MP3播放器详细设计方案
源代码在线查看： extsnd1.h
/*H**************************************************************************
* NAME: extsnd1.h
*----------------------------------------------------------------------------
* Copyright (c) 2002 Atmel.
*----------------------------------------------------------------------------
* RELEASE: snd1c-refd-nf-3_0_0
* REVISION: 1.5
*----------------------------------------------------------------------------
* PURPOSE:
* This file is an extension to the regsnd1.h file.
* It defines mask for registers.
*****************************************************************************/
#ifndef _EXTSND1_H_
#define _EXTSND1_H_
/*_____ I N C L U D E S ____________________________________________________*/
/*_____ M A C R O S ________________________________________________________*/
/* INTERNAL RESSOURCES */
#define ERAM_SIZE 0x0800
#define DRAM_SIZE 0x0080
#define IRAM_SIZE 0x0100
#define CODE_SIZE 0x10000
#define BOOT_ADDRESS 0xF000
#define BOOT_SIZE 0x1000
/* INTERRUPT NUMBER */
#define IRQ_INT0 0
#define IRQ_T0 1
#define IRQ_INT1 2
#define IRQ_T1 3
#define IRQ_UART 4
#define IRQ_MP3 5
#define IRQ_AUD 6
#define IRQ_MMC 7
#define IRQ_I2C 8
#define IRQ_SPI 9
#define IRQ_ADC 10
#define IRQ_KBD 11
#define IRQ_USB 13
/* SYSTEM MANAGEMENT */
#define MSK_SMOD1 0x80 /* PCON */
#define MSK_SMOD0 0x40
#define MSK_GF1 0x08
#define MSK_GF0 0x04
#define MSK_PD 0x02
#define MSK_IDL 0x01
#define MSK_EXT16 0x40 /* AUXR */
#define MSK_M0 0x20
#define MSK_DPHDIS 0x10
#define MSK_XRS 0x0C
#define MSK_EXTRAM 0x02
#define MSK_AO 0x01
#define ERAM_256 0x00
#define ERAM_512 0x04
#define ERAM_1024 0x08
#define ERAM_2048 0x0C
#define MSK_ENBOOT 0x20 /* AUXR1 */
#define MSK_GF3 0x08
#define MSK_DPS 0x01
/* PLL & CLOCK */
#define MSK_X2 0x01 /* CKCON */
#define MSK_T0X2 0x02
#define MSK_T1X2 0x04
#define MSK_WDX2 0x40
#define MSK_PLOCK 0x01 /* PLLCON */
#define MSK_PLLEN 0x02
#define MSK_PLLRES 0x08
/* INTERRUPT */
#define MSK_EAUD 0x40 /* IEN0 */
#define MSK_EMP3 0x20
#define MSK_ES 0x10
#define MSK_ET1 0x08
#define MSK_EX1 0x04
#define MSK_ET0 0x02
#define MSK_EX0 0x01
#define MSK_EUSB 0x40 /* IEN1 */
#define MSK_EKB 0x10
#define MSK_EADC 0x08
#define MSK_ESPI 0x04
#define MSK_EI2C 0x02
#define MSK_EMMC 0x01
/* TIMERS */
#define MSK_GATE1 0x80 /* TMOD */
#define MSK_C_T1 0x40
#define MSK_MO1 0x30
#define MSK_GATE0 0x08
#define MSK_C_T0 0x04
#define MSK_MO0 0x03
/* WATCHDOG */
#define MSK_WTO 0x07 /* WDTPRG*/
/* MP3 DECODER */
#define MSK_MPANC 0x80 /* MP3STA */
#define MSK_MPREQ 0x40
#define MSK_ERRLAY 0x20
#define MSK_ERRSYN 0x10
#define MSK_ERRCRC 0x08
#define MSK_MPFS1 0x04
#define MSK_MPFS0 0x02
#define MSK_MPVER 0x01
#define MSK_MPFREQ 0x10 /* MP3STA1 */
#define MSK_MPBREQ 0x08
#define MSK_MPEN 0x80 /* MP3CON */
#define MSK_MPBBST 0x40
#define MSK_CRCEN 0x20
#define MSK_MSKANC 0x10
#define MSK_MSKREQ 0x08
#define MSK_MSKLAY 0x04
#define MSK_MSKSYN 0x02
#define MSK_MSKCRC 0x01
#define MSK_MPFULL 0x08 /* MP3DBG */
/* AUDIO INTERFACE */
