#include "memmap.h"

#include "gpio.h"

#include "Defination.c"

u8 i=a;

__asm u8 plus(u8 a) //注意是兩個(gè)“_”

{

MOV R1,R0 //由于R0傳遞第一個(gè)參數(shù)，故將a的值賦給R1寄存器

ADD R1,#6 //將R1的值加6

MOV R0,R1 //返回值寫入R0

BX LR //返回主程序

}

int main(void)

{

*RCC_APB2ENR=0x00000018;//打開portb和portc的時(shí)鐘

setPORT(&PORTC,0x00000000);

setPORT(&PORTB,0x00000000);

delay_Nms(1);

setBIT(&PORTB,4);//RESET PB4

LCD_Init();

DispOneColor(BLACK);

print("application one is running",cursor_x,cursor_y);

newline();

i=plus(i);

print(&i,cursor_x,cursor_y);

return(0);

}