#ifndef SRC_H #define SRC_H #include "es1371.h" #include "wait.h" int SRCInit(DEV_STRUCT * DSP); int SRCRegRead(DEV_STRUCT * DSP, u16_t reg, u16_t *data); int SRCRegWrite(DEV_STRUCT * DSP, u16_t reg, u16_t val); void SRCSetRate(DEV_STRUCT * DSP, char src_base, u16_t rate); /* register/base and control equates for the SRC RAM */ #define SRC_SYNTH_FIFO 0x00 #define SRC_DAC_FIFO 0x20 #define SRC_ADC_FIFO 0x40 #define SRC_SYNTH_BASE 0x70 #define SRC_DAC_BASE 0x74 #define SRC_ADC_BASE 0x78 #define SRC_SYNTH_LVOL 0x7c #define SRC_SYNTH_RVOL 0x7d #define SRC_DAC_LVOL 0x7e #define SRC_DAC_RVOL 0x7f #define SRC_ADC_LVOL 0x6c #define SRC_ADC_RVOL 0x6d #define SRC_TRUNC_N_OFF 0x00 #define SRC_INT_REGS_OFF 0x01 #define SRC_ACCUM_FRAC_OFF 0x02 #define SRC_VFREQ_FRAC_OFF 0x03 /* miscellaneous control defines */ #define SRC_IOPOLL_COUNT 0x1000UL #define SRC_WENABLE (1UL << 24) #define SRC_BUSY_BIT 23 #define SRC_BUSY (1UL << SRC_BUSY_BIT) #define SRC_DISABLE (1UL << 22) #define SRC_SYNTHFREEZE (1UL << 21) #define SRC_DACFREEZE (1UL << 20) #define SRC_ADCFREEZE (1UL << 19) #define SRC_CTLMASK 0x00780000UL #endif /* SRC_H */