幀解析-位數據秒解析

//DIO變態幀格式
typedef struct
{
	unsigned char :8;
	unsigned char chan17:1;
	unsigned char chan18:1;
	unsigned char chan19:1;
	unsigned char chan20:1;
	unsigned char chan21:1;
	unsigned char chan22:1;
	unsigned char chan23:1;
	unsigned char chan24:1;
	unsigned char :8;
	unsigned char chan9:1;
	unsigned char chan10:1;
	unsigned char chan11:1;
	unsigned char chan12:1;
	unsigned char chan13:1;
	unsigned char chan14:1;
	unsigned char chan15:1;
	unsigned char chan16:1;
	unsigned char :8;
	unsigned char chan1:1;
	unsigned char chan2:1;
	unsigned char chan3:1;
	unsigned char chan4:1;
	unsigned char chan5:1;
	unsigned char chan6:1;
	unsigned char chan7:1;
	unsigned char chan8:1;
}DIOFrame;

DIOFrame 	G_data_DIOFrame;

int  main (int argc, char *argv[])
{
	//變態DIO幀格式,6字節代表24個DIO,每兩個的低位有效,從最後一位往左分別代表1-24通道,(下位機方便統一就造成DIO數據是這個樣子上來了)
	char recv[6]={0x00,0x80,0x00,0x01,0x00,0x00}; //這個代表第9通道和第24通道 爲1
	//定義上面的結構體就可以秒解析,然後直接用就是.
	DIOFrame* p=(DIOFrame*)recv;
	G_data_DIOFrame=*p;

	return 0;
}