xeye_ atsu
パラメータを適応変化させる事により圧縮率を向上させた動的ライス・ゴロム符号を利用した可逆圧縮方式。圧縮ソフト、圧縮率のMATLABシミュレーションは詳細はInterface誌2011年8月号に掲載されるRX62Nマイコン連動特集にて掲載予定。
Diff: aic23b_comm.h
- Revision:
- 0:d920d64db582
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/aic23b_comm.h Wed Mar 30 06:05:24 2011 +0000 @@ -0,0 +1,167 @@ +#include "mbed.h" + +//extern void aic23b_init(void); +//extern int aic23b_send(int addr,char ctrl_address,char ctrl_data); + +// Register map of TLV320AIC23B. See "TLV320AIC23B Data Manual" section 3.1.3 +// I2C ADDRESS(MODE=0,CS=0)=0011010b +#define AIC23B_ADDRESS (52) +/////////////////////////////////////////////////////////////////////// +// Control Address Bits +#define LEFT_LINE_INPUT_CHANNEL_VOLUME_CONTROL (0x00 << 1) +#define RIGHT_LINE_INPUT_CHANNEL_VOLUME_CONTROL (0x01 << 1) +#define LEFT_CHANNEL_HEADPHONE_VOLUME_CONTROL ((0x02 << 1)|1) +#define RIGHT_CHANNEL_HEADPHONE_VOLUME_CONTROL ((0x03 << 1)|1) +#define ANALOG_AUDIO_PATH_CONTROL (0x04 << 1) +#define DIGITAL_AUDIO_PATH_CONTROL (0x05 << 1) +#define POWER_DOWN_CONTROL (0x06 << 1) +#define DIGITAL_AUDIO_INTERFACE_FORMAT (0x07 << 1) +#define SAMPLE_RATE_CONTROL (0x08 << 1) +#define DIGITAL_INTERFACE_ACTIVATION (0x09 << 1) +#define RESET_REFGISTER (0x0F << 1) +/////////////////////////////////////////////////////////////////////// +// Control Data Bits +// LEFT_LINE_INPUT_CHANNEL_VOLUME_CONTROL(Address:0x00) +// (bit7)LIM: Left line input mute 0=Normal 1=Muted +// (bit6)X: Reserved +// (bit5)X: Reserved +// (bit4)LIV4: +// (bit3)LIV3: +// (bit2)LIV2: +// (bit1)LIV1: +// (bit0)LIV0: Left line input volume control(10111=0dB default) +#define LIM_MUTE_DISABLED (0<<7) +#define LIV_VOLUME_DEFAULT (0x17<<0) +// ---------------------------------------------------------------------- +// RIGHT_LINE_INPUT_CHANNEL_VOLUME_CONTROL(Address:0x01) +// (bit7)RIM: Right line input mute 0=Normal 1=Muted +// (bit6)X: Reserved +// (bit5)X: Reserved +// (bit4)RIV4: +// (bit3)RIV3: +// (bit2)RIV2: +// (bit1)RIV1: +// (bit0)RIV0: Right line input volume control(10111=0dB default) +#define RIM_MUTE_DISABLED (0<<7) +#define RIV_VOLUME_DEFAULT (0x17<<0) +// ---------------------------------------------------------------------- +// LEFT_CHANNEL_HEADPHONE_VOLUME_CONTROL(Address:0x02) +// (bit7)LZC: Left-channel Zero-cross detect 0=Off 1=On +// (bit6)LHV6: +// (bit5)LHV5: +// (bit4)LHV4: +// (bit3)LHV3: +// (bit2)LHV2: +// (bit1)LHV1: +// (bit0)LHV0: Left headphone volume control(1111001=0dB default,0110000=-73dB Mute) +#define LZC_ZERO_CROSS_DETECT_ON (1<<7) +#define LHV_VOLUME_DEFAULT 90//(0x79<<0) +// ---------------------------------------------------------------------- +// RIGHT_CHANNEL_HEADPHONE_VOLUME_CONTROL(Address:0x03) +// (bit7)RZC: Right-channel Zero-cross detect 0=Off 1=On +// (bit6)RHV6: +// (bit5)RHV5: +// (bit4)RHV4: +// (bit3)RHV3: +// (bit2)RHV2: +// (bit1)RHV1: +// (bit0)RHV0: Right headphone volume control(1111001=0dB default,0110000=-73dB Mute) +#define RZC_ZERO_CROSS_DETECT_ON (1<<7) +#define RHV_VOLUME_DEFAULT 90//(0x79<<0) +// ---------------------------------------------------------------------- +// ANALOG_AUDIO_PATH_CONTROL(Address:0x04) +// (bit7)STA1: +// (bit6)STA0: +// (bit5)STE: (See "TLV320AIC23B DATA MANUAL" pp.3-3) +// (bit4)DAC: DAC select 0=DAC off 1=DAC on +// (bit3)BYP: Bypass 0=Disabled 1=Enabled +// (bit2)INSEL: Input select for ADC 0=Line, 