Files
ciciec2026_loongson/sdk/software/bsp/include/fft.h

16 lines
480 B
C

#pragma once
#define FFT_BASE 0xbf400000
#define FFT_IN_RE_BASE (FFT_BASE + 0x1000)
#define FFT_IN_IM_BASE (FFT_BASE + 0x2000)
#define FFT_OUT_RE_BASE (FFT_BASE + 0x3000)
#define FFT_OUT_IM_BASE (FFT_BASE + 0x4000)
#define FFT_CSR_REG (FFT_BASE + 0xF000)
#define FFT_CTRL_START (1 << 4)
#define FFT_STAT_DONE (1 << 1)
#define FFT_STAT_BUSY (1 << 0)
#define FFT_POINT_NUM 1024
void fft_start();
void fft_wait();
unsigned int fft_get_csr();