Programming example of MSP430 controlling digital tube

火辣西米秀

Programming example of MSP430 controlling digital tube [Copy link]

#include<msp430f149.h>

typedef unsigned char uchar;

#define wei_h P5OUT |= BIT5
#define wei_l P5OUT &= BIT5
#define duan_l P6OUT &= ~BIT6
#define duan_h P6OUT |= BIT6

uchar table[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
uchar num = 0;

void delay(int z)
{
int i,j;
for(i=z;i>0;i--)
for(j=112;j>0;j--);
}

void display(uchar dat)
{
P4OUT = table[num];
duan_h;
duan_l;
P4OUT = 0x00;
wei_h;
wei_l;
}

void main( void )
{
P1DIR = 0XFF;P1OUT = 0XFF;
P2DIR = 0XFF;P2OUT = 0XFF;
P3DIR = 0XFF;P3OUT = 0XFF;
P4DIR = 0XFF;P4OUT = 0XFF;
P5DIR = 0XFF;P5OUT = 0XFF;
P6DIR = 0XFF;P6OUT = 0XFF;
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;

while(1)
{
for(num=0;num<16;num++)
{
display(num);
delay(500);
}
}

}