chong wang
/
lab3-News_Reader1
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: FatFileSystem HTTPClient NetServices RPG SDFileSystem TextLCD mbed spxml
Fork of
Arduino_MP3_Shield_MP3Player_UI
by 
Matthew Petersen
Revision 1:0014879fa94f, committed 2013-03-06
- Comitter:
- cwang365
- Date:
- Wed Mar 06 00:36:15 2013 +0000
- Parent:
- 0:9cb0b3d1b9e6
- Child:
- 2:447591cbba27
- Commit message:
- lab3-news_reader
Changed in this revision
--- a/FATFileSystem.lib Tue Oct 12 21:25:35 2010 +0000 +++ b/FATFileSystem.lib Wed Mar 06 00:36:15 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_unsupported/code/fatfilesystem/ \ No newline at end of file +http://mbed.org/users/mbed_unsupported/code/FatFileSystem/#333d6e93e58f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTTPClient.lib Wed Mar 06 00:36:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mamezu/code/HTTPClient/#62fac7f06c8d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetServices.lib Wed Mar 06 00:36:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/segundo/code/NetServices/#1fb1dbb9ad9e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RPG.lib Wed Mar 06 00:36:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/canderson199/code/RPG/#0b389c2c21b5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Wed Mar 06 00:36:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/cwang365/code/SDFileSystem/#7b4c861fe9ff
--- a/VS1002.cpp Tue Oct 12 21:25:35 2010 +0000
+++ b/VS1002.cpp Wed Mar 06 00:36:15 2013 +0000
@@ -10,31 +10,32 @@
* Constructor
* =================================================================*/
VS1002::VS1002(
-PinName mmosi, PinName mmiso, PinName ssck, PinName ccs, const char *name,
- PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
- PinName dreq, PinName dcs, PinName vol)
+ PinName mmosi, PinName mmiso, PinName ssck, PinName ccs, const char *name,
+ PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
+ PinName dreq, PinName dcs, PinName vol)
:
- _sd(mmosi, mmiso, ssck, ccs, name),
- _spi(mosi, miso, sck),
- _CS(cs),
- _RST(rst),
- _DREQ(dreq),
- _DCS(dcs),
- _VOL(vol) {
-
- }
+ _sd(mmosi, mmiso, ssck, ccs, name),
+ _spi(mosi, miso, sck),
+ _CS(cs),
+ _RST(rst),
+ _DREQ(dreq),
+ _DCS(dcs),
+ _VOL(vol)
+{
+
+}
/*===================================================================
* Functions
*==================================================================*/
-
+
void VS1002::cs_low(void)
{
- _CS = 0;
+ _CS = 0;
}
void VS1002::cs_high(void)
{
- _CS = 1;
+ _CS = 1;
}
void VS1002::dcs_low(void)
{
@@ -85,11 +86,10 @@
_RST = 1; //no reset
_spi.format(8,0); //spi 8bit interface, steady state low
_spi.frequency(1000000); //rising edge data record, freq. 1Mhz
-
+
cs_low();
- for(int i=0; i<4; i++)
- {
- _spi.write(0xFF); //clock the chip a bit
+ for(int i=0; i<4; i++) {
+ _spi.write(0xFF); //clock the chip a bit
}
cs_high();
dcs_high();
@@ -99,51 +99,51 @@
{
_spi.format(8,0);
_spi.frequency(7000000); //set to 7MHz
-
+
cs_high();
dcs_high();
}
void VS1002::sci_write(unsigned char address, unsigned short int data)
{
sci_en(); //enables SCI/disables SDI
-
+
while(!_DREQ); //wait unitl data request is high
_spi.write(0x02); //SCI write
_spi.write(address); //register address
_spi.write((data >> 8) & 0xFF); //write out first half of data word
_spi.write(data & 0xFF); //write out second half of data word
-
+
sci_dis(); //enables SDI/disables SCI
wait_us(5);
}
void VS1002::sdi_write(unsigned char datum)
{
sdi_en();
-
+
while(!_DREQ);
_spi.write(datum);
-
+
sci_dis();
}
unsigned short int VS1002::read(unsigned short int address)
{
cs_low(); //enables SCI/disables SDI
-
