Natthakorn Meechai
2
Diff: player.cpp
- Revision:
- 0:58524d569dfd
- Child:
- 1:17913cff05a2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/player.cpp Fri Dec 02 19:37:00 2016 +0000
@@ -0,0 +1,201 @@
+#include "player.h"
+#include"SDFileSystem.h"
+
+SDFileSystem sd(D11, D12, D13, D9, "sd"); // the pinout on the mbed Cool
+vs10xx vs1053(D11, D12, D13, D6, D7, D2, D8);//mosi,miso,sclk,xcs,xdcs,dreq,xreset
+Serial pc(USBTX, USBRX);
+playerStatetype playerState;
+ctrlStatetype ctrlState;
+static unsigned char fileBuf[1024];
+unsigned char *bufptr;
+
+char list[20][14]; //song list
+char index = 0; //song play index
+char index_MAX; //how many song in all
+unsigned char vlume = 0x40; //vlume
+unsigned char vlumeflag = 0; //set vlume flag
+
+void Player::begin(void)
+{
+ DirHandle *dir;
+ struct dirent *ptr;
+ FileHandle *fp;
+
+ vs1053.reset();
+ dir = opendir("/sd");
+ printf("\r\n**********playing list**********\r\n");
+ unsigned char i = 0,j=0;
+ while(((ptr = dir->readdir()) != NULL)&&(i <20))
+ {
+ if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3")||strstr(ptr->d_name,".WAV")||strstr(ptr->d_name,".wav")
+ ||strstr(ptr->d_name,".WMA")||strstr(ptr->d_name,".wma")||strstr(ptr->d_name,".OGG")||strstr(ptr->d_name,".ogg")
+ ||strstr(ptr->d_name,".AAC")||strstr(ptr->d_name,".aac")||strstr(ptr->d_name,".FLAC")||strstr(ptr->d_name,".flac"))
+ {
+ fp =sd.open(ptr->d_name, O_RDONLY);
+ if(fp != NULL)
+ {
+ char *byte = ptr->d_name;
+ j=0;
+ while(*byte)
+ {
+ list[i][j++] = *byte++;
+ }
+ pc.printf("%2d . %s\r\n", i,list[i++]);
+ //fp->close();
+ }
+ }
+ }
+ index_MAX = i-1;
+ dir->closedir();
+ printf("\r\n");
+}
+
+/* This function plays back an audio file. */
+void Player::playFile(char *file) {
+ int bytes; // How many bytes in buffer left
+ char n;
+
+
+ playerState = PS_PLAY;
+
+ if (strstr(file, ".flac"))
+ {
+ printf("Loading FLAC Plugin...\r\n");
+ vs1053.loadPlugin(flacPlugin,sizeof(flacPlugin)/sizeof(flacPlugin[0]));
+ }
+
+ vs1053.setFreq(24000000); //hight speed
+
+ FileHandle *fp =sd.open(file, O_RDONLY);
+
+ if(fp == NULL) {
+ printf("Could not open %s\r\n",file);
+
+ }
+ else
+ {
+ printf("Playing %s ...\r\n",file);
+
+ /* Main playback loop */
+ while((bytes = fp->read(fileBuf,512)) > 0)
+ {
+ bufptr = fileBuf;
+
+ // actual audio data gets sent to VS10xx.
+ while(bytes > 0)
+ {
+ n = (bytes < 32)?bytes:32;
+ vs1053.writeData(bufptr,n);
+ bytes -= n;
+ bufptr += n;
+ }
+ while(playerState == PS_PAUSE); //Pause
+
+ if(vlumeflag) //set vlume
+ {
+ vs1053.setFreq(12000000); //low speed
+ vs1053.writeRegister(SPI_VOL, vlume*0x101); //Set volume level
+ vs1053.setFreq(24000000); //higth speed
+ vlumeflag = 0; //clear flag;
+ }
+
+ if(playerState != PS_PLAY) //stop
+ {
+ fp->close();
+ vs1053.softReset();
+ return;
+ }
+ }
+ fp->close();
+ vs1053.softReset();
+ printf("[done!]\r\n");
+ }
+ if(index != index_MAX)index++;
+ else index = 0;
+}
+
+
+/* PCM file Header */
+unsigned char pcmHeader[44] = {
+ 'R', 'I', 'F', 'F',
+ 0xFF, 0xFF, 0xFF, 0xFF,
+ 'W', 'A', 'V', 'E',
+ 'f', 'm', 't', ' ',
+ 0x10, 0, 0, 0, /* 16 */
+ 0x1, 0, /* PCM */
+ 0x1, 0, /* chan */
+ 0x40, 0x1F, 0x0, 0x0, /* sampleRate */
+ 0x80, 0x3E, 0x0, 0x0, /* byteRate */
+ 2, 0, /* blockAlign */
+ 0x10, 0, /* bitsPerSample */
+ 'd', 'a', 't', 'a',
+ 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+void Set32(unsigned char *d, unsigned int n) {
+ int i;
+ for (i=0; i<4; i++) {
+ *d++ = (unsigned char)n;
+ n >>= 8;
+ }
+}
+
+/* This function records an audio file in WAV formats.Use LINK1,left channel */
+void Player::recordFile(char *file) {
+ unsigned int fileSize = 0;
+ unsigned int n;
+
+ vs1053.writeRegister(SPI_BASS, 0x0055); //set accent
+ vs1053.writeRegister(SPI_AICTRL0,8000); //samplerate 8k
+ vs1053.writeRegister(SPI_AICTRL1,0); //record gain
+ vs1053.writeRegister(SPI_AICTRL2,0); //Set the gain maximum,65536=64X
+ vs1053.writeRegister(SPI_AICTRL3,7); //PCM Mode ,left channel,earphone mic
+ //vs1053.writeRegister(SPI_AICTRL3,6); //PCM Mode ,right channel,board mic
+ vs1053.writeRegister(SPI_CLOCKF,0x2000); //set clock
+
+ printf("loading recording plugin......\r\n");
+ vs1053.writeRegister(SPI_MODE,0x1804); //Initialize recording
+
+ vs1053.loadPlugin(recPlugin,sizeof(recPlugin)/sizeof(recPlugin[0]));
+ sd.remove(file);
+ FileHandle *fp =sd.open(file, O_WRONLY|O_CREAT);
+ if(fp == NULL) {
+ printf("Could not open file for write\r\n");
+ }
+ else
+ {
+ printf("recording......\r\n");
+ while(playerState == PS_RECORDING)
+ {
+ unsigned int i;
+ unsigned char *rbp = fileBuf;
+ /* See if there is some data available */
+ if ((n = vs1053.readRegister(SPI_HDAT1)) > 0) {
+ /* Make little-endian conversion for 16-bit PCM .WAV files */
+ if(n>511)n=511;
+ for (i=0; i<n;i++) {
+ unsigned int w = vs1053.readRegister(SPI_HDAT0);
+ *rbp++ = (unsigned char)(w & 0xFF);
+ *rbp++ = (unsigned char)(w >> 8);
+ }
+ fp->write(fileBuf,2*n);
+ fileSize += 2*n;
+ }
+
+ }
+
+ /* Update file sizes for an RIFF PCM .WAV file */
+ fp->lseek(0, SEEK_SET);
+ Set32(pcmHeader+4, fileSize-8);
+ Set32(pcmHeader+40, fileSize-36);
+ fp->write(pcmHeader, sizeof(pcmHeader));
+ fp->close();
+
+ printf("recording end\r\n");
+ }
+ /* Finally, reset the VS10xx software, including realoading the
+ patches package, to make sure everything is set up properly. */
+ vs1053.softReset();
+
+}
+