fir_coeff.h

来自「通过BF561双核处理系统」· C头文件 代码 · 共 32 行

//bandpass filter
/*
#define BASE_TAPLENGTH 9
static fract16 h[BASE_TAPLENGTH] = {
0xF08B,
0x2518,
0xC7B2,
0x4000,
0xC7B2,
0x2518,
0xF08B,
0x0000,
0x05C8
};
*/

//lowpass filter
#define BASE_TAPLENGTH 8
static fract16 h[BASE_TAPLENGTH] = {
0xff14,
000000,
0x114a,
0x2fa2,
0x2fa2,
0x114a,
000000,
0xff14
};