+
while(!_DREQ); //wait unitl data request is high
_spi.write(0x03); //SCI write
_spi.write(address); //register address
unsigned short int received = _spi.write(0x00); //write out dummy byte
received <<= 8;
received += _spi.write(0x00); //write out dummy byte
-
+
cs_high(); //enables SDI/disables SCI
-
+
return received; //return received word
}
void VS1002::sine_test_activate(unsigned char wave)
{
cs_high(); //enables SDI/disables SCI
-
+
while(!_DREQ); //wait unitl data request is high
_spi.write(0x53); //SDI write
_spi.write(0xEF); //SDI write
@@ -159,7 +159,7 @@
void VS1002::sine_test_deactivate(void)
{
cs_high();
-
+
while(!_DREQ);
_spi.write(0x45); //SDI write
_spi.write(0x78); //SDI write
@@ -172,22 +172,22 @@
}
void VS1002::volume(void)
{
- #ifdef FIXED_VOL
+#ifdef FIXED_VOL
unsigned char volumize = (0 * 255); // FIXED VOL (not support volume input)
- #else
+#else
unsigned char volumize = (_VOL * 255);
- #endif
+#endif
while(!_DREQ);
-
+
unsigned short int attenuation = ((256 * volumize) + volumize);
sci_write(0x0B, attenuation);
-
+
}
void VS1002::play_song(int song_number)
{
/*====== Song Select ======*/
-
+
// char list[10000] = {0};
char list[1000] = {0};
char str[16] = {"/sd/"};
@@ -199,40 +199,31 @@
DIR *d;
struct dirent *p;
d = opendir("/sd");
- if(d != NULL)
- {
- while((p = readdir(d)) != NULL)
- {
- strcat(list, "*");
- strcat(list, p->d_name);
- num_of_files++;
- }
- }
- else
- {
- perror("Could not open directory!");
+ if(d != NULL) {
+ while((p = readdir(d)) != NULL) {
+ strcat(list, "*");
+ strcat(list, p->d_name);
+ num_of_files++;
+ }
+ } else {
+ perror("Could not open directory!");
}
strcat(list, "*"); //terminating *
- if(num_of_files < song_number)
- {
+ if(num_of_files < song_number) {
return;
}
- while(play != song_number)
- {
+ while(play != song_number) {
char symbol = list[startplace];
startplace++;
- if(symbol == 0x2A) //0x2A = "*"
- {
+ if(symbol == 0x2A) { //0x2A = "*"
play++;
- }
+ }
}
play = 0;
- while(play != (song_number+1))
- {
+ while(play != (song_number+1)) {
char symbol = list[endplace];
- endplace++;
- if(symbol == 0x2A) //0x2A = "*"
- {
+ endplace++;
+ if(symbol == 0x2A) { //0x2A = "*"
play++;
}
}
@@ -240,44 +231,42 @@
strncat(str, &list[startplace], endplace-startplace);
str[(endplace-startplace)+3] = '\0';
-//printf("list: %s\r\n",list); //debug
+//printf("list: %s\r\n",list); //debug
/*====== File Transfer ======*/
- // return if not MP3 file
+ // return if not MP3 file
if (!((strstr(str,"MP3")!=NULL)||(strstr(str,"mp3")!=NULL))) return;
// display filename.mp3 to the lcd screen
lcd.printf("Now Playing: %s\r\n",str);
-
+
FILE *song;
unsigned char array[512];
-
+
song = fopen(str, "rb");
-
- if(!song)
- {
+
+ if(!song) {
exit(1);
}
-
- while((!feof(song))&&!pause1)
- {
- fread(&array, 1, 512, song);
- for(int i=0; i<512; i++)
- {
+
+ while((!feof(song))&&!pause1) {
+ fread(&array, 1, 512, song);
+ for(int i=0; i<512; i++) {
#ifndef FS_ONLY
sdi_write(array[i]);
- // printf(".");
+ // printf(".");
#endif
- }
+ }
#ifndef FS_ONLY
- volume();
+ volume();
#endif
- }
- for(int n=0; n<2048; n++)
- {
+ }
+ for(int n=0; n<2048; n++) {
#ifndef FS_ONLY
- sdi_write(0x00);
+ sdi_write(0x00);
#endif
- }
+ }
fclose(song); //close the file
+ lcd.printf("Done Playing: %s\r\n\n",str);
+ lcd.printf(" \n");
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/fetch.cpp Wed Mar 06 00:36:15 2013 +0000
@@ -0,0 +1,117 @@
+#include "mbed.h"
+#include "VS1002.h"
+#include "TextLCD.h"
+#include "RPG.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+#include "SDFileSystem.h"
+
+#include <string>
+#include <iostream>
+
+TextLCD lcd2(p10, p18, p24, p23, p22, p21, TextLCD::LCD16x2 ); // rs, e, d0-d3
+
+HTTPClient http;
+HTTPResult result;
+bool completed = false;
+
+void request_callback(HTTPResult r)
+{
+ result = r;
+ completed = true;
+}
+
+
+
+void fetch ()
+{
+ string voiceurl;
+ string httpurl = "http://translate.google.com/translate_tts?ie=UTF-8&tl=en&q=";
+ Serial pc(USBTX, USBRX);
+ pc.baud(9600);
+ char* title[10];
+ int counter=0;
+ char *ct[10]= {"/sd/0.txt","/sd/1.txt","/sd/2.txt","/sd/3.txt","/sd/4.txt","/sd/5.txt","/sd/6.txt","/sd/7.txt","/sd/8.txt","/sd/9.txt"};
+ char *tstartXML = "<title>"; //RSS XML start title
+ char *tendXML ="</title>"; //RSS XML end title
+ char *tsptr;
+ char *teptr;
+ int i=0,j=0;
+ // the eth and HTTP code has be taken directly from the HTTPStream documentation page
+ // see http://mbed.org/cookbook/HTTP-Client-Data-Containers
+
+ HTTPStream stream;
+ char BigBuf[1024 + 1] = {0};
+ stream.readNext((byte*)BigBuf, 1024); //Point to buffer for the first read
+ //CNN Tech News RSS Feed - get web page with XML
+ HTTPResult r = http.get("HTTP://rss.cnn.com/rss/cnn_tech.rss", &stream, request_callback);
+//fetch new and print
+ while (!completed) {
+ Net::poll(); // Polls the Networking stack
+ if (stream.readable()) { // check for end of file
+ BigBuf[stream.readLen()] = 0; // Transform this buffer in a zero-terminated char* string
+ tsptr = BigBuf;
+ // displays titles on LCD from XML "<title>....title text...</title>"
+ do {
+ tsptr = strstr(tsptr,tstartXML); // find <title> in string - NULL if not
+ teptr = strstr(tsptr,tendXML); // find <\title> in string - NULL if not
+
+ if (tsptr!=NULL) {
+ tsptr = tsptr + strlen(tstartXML);// move to char after "<title>"
+
+ voiceurl.erase();
+ voiceurl=tsptr;
+ voiceurl.erase(voiceurl.begin()+(strlen(tsptr)-strlen(teptr)),voiceurl.end());
+
+ printf("title: _____ %s\n",voiceurl);
+ }
+ if ((tsptr!=NULL)&&(teptr!=NULL)) {
+
+ voiceurl=httpurl+voiceurl;
+ for(i=0; (i<voiceurl.length()); i++) {
+ if(voiceurl[i]==' '||voiceurl[i]=='\'') {
+ voiceurl[i]='+';
+ }
+ }
+ voiceurl=voiceurl+"!!";
+ printf("%s\n",voiceurl.c_str());
+ if(counter==10) {
+ counter=0;
+ }
+ voiceurl=voiceurl.c_str();
+ char temp[voiceurl.length()];
+
+ for(i=0; (i<=voiceurl.length()); i++) {
+
+ temp[i]=voiceurl[i];
+
+ }
+
+
+ FILE *fp = fopen(ct[counter], "w");
+ if(fp == NULL) {
+ error("Could not open file for write\n");
+ }
+ fprintf(fp, temp);
+ fclose(fp);
+ printf("stored: _____ %s\n\n",temp);
+ printf("Goodbye World!\n");
+ counter++;
+
+ wait(.2);
+ }
+ } while (tsptr!=NULL); // No more "<title>"s in BigBuf to display
+ stream.readNext((byte*)BigBuf, 1024); //Buffer has been read, now we can put more data in it
+ }
+ }
+ lcd2.cls();
+ if (result == HTTP_OK) {
+ lcd2.cls();
+ lcd2.printf(" Read complete\n\r");
+ } else {
+ lcd2. printf(" Error %d\n", result);
+
+ }
+
+free (BigBuf);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fetch.h Wed Mar 06 00:36:15 2013 +0000 @@ -0,0 +1,12 @@ +#include "mbed.h" +#include "VS1002.h" +#include "TextLCD.h" +#include "RPG.h" +#include "EthernetNetIf.h" +#include "HTTPClient.h" +#include "SDFileSystem.h" + +#include <string> +#include <iostream> + +void fetch (); \ No newline at end of file
--- a/main.cpp Tue Oct 12 21:25:35 2010 +0000
+++ b/main.cpp Wed Mar 06 00:36:15 2013 +0000
@@ -2,60 +2,43 @@
#include "mbed.h"
#include "VS1002.h"
#include "TextLCD.h"
-
-TextLCD lcd2(p10, p18, p24, p23, p22, p21, TextLCD::LCD16x2 ); // rs, e, d0-d3
-
-
-/*
-
- Arduino MP3 Shield MP3Player_UI
- 2010/10/10
- This program comes from http://mbed.org/cookbook/VS1002-MP3-Decoder and is the work of xshige.
