⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 i2s.h

📁 优龙YLP270开发板 光盘自带的BIOS和实验例程源码 强烈推荐
💻 H
字号:
/******************************************************************************
**
**  COPYRIGHT (C) 2001, 2002 Intel Corporation.
**
**  This software as well as the software described in it is furnished under
**  license and may only be used or copied in accordance with the terms of the
**  license. The information in this file is furnished for informational use
**  only, is subject to change without notice, and should not be construed as
**  a commitment by Intel Corporation. Intel Corporation assumes no
**  responsibility or liability for any errors or inaccuracies that may appear
**  in this document or any software that may be provided in association with
**  this document. 
**  Except as permitted by such license, no part of this document may be 
**  reproduced, stored in a retrieval system, or transmitted in any form or by
**  any means without the express written consent of Intel Corporation. 
**
**  FILENAME:       xllp_i2s.h
**
**  PURPOSE: contains all I2S specific macros, typedefs, and prototypes.
**           Declares no storage.
**                  
**
******************************************************************************/
#include "systypes.h"
#include "timedelays.h"
#include "xllp_defs.h"
#include "i2c.h"
#include "xllp_bcr.h"
#include "xllp_gpio.h"
#include "xllp_clkmgr.h"

#ifndef __I2S_H__
#define __I2S_H__

#define I2S_BASE	0x40400000	// I2S Base Register Location
#define GPIO_ADDR 	0x40E00000
#define CLKMGR_ADDR 0x41300000
#define BCR_ADDR 	0x08000000

  
XLLP_UINT32_T I2S_CodecSetup(void);
XLLP_UINT32_T I2S_DACSetup(void);
XLLP_UINT32_T I2S_ADCSetup(void);
XLLP_UINT32_T I2S_Test(void);


#define ERR_S_GPIO28           0x001
#define ERR_S_GPIO29           0x002
#define ERR_S_GPIO30           0x003
#define ERR_S_GPIO31           0x004
#define ERR_S_GPIO32           0x005

#define ERR_TS_I2S_INIT		   0x010
#define ERR_S_SET_ALTFUNC1     0x020
#define ERR_S_SET_ALTFUNC2     0x040
#define ERR_S_SET_DIR          0x080

#define ERR_S_I2SCLOCK		   0x90
#define ERR_S_I2SAMP		   0xA0
#define ERR_S_I2SSETUPBAD		   0xB0
#define ERR_S_TRANSFIFONEVEREMPTY		   0xC0

#define ERR_TS_AUDIO               0x80
#define ERR_TS_SETUP        	   0x81   // codec was not set up 
#define ERR_TS_ADC        		   0x82   // couldn't set up the ADC correctly
#define ERR_TS_DAC                 0x83   // couldn't set up the DAC correctly
#define ERR_TS_I2C_INIT            0x84
#define ERR_TS_I2C_CODWRITE        0x85
#define ERR_TS_I2C_DACWRITE        0x86
#define ERR_TS_I2C_ADCWRITE        0x87
#define ERR_TS_HWSETUP        	   0x88  // couldn't set up the ADC correctly
#define ERR_TS_CODECSETUP          0x89   // couldn't set up the DAC correctly

#define PWRDWN	                   0x1 
#define RESET	                   0x2 
#define SAMPCONTROL	               0x3 
#define LEFTLINEIN	               0x4 
#define RIGHTLINEIN	               0x5 
#define AAPATHCONTROL	           0x6 
#define DAPATHCONTROL	           0x7 
#define DAINTERFACEFORMAT          0x8 
#define POWERDOWNCONTROL           0x9 
#define ACTIVECONTROLON	           0xA 
#define ACTIVECONTROLOFF	       0xB 

#define I2SBUF					   48000

#endif	 //__I2S_H__

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -