DOWN_SWITCH = 18
MENU_SWITCH = 25
# To use GPIO 14 and 15 (Serial RX/TX)
# Remove references to /dev/ttyAMA0 from /boot/cmdline.txt and /etc/inittab
UP = 0
DOWN = 1
CurrentStationFile = "/var/lib/radiod/current_station"
CurrentTrackFile = "/var/lib/radiod/current_track"
CurrentFile = CurrentStationFile
log = Log()
radio = Radio()
lcd = lcd_i2c()
rss = Rss()
# Signal SIGTERM handler
def signalHandler(signal,frame):
global lcd
global log
radio.execCommand("umount /media > /dev/null 2>&1")
radio.execCommand("umount /share > /dev/null 2>&1")
pid = os.getpid()
log.message("Radio stopped, PID " + str(pid), log.INFO)
lcd.line1("Radio stopped")
lcd.line2("")
lcd.line3("")
lcd.line4("")
GPIO.cleanup()
from lcd_i2c_class import lcd_i2c
from lcd_i2c_pcf8574 import lcd_i2c_pcf8574
from time import sleep
def no_interrupt():
return False
if __name__ == '__main__':
i2c_address = 0x00
print "I2C LCD test program"
print "1 = Adafruit I2C backpack"
print "2 = PCF8574 I2C backpack"
response = raw_input("Select type of backpack: ")
if int(response) is 1:
lcd = lcd_i2c()
i2c_address = 0x20
elif int(response) is 2:
lcd = lcd_i2c_pcf8574()
i2c_address = 0x27
else:
print "Invalid selection!"
sys.exit(1)
print "I2C address:", hex(i2c_address)
try:
if int(response) is 2:
lcd.init(address=i2c_address)
def run(self):
global lcd
global CurrentFile
GPIO.setmode(GPIO.BCM) # Use BCM GPIO numbers
GPIO.setwarnings(False) # Ignore warnings
down_switch = radio.getSwitchGpio("down_switch")
log.message("Down switch = " + str(down_switch), log.DEBUG)
boardrevision = radio.getBoardRevision()
if boardrevision == 1:
# For rev 1 boards with no inbuilt pull-up/down resistors
# Wire the GPIO inputs to ground via a 10K resistor
GPIO.setup(MENU_SWITCH, GPIO.IN)
GPIO.setup(UP_SWITCH, GPIO.IN)
GPIO.setup(down_switch, GPIO.IN)
GPIO.setup(LEFT_SWITCH, GPIO.IN)
GPIO.setup(RIGHT_SWITCH, GPIO.IN)
else:
# For rev 2 boards with inbuilt pull-up/down resistors the
# following lines are used instead of the above, so
# there is no need to physically wire the 10k resistors
GPIO.setup(MENU_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(UP_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(down_switch, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(LEFT_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(RIGHT_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
# Initialise radio
log.init('radio')
signal.signal(signal.SIGTERM,signalHandler)
signal.signal(signal.SIGUSR1,signalSIGUSR1)
progcall = str(sys.argv)
log.message('Radio running pid ' + str(os.getpid()), log.INFO)
log.message("Radio " + progcall + " daemon version " + radio.getVersion(), log.INFO)
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
# Load pcf8475 i2c class or Adafruit backpack
if radio.getBackPackType() == radio.PCF8475:
log.message("PCF8475 backpack", log.INFO)
lcd = lcd_i2c_pcf8475()
else:
log.message("Adafruit backpack", log.INFO)
lcd = lcd_i2c()
boardrevision = radio.getBoardRevision()
lcd.init(boardrevision)
lcd.backlight(True)
hostname = exec_cmd('hostname')
ipaddr = exec_cmd('hostname -I')
myos = exec_cmd('uname -a')
log.message(myos, log.INFO)
# Display daemon pid on the LCD
message = "Radio pid " + str(os.getpid())
lcd.line1(message)
lcd.line2("IP " + ipaddr)
time.sleep(4)
# Wait for the IP network
ipaddr = ""
waiting4network = True
count = 10
while waiting4network:
lcd.line2("Wait for network")
ipaddr = exec_cmd('hostname -I')
time.sleep(1)
count -= 1
if (count < 0) or (len(ipaddr) > 1):
waiting4network = False
if len(ipaddr) < 1:
lcd.line2("No IP network")