- (Very small modification done to fit latest libs)
-**more small modifications done to add a small user interface via LCD screen, rotary encoder and dipswitch,
-see http://mbed.org/cookbook/MP3-Player for more information on pinout for these devices, these UI mods by (mpetersen3 and kbuck3)
+#include "RPG.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+#include "SDFileSystem.h"
+#include "fetch.h"
- Pin Assigenment for Arduino MP3 Shield
- (VS1053 employed, issued by sparkfun.com)
-
- MP3 Sheild Side | mbed Side
- ---------------------------------------
- D2(BSYNC)------------17
- D3(DREQ)-------------16
-
- D9(CS)---------------14
-
- D11(MOSI)------------5
- D12(MISO)------------6
- D13(SCK)-------------7
+#include <string>
+#include <iostream>
+#include <sstream>
- GND------------------GND(1)
- 5V-------------------VU(39)
- RESET----------------15
-
- Volume will not used. (pin20 will not used)
-
-*/
-
+HTTPClient http1;
+HTTPResult result1;
+EthernetNetIf eth;
+RPG rpg1(p26,p27,p25);
+TextLCD lcd1(p10,p18,p24,p23,p22,p21,TextLCD::LCD16x2);
+VS1002 mp3(p11,p12,p13,p8,"sd", p5,p6,p7,p14,p15,p16,p17,p20);
+SDFileSystem sd(p11, p12, p13, p8, "sd");
+char *ct[10]= {"/sd/0.txt","/sd/1.txt","/sd/2.txt","/sd/3.txt","/sd/4.txt","/sd/5.txt","/sd/6.txt","/sd/7.txt","/sd/8.txt","/sd/9.txt"};
+char *mp3ct[10]= {"/sd/0.mp3","/sd/1.mp3","/sd/2.mp3","/sd/3.mp3","/sd/4.mp3","/sd/5.mp3","/sd/6.mp3","/sd/7.mp3","/sd/8.mp3","/sd/9.mp3"};
-//PinName mmosi, PinName mmiso, PinName ssck, PinName ccs, const char *name,
-// PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
-// PinName dreq, PinName dcs, PinName vol)
-VS1002 mp3(p11, p12, p13, p8, "sd",
- p5, p6, p7, p14, p15,
- p16, p17, p20); //p14 in BoB non-functional so replace with p18
-AnalogIn rotary(p19);
-DigitalIn pause(p28);
+void download(string voiceurl, int a)
+{
+ HTTPFile f(mp3ct[a]);
+ HTTPResult r = http1.get(voiceurl.c_str(), &f);
+ if(r==HTTP_OK) {
+ printf("download Result OK\n");
+ } else {
+ printf("download Error %d\n", r);
+ }
+ wait(1.5);
+ HTTPFile clear(f);
+ voiceurl.erase();
-int main () {
- // make debug port Fast
- Serial pc(USBTX, USBRX);
- pc.baud(9600);
+}
-
- // pc.baud(115200);
-// pc.baud(230400);
-
+int main ()
+{
/*============================================================
* MP3 Initialising
*==========================================================*/
@@ -67,48 +50,103 @@
mp3.sci_write(0x03, 0x9800);
mp3.sdi_initialise();
#endif
- /*============================================================
- * This is the good part
- *==========================================================*/
- int a=0;
+
+ // make debug port Fast
+ Serial pc(USBTX, USBRX);
