tlc5615.c

十位DA TLC5615的接口程序,包括其中寄存器的读写和输出函数等

#include <reg52.h>
#include "tlc5615.h"

////输入电压////////
void write_voltage(float tlc5615_voltage)   ///tlc5615电压转换
{ unsigned int i=0;
  unsigned int real_number;
  real_number = (unsigned int)(tlc5615_voltage*1024/(2*2.51));
  write_number( real_number );
}


//////输入数据///////
void write_number(unsigned int tlc5615_number)   ///tlc5615数据转换
{ unsigned int i=0;
  unsigned int chang_number;
  chang_number = tlc5615_number << 2;
  P2 = P2&0x0f|0xd0;        //片选
  for(i=0;i<12;i++)
  { tlc5615_SCLK = 0;
    tlc5615_DIN = chang_number&0x800;
    chang_number <<= 1;
    tlc5615_SCLK = 1;
  }
  tlc5615_SCLK = 0;
  P2 = P2&0x0f|0xf0;
}