TI中文支持网我用的板子是TMS320VC5509A,我想用它来采集声音信号，在官方提供的第27个例子中，连接电脑能听到电脑播放的音乐，如果我想在输入口接个麦克风采集声音信号，该怎么处理呢？直接用这个程序能不能实现，我用的是虚拟机XP系统，我现在直接用程序的话，感觉麦克风不起作用，运行后有噪音，这个是什么问题我该怎么解决？
程序如下：#include <csl.h>
#include <csl_i2c.h>
#include <stdio.h>
#include <csl_pll.h>
#include <csl_mcbsp.h>
#define CODEC_ADDR 0x1A
/*锁相环的设置*/
PLL_Config myConfig = {
0, //IAI: the PLL locks using the same process that was underway //before the idle mode was entered
1, //IOB: If the PLL indicates a break in the phase lock, //it switches to its bypass mode and restarts the PLL phase-locking //sequence
12, //PLL multiply value; multiply 24 times
1 //Divide by 2 PLL divide value; it can be either PLL divide value //(when PLL is enabled), or Bypass-mode divide value
//(PLL in bypass mode, if PLL multiply value is set to 1)
};
MCBSP_Config Mcbsptest;
/*设置McBSP,使用McBSP1来发送和接收来自DSP 和 AIC23的数据*/
/*McBSP set,we use mcbsp1 to send and recieve the data between DSP and AIC23*/
MCBSP_Config Mcbsp1Config = {
MCBSP_SPCR1_RMK(
MCBSP_SPCR1_DLB_OFF, /* DLB = 0,禁止数字回环方式 */
MCBSP_SPCR1_RJUST_LZF, /* RJUST = 2 接收数据符号扩展和调节方式*/
MCBSP_SPCR1_CLKSTP_DISABLE, /* CLKSTP = 0 */
MCBSP_SPCR1_DXENA_ON, /* DXENA = 1 DX引脚延时使能打开*/
0, /* ABIS = 0 */
MCBSP_SPCR1_RINTM_RRDY, /* RINTM = 0 接收中断模式*/
0, /* RSYNCER = 0 接收帧同步错误标志*/
MCBSP_SPCR1_RRST_DISABLE /* RRST = 0 禁止接收器复位*/
),
MCBSP_SPCR2_RMK(
MCBSP_SPCR2_FREE_NO, /* FREE = 0 */
MCBSP_SPCR2_SOFT_NO, /* SOFT = 0 */
MCBSP_SPCR2_FRST_FSG, /* FRST = 0 帧同步逻辑复位 */
MCBSP_SPCR2_GRST_CLKG, /* GRST = 0 采样率发生器复位 */
MCBSP_SPCR2_XINTM_XRDY, /* XINTM = 0 发送中断模式*/
0, /* XSYNCER = N/A */
MCBSP_SPCR2_XRST_DISABLE /* XRST = 0 发送器复位*/
),
/*单数据相，接受数据长度为16位,每相2个数据*/
MCBSP_RCR1_RMK( MCBSP_RCR1_RFRLEN1_OF(1), /* RFRLEN1 = 1 接收阶段1的帧长为1个字 */
MCBSP_RCR1_RWDLEN1_16BIT /* RWDLEN1 = 2 接收阶段1的字长为16位 */
),
MCBSP_RCR2_RMK( MCBSP_RCR2_RPHASE_SINGLE, /* RPHASE = 0 接收帧的阶段数*/
MCBSP_RCR2_RFRLEN2_OF(0), /* RFRLEN2 = 0 接收阶段2关闭*/
MCBSP_RCR2_RWDLEN2_8BIT, /* RWDLEN2 = 0 接收阶段2的字长为8位*/
MCBSP_RCR2_RCOMPAND_MSB, /* RCOMPAND = 0 接收数据压扩模式*/
MCBSP_RCR2_RFIG_YES, /* RFIG = 0 忽略不期望接收的帧同步信号 */
MCBSP_RCR2_RDATDLY_1BIT /* RDATDLY = 1 接收数据延时*/
),
MCBSP_XCR1_RMK( MCBSP_XCR1_XFRLEN1_OF(1), /* XFRLEN1 = 1 发送阶段1的帧长(一个）*/ MCBSP_XCR1_XWDLEN1_16BIT /* XWDLEN1 = 2 发送阶段1的字长16位*/
),
MCBSP_XCR2_RMK(
MCBSP_XCR2_XPHASE_SINGLE, /* XPHASE = 0 */
MCBSP_XCR2_XFRLEN2_OF(0), /* XFRLEN2 = 0 */
MCBSP_XCR2_XWDLEN2_8BIT, /* XWDLEN2 = 0 */
MCBSP_XCR2_XCOMPAND_MSB, /* XCOMPAND = 0 */
MCBSP_XCR2_XFIG_YES, /* XFIG = 0 */
MCBSP_XCR2_XDATDLY_1BIT /* XDATDLY = 1 发送数据延时*/
),
MCBSP_SRGR1_DEFAULT,
MCBSP_SRGR2_DEFAULT,
MCBSP_MCR1_DEFAULT,