else:
lcd.line2("IP " + ipaddr)
time.sleep(2)
log.message("Starting MPD", log.INFO)
lcd.line2("Starting MPD")
radio.start()
log.message("MPD started", log.INFO)
mpd_version = radio.execMpcCommand("version")
log.message(mpd_version, log.INFO)
lcd.line1("Radio ver "+ radio.getVersion())
lcd.scroll2(mpd_version,no_interrupt)
time.sleep(1)
reload(lcd,radio)
radio.play(get_stored_id(CurrentFile))
log.message("Current ID = " + str(radio.getCurrentID()), log.INFO)
# Set up switch event processing
GPIO.add_event_detect(MENU_SWITCH, GPIO.RISING, callback=switch_event, bouncetime=200)
GPIO.add_event_detect(LEFT_SWITCH, GPIO.RISING, callback=switch_event, bouncetime=200)
GPIO.add_event_detect(RIGHT_SWITCH, GPIO.RISING, callback=switch_event, bouncetime=200)
GPIO.add_event_detect(UP_SWITCH, GPIO.RISING, callback=switch_event, bouncetime=200)
GPIO.add_event_detect(down_switch, GPIO.RISING, callback=switch_event, bouncetime=200)
# Main processing loop
count = 0
while True:
switch = radio.getSwitch()
if switch > 0:
get_switch_states(lcd,radio,rss)
display_mode = radio.getDisplayMode()
lcd.setScrollSpeed(0.3) # Scroll speed normal
dateFormat = radio.getDateFormat()
todaysdate = strftime(dateFormat)
ipaddr = exec_cmd('hostname -I')
# Shutdown command issued
if display_mode == radio.MODE_SHUTDOWN:
displayShutdown(lcd)
while True:
time.sleep(1)
if len(ipaddr) < 1:
lcd.line2("No IP network")
elif display_mode == radio.MODE_TIME:
if radio.getReload():
log.message("Reload ", log.DEBUG)
reload(lcd,radio)
radio.setReload(False)
else:
displayTime(lcd,radio)
if radio.muted():
msg = "Sound muted"
if radio.getStreaming():
msg = msg + ' *'
lcd.line2(msg)
else:
display_current(lcd,radio)
elif display_mode == radio.MODE_SEARCH:
display_search(lcd,radio)
elif display_mode == radio.MODE_SOURCE:
display_source_select(lcd,radio)
elif display_mode == radio.MODE_OPTIONS:
display_options(lcd,radio)
elif display_mode == radio.MODE_IP:
lcd.line2("Radio v" + radio.getVersion())
if len(ipaddr) < 1:
lcd.line1("No IP network")
else:
lcd.scroll1("IP " + ipaddr, interrupt)
elif display_mode == radio.MODE_RSS:
displayTime(lcd,radio)
display_rss(lcd,rss)
elif display_mode == radio.MODE_SLEEP:
lcd.line1(todaysdate)
display_sleep(lcd,radio)
# Timer function
checkTimer(radio)
# Check state (pause or play)
checkState(radio)
# Alarm wakeup function
if display_mode == radio.MODE_SLEEP and radio.alarmFired():
log.message("Alarm fired", log.INFO)
unmuteRadio(lcd,radio)
displayWakeUpMessage(lcd)
radio.setDisplayMode(radio.MODE_TIME)
if radio.volumeChanged():
lcd.line2("Volume " + str(radio.getVolume()))
time.sleep(0.5)
time.sleep(0.1)
def run(self):
global lcd
global CurrentFile
global volumeknob,tunerknob
log.init('radio')
# Setup signal handlers
signal.signal(signal.SIGTERM,signalHandler)
progcall = str(sys.argv)
log.message('Radio running pid ' + str(os.getpid()), log.INFO)
log.message("Radio " + progcall + " daemon version " + radio.getVersion(), log.INFO)
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
i2c_address = radio.getI2Caddress()
# Load pcf8574 i2c class or Adafruit backpack
if radio.getBackPackType() == radio.PCF8574:
log.message("PCF8574 backpack, address: " + hex(i2c_address), log.INFO)
lcd = lcd_i2c_pcf8574()
else:
log.message("Adafruit backpack, address: " + hex(i2c_address), log.INFO)
lcd = lcd_i2c()
boardrevision = radio.getBoardRevision()
lcd.init(board_rev=boardrevision, address=i2c_address)
lcd.backlight(True)
# Set up LCD line width
width = lcd.getWidth()
if width > 0:
lcd.setWidth(width)
else:
lcd.setWidth(20)
