TI中文支持网急求AIC3204的麦克风输入程序，用ezdsp5515例子，麦克风始终输入不了语音信号~求指教！
Liu Wang：
补上源程序代码块：
/* Configure AIC3204 */
AIC3204_rset( 0, 0 ); // Select page 0 AIC3204_rset( 1, 1 ); // Reset codec AIC3204_rset( 0, 1 ); // Select page 1 AIC3204_rset( 1, 8 ); // Disable crude AVDD generation from DVDD AIC3204_rset( 2, 1 ); // Enable Analog Blocks, use LDO power AIC3204_rset( 0, 0 ); // Select page 0 /* PLL and Clocks config and Power Up */ AIC3204_rset( 27, 0x0d ); // BCLK and WCLK is set as o/p to AIC3204(Master) AIC3204_rset( 28, 0x00 ); // Data ofset = 0 AIC3204_rset( 4, 3 ); // PLL setting: PLLCLK <- MCLK, CODEC_CLKIN <-PLL CLK AIC3204_rset( 6, 7 ); // PLL setting: J=7 AIC3204_rset( 7, 0x06 ); // PLL setting: HI_BYTE(D=1680) AIC3204_rset( 8, 0x90 ); // PLL setting: LO_BYTE(D=1680) AIC3204_rset( 30, 0x88 ); // For 32 bit clocks per frame in Master mode ONLY // BCLK=DAC_CLK/N =(12288000/8) = 1.536MHz = 32*fs AIC3204_rset( 5, 0x91 ); // PLL setting: Power up PLL, P=1 and R=1 AIC3204_rset( 13, 0 ); // Hi_Byte(DOSR) for DOSR = 128 decimal or 0x0080 DAC oversamppling AIC3204_rset( 14, 0x80 ); // Lo_Byte(DOSR) for DOSR = 128 decimal or 0x0080 AIC3204_rset( 20, 0x80 ); // AOSR for AOSR = 128 decimal or 0x0080 for decimation filters 1 to 6 AIC3204_rset( 11, 0x82 ); // Power up NDAC and set NDAC value to 2 AIC3204_rset( 12, 0x87 ); // Power up MDAC and set MDAC value to 7 AIC3204_rset( 18, 0x87 ); // Power up NADC and set NADC value to 7 AIC3204_rset( 19, 0x82 ); // Power up MADC and set MADC value to 2 /* DAC ROUTING and Power Up */ AIC3204_rset( 0, 0x01 ); // Select page 1 AIC3204_rset( 12, 0x08 ); // LDAC AFIR routed to HPL AIC3204_rset( 13, 0x08 ); // RDAC AFIR routed to HPR AIC3204_rset( 0, 0x00 ); // Select page 0 AIC3204_rset( 64, 0x02 ); // Left vol=right vol AIC3204_rset( 65, 0x00 ); // Left DAC gain to 0dB VOL; Right tracks Left AIC3204_rset( 63, 0xd4 ); // Power up left,right data paths and set channel AIC3204_rset( 0, 0x01 ); // Select page 1 AIC3204_rset( 16, 0x00 ); // Unmute HPL , 0dB gain AIC3204_rset( 17, 0x00 ); // Unmute HPR , 0dB gain AIC3204_rset( 9, 0x30 ); // Power up HPL,HPR AIC3204_rset( 0, 0x00 ); // Select page 0 USBSTK5515_wait( 500 ); // Wait /* ADC ROUTING and Power Up */ AIC3204_rset( 0, 1 ); // Select page 1 AIC3204_rset( 0x34, 0x30 ); // STEREO 1 Jack // IN2_L to LADC_P through 40 kohm AIC3204_rset( 0x37, 0x30 ); // IN2_R to RADC_P through 40 kohmm AIC3204_rset( 0x36, 3 ); // CM_1 (common mode) to LADC_M through 40 kohm AIC3204_rset( 0x39, 0xc0 ); // CM_1 (common mode) to RADC_M through 40 kohm AIC3204_rset( 0x3b, 0 ); // MIC_PGA_L unmute AIC3204_rset( 0x3c, 0 ); // MIC_PGA_R unmute AIC3204_rset( 0, 0 ); // Select page 0 AIC3204_rset( 0x51, 0xc0 ); // Powerup Left and Right ADC AIC3204_rset( 0x52, 0 ); // Unmute Left and Right ADC AIC3204_rset( 0, 0 ); USBSTK5515_wait( 200 ); // Wait /* I2S settings */ I2S0_SRGR = 0x0; I2S0_CR = 0x8010; // 16-bit word, slave, enable I2C I2S0_ICMR = 0x3f; // Enable interrupts
以上配置有错吗
Shine：
回复 Liu Wang:
EVM板的例程都是跑通过的。
你跟一下程序执行到哪里了？Microphone是否是好的？
另外，stereo in/out程序在你的EVM板上可以运行吗？
Shine：
回复 Liu Wang:
谢谢分享！