MCBSP_MCR2_DEFAULT,MCBSP_PCR_RMK(
MCBSP_PCR_IDLEEN_RESET, /* IDLEEN = 0 */
MCBSP_PCR_XIOEN_SP, /* XIOEN = 0 */
MCBSP_PCR_RIOEN_SP, /* RIOEN = 0 */
MCBSP_PCR_FSXM_EXTERNAL, /* FSXM = 0 */
MCBSP_PCR_FSRM_EXTERNAL, /* FSRM = 0 */
0, /* DXSTAT = N/A */
MCBSP_PCR_CLKXM_INPUT, /* CLKXM = 0 */
MCBSP_PCR_CLKRM_INPUT, /* CLKRM = 0 */
MCBSP_PCR_SCLKME_NO, /* SCLKME = 0 */
MCBSP_PCR_FSXP_ACTIVEHIGH, /* FSXP = 0 */
MCBSP_PCR_FSRP_ACTIVEHIGH, /* FSRP = 1 */
MCBSP_PCR_CLKXP_FALLING, /* CLKXP = 1 */
MCBSP_PCR_CLKRP_RISING /* CLKRP = 1 */
),
MCBSP_RCERA_DEFAULT,MCBSP_RCERB_DEFAULT,MCBSP_RCERC_DEFAULT,MCBSP_RCERD_DEFAULT,MCBSP_RCERE_DEFAULT,MCBSP_RCERF_DEFAULT,MCBSP_RCERG_DEFAULT,MCBSP_RCERH_DEFAULT,MCBSP_XCERA_DEFAULT,
MCBSP_XCERB_DEFAULT,
MCBSP_XCERC_DEFAULT,
MCBSP_XCERD_DEFAULT,
MCBSP_XCERE_DEFAULT,
MCBSP_XCERF_DEFAULT,
MCBSP_XCERG_DEFAULT,
MCBSP_XCERH_DEFAULT
};
/*创建和初始化I2C模块*/
/* This next struct shows how to use the I2C API */
/* Create and initialize an I2C initialization structure */
I2C_Setup I2Cinit = {
0, /* 7 bit address mode */
0, /* own address – don't care if master */
84, /* clkout value (Mhz) */
50, /* a number between 10 and 400*/
0, /* number of bits/byte to be received or transmitted (8)*/
0, /* DLB mode on*/
1 /* FREE mode of operation on*/
};
I2C_Config testI2C;
/*数字音频接口格式设置
AIC23为主模式，数据为DSP模式，数据长度16位*/
Uint16 digital_audio_inteface_format[2]={0x0e,0x53};
/*AIC23的波特率设置，采样率为44.1K*/
Uint16 sample_rate_control[2] = {0x10,0x23};
/*AIC23寄存器复位*/
Uint16 reset[2] ={0x1e,0x00};
/*AIC23节电方式设置，所有部分均所与工作状态*/
Uint16 power_down_control[2] ={0x0c,0x03};
/*AIC23模拟音频的控制
DAC使能，ADC输入选择为Line*/
Uint16 analog_aduio_path_control[2] ={0x08,0x10};
/*AIC23数字音频通路的控制*/
Uint16 digital_audio_path_control[2] ={0x0a,0x05};
/*AIC23数字接口的使能*/
Uint16 digital_interface_activation[2] ={0x12,0x01};
/*AIC23左通路音频调节*/
Uint16 left_line_input_volume_control[2] ={0x00,0x17};
/*AIC23右通路音频调节*/
Uint16 right_line_input_volume_control[2] ={0x02,0x17};
/*AIC23耳机左通路音频调节*/
Uint16 left_headphone_volume_control[2] ={0x05,0xFF};
/*AIC23耳机右通路音频调节*/
Uint16 right_headphone_volume_control[2] = {0x07,0xFF};
/*定义McBSP的句柄*/
MCBSP_Handle hMcbsp;
Uint16 i2c_status;
Uint16 i,temp;
void delay(Uint32 k)
{
while(k–);
}
void main(void)
{
Uint16 aic23data = 0;
i2c_status = 1;
/* Initialize CSL library – This is REQUIRED !!! */
/*初始化CSL库*/
CSL_init();
/*设系统的运行速度为140MHz*/
PLL_config(&myConfig);
/* Initialize I2C, using parameters in init structure */
/*初始化I2C的格式*/
// I2C_config(&Config);
// I2C_start();
// I2C_getConfig(&Config1);
/*I2C is undet reset*/
I2C_RSET(I2CMDR,0);