lcd.scroll1("Radio version " + radio.getVersion(), nointerrupt)
time.sleep(0.5)
ipaddr = exec_cmd('hostname -I')
hostname = exec_cmd('hostname -s')
# Display daemon pid on the LCD
message = "Radio pid " + str(os.getpid())
lcd.line2(message)
# Wait for the IP network
ipaddr = ""
waiting4network = True
count = 10
while waiting4network:
lcd.line4("Waiting for network")
ipaddr = exec_cmd('hostname -I')
time.sleep(1)
count -= 1
if (count < 0) or (len(ipaddr) > 1):
waiting4network = False
if len(ipaddr) < 1:
lcd.line4("No IP network")
else:
lcd.line4("IP " + ipaddr)
time.sleep(2)
lcd.line3("Starting MPD")
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
radio.start()
log.message("MPD started", log.INFO)
time.sleep(0.5)
mpd_version = radio.execMpcCommand("version")
log.message(mpd_version, log.INFO)
lcd.scroll3(mpd_version, no_interrupt)
lcd.scroll4("GPIO version " + str(GPIO.VERSION), no_interrupt)
time.sleep(2.0)
# Auto-load music library if no Internet
if len(ipaddr) < 1 and radio.autoload():
log.message("Loading music library",log.INFO)
radio.setSource(radio.PLAYER)
# Load radio
reload(lcd,radio)
radio.play(get_stored_id(CurrentFile))
log.message("Current ID = " + str(radio.getCurrentID()), log.INFO)
lcd.line3("Radio Station " + str(radio.getCurrentID()))
# Get rotary switches configuration
up_switch = radio.getSwitchGpio("up_switch")
down_switch = radio.getSwitchGpio("down_switch")
left_switch = radio.getSwitchGpio("left_switch")
right_switch = radio.getSwitchGpio("right_switch")
menu_switch = radio.getSwitchGpio("menu_switch")
mute_switch = radio.getSwitchGpio("mute_switch")
if radio.getRotaryClass() is radio.ROTARY_STANDARD:
volumeknob = RotaryEncoder(left_switch,right_switch,mute_switch,volume_event,boardrevision)
tunerknob = RotaryEncoder(down_switch,up_switch,menu_switch,tuner_event,boardrevision)
elif radio.getRotaryClass() is radio.ROTARY_ALTERNATIVE:
volumeknob = RotaryEncoderAlternative(left_switch,right_switch,mute_switch,volume_event,boardrevision)
log.message("Running" , log.INFO)
# Main processing loop
count = 0
toggleScrolling = True # Toggle scrolling between Line 2 and 3
while True:
# Check for audio device error
if radio.audioError():
lcd.line1("Audio Error!")
lcd.line2("Aborting!")
time.sleep(5)
sys.exit(1)
# See if we have had an interrupt
switch = radio.getSwitch()
if switch > 0:
get_switch_states(lcd,radio,rss,volumeknob,tunerknob)
display_mode = radio.getDisplayMode()
lcd.setScrollSpeed(0.3) # Scroll speed normal
dateFormat = radio.getDateFormat()
todaysdate = strftime(dateFormat)
source = radio.getSource()
ipaddr = exec_cmd('hostname -I')
# Shutdown command issued
if display_mode == radio.MODE_SHUTDOWN:
log.message("Shutting down", log.DEBUG)
displayShutdown(lcd,radio)
while True:
time.sleep(1)
if ipaddr is "":
lcd.line3("No IP network")
elif display_mode == radio.MODE_TIME:
if radio.getReload():
log.message("Reload ", log.DEBUG)
reload(lcd,radio)
radio.setReload(False)
msg = todaysdate
if radio.getStreaming():
msg = msg + ' *'
lcd.line1(msg)
if source == radio.AIRPLAY:
displayAirplay(lcd,radio)
else:
display_current(lcd,radio,toggleScrolling)
elif display_mode == radio.MODE_SEARCH:
display_search(lcd,radio)
elif display_mode == radio.MODE_SOURCE:
display_source_select(lcd,radio)
elif display_mode == radio.MODE_OPTIONS:
display_options(lcd,radio)
elif display_mode == radio.MODE_IP:
displayInfo(lcd,ipaddr,mpd_version)
elif display_mode == radio.MODE_RSS:
lcd.line1(todaysdate)
input_source = radio.getSource()
current_id = radio.getCurrentID()
if input_source == radio.RADIO:
