?? codec.h
字號:
/* value - a number containing the bits to by written, already in their */
/* correct field locations. */
/* mask - a number indicating the position of the bits in "value" to be */
/* written. */
/* */
/* Returns - */
/* */
/******************************************************************************/
u16 codec_write_reg(HANDLE hDevice, CodecReg reg, u16 value, u16 mask);
/******************************************************************************/
/* codec_read() - Read one or more words from the AD50 data stream */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* pbuf - pointer to array for word storage. */
/* cnt - number of words to be read. */
/* */
/* Returns - */
/* */
/******************************************************************************/
s16 codec_read(HANDLE hDevice, s16 * pbuf, s16 cnt);
/******************************************************************************/
/* codec_write() - Write one or more words to the AD50 data stream */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* pbuf - pointer to array of words to be written. */
/* cnt - number of words to be written. */
/* */
/* Returns - */
/* */
/* WARNING: This function is not compatible with DSP/BIOS */
/* */
/******************************************************************************/
s16 codec_write(HANDLE hDevice, s16 * pbuf, s16 cnt);
/******************************************************************************/
/* codec_power() - Power up/down the analog and filter functions */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* ctrl - member of an enumeration indicating enable or disable of */
/* power down features */
/* */
/* Returns - */
/* */
/******************************************************************************/
int codec_power(HANDLE hDevice, CodecPower ctrl);
/******************************************************************************/
/* codec_monitor_gain() - Set monitor amplifier gain */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* gain - member of an enumeration indicating gain for monitor amp */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_monitor_gain(HANDLE hDevice, CodecMonGain gain);
/******************************************************************************/
/* codec_digital_loopback() - Enables digital loopback */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* on - a logical where TRUE enables digital loopback */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_digital_loopback(HANDLE hDevice, bool on);
/******************************************************************************/
/* codec_dac_mode() - Sets 16-bit or 15-bit+1 mode for the DAC portion of the */
/* codec. */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* mode - a member of an enumeration indicating 16 bit or 15+1 bit */
/* serial communications protocol. */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_dac_mode(HANDLE hDevice, CodecDacMode mode);
/******************************************************************************/
/* codec_adc_mode() - Sets 16-bit or 15-bit+1 mode for the ADC portion of the */
/* codec. */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* mode - a member of an enumeration indicating 16 bit or 15+1 bit */
/* serial communications protocol. */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_adc_mode(HANDLE hDevice, CodecAdcMode mode);
/******************************************************************************/
/* codec_analog_loopback() - Enables analog loopback */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* on - a logical where TRUE enables analog loopback */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_analog_loopback(HANDLE hDevice, bool on);
/******************************************************************************/
/* codec_ain_gain() - Set the analog input gain */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* gain - member of an enumeration indicating gain for analog input */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_ain_gain(HANDLE hDevice, CodecAinGain gain);
/******************************************************************************/
/* codec_aout_gain() - Set the analog output gain */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* gain - member of an enumeration indicating gain for analog output */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_aout_gain(HANDLE hDevice, CodecAoutGain gain);
/******************************************************************************/
/* codec_sample_rate() - Sets the code sample rate. The specified sample rate */
/* Fs (Hz) is used to choose the value N in the equation: */
/* */
/* fs = MCLK/(128*N) or MCLK/(512*N) */
/* */
/* both the value of N, and the selection of 128 or 512 is made automatically */
/* by this routine. */
/* */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* sample_rate - desired number of samples per second */
/* */
/* Returns - */
/* */
/* */
/******************************************************************************/
int codec_sample_rate(HANDLE hDevice, CodecSampleRate sample_rate);
/******************************************************************************/
/* codec_fir_flag() - Returns decimation filter overflow flag value */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. . */
/* */
/* Returns - The present value of the fir flag, 1 if set 0 if clear */
/* */
/* */
/******************************************************************************/
int codec_fir_flag(HANDLE hDevice);
/******************************************************************************/
/* codec_cont_play() */
/* */
/* This function is used to continuously send data to the codec. */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. */
/* mode - mode of operation (interrupt or DMA-driven) */
/* pingBuf - a buffer containing data to play */
/* pongBuf - a second buffer containing data to play */
/* size - the number of samples in each buffer */
/* pfunc - Pointer to function to run at end of buffer */
/* bufStatus - pointer to pointer to transfer status. */
/* 1 = transfer in progress, 0 = transfer complete */
/* */
/* Returns - */
/* */
/* WARNING: This function is not compatible with DSP/BIOS */
/* */
/******************************************************************************/
int codec_cont_play(HANDLE hDevice,
CodecMode mode,
int *pingBuf,
int *pongBuf,
unsigned int size,
Fp pfunc,
int **bufStatus);
/******************************************************************************/
/* codec_cont_capture() */
/* */
/* This function is used to capture data from the codec */
/* */
/* Parameters - */
/* hDevice - a handle to a specific instance of codec. */
/* mode - mode of operation (interrupt or DMA-driven) */
/* pingBuf - a buffer to contain data read */
/* pongBuf - a second buffer to contain data read */
/* size - the number of samples in each buffer */
/* pfunc - Pointer to function to run at end of buffer */
/* bufStatus - pointer to pointer to transfer status. */
/* 1 = transfer in progress, 0 = transfer complete */
/* */
/* Returns - */
/* */
/* WARNING: This function is not compatible with DSP/BIOS */
/* */
/******************************************************************************/
int codec_cont_capture(HANDLE hDevice,
CodecMode mode,
int *pingBuf,
int *pongBuf,
unsigned int size,
Fp pfunc,
int **bufStatus);
#endif
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