+ pc.baud(9600);
+
+ lcd1.cls();
+ lcd1.printf("net setup");
+ EthernetErr ethErr = eth.setup();
+ if (ethErr) {
+ lcd1.printf("\n\r net error");
+
+ }
+ lcd1.printf("\n\r net ok");
+ wait(0.5);
+ lcd1.printf("streaming news");
+ fetch();
+ wait(1);
+ lcd1.cls();
+ int a=1;
printf("%i\n",a);
- while (true) {
-
-
+ int count = 0;
+ int oldcount=0;
+ int dirt = 0;
-
- mp3.play_song(a);
- a++;
- wait(1);
-
- if (pause) {
- while (pause) {
- // shows you which song number you have chosen using the rotary dial
- lcd2.printf("You have chosen the %i song\n",a);
- if ((rotary>0)&&(rotary<=0.1)) {
- a=1;
+ FILE * pFile;
+ long lSize;
+ char * buffer;
+ size_t result;
+
+ while (true) {
+ lcd1.printf(" news %d \n\n",a);
+ dirt = rpg1.dir(); //Get Dir
+ count = count + dirt; //Ad Dir to count
+ if (count>oldcount) {
+ oldcount=count;
+ a++;
+ lcd1.printf(" news %d \n\n",a);
+
+ } else if(count<oldcount) {
+ oldcount=count;
+ a--;
+ lcd1.printf(" news %d \n\n",a);
+ }
+
+ if (rpg1.pb()) {
+
+
+ lcd1.printf("You have chosen the news %d \n",a);
+
- } else if ((rotary>0.1)&&(rotary<=0.2)) {
- a=2;
- } else if ((rotary>0.2)&&(rotary<=0.3)) {
- a=3;
- } else if ((rotary>0.3)&&(rotary<=0.4)) {
- a=4;
- } else if ((rotary>0.4)&&(rotary<=0.5)) {
- a=5;
- } else if ((rotary>0.5)&&(rotary<=0.6)) {
- a=6;
- } else if ((rotary>0.6)&&(rotary<=0.7)) {
- a=7;
- } else if ((rotary>0.7)&&(rotary<=0.8)) {
- a=8;
- } else if ((rotary>0.8)&&(rotary<=0.9)) {
- a=9;
- } else if ((rotary>0.9)&&(rotary<=1.0)) {
- a=10;
- }
+ pFile = fopen ( ct[a], "rb" );
+ if (pFile==NULL) {
+ printf ("File error");
+ exit (1);
+ }
+
+ // obtain file size:
+ fseek (pFile , 0 , SEEK_END);
+ lSize = ftell (pFile);
+ rewind (pFile);
+
+ // allocate memory to contain the whole file:
+ buffer = (char*) malloc (sizeof(char)*lSize);
+ if (buffer == NULL) {
+ printf ("Memory error");
+ exit (2);
+ }
+
+ // copy the file into the buffer:
+ result = fread (buffer,1,lSize,pFile);
+ if (result != lSize) {
+ printf ("Reading error");
+ exit (3);
}
- }
+ string voiceurl=string(buffer);
+
+ /* the whole file is now loaded in the memory buffer. */
+
+ // terminate
+ fclose (pFile);
+ free (buffer);
+ lcd1.printf("You have chosen the news %d \n",a);
+ printf("%s\n",voiceurl.c_str());
+ download( voiceurl,a);
+ voiceurl.erase();
+ wait(1);
+ lcd1.cls();
+ mp3.play_song(a+10);
+
+ wait(1);
+
}
- printf("Done.\r\n");
+ wait(0.2);
+ printf("pb: %i ", rpg1.pb()); //Print out Count
+
+ printf("count:%d dirt:%d\n",count,dirt);
}
+ printf("Done.\r\n");
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/spxml.lib Wed Mar 06 00:36:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/hlipka/code/spxml/#3fa97f2c0505