/*设置预分频寄存器,I2C的mode clock is 10MHz*/
delay(100);
I2C_RSET(I2CSAR,0x001A);
I2C_RSET(I2CMDR,0x0620);
I2C_setup(&I2Cinit);
/*设置Ｉ２Ｃ的Mater clock*/
I2C_RSET(I2CCLKL,100);
I2C_RSET(I2CCLKH,100);
I2C_getConfig(&testI2C);
/*初始化McBSP0*/
hMcbsp = MCBSP_open(MCBSP_PORT1,MCBSP_OPEN_RESET);
/*设置McBSP0*/
MCBSP_config(hMcbsp,&Mcbsp1Config);
/*启动McBSP0*/
MCBSP_start(hMcbsp, MCBSP_RCV_START | MCBSP_XMIT_START, 0);
MCBSP_getConfig(hMcbsp,&Mcbsptest);
/*reset AIC23*/
i2c_status = I2C_write( reset, //pointer to data array 指向发送数据的数组
2, //length of data to be transmitted 发送数据的长度16位
1, //master or slaver 主模式
CODEC_ADDR, //slave address to transmit to 从地址发送
1, //transfer mode of operation 传输模式
30000 //time out for bus busy 延时
); delay(1000);
/*设置AIC23各部分均工作*/
i2c_status = I2C_write( power_down_control,//pointer to data array 省电控制
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
/*设置AIC23的数字接口*/
i2c_status = I2C_write( digital_audio_inteface_format,//pointer to data array 数字音频格式
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
/*设置AIC23模拟通路*/
/* i2c_status = I2C_write( analog_aduio_path_control,//pointer to data array 模拟音频格式
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);*/
/*设置数字通路*/
i2c_status = I2C_write( digital_audio_path_control,//pointer to data array 数字音频通路控制
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
); /*设置AIC23的采样率*/
i2c_status = I2C_write( sample_rate_control,//pointer to data array 采样速率
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
/*设置耳机音量*/
i2c_status = I2C_write( left_headphone_volume_control,//pointer to data array 耳机左声道音量调节
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
i2c_status = I2C_write( right_headphone_volume_control,//pointer to data array 耳机右声道音量调节
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
/*设置Line输入的音量*/
i2c_status = I2C_write( left_line_input_volume_control,//pointer to data array 左声道音量调节
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
i2c_status = I2C_write( right_line_input_volume_control,//pointer to data array 右声道音量调节
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
/*启动AIC23*/
i2c_status = I2C_write( digital_interface_activation,//pointer to data array 数字接口激活
2, //length of data to be transmitted
1, //master or slaver
CODEC_ADDR, //slave address to transmit to
1, //transfer mode of operation
30000 //time out for bus busy
);
/*回放音频*/
while(TRUE)
{
while(!MCBSP_rrdy(hMcbsp)){};
aic23data = MCBSP_read16(hMcbsp);
MCBSP_write16(hMcbsp,aic23data); }
}
还有就是，我要先看声音信号的图，那么我的开始地址应该设为哪个参数呢？这个程序的输入数据在什么地方体现？
user151383853：
LINE 和 MIC 是不同的通道, 软件控制中更换输入通道应该就能完成.