station = radio.getRadioStation() + ' (' + str(current_id) + ')'
lcd.line2(station)
else:
lcd.line2("Current track:" + str(current_id))
display_rss(lcd,rss)
elif display_mode == radio.MODE_SLEEP:
lcd.line1(todaysdate)
display_sleep(lcd,radio)
# Timer function
checkTimer(radio)
# Check state (pause or play)
checkState(radio)
# Alarm wakeup function
if display_mode == radio.MODE_SLEEP and radio.alarmFired():
log.message("Alarm fired", log.INFO)
radio.unmute()
displayWakeUpMessage(lcd)
radio.setDisplayMode(radio.MODE_TIME)
# Toggle line 2 & 3 scrolling
if toggleScrolling:
toggleScrolling = False
else:
toggleScrolling = True
time.sleep(0.1)
def run(self):
global lcd
global CurrentFile
global volumeknob, tunerknob
log.init('radio')
# Setup signal handlers
signal.signal(signal.SIGTERM, signalHandler)
progcall = str(sys.argv)
log.message('Radio running pid ' + str(os.getpid()), log.INFO)
log.message(
"Radio " + progcall + " daemon version " + radio.getVersion(),
log.INFO)
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
i2c_address = radio.getI2Caddress()
# Load pcf8574 i2c class or Adafruit backpack
if radio.getBackPackType() == radio.PCF8574:
log.message("PCF8574 backpack, address: " + hex(i2c_address),
log.INFO)
lcd = lcd_i2c_pcf8574()
else:
log.message("Adafruit backpack, address: " + hex(i2c_address),
log.INFO)
lcd = lcd_i2c()
boardrevision = radio.getBoardRevision()
lcd.init(board_rev=boardrevision, address=i2c_address)
lcd.backlight(True)
# Set up LCD line width
width = lcd.getWidth()
if width > 0:
lcd.setWidth(width)
else:
lcd.setWidth(20)
lcd.line1("Radio vers " + radio.getVersion())
time.sleep(0.5)
ipaddr = exec_cmd('hostname -I')
hostname = exec_cmd('hostname -s')
# Display daemon pid on the LCD
message = "Radio pid " + str(os.getpid())
lcd.line2(message)
lcd.line3("Starting MPD")
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
lcd.line4("IP " + ipaddr)
radio.start()
log.message("MPD started", log.INFO)
time.sleep(0.5)
mpd_version = radio.execMpcCommand("version")
log.message(mpd_version, log.INFO)
lcd.scroll3(mpd_version, no_interrupt)
lcd.scroll4("GPIO version " + str(GPIO.VERSION), no_interrupt)
time.sleep(2.0)
# Auto-load music library if no Internet
if len(ipaddr) < 1 and radio.autoload():
log.message("Loading music library", log.INFO)
radio.setSource(radio.PLAYER)
# Load radio
reload(lcd, radio)
radio.play(get_stored_id(CurrentFile))
log.message("Current ID = " + str(radio.getCurrentID()), log.INFO)
lcd.line3("Radio Station " + str(radio.getCurrentID()))
# Get rotary switches configuration
up_switch = radio.getSwitchGpio("up_switch")
down_switch = radio.getSwitchGpio("down_switch")
left_switch = radio.getSwitchGpio("left_switch")
right_switch = radio.getSwitchGpio("right_switch")
menu_switch = radio.getSwitchGpio("menu_switch")
mute_switch = radio.getSwitchGpio("mute_switch")
if radio.getRotaryClass() is radio.ROTARY_STANDARD:
volumeknob = RotaryEncoder(left_switch, right_switch, mute_switch,
volume_event, boardrevision)
tunerknob = RotaryEncoder(down_switch, up_switch, menu_switch,
tuner_event, boardrevision)
elif radio.getRotaryClass() is radio.ROTARY_ALTERNATIVE:
volumeknob = RotaryEncoderAlternative(left_switch, right_switch,
mute_switch, volume_event,
boardrevision)
log.message("Running", log.INFO)
# Main processing loop
count = 0
toggleScrolling = True # Toggle scrolling between Line 2 and 3
while True:
# See if we have had an interrupt
switch = radio.getSwitch()
if switch > 0:
get_switch_states(lcd, radio, rss, volumeknob, tunerknob)
display_mode = radio.getDisplayMode()