#define MSK_JUST 0xF8 /* AUDCON0 */
#define MSK_POL 0x04
#define MSK_DSIZ 0x02
#define MSK_HLR 0x01
#define MSK_SRC 0x80 /* AUDCON1 */
#define MSK_DRQEN 0x40
#define MSK_MSREQ 0x20
#define MSK_MUDRN 0x10
#define MSK_DUP 0x06
#define MSK_AUDEN 0x01
#define MSK_DUP0 0x00 /* 0 duplication */
#define MSK_DUP1 0x02 /* 1 duplication */
#define MSK_DUP2 0x04 /* 3 duplication */
#define MSK_DUP3 0x06 /* 4 duplication */
#define MSK_SREQ 0x80 /* AUDSTA */
#define MSK_UDRN 0x40
#define MSK_AUBUSY 0x20
/* MMC CONTROLLER */
#define MSK_CBUSY 0x20 /* MMSTA */
#define MSK_CRC16S 0x10
#define MSK_DATFS 0x08
#define MSK_CRC7S 0x04
#define MSK_RESPFS 0x02
#define MSK_CFLCK 0x01
#define MSK_DRPTR 0x80 /* MMCON0 */
#define MSK_DTPTR 0x40
#define MSK_CRPTR 0x20
#define MSK_CTPTR 0x10
#define MSK_MBLOCK 0x08
#define MSK_DFMT 0x04
#define MSK_RFMT 0x02
#define MSK_CRCDIS 0x01
#define MSK_BLEN 0xF0 /* MMCON1 */
#define MSK_DATDIR 0x08
#define MSK_DATEN 0x04
#define MSK_RESPEN 0x02
#define MSK_CMDEN 0x01
#define MSK_MMCEN 0x80 /* MMCON2 */
#define MSK_DCR 0x40
#define MSK_CCR 0x20
#define MSK_DATD 0x06
#define MSK_FLOWC 0x01
#define MSK_MCBI 0x80 /* MMINT */
#define MSK_EORI 0x40
#define MSK_EOCI 0x20
#define MSK_EOFI 0x10
#define MSK_F2FI 0x08
#define MSK_F1FI 0x04
#define MSK_F2EI 0x02
#define MSK_F1EI 0x01
#define MSK_MCBM 0x80 /* MMMSK */
#define MSK_EORM 0x40
#define MSK_EOCM 0x20
#define MSK_EOFM 0x10
#define MSK_F2FM 0x08
#define MSK_F1FM 0x04
#define MSK_F2EM 0x02
#define MSK_F1EM 0x01
/* SPI CONTROLLER */
#define MSK_SPR 0x83 /* SPCON */
#define MSK_SPEN 0x40
#define MSK_SSDIS 0x20
#define MSK_MSTR 0x10
#define MSK_MODE 0x0C
#define MSK_CPOL 0x08
#define MSK_CPHA 0x04
#define MSK_SPIF 0x80 /* SPSTA */
#define MSK_WCOL 0x40
#define MSK_MODF 0x10
/* I2C CONTROLLER */
#define MSK_SSCR 0x83 /* SSCON */
#define MSK_SSPE 0x40
#define MSK_SSSTA 0x20
#define MSK_SSSTO 0x10
#define MSK_SSSI 0x08
#define MSK_SSAA 0x04
/* KEYBOARD */
#define MSK_KINL 0xF0 /* KBCON */
#define MSK_KINM 0x0F
#define MSK_KPDE 0x80 /* KBSTA */
#define MSK_KINF 0x0F
/* ADC CONVERTER */
#define MSK_ADIDL 0x40 /* ADCON */
#define MSK_ADEN 0x20
#define MSK_ADEOC 0x10
#define MSK_ADSST 0x08
#define MSK_ADCS 0x01
#define MSK_ADATL 0x03 /* ADDL */
#define F_CONV_MAX 700 /* 700 KHz max frequency */
/* USB */
#define MSK_TXCMPL 0x01 /* UEPSTAX */
#define MSK_RXOUTB0 0x02
#define MSK_RXOUT 0x02
#define MSK_RXSETUP 0x04
#define MSK_STALLED 0x08
#define MSK_TXRDY 0x10
#define MSK_STALLRQ 0x20
#define MSK_RXOUTB1 0x40
#define MSK_DIR 0x80
#define MSK_RXOUTB0B1 0x42 /* Ping-Pong abilities */
#define MSK_SPINT 0x01 /* USBINT */
#define MSK_SOFINT 0x08
#define MSK_EORINT 0x10
#define MSK_WUPCPU 0x20
#define MSK_SUSPCLK 0x40
//ADDED
#define MSK_ESPINT 0x01
#define MSK_EEORINT 0x10
#define MSK_EWUPCPU 0x20
#define MSK_USBE 0x80 /* USBCON */
#define MSK_CONFG 0x02
#define MSK_FADDEN 0x01
#define MSK_UPRSM 0x08
#define MSK_SDRMWUP 0x20
#define MSK_RMWUPE 0x04
#endif /* _EXTSND1_H_ */
