tqpsk.h

来自「adsp blackfin系列的通信QAM编码标准程序」· C头文件 代码 · 共 17 行

#define PRINTF_SUPPORT
segment ("mydata1") char in[]={0x72, 0xB8, 0xC2, 0x49, 0x72, 0xB8};
segment ("mydata1") char I[24];
segment ("mydata1") char Q[24];
char I_exp[]={    
0, 1, -1, 0, 1, 0, -1, 0, 0, 1, 1, -1, 0, 0, 1, 0, 0, 1, -1, 0, 1, 0,-1, 0 }; 

char Q_exp[]={
1, 0, 0, -1, 0, 1, 0, 1, 1, 0, 0, 0, -1, 1, 0, -1, 1, 0, 0, -1, 0, 1, 0, 1}; 

//table for constellation points in the quadrants
//short table[]={0x0101, 0xFF01, 0x01FF, 0xFFFF};

//table for constellation points on the axes
segment ("mydata1") short table[]={0x0001, 0xFF00, 0x0100,  0x00FF};