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| #include "stm32f10x.h"
uint16_t table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uint16_t disp[4];
uint16_t temp,i,temp2,a,b,c;
void Delay(unsigned int count)
{
unsigned int i;
for(;count!=0;count--)
{
i=5000;
while(i--);
}
}
int main(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = 0xffff;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_Init(GPIOB, &GPIO_InitStructure);
while(1)
{
for(i=0;i<=9999;i++)
{
a=i/1000;
b=i/100-a*10;
c=i/10-a*100-b*10;
disp[3]=table[a];
disp[2]=table[b] ;
disp[1]=table[c];
disp[0]=table[i%10];
temp=(disp[1]<<8)|(disp[0]&0x0ff);
GPIO_Write(GPIOC,temp);
temp2=(disp[3]<<8)|(disp[2]&0x0ff);
GPIO_Write(GPIOB,temp2);
Delay(100);
}
}
}
|
