/****************************************************************************** * Copyright (C) 2014-2015 HangZhou SiZhu Co.,LTD. * *----------------------------------------------------------------------------- * File: AD421.h * Description: head file of AD421.c used to output 3.5-20mA current * Author: Lishoujian (867693272@qq.com) * Date: Jan 8, 2015 *****************************************************************************/ /* ----------------------- Platform includes --------------------------------*/ #ifndef __AD421_H #define __AD421_H #include "sys.h" #define AD421_latch PDout(12)//latch data input #define AD421_clk PDout(11)//clk #define AD421_data PDout(10)//data in //#define AD421_EN PDout(0)//data in void AD421_init(void); void AD421_output(float ma);//ma:3.5 to 24 ;step current data = 0.000244ma #endif