asm_code.asm

Pressure Sensor Assemble Code

NAME ASM_CODE

PUBLIC AD_CONVERT
AD_CONVERTP SEGMENT CODE

RSEG  AD_CONVERTP

AD_CONVERT:;等待可以转换
    wait0:
		mov c,p1.2;
        jnc wait0;
        mov dptr,#010f4h;启动模拟转换上一路，锁存第当前路
        movx @dptr,a;
	wait1:
		mov c,p1.2;等待以前路转换
        jnc wait1;;
        mov dptr,#010f4h;启动模拟转换第当前路，锁存第当前路
        movx @dptr,a;
    wait2:
		mov c,p1.2; ;等待当前路转换结束；
        jnc wait2;
        mov dptr,#010ffh;读yiqian转换的低字节；
        movx a,@dptr;
        mov 40h,a;
		MOV R7, A;
        mov dptr,#010fbh;读yiqian转换的高字节
        movx a,@dptr;
        mov 41h,a;
		MOV R6, A
        RET; 
end