lcd.setScrollSpeed(0.3) # Scroll speed normal
dateFormat = radio.getDateFormat()
todaysdate = strftime(dateFormat)
ipaddr = exec_cmd('hostname -I')
# Shutdown command issued
if display_mode == radio.MODE_SHUTDOWN:
log.message("Shutting down", log.DEBUG)
displayShutdown(lcd)
while True:
time.sleep(1)
if ipaddr is "":
lcd.line3("No IP network")
elif display_mode == radio.MODE_TIME:
if radio.getReload():
log.message("Reload ", log.DEBUG)
reload(lcd, radio)
radio.setReload(False)
msg = todaysdate
if radio.getStreaming():
msg = msg + ' *'
lcd.line1(msg)
display_current(lcd, radio, toggleScrolling)
elif display_mode == radio.MODE_SEARCH:
display_search(lcd, radio)
elif display_mode == radio.MODE_SOURCE:
display_source_select(lcd, radio)
elif display_mode == radio.MODE_OPTIONS:
display_options(lcd, radio)
elif display_mode == radio.MODE_IP:
displayInfo(lcd, ipaddr, mpd_version)
elif display_mode == radio.MODE_RSS:
lcd.line1(todaysdate)
input_source = radio.getSource()
current_id = radio.getCurrentID()
if input_source == radio.RADIO:
station = radio.getRadioStation() + ' (' + str(
current_id) + ')'
lcd.line2(station)
else:
lcd.line2("Current track:" + str(current_id))
display_rss(lcd, rss)
elif display_mode == radio.MODE_SLEEP:
lcd.line1(todaysdate)
display_sleep(lcd, radio)
# Timer function
checkTimer(radio)
# Check state (pause or play)
checkState(radio)
# Alarm wakeup function
if display_mode == radio.MODE_SLEEP and radio.alarmFired():
log.message("Alarm fired", log.INFO)
radio.unmute()
displayWakeUpMessage(lcd)
radio.setDisplayMode(radio.MODE_TIME)
# Toggle line 2 & 3 scrolling
if toggleScrolling:
toggleScrolling = False
else:
toggleScrolling = True
time.sleep(0.1)
def run(self):
global lcd
global CurrentFile
GPIO.setmode(GPIO.BCM) # Use BCM GPIO numbers
GPIO.setwarnings(False) # Ignore warnings
down_switch = radio.getSwitchGpio("down_switch")
log.message("Down switch = " + str(down_switch), log.DEBUG)
boardrevision = radio.getBoardRevision()
if boardrevision == 1:
# For rev 1 boards with no inbuilt pull-up/down resistors
# Wire the GPIO inputs to ground via a 10K resistor
GPIO.setup(MENU_SWITCH, GPIO.IN)
GPIO.setup(UP_SWITCH, GPIO.IN)
GPIO.setup(down_switch, GPIO.IN)
GPIO.setup(LEFT_SWITCH, GPIO.IN)
GPIO.setup(RIGHT_SWITCH, GPIO.IN)
else:
# For rev 2 boards with inbuilt pull-up/down resistors the
# following lines are used instead of the above, so
# there is no need to physically wire the 10k resistors
GPIO.setup(MENU_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(UP_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(down_switch, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(LEFT_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(RIGHT_SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
# Initialise radio
log.init('radio')
signal.signal(signal.SIGTERM, signalHandler)
signal.signal(signal.SIGUSR1, signalSIGUSR1)
progcall = str(sys.argv)
log.message('Radio running pid ' + str(os.getpid()), log.INFO)
log.message(
"Radio " + progcall + " daemon version " + radio.getVersion(),
log.INFO)
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
# Load pcf8475 i2c class or Adafruit backpack
if radio.getBackPackType() == radio.PCF8475:
log.message("PCF8475 backpack", log.INFO)
lcd = lcd_i2c_pcf8475()
else:
log.message("Adafruit backpack", log.INFO)
lcd = lcd_i2c()
boardrevision = radio.getBoardRevision()
lcd.init(boardrevision)
lcd.backlight(True)
hostname = exec_cmd('hostname')
ipaddr = exec_cmd('hostname -I')
myos = exec_cmd('uname -a')
log.message(myos, log.INFO)
