mbeduino_MP3_Shield_MP3Player - mbeduino MP3 Sheild player MP3 player that run…

Users » xshige » Code » mbeduino_MP3_Shield_MP3Player

Shigeki KOMATSU / Mbed 2 deprecated mbeduino_MP3_Shield_MP3Player

mbeduino MP3 Sheild player MP3 player that runs on mebeduin with MP3 Shield. Regarding mbeduino, refer to: http://mbed.org/users/okini3939/notebook/mbeduino/ Regarding MP3 Shiled, refer to: http://www.sparkfun.com/commerce/product_info.php?products_id=9736

Dependencies: mbed SDFileSystem

main.cpp@0:67cb2f650c15, 2010-10-12 (annotated)

Committer:: xshige
Date:: Tue Oct 12 14:11:52 2010 +0000
Revision:: 0:67cb2f650c15
Child:: 1:c47269f0e9e1

Who changed what in which revision?

User	Revision	Line number	New contents of line
xshige	0:67cb2f650c15	1	//
xshige	0:67cb2f650c15	2	// mbeduino MP3 Shield Player
xshige	0:67cb2f650c15	3	//
xshige	0:67cb2f650c15	4	// Note:
xshige	0:67cb2f650c15	5	// (1)Push reset button on the MP3 Sheild to reboot
xshige	0:67cb2f650c15	6	// when this program does not work correctly.
xshige	0:67cb2f650c15	7	// (2)Remenber the file system does not support long file/directory name.
xshige	0:67cb2f650c15	8	// (3)I have confirmed MP3,Ogg,MIDI work correcly.
xshige	0:67cb2f650c15	9	// But other formats(WAV,WMA,AAC) do Not work. I don't know reason why...
xshige	0:67cb2f650c15	10	//
xshige	0:67cb2f650c15	11	// 2010/10/12
xshige	0:67cb2f650c15	12	// ported on mbeduino with MP3 Shield by xshige
xshige	0:67cb2f650c15	13
xshige	0:67cb2f650c15	14	#define mbeduino
xshige	0:67cb2f650c15	15
xshige	0:67cb2f650c15	16	#include "mbed.h"
xshige	0:67cb2f650c15	17	#include "VS1053.h"
xshige	0:67cb2f650c15	18
xshige	0:67cb2f650c15	19	#ifdef mbeduino
xshige	0:67cb2f650c15	20	#include "ArduinoShield.h"
xshige	0:67cb2f650c15	21	#endif
xshige	0:67cb2f650c15	22
xshige	0:67cb2f650c15	23	/*
xshige	0:67cb2f650c15	24
xshige	0:67cb2f650c15	25	MP3 Shield Pin Assigment on mbeduino
xshige	0:67cb2f650c15	26
xshige	0:67cb2f650c15	27	Arduino MP3 Side:
xshige	0:67cb2f650c15	28	RX NC
xshige	0:67cb2f650c15	29	TX NC
xshige	0:67cb2f650c15	30
xshige	0:67cb2f650c15	31	D2(BSYNC)
xshige	0:67cb2f650c15	32	D3(DREQ)
xshige	0:67cb2f650c15	33
xshige	0:67cb2f650c15	34	D4(GPIO2) NC
xshige	0:67cb2f650c15	35	D5(GPIO3) NC
xshige	0:67cb2f650c15	36
xshige	0:67cb2f650c15	37	D9(CS)
xshige	0:67cb2f650c15	38
xshige	0:67cb2f650c15	39	D11(MOSI)
xshige	0:67cb2f650c15	40	D12(MISO)
xshige	0:67cb2f650c15	41	D13(SCK)
xshige	0:67cb2f650c15	42
xshige	0:67cb2f650c15	43	NC: means None-Connection so that I cut pin away.
xshige	0:67cb2f650c15	44
xshige	0:67cb2f650c15	45	//-------------
xshige	0:67cb2f650c15	46
xshige	0:67cb2f650c15	47	this program comming from the following code:
xshige	0:67cb2f650c15	48
xshige	0:67cb2f650c15	49	Arduino MP3 Shield MP3Player
xshige	0:67cb2f650c15	50	2010/10/3
xshige	0:67cb2f650c15	51
xshige	0:67cb2f650c15	52	This program comes from http://mbed.org/cookbook/VS1002-MP3-Decoder
xshige	0:67cb2f650c15	53	(Very small modification done to fit latest libs)
xshige	0:67cb2f650c15	54
xshige	0:67cb2f650c15	55
xshige	0:67cb2f650c15	56	Pin Assigenment for Arduino MP3 Shield
xshige	0:67cb2f650c15	57	(VS1053 employed, issued by sparkfun.com)
xshige	0:67cb2f650c15	58
xshige	0:67cb2f650c15	59	MP3 Sheild Side \| mbed Side
xshige	0:67cb2f650c15	60	---------------------------------------
xshige	0:67cb2f650c15	61	D2(BSYNC)------------17