Jiantao Liu：
回复 user151383853:
具体在程序里面怎么改呢
user4715584：
回复 Jiantao Liu:
改成这句就是了，就是选择麦克风输入
/*AIC23模拟音频的控制，ADC输入选择为MIC*/Uint16 analog_aduio_path_control[2] ={0x08,0x14};
JINGWEI WANG3：
回复 user4715584:
程序进行MIC设置，但是还是没有反应，请问程序还需要修改什么呀？？？修改的地方用标记出来了。。
#include <csl.h>#include <csl_i2c.h>#include <stdio.h>#include <csl_pll.h>#include <csl_mcbsp.h>
#define CODEC_ADDR 0x1A
/*锁相环的设置*/PLL_Config myConfig = { 0, //IAI: the PLL locks using the same process that was underway //before the idle mode was entered 1, //IOB: If the PLL indicates a break in the phase lock, //it switches to its bypass mode and restarts the PLL phase-locking //sequence 12, //PLL multiply value; multiply 24 times 1 //Divide by 2 PLL divide value; it can be either PLL divide value //(when PLL is enabled), or Bypass-mode divide value //(PLL in bypass mode, if PLL multiply value is set to 1)};
MCBSP_Config Mcbsptest;
/*McBSP set,we use mcbsp1 to send and recieve the data between DSP and AIC23*/MCBSP_Config Mcbsp1Config = { MCBSP_SPCR1_RMK( MCBSP_SPCR1_DLB_OFF, /* DLB = 0,禁止自闭环方式 */ MCBSP_SPCR1_RJUST_LZF, /* RJUST = 2 */ MCBSP_SPCR1_CLKSTP_DISABLE, /* CLKSTP = 0 */ MCBSP_SPCR1_DXENA_ON, /* DXENA = 1 */ 0, /* ABIS = 0 */ MCBSP_SPCR1_RINTM_RRDY, /* RINTM = 0 */ 0, /* RSYNCER = 0 */ MCBSP_SPCR1_RRST_DISABLE /* RRST = 0 */ ), MCBSP_SPCR2_RMK( MCBSP_SPCR2_FREE_NO, /* FREE = 0 */ MCBSP_SPCR2_SOFT_NO, /* SOFT = 0 */ MCBSP_SPCR2_FRST_FSG, /* FRST = 0 */ MCBSP_SPCR2_GRST_CLKG, /* GRST = 0 */ MCBSP_SPCR2_XINTM_XRDY, /* XINTM = 0 */ 0, /* XSYNCER = N/A */ MCBSP_SPCR2_XRST_DISABLE /* XRST = 0 */ ), /*单数据相，接受数据长度为16位,每相2个数据*/ MCBSP_RCR1_RMK( MCBSP_RCR1_RFRLEN1_OF(1), /* RFRLEN1 = 1 */ MCBSP_RCR1_RWDLEN1_16BIT /* RWDLEN1 = 2 */ ), MCBSP_RCR2_RMK( MCBSP_RCR2_RPHASE_SINGLE, /* RPHASE = 0 */ MCBSP_RCR2_RFRLEN2_OF(0), /* RFRLEN2 = 0 */ MCBSP_RCR2_RWDLEN2_8BIT, /* RWDLEN2 = 0 */ MCBSP_RCR2_RCOMPAND_MSB, /* RCOMPAND = 0 */ MCBSP_RCR2_RFIG_YES, /* RFIG = 0 */ MCBSP_RCR2_RDATDLY_1BIT /* RDATDLY = 1 */ ), MCBSP_XCR1_RMK( MCBSP_XCR1_XFRLEN1_OF(1), /* XFRLEN1 = 1 */ MCBSP_XCR1_XWDLEN1_16BIT /* XWDLEN1 = 2 */ ), MCBSP_XCR2_RMK( MCBSP_XCR2_XPHASE_SINGLE, /* XPHASE = 0 */ MCBSP_XCR2_XFRLEN2_OF(0), /* XFRLEN2 = 0 */ MCBSP_XCR2_XWDLEN2_8BIT, /* XWDLEN2 = 0 */ MCBSP_XCR2_XCOMPAND_MSB, /* XCOMPAND = 0 */ MCBSP_XCR2_XFIG_YES, /* XFIG = 0 */ MCBSP_XCR2_XDATDLY_1BIT /* XDATDLY = 1 */ ), MCBSP_SRGR1_DEFAULT, MCBSP_SRGR2_DEFAULT, MCBSP_MCR1_DEFAULT, MCBSP_MCR2_DEFAULT, MCBSP_PCR_RMK( MCBSP_PCR_IDLEEN_RESET, /* IDLEEN = 0 */ MCBSP_PCR_XIOEN_SP, /* XIOEN = 0 */ MCBSP_PCR_RIOEN_SP, /* RIOEN = 0 */ MCBSP_PCR_FSXM_EXTERNAL, /* FSXM = 0 */ MCBSP_PCR_FSRM_EXTERNAL, /* FSRM = 0 */ 0, /* DXSTAT = N/A */ MCBSP_PCR_CLKXM_INPUT, /* CLKXM = 0 */ MCBSP_PCR_CLKRM_INPUT, /* CLKRM = 0 */ MCBSP_PCR_SCLKME_NO, /* SCLKME = 0 */ MCBSP_PCR_FSXP_ACTIVEHIGH, /* FSXP = 0 */ MCBSP_PCR_FSRP_ACTIVEHIGH, /* FSRP = 1 */ MCBSP_PCR_CLKXP_FALLING, /* CLKXP = 1 */ MCBSP_PCR_CLKRP_RISING /* CLKRP = 1 */ ), MCBSP_RCERA_DEFAULT, MCBSP_RCERB_DEFAULT, MCBSP_RCERC_DEFAULT, MCBSP_RCERD_DEFAULT, MCBSP_RCERE_DEFAULT, MCBSP_RCERF_DEFAULT, MCBSP_RCERG_DEFAULT, MCBSP_RCERH_DEFAULT, MCBSP_XCERA_DEFAULT, MCBSP_XCERB_DEFAULT, MCBSP_XCERC_DEFAULT, MCBSP_XCERD_DEFAULT, MCBSP_XCERE_DEFAULT, MCBSP_XCERF_DEFAULT, MCBSP_XCERG_DEFAULT, MCBSP_XCERH_DEFAULT}; /* This next struct shows how to use the I2C API *//* Create and initialize an I2C initialization structure */I2C_Setup I2Cinit = { 0, /* 7 bit address mode */ 0, /* own address – don't care if master */ 84, /* clkout value (Mhz) */ 50, /* a number between 10 and 400*/ 0, /* number of bits/byte to be received or transmitted (8)*/ 0, /* DLB mode on*/ 1 /* FREE mode of operation on*/};
I2C_Config testI2C;
/*数字音频接口格式设置AIC23为主模式，数据为DSP模式，数据长度16位*/ Uint16 digital_audio_inteface_format[2]={0x0e,0x53};/*AIC23的波特率设置，采样率为44.1K*/Uint16 sample_rate_control[2] = {0x10,0x23};/*AIC23寄存器复位*/Uint16 reset[2] ={0x1e,0x00};/*AIC23节电方式设置，所有部分均所与工作状态*/Uint16 power_down_control[2] ={0x0c,0x01}; //打开设备电源 时钟 //振荡器 输出 打开DAC和ADC 麦克风输入使能 线性输入关闭/*AIC23模拟音频的控制DAC使能，ADC输入选择为MIC*/Uint16 analog_aduio_path_control[2] ={0x08,0x14};//DAC选择麦克风输入,而非line //麦克风增益选择0db/*AIC23数字音频通路的控制*/Uint16 digital_audio_path_control[2] ={0x0a,0x05};/*AIC23数字接口的使能*/Uint16 digital_interface_activation[2] ={0x12,0x01};/*AIC23左通路音频调节*/Uint16 left_line_input_volume_control[2] ={0x00,0x17};/*AIC23右通路音频调节*/Uint16 right_line_input_volume_control[2] ={0x02,0x17};/*AIC23耳机左通路音频调节*/Uint16 left_headphone_volume_control[2] ={0x05,0xFF};/*AIC23耳机右通路音频调节*/Uint16 right_headphone_volume_control[2] = {0x07,0xFF};/*定义McBSP的句柄*/MCBSP_Handle hMcbsp;
Uint16 i2c_status;Uint16 i,temp;
void delay(Uint32 k){ while(k–);}
void main(void){
Uint16 aic23data = 0; i2c_status = 1; /* Initialize CSL library – This is REQUIRED !!! */ /*初始化CSL库*/ CSL_init(); /*设置系统的运行速度为140MHz*/ PLL_config(&myConfig); /* Initialize I2C, using parameters in init structure */ /*初始化I2C的格式*/
// I2C_config(&Config);// I2C_start(); // I2C_getConfig(&Config1); /*I2C is undet reset*/ I2C_RSET(I2CMDR,0); /*设置预分频寄存器,I2C的mode clock is 10MHz*/ delay(100); I2C_RSET(I2CSAR,0x001A); I2C_RSET(I2CMDR,0x0620); I2C_setup(&I2Cinit); /*设置Ｉ２Ｃ的Mater clock*/ I2C_RSET(I2CCLKL,100); I2C_RSET(I2CCLKH,100);
I2C_getConfig(&testI2C);
/*初始化McBSP0*/ hMcbsp = MCBSP_open(MCBSP_PORT1,MCBSP_OPEN_RESET); /*设置McBSP0*/ MCBSP_config(hMcbsp,&Mcbsp1Config); /*启动McBSP0*/ MCBSP_start(hMcbsp, MCBSP_RCV_START | MCBSP_XMIT_START, 0);
MCBSP_getConfig(hMcbsp,&Mcbsptest);
/*reset AIC23*/ i2c_status = I2C_write( reset, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); delay(1000); /*设置AIC23各部分均工作*/ i2c_status = I2C_write( power_down_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置AIC23的数字接口*/ i2c_status = I2C_write( digital_audio_inteface_format,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置AIC23模拟通路*//* i2c_status = I2C_write( analog_aduio_path_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy );*/ /*设置数字通路*/ i2c_status = I2C_write( digital_audio_path_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置AIC23的采样率*/ i2c_status = I2C_write( sample_rate_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置耳机音量*/ i2c_status = I2C_write( left_headphone_volume_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); i2c_status = I2C_write( right_headphone_volume_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置Line输入的音量*/ i2c_status = I2C_write( left_line_input_volume_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); i2c_status = I2C_write( right_line_input_volume_control,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*启动AIC23*/ i2c_status = I2C_write( digital_interface_activation,//pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*回放音频*/ while(TRUE) { while(!MCBSP_rrdy(hMcbsp)){}; aic23data = MCBSP_read16(hMcbsp); MCBSP_write16(hMcbsp,aic23data); }}
/******************************************************************************\* End of i2c2.c\******************************************************************************/
user4715584：
回复 JINGWEI WANG3:
这是我之前调试用的，你对比下，哪些地方不一样
/************************************Copyright(c)***************************************** ****———————————文件信息————————————-**文 件 名：**创 建 人：**最后修改日期：**描 述：****———————————历史版本信息———————————**创建人：**版 本：**日 期：**描 述：****——————————————————————————**修改人：**版 本：**日 期：**描 述：****———————————当前版本修订———————————**修改人：**日 期：**描 述：****——————————————————————————***************************************************************************************/
/**********************************头文件**********************************************/#include <csl.h>#include <csl_i2c.h>#include <stdio.h>#include <csl_pll.h>#include <csl_mcbsp.h>#include <math.h>/**********************************变量************************************************/#define CODEC_ADDR 0x1A //语音芯片AIC23地址#define SAMPLENUMBER 512 //定义抽取样本数为512int c[SAMPLENUMBER];/**********************************函数声明************************************/
/***********************************锁相环的设置*******************************/PLL_Config myConfig = { 0, //IAI: the PLL locks using the same process that was underway //before the idle mode was entered 1, //IOB: If the PLL indicates a break in the phase lock, //it switches to its bypass mode and restarts the PLL phase-locking //sequence 12, //PLL multiply value; multiply 24 times 1 //Divide by 2 PLL divide value; it can be either PLL divide value //(when PLL is enabled), or Bypass-mode divide value //(PLL in bypass mode, if PLL multiply value is set to 1)};//////////////////////////////////////////////////////////////////////////////////////////
MCBSP_Config Mcbsptest;/**McBSP set,we use mcbsp1 to send and recieve the data between DSP and AIC23**/MCBSP_Config Mcbsp1Config = { MCBSP_SPCR1_RMK( MCBSP_SPCR1_DLB_OFF, /* DLB = 0,禁止自闭环方式 */ MCBSP_SPCR1_RJUST_LZF, /* RJUST = 2 */ MCBSP_SPCR1_CLKSTP_DISABLE, /* CLKSTP = 0 */ MCBSP_SPCR1_DXENA_ON, /* DXENA = 1 */ 0, /* ABIS = 0 */ MCBSP_SPCR1_RINTM_RRDY, /* RINTM = 0 */ 0, /* RSYNCER = 0 */ MCBSP_SPCR1_RRST_DISABLE /* RRST = 0 */ ), MCBSP_SPCR2_RMK( MCBSP_SPCR2_FREE_NO, /* FREE = 0 */ MCBSP_SPCR2_SOFT_NO, /* SOFT = 0 */ MCBSP_SPCR2_FRST_FSG, /* FRST = 0 */ MCBSP_SPCR2_GRST_CLKG, /* GRST = 0 */ MCBSP_SPCR2_XINTM_XRDY, /* XINTM = 0 */ 0, /* XSYNCER = N/A */ MCBSP_SPCR2_XRST_DISABLE /* XRST = 0 */ ), /*单数据相，接受数据长度为16位,每相2个数据*/ MCBSP_RCR1_RMK( MCBSP_RCR1_RFRLEN1_OF(1), /* RFRLEN1 = 1 */ MCBSP_RCR1_RWDLEN1_16BIT /* RWDLEN1 = 2 */ ), MCBSP_RCR2_RMK( MCBSP_RCR2_RPHASE_SINGLE, /* RPHASE = 0 */ MCBSP_RCR2_RFRLEN2_OF(0), /* RFRLEN2 = 0 */ MCBSP_RCR2_RWDLEN2_8BIT, /* RWDLEN2 = 0 */ MCBSP_RCR2_RCOMPAND_MSB, /* RCOMPAND = 0 */ MCBSP_RCR2_RFIG_YES, /* RFIG = 0 */ MCBSP_RCR2_RDATDLY_1BIT /* RDATDLY = 1 */ ), MCBSP_XCR1_RMK( MCBSP_XCR1_XFRLEN1_OF(1), /* XFRLEN1 = 1 */ MCBSP_XCR1_XWDLEN1_16BIT /* XWDLEN1 = 2 */ ), MCBSP_XCR2_RMK( MCBSP_XCR2_XPHASE_SINGLE, /* XPHASE = 0 */ MCBSP_XCR2_XFRLEN2_OF(0), /* XFRLEN2 = 0 */ MCBSP_XCR2_XWDLEN2_8BIT, /* XWDLEN2 = 0 */ MCBSP_XCR2_XCOMPAND_MSB, /* XCOMPAND = 0 */ MCBSP_XCR2_XFIG_YES, /* XFIG = 0 */ MCBSP_XCR2_XDATDLY_1BIT /* XDATDLY = 1 */ ), MCBSP_SRGR1_DEFAULT, MCBSP_SRGR2_DEFAULT, MCBSP_MCR1_DEFAULT, MCBSP_MCR2_DEFAULT, MCBSP_PCR_RMK( MCBSP_PCR_IDLEEN_RESET, /* IDLEEN = 0 */ MCBSP_PCR_XIOEN_SP, /* XIOEN = 0 */ MCBSP_PCR_RIOEN_SP, /* RIOEN = 0 */ MCBSP_PCR_FSXM_EXTERNAL, /* FSXM = 0 */ MCBSP_PCR_FSRM_EXTERNAL, /* FSRM = 0 */ 0, /* DXSTAT = N/A */ MCBSP_PCR_CLKXM_INPUT, /* CLKXM = 0 */ MCBSP_PCR_CLKRM_INPUT, /* CLKRM = 0 */ MCBSP_PCR_SCLKME_NO, /* SCLKME = 0 */ MCBSP_PCR_FSXP_ACTIVEHIGH, /* FSXP = 0 */ MCBSP_PCR_FSRP_ACTIVEHIGH, /* FSRP = 1 */ MCBSP_PCR_CLKXP_FALLING, /* CLKXP = 1 */ MCBSP_PCR_CLKRP_RISING /* CLKRP = 1 */ ), MCBSP_RCERA_DEFAULT, MCBSP_RCERB_DEFAULT, MCBSP_RCERC_DEFAULT, MCBSP_RCERD_DEFAULT, MCBSP_RCERE_DEFAULT, MCBSP_RCERF_DEFAULT, MCBSP_RCERG_DEFAULT, MCBSP_RCERH_DEFAULT, MCBSP_XCERA_DEFAULT, MCBSP_XCERB_DEFAULT, MCBSP_XCERC_DEFAULT, MCBSP_XCERD_DEFAULT, MCBSP_XCERE_DEFAULT, MCBSP_XCERF_DEFAULT, MCBSP_XCERG_DEFAULT, MCBSP_XCERH_DEFAULT}; /***********************下面结构体说明如何使用I2C的API函数创建和初始化一个I2C初始化结构体*********************/I2C_Setup I2Cinit = { 0, /* 7 bit address mode */ 0, /* own address – don't care if master */ 84, /* clkout value (Mhz) */ 50, /* a number between 10 and 400*/ 0, /* number of bits/byte to be received or transmitted (8)*/ 0, /* DLB mode on*/ 1 /* FREE mode of operation on*/};I2C_Config testI2C;/**************************************AIC23寄存器配置********************************************************/ Uint16 digital_audio_inteface_format[2] = {0x0e,0x53}; /*AIC23为主模式，数据为DSP模式，数据长度16位*/Uint16 sample_rate_control[2] = {0x10,0x20}; /*AIC23的采样率设置，采样率为44.1K*/Uint16 reset[2] = {0x1e,0x00}; /*AIC23寄存器复位*/Uint16 power_down_control[2] = {0x0c,0x01}; /*AIC23节电方式设置，所有部分均所与工作状态*/Uint16 analog_aduio_path_control[2] = {0x08,0x15}; /*AIC23模拟音频的控制DAC使能，ADC输入选择为MIC*/Uint16 digital_audio_path_control[2] = {0x0a,0x05}; /*AIC23数字音频通路的控制*/Uint16 digital_interface_activation[2] = {0x12,0x01}; /*AIC23数字接口的激活*/Uint16 left_line_input_volume_control[2] = {0x00,0x00}; /*AIC23左通芬羝档鹘?/Uint16 right_line_input_volume_control[2] = {0x02,0x00}; /*AIC23右通路音频调节*/Uint16 left_headphone_volume_control[2] = {0x05,0x79}; /*AIC23耳机左通路音频调节*/Uint16 right_headphone_volume_control[2] = {0x07,0x79}; /*AIC23耳机右通路音频调节*//**************************************定义McBSP的句柄*******************************************************/MCBSP_Handle hMcbsp; //定义MCBSP的句柄,命名为hMcbspUint16 i2c_status;/**************************************延时函数**************************************************************/void delay(Uint32 k){ while(k–);}/**************************************主函数****************************************************************/void main(){ int i = 0; i2c_status = 1;
