variable.c

基于uCOS/II制作的MP3

/*C**************************************************************************
* NAME:         variable.c
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3      
* REVISION:     1.11     
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the definition of the global variables
*****************************************************************************/
 
/*_____ I N C L U D E S ____________________________________________________*/

#include "config.h"                         /* system definition */


/*_____ M A C R O S ________________________________________________________*/


/*_____ D E F I N I T I O N ________________________________________________*/

//bdata   bit     gl_key_repeat;          /* set to TRUE if a key is repeated */
bdata   bit     gl_key_press;           /* set to TRUE if a key is decoded */
idata   Byte    gl_key;                 /* value of the key pressed */

pdata   Byte    gl_buffer[GL_BUF_SIZE];
data    Byte    gl_pointer;

idata Byte system_mode;
idata Byte play_pause;
idata Byte bass_nobass;

/*variables for HDD I/O function */
bdata bit     gl_hdd_buffer_flag;
xdata Byte    gl_hdd_buffer[512]; 
xdata uchar   gl_hdd_buffer_ptr; //hdd_buffer[]的序列号

/* variables for SBC libraries */
bit     gl_sbc_wr_protect;              /* mass storage write protected */
bit     gl_sbc_wr_busy;                 /* mass storage write in progress */
bit     gl_sbc_rd_busy;                 /* mass storage read in progress */

/* const for SBC libraries */
code    Byte    gl_sbc_vendor_id[8] = SBC_VENDOR_ID;
code    Byte    gl_sbc_product_id[16] = SBC_PRODUCT_ID;
code    Byte    gl_sbc_revision_id[4] = SBC_REVISION_ID;

/* Disk management  */
bit     reserved_disk_space = FALSE;    /* reserved space for application on disk */

bdata   bit     disconnected;

/*_____ D E C L A R A T I O N ______________________________________________*/