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Music.py
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Music.py
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#from blocky_utility import get_free_UART TODO
from machine import Pin , UART
from Blocky.Pin import getPin
from time import sleep_ms as delay
from time import ticks_diff,ticks_ms
import binascii
class Music :
def __init__ ( self , port ):
pin = getPin(port)
if (pin[0]==None or pin[1] == None):
from machine import reset
reset()
self.bus = UART(1 , 9600)
self.bus.init(baudrate = 9600 , bits = 8 , parity = None , stop = 1 , rx = pin[0] , tx = pin[1] )
def sendStack(self , cmd , param1 , param2):
# plug and play
self.bus = UART(1 , 9600)
self.bus.init(baudrate = 9600 , bits = 8 , parity = None , stop = 1 , rx = pin[0] , tx = pin[1] )
# empty the buffer
while self.bus.any():
self.bus.read()
buff = bytearray([0x7E, 0xFF, 0x06, cmd,0x01, param1, param2, 0xEF])
self.bus.write(buff)
nowTime = ticks_ms()
# no ack
#=====================================================
def nextSong(self):
self.sendStack(0x01,0x00,0x00)
def previousSong(self):
self.sendStack(0x02,0x00,0x00)
def play( song , folder = None ):
if folder == None :
try :
song = max(0,int(song))
self.sendStack(0x03, song//256 , song%256)
except :
return
else :
try :
song = max(0,int(song))
folder = max(0,int(folder))
self.sendStack(0x0F, folder , song)
except :
return
def volume(self , volume = None ):
if volume == None :
return self._readRegister(0x43)
else :
try :
volume = max(0,min(30,int(volume)))
self.sendStack(0x06 , 0x00 , volume)
except :
return
def loop ( self , song):
try :
song = max(0,int(song))
self.sendStack(0x08, song//256 , song%256)
except :
pass
def setEqualizer(self , eq):
self.sendStack(0x07 , 0x00 , eq)
def outputDevice( self , device):
self.sendStack(0x09,0x00,device)
delay(200)
def sleep(self):
self.sendStack(0x0A, 0x00,0x00)
def reset(self):
self.sendStack(0x0C,0x00,0x00)
delay(2000)
def start(self):
self.sendStack(0x0D,0x00,0x00)
def pause(self):
self.sendStack(0x0E,0x00,0x00)
def playFolder(self,folder,song):
self.sendStack(0x0F,folder,song)
def outputSetting(self,enable,gain):
self.sendStack(0x10,enable,gain)
def enableLoopAll(self):
self.sendStack(0x11,0x00,0x01)
def disableLoopAll(self):
self.sendStack(0x11,0x00,0x00)
def playMP3Folder(self,file):
self.sendStack(0x12,file//256,file%256)
def advertise( self,file):
self.sendStack(0x13,file//256,file%256)
def stopAdvertise(self):
self.sendStack(0x15)
self.sendStack(0x16,0x00,0x00)
def stop(self):
self.sendStack(0x16,0x00,0x00)
def loopFolder(self,folderNumber):
self.sendStack(0x17, folderNumber//256,folderNumber%256)
def randomAll(self):
self.sendStack(0x18,0x00,0x00)
def enableLoop(self):
self.sendStack(0x19, 0x00,0x00)
def disableLoop(self):
self.sendStack(0x19, 0x01,0x00)
def enableDAC(self):
self.sendStack(0x1A, 0x00,0x00)
def disableDAC(self):
self.sendStack(0x1A, 0x01,0x00)
def readState(self):
return self._readRegister(0x42)
def readEQ(self):
return self._readRegister(0x44)
def readFileCounts(self):
return self._readRegister(0x48)
def readCurrentFileNumber(self):
return self._readRegister(0x4C)
def readFileCountsInFolder(self,folder):
return self._readRegister(0x4E,folder)
def readFolderCounts(self):
return self._readRegister(0x4F)
def _readRegister(self,cmd,param=None):
# plug and play
self.bus = UART(1 , 9600)
self.bus.init(baudrate = 9600 , bits = 8 , parity = None , stop = 1 , rx = pin[0] , tx = pin[1] )
nowTime = ticks_ms()
while self.bus.any() :
self.bus.read()
if param == None :
self.sendStack(cmd,0x00,0x00)
else :
self.sendStack(cmd,param//256,param%256)
while not self.bus.any():
if ticks_diff(ticks_ms() , nowTime) > 200:
return None
buffer = self.bus.read(10)
print(buffer)
return buffer[5]*256 + buffer[6]