pcmcfg.h

傅里叶变换

void codec_config(int port_no,int data_delay);
void pcm_config(int user_enable, int data_delay);
void mcbsp_init(unsigned short port_no,
                         unsigned int clks_ratio,
                         unsigned int spcr1_ctrl,
                         unsigned int spcr2_ctrl,
                         unsigned int rcr1_ctrl,
                         unsigned int rcr2_ctrl,
                         unsigned int xcr1_ctrl,
                         unsigned int xcr2_ctrl,
                         unsigned int srgr1_ctrl,
                         unsigned int srgr2_ctrl,
                         unsigned int mcr1_ctrl,
                         unsigned int mcr2_ctrl,
                         unsigned int rcera_ctrl,
                         unsigned int rcerb_ctrl,
                         unsigned int xcera_ctrl,
                         unsigned int xcerb_ctrl,
                         unsigned int pcr_ctrl);
void mcbsp_enable(int port_no,int type);
void mcbsp_tx_reset(int port_no);
void mcbsp_rx_reset(int port_no);
unsigned int get_code(unsigned long address);