drive.h

MSP430接ST16C55X的串口扩展卡程序

#include<msp430x13x.h>
//LED1 口线P5.7
#define LED1_DIR_OUT        (P5DIR|=0x80)
#define LED1_OFF            (P5OUT|=0x80)
#define LED1_ON             (P5OUT&=0x7F)

//LED2 口线P5.6
#define LED2_DIR_OUT        (P5DIR|=0x40)
#define LED2_OFF            (P5OUT|=0x40)
#define LED2_ON             (P5OUT&=0xBF)

//LED3 口线P5.5
#define LED3_DIR_OUT        (P5DIR|=0x20)
#define LED3_OFF            (P5OUT|=0x20)
#define LED3_ON             (P5OUT&=0xDF)

//LED4 口线P5.4
#define LED4_DIR_OUT        (P5DIR|=0x10)
#define LED4_OFF            (P5OUT|=0x10)
#define LED4_ON             (P5OUT&=0xEF)

//LED5 口线P5.5
#define LED5_DIR_OUT        (P5DIR|=0x08)
#define LED5_OFF            (P5OUT|=0x08)
#define LED5_ON             (P5OUT&=0xF7)

//485收发控制P5.4
#define c_485_DIR_OUT       (P5DIR|= 0x04)
#define c_485_t             (P5OUT|= 0x04) 
#define c_485_r             (P5OUT&= 0xfB)