0-5]")

    parser.add_option("--carid", dest="carid",
        help="Required for programming a car directly", metavar="[0-5]")
    parser.add_option("--fuel", dest="fuel",
        help="Set maximum CAR fuel level", metavar="[0-15]")
    parser.add_option("--brake", dest="brake",
        help="Set CAR brake strength", metavar="[0-15]")
    parser.add_option("--speed", dest="speed",
        help="Set maximum CAR speed", metavar="[0-15]")
    parser.add_option("--blink", dest="blink",
        help="Set car lights blinking state", metavar="[on|off]")
    parser.add_option("--limit", dest="limit",
        help="Controlled SPEED LIMIT (15 = no limit)", metavar="[0-15]")
    parser.add_option("--drive", dest="drive",
        help="Controlled SPEED MINIMUM (0 = disabled)", metavar="[0-15]")

    (options, args) = parser.parse_args()
    cli = SlotCli()
    # should a CLI function be started?

    if options.live:
        # start the live monitor
        cli.monitor()
        sys.exit(0)

    # check commandline if we have to program something
    if not options.carid:
        print "Option --carid is required for all car programming commands!\nUse --help to get a list of available commands"
        sys.exit(1)

    if options.fuel:
        print "setFuel: " + cli.box.progcar(int(options.carid), "fuel", int(options.fuel))

    if options.speed:
        print "setSpeed: " + cli.box.progcar(int(options.carid), "speed", int(options.speed))

    if options.brake:
        print "setBrake: " + cli.box.progcar(int(options.carid), "brake", int(options.brake))

    if options.blink:
        state = False
        if options.blink == "on":
            state = True
        print "setBlink: " + cli.box.blinkcar(int(options.carid), state)

    if options.limit:
        print "Change Speed Limit: " + cli.box.speedlimit(int(options.carid), int(options.limit))

    if options.drive:
        print "Change minimum Speed drive: " + cli.box.speedminimum(int(options.carid), int(options.drive))