# Display daemon pid on the LCD
message = "Radio pid " + str(os.getpid())
lcd.line1(message)
lcd.line2("IP " + ipaddr)
time.sleep(4)
# Wait for the IP network
ipaddr = ""
waiting4network = True
count = 10
while waiting4network:
lcd.line2("Wait for network")
ipaddr = exec_cmd('hostname -I')
time.sleep(1)
count -= 1
if (count < 0) or (len(ipaddr) > 1):
waiting4network = False
if len(ipaddr) < 1:
lcd.line2("No IP network")
else:
lcd.line2("IP " + ipaddr)
time.sleep(2)
log.message("Starting MPD", log.INFO)
lcd.line2("Starting MPD")
radio.start()
log.message("MPD started", log.INFO)
mpd_version = radio.execMpcCommand("version")
log.message(mpd_version, log.INFO)
lcd.line1("Radio ver " + radio.getVersion())
lcd.scroll2(mpd_version, no_interrupt)
time.sleep(1)
reload(lcd, radio)
radio.play(get_stored_id(CurrentFile))
log.message("Current ID = " + str(radio.getCurrentID()), log.INFO)
# Set up switch event processing
GPIO.add_event_detect(MENU_SWITCH,
GPIO.RISING,
callback=switch_event,
bouncetime=200)
GPIO.add_event_detect(LEFT_SWITCH,
GPIO.RISING,
callback=switch_event,
bouncetime=200)
GPIO.add_event_detect(RIGHT_SWITCH,
GPIO.RISING,
callback=switch_event,
bouncetime=200)
GPIO.add_event_detect(UP_SWITCH,
GPIO.RISING,
callback=switch_event,
bouncetime=200)
GPIO.add_event_detect(down_switch,
GPIO.RISING,
callback=switch_event,
bouncetime=200)
# Main processing loop
count = 0
while True:
switch = radio.getSwitch()
if switch > 0:
get_switch_states(lcd, radio, rss)
display_mode = radio.getDisplayMode()
lcd.setScrollSpeed(0.3) # Scroll speed normal
dateFormat = radio.getDateFormat()
todaysdate = strftime(dateFormat)
ipaddr = exec_cmd('hostname -I')
# Shutdown command issued
if display_mode == radio.MODE_SHUTDOWN:
displayShutdown(lcd)
while True:
time.sleep(1)
if len(ipaddr) < 1:
lcd.line2("No IP network")
elif display_mode == radio.MODE_TIME:
if radio.getReload():
log.message("Reload ", log.DEBUG)
reload(lcd, radio)
radio.setReload(False)
else:
displayTime(lcd, radio)
if radio.muted():
msg = "Sound muted"
if radio.getStreaming():
msg = msg + ' *'
lcd.line2(msg)
else:
display_current(lcd, radio)
elif display_mode == radio.MODE_SEARCH:
display_search(lcd, radio)
elif display_mode == radio.MODE_SOURCE:
display_source_select(lcd, radio)
elif display_mode == radio.MODE_OPTIONS:
display_options(lcd, radio)
elif display_mode == radio.MODE_IP:
lcd.line2("Radio v" + radio.getVersion())
if len(ipaddr) < 1:
lcd.line1("No IP network")
else:
lcd.scroll1("IP " + ipaddr, interrupt)
elif display_mode == radio.MODE_RSS:
displayTime(lcd, radio)
display_rss(lcd, rss)
elif display_mode == radio.MODE_SLEEP:
lcd.line1(todaysdate)
display_sleep(lcd, radio)
# Timer function
checkTimer(radio)
# Check state (pause or play)
checkState(radio)
# Alarm wakeup function
if display_mode == radio.MODE_SLEEP and radio.alarmFired():
log.message("Alarm fired", log.INFO)
unmuteRadio(lcd, radio)
displayWakeUpMessage(lcd)
radio.setDisplayMode(radio.MODE_TIME)
if radio.volumeChanged():
lcd.line2("Volume " + str(radio.getVolume()))
time.sleep(0.5)
time.sleep(0.1)
def run(self):
global lcd
global CurrentFile
global volumeknob, tunerknob
log.init('radio')
signal.signal(signal.SIGTERM, signalHandler)
progcall = str(sys.argv)
log.message('Radio running pid ' + str(os.getpid()), log.INFO)
log.message(
"Radio " + progcall + " daemon version " + radio.getVersion(),
log.INFO)
log.message("GPIO version " + str(GPIO.VERSION), log.INFO)
i2c_address = radio.getI2Caddress() # Get address from configuration
# Load pcf8574 i2c class or Adafruit backpack
if radio.getBackPackType() == radio.PCF8574:
log.message("PCF8574 backpack address: " + hex(i2c_address),
log.INFO)
lcd = lcd_i2c_pcf8574()
else:
log.message("Adafruit backpack address: " + hex(i2c_address),
log.INFO)
lcd = lcd_i2c()
boardrevision = radio.getBoardRevision()
lcd.init(board_rev=boardrevision, address=i2c_address)
lcd.backlight(True)
hostname = exec_cmd('hostname')
ipaddr = exec_cmd('hostname -I')
# Display daemon pid on the LCD
message = "Radio pid " + str(os.getpid())
lcd.line1(message)
lcd.line2("IP " + ipaddr)
time.sleep(4)
log.message("Starting MPD", log.INFO)
lcd.line2("Starting MPD")
radio.start()
log.message("MPD started", log.INFO)
mpd_version = radio.execMpcCommand("version")
log.message(mpd_version, log.INFO)
lcd.line1("Radio ver " + radio.getVersion())
lcd.scroll2(mpd_version, no_interrupt)
time.sleep(1)
reload(lcd, radio)
radio.play(get_stored_id(CurrentFile))
log.message("Current ID = " + str(radio.getCurrentID()), log.INFO)
# Get rotary switches configuration
up_switch = radio.getSwitchGpio("up_switch")
down_switch = radio.getSwitchGpio("down_switch")
left_switch = radio.getSwitchGpio("left_switch")
right_switch = radio.getSwitchGpio("right_switch")
menu_switch = radio.getSwitchGpio("menu_switch")
mute_switch = radio.getSwitchGpio("mute_switch")
if radio.getRotaryClass() is radio.ROTARY_STANDARD:
volumeknob = RotaryEncoder(left_switch, right_switch, mute_switch,
volume_event, boardrevision)
tunerknob = RotaryEncoder(up_switch, down_switch, menu_switch,
tuner_event, boardrevision)
elif radio.getRotaryClass() is radio.ROTARY_ALTERNATIVE:
volumeknob = RotaryEncoderAlternative(left_switch, right_switch,
mute_switch, volume_event,
boardrevision)
tunerknob = RotaryEncoderAlternative(up_switch, down_switch,
menu_switch, tuner_event,
boardrevision)
log.message("Running", log.INFO)
# Main processing loop
count = 0
while True:
switch = radio.getSwitch()
if switch > 0:
get_switch_states(lcd, radio, rss, volumeknob, tunerknob)
radio.setSwitch(0)
display_mode = radio.getDisplayMode()
lcd.setScrollSpeed(0.3) # Scroll speed normal
dateFormat = radio.getDateFormat()
todaysdate = strftime(dateFormat)
ipaddr = exec_cmd('hostname -I')
# Shutdown command issued
if display_mode == radio.MODE_SHUTDOWN:
displayShutdown(lcd)
while True:
time.sleep(1)
elif ipaddr is "":
lcd.line2("No IP network")
elif display_mode == radio.MODE_TIME:
if radio.getReload():
log.message("Reload ", log.DEBUG)
reload(lcd, radio)
radio.setReload(False)
displayTime(lcd, radio)
if radio.muted():
msg = "Sound muted"
if radio.getStreaming():
msg = msg + ' *'
lcd.line2(msg)
else:
display_current(lcd, radio)
elif display_mode == radio.MODE_SEARCH:
display_search(lcd, radio)
elif display_mode == radio.MODE_SOURCE:
display_source_select(lcd, radio)
elif display_mode == radio.MODE_OPTIONS:
display_options(lcd, radio)
elif display_mode == radio.MODE_IP:
lcd.line2("Radio v" + radio.getVersion())
if ipaddr is "":
lcd.line1("No IP network")
else:
lcd.scroll1("IP " + ipaddr, interrupt)
elif display_mode == radio.MODE_RSS:
lcd.line1(todaysdate)
display_rss(lcd, rss)
elif display_mode == radio.MODE_SLEEP:
lcd.line1(todaysdate)
display_sleep(lcd, radio)
# Timer function
checkTimer(radio)
# Check state (pause or play)
checkState(radio)
# Alarm wakeup function
if display_mode == radio.MODE_SLEEP and radio.alarmFired():
log.message("Alarm fired", log.INFO)
unmuteRadio(lcd, radio)
displayWakeUpMessage(lcd)
radio.setDisplayMode(radio.MODE_TIME)
if radio.volumeChanged():
lcd.line2("Volume " + str(radio.getVolume()))
time.sleep(0.5)
time.sleep(0.1)