xshige	0:67cb2f650c15	62	D3(DREQ)-------------16
xshige	0:67cb2f650c15	63
xshige	0:67cb2f650c15	64	D9(CS)---------------14
xshige	0:67cb2f650c15	65
xshige	0:67cb2f650c15	66	D11(MOSI)------------11
xshige	0:67cb2f650c15	67	D12(MISO)------------12
xshige	0:67cb2f650c15	68	D13(SCK)-------------13
xshige	0:67cb2f650c15	69
xshige	0:67cb2f650c15	70	GND------------------GND(1)
xshige	0:67cb2f650c15	71	5V-------------------VU(39)
xshige	0:67cb2f650c15	72	RESET----------------15
xshige	0:67cb2f650c15	73
xshige	0:67cb2f650c15	74	Volume will not used. (pin20 will not used)
xshige	0:67cb2f650c15	75
xshige	0:67cb2f650c15	76	*/
xshige	0:67cb2f650c15	77
xshige	0:67cb2f650c15	78	#include "SDFileSystem.h"
xshige	0:67cb2f650c15	79	SDFileSystem sd(p5, p6, p7, p8, "sd");
xshige	0:67cb2f650c15	80
xshige	0:67cb2f650c15	81	VS1053 mp3(
xshige	0:67cb2f650c15	82	// PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
xshige	0:67cb2f650c15	83	// PinName dreq, PinName dcs, PinName vol)
xshige	0:67cb2f650c15	84	#ifndef mbeduino
xshige	0:67cb2f650c15	85	p11, p12, p13, p14, p15,
xshige	0:67cb2f650c15	86	p16, p17, p20);
xshige	0:67cb2f650c15	87	#endif
xshige	0:67cb2f650c15	88	#ifdef mbeduino
xshige	0:67cb2f650c15	89	ARD_D11,ARD_D12,ARD_D13,ARD_D9,p15,
xshige	0:67cb2f650c15	90	ARD_D3,ARD_D2,p20);
xshige	0:67cb2f650c15	91
xshige	0:67cb2f650c15	92	DigitalOut common_cs(ARD_D10);
xshige	0:67cb2f650c15	93	DigitalOut sdFile_cs(p8);
xshige	0:67cb2f650c15	94	#endif
xshige	0:67cb2f650c15	95
xshige	0:67cb2f650c15	96
xshige	0:67cb2f650c15	97	int main ()
xshige	0:67cb2f650c15	98	{
xshige	0:67cb2f650c15	99	// make debug port Fast
xshige	0:67cb2f650c15	100	Serial pc(USBTX, USBRX);
xshige	0:67cb2f650c15	101	// pc.baud(9600);
xshige	0:67cb2f650c15	102	pc.baud(115200);
xshige	0:67cb2f650c15	103	// pc.baud(230400);
xshige	0:67cb2f650c15	104
xshige	0:67cb2f650c15	105	#ifdef mbeduino
xshige	0:67cb2f650c15	106	// I am not sure that the followig code needed
xshige	0:67cb2f650c15	107	common_cs = 1; // init for de-select????
xshige	0:67cb2f650c15	108	sdFile_cs = 1;
xshige	0:67cb2f650c15	109	wait_ms(100);
xshige	0:67cb2f650c15	110	#endif
xshige	0:67cb2f650c15	111
xshige	0:67cb2f650c15	112	/*============================================================
xshige	0:67cb2f650c15	113	* MP3 Initialising
xshige	0:67cb2f650c15	114	==========================================================/
xshige	0:67cb2f650c15	115
xshige	0:67cb2f650c15	116	mp3._RST = 1;
xshige	0:67cb2f650c15	117	mp3.cs_high(); //chip disabled
xshige	0:67cb2f650c15	118	mp3.sci_initialise(); //initialise MBED
xshige	0:67cb2f650c15	119	mp3.sci_write(0x00,(SM_SDINEW+SM_STREAM)); // set mode reg.
xshige	0:67cb2f650c15	120	mp3.sci_write(0x03, 0x9800);
xshige	0:67cb2f650c15	121	mp3.sdi_initialise();
xshige	0:67cb2f650c15	122
xshige	0:67cb2f650c15	123	/*============================================================
xshige	0:67cb2f650c15	124	* This is the good part
xshige	0:67cb2f650c15	125	==========================================================/
xshige	0:67cb2f650c15	126
xshige	0:67cb2f650c15	127	/====== Song Select ======/
xshige	0:67cb2f650c15	128	for(int a=1; a<24; a++)
xshige	0:67cb2f650c15	129	{
xshige	0:67cb2f650c15	130	printf("Song#:%d\r\n",a);
xshige	0:67cb2f650c15	131	int song_number = a;
xshige	0:67cb2f650c15	132
xshige	0:67cb2f650c15	133	// char list[10000] = {0};
