创业史读书笔记500 创业史读书笔记500字初中( 三 )

P0 = table[bw];
seg2=0;
delay_ms(3);
seg2=1;
P0 = table[sw];
seg3=0;
delay_ms(3);
seg3=1;
P0 = table[gw];
seg4=0;
delay_ms(3);
seg4=1;
}
}
void task_2(void) {
unsigned char i;
while(1) {
i++;
P3 = 0x01<<(i%8);
os_delay(200);
}
}
void task_3(void) {
unsigned char i;
while(1) {
i++;
//P2 = 0x01<<(i%8);
os_delay(7);
}
}
void task_4(void) {
unsigned char i;
while(1) {
i++;
P1 = 0x01<<(i%8);
os_delay(10);
}
}
void main(void) {
os_init();
os_task_create(4,(unsigned int)&task_0,(unsigned char)os_task_stack[4]);
os_task_create(3,(unsigned int)&task_1,(unsigned char)os_task_stack[3]);
os_task_create(2,(unsigned int)&task_2,(unsigned char)os_task_stack[2]);
os_task_create(1,(unsigned int)&task_3,(unsigned char)os_task_stack[1]);
os_task_create(0,(unsigned int)&task_4,(unsigned char)os_task_stack[0]);
os_start();
}
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