For RK2606 MP4 source code 



The audio on the opinions you see ~ 


/ * 
************************************************** SUMMARY 
* Copyright (C) 2004-2005-2005, tonyzyz, Fuzhou Rockchip Co, Ltd. 
* All Rights Reserved 
* V1.00 
* FileName: Main.c 
* Author: tonyzyz 
Description: 
* History: 
* <author> <time> <version> <desc> 
* Tonyzyz 05/12/12 1.0 ORG 
* 
************************************************** SUMMARY 
* / 
# Define _IN_AUDIO 

# Include <creg.h> 
# Include "Macro.h" 
# Include "Memap.h" 
# Include "Global.h" 

Void OutputVolumeSet (unsigned int bVol); 
/*------------------------------------------------ ------------------------------ 
Function: Rock2 Mp3 Timer0 Isr 
Input: 
Output: 
-------------------------------------------------- ----------------------------*/ 
Void CodecIicInit (void) 
( 
Write_mem (GPIO_PCON1, read_mem (GPIO_PCON1) & 0xffC3); / / p1.1 p1.2 input 
AVI_ MP3 _DECODE_DISABLE; 
Write_mem (IC_ENABLE, 0x0000); / / IIC Transfer Disable 
Write_mem (IC_CON, 0x0065); / / Master Mode, 7Bit Address, Fast Mode 
Write_mem (IC_FS_HCNT, 0x0020); / / IIC Wave Hight Level Width 
Write_mem (IC_FS_LCNT, 0x0044); / / IIC Wave Low Level Width 
Write_mem (IC_TAR, 0x0055); / / Codec IIC Address 
Write_mem (I2C_EXT, 0x0000); / / To Internal Codec 
Write_mem (IC_ENABLE, 0x0001); / / IIC Transfer Enable 
AVI_MP3_DECODE_ENABLE; 
    
Delay_nops (1600); 
) 
/*------------------------------------------------ ------------------------------ 
Function: Rock2 Mp3 Timer0 Isr 
Input: 
Output: 
-------------------------------------------------- ----------------------------*/ 
Void CodecCommandSet (unsigned int uCmd, unsigned int uData) 
( 
Unsigned int i, temp; 
Write_mem (GPIO_PCON1, read_mem (GPIO_PCON1) & 0xffC3); / / p1.1 p1.2 input 
    
AVI_MP3_DECODE_DISABLE; 
Write_mem (IC_DATA_CMD, uCmd); 
Write_mem (IC_DATA_CMD, uData); 
AVI_MP3_DECODE_ENABLE; 
    
Delay_nops (8000); 
//---------------------------------