int main(){
#ifndef TESTING
#include "uart.h"
#include "mmc.h"
// Initializam modulele hardware
uart_init();
SPI_init();
MMC_init();
BTN_init();
LCD_init();
#endif
/* Gaseste prima partitie FAT32 de pe card*/
init_partition(buffer);
/**
* Gaseste datele despre sistemul de fisiere :
* nr de tabele FAT, cluster-ul directorului Root, etc.
*/
initFAT32(buffer);
print_volid(buffer);
LCD_str( " ", 0);
LCD_str( " ", 0);
LCD_str( " Welcome to", 0);
LCD_str( " MMC Explorer", 0);
_delay_ms(2500);
LCD_clear();
printdirs(openroot());
return EXIT_SUCCESS;
}
int main (void)
{
boot_up(); //Initialize USB port pins and set up the UART
rprintf("Boot up complete\n");
if(IOPIN0 & (1<<23)) //Check to see if the USB cable is plugged in
{
main_msc(); //If so, run the USB device driver.
}
else{
rprintf("No USB Detected\n");
}
//Init SD
if(sd_raw_init()) //Initialize the SD card
{
openroot(); //Open the root directory on the SD card
rprintf("Root open\n");
if(root_file_exists(FW_FILE)) //Check to see if the firmware file is residing in the root directory
{
rprintf("New firmware found\n");
load_fw(FW_FILE); //If we found the firmware file, then program it's contents into memory.
rprintf("New firmware loaded\n");
}
}
else{
//Didn't find a card to initialize
rprintf("No SD Card Detected\n");
delay_ms(250);
}
rprintf("Boot Done. Calling firmware...\n");
call_firmware(); //Run the new code!
while(1);
}
// intialization functions
void bootARM(void) {
// had to steal some code from the original SparkFun code because I don't
// understand it yet.
rprintf_devopen(putc_serial0); // Init rprintf
delay_ms(30); // wait for power to stabilize
// bring up SD / FAT *
if (! (sd_raw_init()) ) { rprintf("SD init error!\n"); }
if ( openroot() ) { rprintf("openroot error!\n"); }
// set up I/O pins *
//Setup the MP3 I/O Lines
IODIR0 |= MP3_XCS;
IODIR0 &= ~MP3_DREQ;
PINSEL1 |= 0x00000C00; // Set the MP3_DREQ Pin to be a capture pin
IODIR1 |= MP3_XDCS | MP3_GPIO0 | MP3_XRES;
//Setupt the FM Trans. Lines
IODIR1 |= FM_LA; // FM trans outputs (Leave SPI pins
IODIR1 |= FM_CS; // unconfigured for now)
//Setup the SD Card I/O Lines
IODIR0 |= SD_CS; // SD card outputs
//Setup the Accelerometer I/O Lines
IODIR0 |= (GS1 | GS2); // accelerometer outputs
// ensure ADC pins have ADC Functions selected
PINSEL0 |= (MMA_X_PINSEL | MMA_Y_PINSEL | MMA_Z_PINSEL);
IOCLR0 = (GS1 | GS2); // initialize acceleration to 1.5 G mode
//Setup the LCD I/O Lines
IODIR0 |= (LCD_RES | LCD_CS); // LCD Outputs
//Setup the LED Lines
IODIR0 |= (LED_BLU | LED_RED | LED_GRN);
ledBlueOff();
ledRedOff();
ledGrnOff();
//Setup the Buttons
IODIR1 &= (~SW_UP & ~SW_DWN & ~SW_MID); //Button Inputs
IODIR0 &= ~(1<<23); //Set the Vbus line as an input
//Setupt the Interrupts
VPBDIV = 1; // Set PCLK equal to the system clock
VICIntSelect = ~0x30; // Timer 0 AND TIMER 1 interrupt is an IRQ interrupt
VICIntEnable = 0x10; // Enable Timer 0 interrupts
// (don't start sending song data with Timer 1)
VICVectCntl0= 0x25; // Use slot 0 for timer 1 interrupt
VICVectAddr0 = (unsigned int)timer1ISR; // Set the address of ISR for slot 1
VICVectCntl1 = 0x24; // Use slot 1 for timer 0 interrupt
VICVectAddr1 = (unsigned int)timer0ISR; // Set the address of ISR for slot 1
//Configure Timer0
T0PR = 1500; // divide clock(60MHz) by 1500 for 40kHz PS
T0TCR |=0X01; // enable the clock
T0CTCR=0; // timer node
T0MCR=0x0003; // interrupt and reset timer on match
T0MR0=1000; // interrupt on 40Hz
//Configure Timer1
T1PR = 200; // divide clock by 300 for 40kHz PS
T1TCR |=0X01; // enable the clock
T1CTCR=0; // timer mode
T1CCR=0x0A00; // capture and interrupt on the
// rising edge of DREQ
//Setup the SPI Port
S0SPCCR = 64; // SCK = 1 MHz, counter > 8 and even
S0SPCR = 0x20; // Master, no interrupt enable, 8 bits
// set up MP3 decoder
vs1002Config(); // set up ARM <-> VS1002 communication
vs1002Reset(); // hardware reset
vs1002Init(); // initialization
return;
}
/*---------------------------------------------------------------------------
* T_DIR_INFO *osd_opendir( const char *filename )
*---------------------------------------------------------------------------*/
T_DIR_INFO *osd_opendir( const char *filename )
{
char *p;
short i;
OSErr err;
short vRefNum;
int num;
long dirID;
T_DIR_INFO *dir;
Str63 temp;
CInfoPBRec pbr;
/* : なら、ルート(トップレベル) とみなす */
if (strcmp(filename, ":")==0) {
return openroot();
}
/* filenameが無いときも、ルート(トップレベル) とみなす */
if( filename==NULL || filename[0]=='\0' ) return openroot();
/* T_DIR_INFO ワークを 1個確保 */
if( (dir = (T_DIR_INFO *)malloc( sizeof(T_DIR_INFO) ))==NULL ){
return NULL;
}
err = PathToSpec(filename, &vRefNum, &dirID, NULL);
if (noErr != err) {
free( dir );
return NULL;
}
/* 項目の数を取得する */
dir->nr_entry = 2; /* 最低でも2エントリ (TOPとparent) */
i = 1;
pbr.hFileInfo.ioNamePtr = temp;
pbr.hFileInfo.ioVRefNum = vRefNum;
do {
pbr.hFileInfo.ioFDirIndex = i;
pbr.hFileInfo.ioDirID = dirID;
pbr.hFileInfo.ioACUser = 0;
err = PBGetCatInfoSync(&pbr);
if (err == noErr && !(pbr.hFileInfo.ioFlFndrInfo.fdFlags & 0x4000)) {
dir->nr_entry += 1;
}
i++;
} while (err == noErr);
/* T_DIR_ENTRY ワークを 項目数分 確保 */
dir->entry = (T_DIR_ENTRY *)malloc( dir->nr_entry * sizeof(T_DIR_ENTRY) );
if( dir->entry==NULL ){
free( dir );
return NULL;
}
for( i=0; i<dir->nr_entry; i++ ) {
dir->entry[ i ].name = NULL;
/*dir->entry[ i ].str = NULL;*/
}
dir->cur_entry = 0;
/* 先頭に <TOP> と <parent> を追加 */
#define TOP_NAME ":"
#define TOP_STR "<< TOP >>"
#define PAR_NAME "::"
#define PAR_STR "<< parent >>"
num = 0;
{
p = (char *)malloc( sizeof(TOP_NAME) + sizeof(TOP_STR) );
if( p==NULL ){ /* ↑ファイル名 ↑表示名 */
dir->nr_entry = num;
return dir;
}
dir->entry[ num ].name = &p[0];
dir->entry[ num ].str = &p[sizeof(TOP_NAME)];
strcpy(dir->entry[ num ].name, TOP_NAME);
strcpy(dir->entry[ num ].str, TOP_STR );
dir->entry[ num ].type = FILE_STAT_DIR;
}
num = 1;
{
p = (char *)malloc( sizeof(PAR_NAME) + sizeof(PAR_STR) );
if( p==NULL ){ /* ↑ファイル名 ↑表示名 */
dir->nr_entry = num;
return dir;
}
dir->entry[ num ].name = &p[0];
dir->entry[ num ].str = &p[sizeof(PAR_NAME)];
strcpy(dir->entry[ num ].name, PAR_NAME );
strcpy(dir->entry[ num ].str, PAR_STR );
dir->entry[ num ].type = FILE_STAT_DIR;
}
/* フォルダ内の項目を追加 */
i = 1;
num = 2;
pbr.hFileInfo.ioNamePtr = temp;
pbr.hFileInfo.ioVRefNum = vRefNum;
do {
pbr.hFileInfo.ioFDirIndex = i;
pbr.hFileInfo.ioDirID = dirID;
pbr.hFileInfo.ioACUser = 0;
err = PBGetCatInfo(&pbr, 0);
if (err == noErr && /* ↓ 不可視属性のファイルは除く */
!(pbr.hFileInfo.ioFlFndrInfo.fdFlags & 0x4000)) {
temp[temp[0] + 1] = 0;
p = (char *)malloc( (temp[0] + 1) + (temp[0] + 3) );
if( p==NULL ){ /* ↑ファイル名 ↑表示名 */
dir->nr_entry = num;
break;
}
dir->entry[ num ].name = &p[0];
dir->entry[ num ].str = &p[(temp[0] + 1)];
if (pbr.hFileInfo.ioFlAttrib & 16) {
sprintf(dir->entry[ num ].name, "%s", temp + 1);
sprintf(dir->entry[ num ].str, "[%s]", temp + 1);
dir->entry[ num ].type = FILE_STAT_DIR;
} else {
sprintf(dir->entry[ num ].name, "%s", temp + 1);
sprintf(dir->entry[ num ].str, "%s", temp + 1);
dir->entry[ num ].type = FILE_STAT_FILE;
}
num++;
}
i++;
} while (err == noErr && num < dir->nr_entry);
dir->nr_entry = num;
return dir;
}