1=Microphone +// (bit1)MICM: Microphone mute 0=Normal, 1=Muted +// (bit0)MICB: Microphone boost 0=dB, 1=20dB +// ---------------------------------------------------------------------- +// DIGITAL_AUDIO_PATH_CONTROL(Address:0x05) +// (bit7)X: Reserved +// (bit6)X: Reserved +// (bit5)X: Reserved +// (bit4)X: Reserved +// (bit3)DACM: DAC soft mute 0=Disabled 1=Enabled +// (bit2)DEEMP1: +// (bit1)DEEMP0: De-enphasis control 0=Normal, 1=Muted +// (bit0)ADCHP: ADC high-pass filter 0=dB, 1=20dB +#define DAC_MUTE_DISABLED (0<<3) +#define DE_EMPHASIS_DISABLED (0x0 << 0) +#define DE_EMPHASIS_32_KHZ (0x1 << 0) +#define DE_EMPHASIS_44_1_KHZ (0x2 << 0) +#define DE_EMPHASIS_48_KHZ (0x3 << 0) +// ---------------------------------------------------------------------- +// POWER_DOWN_CONTROL(Address:0x06) +// (bit7)OFF: Device power 0=On, 1=Off +// (bit6)CLK: Clock 0=On, 1=Off +// (bit5)OSC: Oscillator 0=On, 1=Off +// (bit4)OUT: Outputs 0=On, 1=Off +// (bit3)DAC: DAC 0=On, 1=Off +// (bit2)ADC: ADC 0=On, 1=Off +// (bit1)MIC: Microphone input 0=On, 1=Off +// (bit0)LINE: Line input 0=On, 1=Off +#define DEVICE_POWER_ON (0<<7) +#define CLOCK_ON (0<<6) +#define OSCILLATOR_ON (0<<5) +#define OUTPUTS_ON (0<<4) +#define DAC_ON (0<<3) +#define ADC_ON (0<<2) +#define MICROPHONE_INPUT_ON (0<<1) +#define LINE_INPUT_ON (0<<0) +// ---------------------------------------------------------------------- +// DIGITAL_AUDUIO_INTERFACE_FORMAT(Address:0x07) +// (bit7)X: Reserved +// (bit6)MS: Master/Slave mode 0=Slave, 1=Master +// (bit5)LRSWAP: DAC left/right swap 0=Disabled, 1=Enabled +// (bit4)LRP: 0=R-ch ON,LRCLKIN high, 1=R-ch ON,LRCLKIN low +// (bit3)IWL1: +// (bit2)IWL0: Input bit length 00=16bit, 01=20bit, 10=24bit, 11=32bit +// (bit1)FOR1: +// (bit0)FOR0: Data format 11=DSP, 10=I2S, 01=MSB first left algn., 00=MSB right algn. +#define MASTER_MODE (1<<6) +#define INPUT_DATA_16_BIT_LENGTH (0x00<<2) +#define INPUT_DATA_20_BIT_LENGTH (0x01<<2) +#define INPUT_DATA_24_BIT_LENGTH (0x02<<2) +#define INPUT_DATA_32_BIT_LENGTH (0x03<<2) +#define DSP_FORMAT (0x03<<0) +#define I2S_FORMAT (0x02<<0) +#define MSB_FIRST_LEFT_ALIGN (0x01<<0) +#define MSB_FIRST_RIGHT_ALIGN (0x00<<0) +// ---------------------------------------------------------------------- +// SAMPLE_RATE_CONTROL(Address:0x08) +// (bit7)CLKOUT: Clock output divider 0=MCLK, 1=MCLK/2 +// (bit6)CLKIN: Clock input divider 0=MCLK, 1=MCLK/2 +// (bit5)SR3: +// (bit4)SR2: +// (bit3)SR1: +// (bit2)SR0: (See "TLV320AIC23B DATA MANUAL" section 3.3.2.1 and 3.3.2.2) +// (bit1)BOSR: +// (bit0)USB/Normal: Clock mode select 0=Normal, 1=USB +#define SR_USB_44_1_KHZ_MODE (0x08<<2) +#define BOSR_USB_44_1_KHZ_MODE (0x01<<1) +#define USE_USB_CLOCK_44_1_KHZ_MODE (0x01<<0) +// ---------------------------------------------------------------------- +// DIGITAL_INTERFACE_ACTIVATION(Address:0x09) +// (bit7)RES: +// (bit6)RES: +// (bit5)X: Reserved +// (bit4)X: Reserved +// (bit3)X: Reserved +// (bit2)X: Reserved +// (bit1)X: Reserved +// (bit0)ACT: Activate interface 0=Inactive, 1=Active +#define DIGITAL_INTERFACE_ACTIVE (0x01<<0) +// ---------------------------------------------------------------------- +// RESET_REGISTER(Address:0x0F) +// (bit7)RES: +// (bit6)RES: +// (bit5)RES: +// (bit4)RES: +// (bit3)RES: +// (bit2)RES: +// (bit1)RES: +// (bit0)RES: Write 00000000 to this register triggers reset +#define RESET (0x00<<0)