//引脚定义
#define RESET_1 P4OUT|=BIT2;
#define RESET_0 P4OUT&=~BIT2;
#define SDI_1 P4OUT|=BIT3;
#define SDI_0 P4OUT&=~BIT3;
#define CS_1 P4OUT|=BIT4;
#define CS_0 P4OUT&=~BIT4;
#define SCLK_1 P4OUT|=BIT5;
#define SCLK_0 P4OUT&=~BIT5;
#define DQ_val (P4IN&BIT1)