xshige	0:67cb2f650c15	134	char list[1000] = {0};
xshige	0:67cb2f650c15	135	char str[16] = {"/sd/"};
xshige	0:67cb2f650c15	136	unsigned int startplace = 0;
xshige	0:67cb2f650c15	137	unsigned int endplace = 0;
xshige	0:67cb2f650c15	138	unsigned int play = 0;
xshige	0:67cb2f650c15	139	int num_of_files = 0;
xshige	0:67cb2f650c15	140
xshige	0:67cb2f650c15	141	DIR *d;
xshige	0:67cb2f650c15	142	struct dirent *p;
xshige	0:67cb2f650c15	143	d = opendir("/sd");
xshige	0:67cb2f650c15	144	if(d != NULL)
xshige	0:67cb2f650c15	145	{
xshige	0:67cb2f650c15	146	while((p = readdir(d)) != NULL)
xshige	0:67cb2f650c15	147	{
xshige	0:67cb2f650c15	148	strcat(list, "*");
xshige	0:67cb2f650c15	149	strcat(list, p->d_name);
xshige	0:67cb2f650c15	150	num_of_files++;
xshige	0:67cb2f650c15	151	}
xshige	0:67cb2f650c15	152	}
xshige	0:67cb2f650c15	153	else
xshige	0:67cb2f650c15	154	{
xshige	0:67cb2f650c15	155	perror("Could not open directory!");
xshige	0:67cb2f650c15	156	}
xshige	0:67cb2f650c15	157	strcat(list, ""); //terminating
xshige	0:67cb2f650c15	158
xshige	0:67cb2f650c15	159	while(play != song_number)
xshige	0:67cb2f650c15	160	{
xshige	0:67cb2f650c15	161	char symbol = list[startplace];
xshige	0:67cb2f650c15	162	startplace++;
xshige	0:67cb2f650c15	163	if(symbol == 0x2A) //0x2A = "*"
xshige	0:67cb2f650c15	164	{
xshige	0:67cb2f650c15	165	play++;
xshige	0:67cb2f650c15	166	}
xshige	0:67cb2f650c15	167	}
xshige	0:67cb2f650c15	168	play = 0;
xshige	0:67cb2f650c15	169	while(play != (song_number+1))
xshige	0:67cb2f650c15	170	{
xshige	0:67cb2f650c15	171	char symbol = list[endplace];
xshige	0:67cb2f650c15	172	endplace++;
xshige	0:67cb2f650c15	173	if(symbol == 0x2A) //0x2A = "*"
xshige	0:67cb2f650c15	174	{
xshige	0:67cb2f650c15	175	play++;
xshige	0:67cb2f650c15	176	}
xshige	0:67cb2f650c15	177	}
xshige	0:67cb2f650c15	178
xshige	0:67cb2f650c15	179	strncat(str, &list[startplace], endplace-startplace);
xshige	0:67cb2f650c15	180	str[(endplace-startplace)+3] = '\0';
xshige	0:67cb2f650c15	181
xshige	0:67cb2f650c15	182	//printf("list: %s\r\n",list); //debug
xshige	0:67cb2f650c15	183
xshige	0:67cb2f650c15	184	/====== File Transfer ======/
xshige	0:67cb2f650c15	185
xshige	0:67cb2f650c15	186	printf("Now Playing: %s\r\n",str);
xshige	0:67cb2f650c15	187
xshige	0:67cb2f650c15	188	FILE *song;
xshige	0:67cb2f650c15	189	unsigned char array[512];
xshige	0:67cb2f650c15	190
xshige	0:67cb2f650c15	191	song = fopen(str, "rb");
xshige	0:67cb2f650c15	192
xshige	0:67cb2f650c15	193	if(!song)
xshige	0:67cb2f650c15	194	{
xshige	0:67cb2f650c15	195	exit(1);
xshige	0:67cb2f650c15	196	}
xshige	0:67cb2f650c15	197
xshige	0:67cb2f650c15	198	while(!feof(song))
xshige	0:67cb2f650c15	199	{
xshige	0:67cb2f650c15	200	int n=fread(&array, 1, sizeof(array), song);
xshige	0:67cb2f650c15	201	mp3.writeStream(array,n);
xshige	0:67cb2f650c15	202	}
xshige	0:67cb2f650c15	203	mp3.terminateStream();
xshige	0:67cb2f650c15	204
xshige	0:67cb2f650c15	205	fclose(song); //close the file
xshige	0:67cb2f650c15	206
xshige	0:67cb2f650c15	207	} // for
xshige	0:67cb2f650c15	208
xshige	0:67cb2f650c15	209	printf("Done.\r\n");
xshige	0:67cb2f650c15	210	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	12 Oct 2010
Imports:	59
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	2
Followers:	2

main.cpp@0:67cb2f650c15, 2010-10-12 (annotated)

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