MP3 Player - GD3800

MP3 Player - GD3800

 電路圖

 

程式列表

Python - ePy-Lite_GD3800.py

"""   ePy-Lite_GD3800.py     ePy-Lite  Number  Name   -----------------   VIN        1   VCC   P1_TX3     2   RX   P0_RX3     3   TX   GND        4  GND   https://translate.google.com/translate_tts?ie=UTF-8&client=tw-ob&tl=zh-tw&q=你好我是你的STEAM的好幫手，E py lite https://translate.google.com/translate_tts?ie=UTF-8&client=tw-ob&tl=zh-tw&q=這是GD3800 MP3 模組Demo https://translate.google.com/translate_tts?ie=UTF-8&client=tw-ob&tl=zh-tw&q=e Py-Lite易學板功能特色及應用，支持按鍵A, 重置鍵RST，藍牙BLE5.0可以做為程式下載或藍牙控制用，可外接RGB彩色燈, 最多64顆, 可以做出文字, 圖形顯示, 情境燈等，支持單色LED, 紅色 綠色 黃色, 可以做燈光明亮控制 https://translate.google.com/translate_tts?ie=UTF-8&client=tw-ob&tl=zh-tw&q=支持2組UART, 3組I2C, 1組SPI,方便來與各種感測器及設備來做連接及控制，支持4路PWM,可以用來控制馬達速度，支持USB 隨插即用及U Disk,並可以直接儲存資料在E PY-Lite   """   import micropython from machine import Switch  #Get button KEY library from machine import Pin, LED, UART import utime   STA_BYTE = 0x7E END_BYTE = 0xEF   class GD3800():   MP3_LOOP_ALL   = 0  # 全部循環   MP3_LOOP_FOLDER =1  # 文件夾內循環   MP3_LOOP_ONE  =2  # 單曲循環   MP3_LOOP_RAM  =3  # 隨機播放     MP3_STATUS_STOPPED = 0   MP3_STATUS_PLAYING = 1   MP3_STATUS_PAUSED  = 2   MP3_STATUS_FF  = 3   MP3_STATUS_FR  = 4     MP3_EQ_NORMAL  = 0   MP3_EQ_POP     = 1   MP3_EQ_ROCK    = 2   MP3_EQ_JAZZ    = 3   MP3_EQ_CLASSIC = 4   MP3_EQ_BASS    = 5     def __init__(self,port=3):     self.uart = UART(port, 9600)     self.player_volume = 30 # player_volume = 20     self.is_mute = False    # is_mute = False     self.setVolume(self.player_volume)     self.setEqualizer(self.MP3_EQ_NORMAL) # 設置EQ     def command(self, buffer, dlen):     for i in range(dlen):       self.uart.writechar(buffer[i])       print("Send:", end = '')     print("".join("%02XH," % i for i in buffer))     utime.sleep(1)     buffer = self.uart.read(4) # 從串口讀取資料     print("Read:", end = '')     print("".join("%02XH," % i for i in buffer))     def setVolume(self, volume):     # 7E 03 31 1E EF     self.player_volume = volume       buffer=bytearray(5)     buffer[0]=STA_BYTE     buffer[1]=0x03     buffer[2]=0x31 #CMD     buffer[3]=volume     buffer[4]=END_BYTE      self.command(buffer,5)     def play(self):     # 7E 02 01 EF     buffer=bytearray(4)     buffer[0]=STA_BYTE     buffer[1]=0x02     buffer[2]=0x01 #CMD     buffer[3]=END_BYTE     self.command(buffer,4)     def pause(self):     # 7E 02 02 EF     buffer=bytearray(4)     buffer[0]=STA_BYTE     buffer[1]=0x02     buffer[2]=0x02 #CMD     buffer[3]=END_BYTE     self.command(buffer,4)     def PlayAll(self,onoff):     # 7E 03 07 01 EF     buffer=bytearray(5)     buffer[0]=STA_BYTE     buffer[1]=0x03     buffer[2]=0x07 #CMD     buffer[3]=onoff     buffer[4]=END_BYTE     self.command(buffer,5)     def playStop(self):     # 7E 02 0E EF     buffer=bytearray(4)     buffer[0]=STA_BYTE     buffer[1]=0x02     buffer[2]=0x0E #CMD     buffer[3]=END_BYTE     self.command(buffer,4)     def setEqualizer(self,equalizerMode):     buffer=bytearray(5)     buffer[0]=STA_BYTE     buffer[1]=0x02     buffer[2]=0x32 #CMD     buffer[3]=equalizerMode     buffer[4]=END_BYTE     self.command(buffer,5)     def setLoopMode(self,mode):     # 7E 03 33 0x EF     buffer=bytearray(5)     buffer[0]=STA_BYTE     buffer[1]=0x03     buffer[2]=0x33 #CMD     buffer[3]=mode     buffer[4]=END_BYTE     self.command(buffer,5)     def playFileByIndexNumber(self,fileNumber):     buffer=bytearray(6)     buffer[0]=STA_BYTE     buffer[1]=0x04     buffer[2]=0x41 #CMD     buffer[3]=(fileNumber>>8) & 0xFF     buffer[4]=fileNumber & 0xFF     buffer[5]=END_BYTE     self.command(buffer,6)     def playMP3Folder(self, fileNumber):     buffer=bytearray(6)     buffer[0]=STA_BYTE     buffer[1]=0x04     buffer[2]=0x4A #CMD     buffer[3]=(fileNumber>>8) & 0xFF     buffer[4]=fileNumber & 0xFF     buffer[5]=END_BYTE     self.command(buffer,6)     def deinit(self):     # self.playStop()     self.pause() # 暫停     self.uart.deinit()   def key_int():   global KeyDone   KeyDone = True   # Start Function if __name__ == '__main__':   ledY = LED('ledy')   ledY.off()     KeyA = Switch('keya')    #Create button A   KeyA.callback(key_int)   KeyDone = False     mp3 = GD3800(3)   # mp3.PlayAll(0x01)   # mp3.play() # 播放   # mp3.playFileByIndexNumber(1)   # mp3.setLoopMode(GD3800.MP3_LOOP_ALL) # 設置循環模式   nextfile=1   fileindex=1     while True:     if(nextfile==1) :       mp3.playMP3Folder(fileindex)       fileindex +=1       nextfile=0       if (fileindex==5) :         fileindex=1       utime.sleep(1)     if(mp3.uart.any()): # 當串口有可讀數據時       buffer = mp3.uart.read(4) # 從串口讀取資料       print("Read:", end = '')       print("".join("%02XH," % i for i in buffer))       if (buffer[2]==0x80) :         nextfile=1       if KeyDone == True:    #Press A Key       break     mp3.deinit()   KeyA.callback(None)

 

執行結果

https://www.youtube.com/watch?v=qNuA122Kc5g