CSL_init(); //初始化CSL库，将.csldata的地址保存到0x7b PLL_config(&myConfig); //设置系统的运行速度为140MHz I2C_RSET(I2CMDR,0); //复位 I2C（寄存器名，写入值） delay(100); //延时 I2C_RSET(I2CSAR,0x001A); //从设备地址为0x1A I2C_RSET(I2CMDR,0x0620); //配置I2C I2C_setup(&I2Cinit); //使用初始化结构体初始化I2C寄存器 /*设置I2C的Mater clock*/ I2C_RSET(I2CCLKL,100); //Clock Divider Low register I2C_RSET(I2CCLKH,100); //Clock Divider High register I2C_getConfig(&testI2C); // /*初始化McBSP0*/ hMcbsp = MCBSP_open(MCBSP_PORT0,MCBSP_OPEN_RESET); /*设置McBSP0*/ MCBSP_config(hMcbsp,&Mcbsp1Config); /*启动McBSP0*/ MCBSP_start(hMcbsp,MCBSP_RCV_START | MCBSP_XMIT_START,0); MCBSP_getConfig(hMcbsp,&Mcbsptest);
/*reset AIC23*/ i2c_status = I2C_write( reset, //指向数组首地址 2, //传输数据长度 1, //主机或从机设置 CODEC_ADDR, //从机地址 1, //传输模式 30000 //忙信号等待延时 ); delay(1000); //延时，等待AIC23完成重启 /*设置AIC23各部分均工作*/ i2c_status = I2C_write( power_down_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置AIC23的数字接口*/ i2c_status = I2C_write( digital_audio_inteface_format, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置AIC23模拟通路*/ i2c_status = I2C_write( analog_aduio_path_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置数字通路*/ i2c_status = I2C_write( digital_audio_path_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置AIC23的采样率*/ i2c_status = I2C_write( sample_rate_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置耳机音量*/ i2c_status = I2C_write( left_headphone_volume_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); i2c_status = I2C_write( right_headphone_volume_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*设置Line输入的音量*/ i2c_status = I2C_write( left_line_input_volume_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); i2c_status = I2C_write( right_line_input_volume_control, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); /*启动AIC23*/ i2c_status = I2C_write( digital_interface_activation, //pointer to data array 2, //length of data to be transmitted 1, //master or slaver CODEC_ADDR, //slave address to transmit to 1, //transfer mode of operation 30000 //time out for bus busy ); //————————————————————————– while(TRUE) { while(!MCBSP_rrdy(hMcbsp)){}; aic23data = MCBSP_read16(hMcbsp); MCBSP_write16(hMcbsp,aic23data); } }
/******************************************************************************\* End of Audio time analysis.c\******************************************************************************/
JINGWEI WANG3：
回复 user4715584:
你当时调试通了么 为啥我的还是调试不同呀？？？
user4715584：
回复 JINGWEI WANG3:
我当时是调试通了的，对着麦克风讲话，耳机里是能听见声音的，我把源码发上来，你再参考下。
JINGWEI WANG3：
回复 user4715584:
我直接把你的程序考进去，不过不知道为啥还是没反应！！！
user5155731：
回复 JINGWEI WANG3:
请问一下，后来解决了么，我也是这个原因，没有反应
user5321810：
回复 user5155731:
请问你现在解决这个问题了吗？我也遇到了这个问题
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