#include "dac7311.h"

int cnum = 0;

void dac7311_init(void)
{
	AO1_SYNC_H();
	AO1_SCLK_L();
	AO2_SYNC_H();
	AO2_SCLK_L();
}

void ao1_write(uint16_t Data)
{
	uint16_t temp;
	uint8_t	ui;
	
	temp=Data << 2;
	temp &= 0x3FFF;//设置模式为Normal
	AO1_SYNC_H();
	AO1_SCLK_H();
	delay_tick(10);
	AO1_SYNC_L();//使能输入移位寄存器
	delay_tick(10);
	
	for(ui=0; ui<16; ui++)
	{
		
		AO1_SCLK_H();
		
		if(0x8000 == (temp & 0x8000))
		{
			AO1_DIN_H();
		}
		else
		{
			AO1_DIN_L();
		}
		delay_tick(10);
		AO1_SCLK_L();
		delay_tick(10);
		temp <<=1;
	}
	
	AO1_SYNC_H();

}
void ao2_write(uint16_t Data)
{
	uint16_t temp;
	uint8_t	ui;
	
	temp=Data << 2;
	temp &= 0x3FFF;//设置模式为Normal
	AO2_SYNC_H();
	AO2_SCLK_H();
	delay_tick(10);
	AO2_SYNC_L();//使能输入移位寄存器
	delay_tick(10);
	
	for(ui=0; ui<16; ui++)
	{
		
		AO2_SCLK_H();
		
		if(0x8000 == (temp & 0x8000))
		{
			AO2_DIN_H();
		}
		else
		{
			AO2_DIN_L();
		}
		delay_tick(10);
		AO2_SCLK_L();
		delay_tick(10);
		temp <<=1;
	}
	
	AO2_SYNC_H();
}

void ao1_set(float current)
{
	uint16_t data = 0;
	current = current * 100;//电流转为电压
	data = (current * 4096) / 3300;
	cnum = data;
	ao1_write(data);
}


void ao2_set(float current)
{
	uint16_t data = 0;
	current = current * 100;//电流转为电压
	data = (current * 4096) / 3300;
	ao2_write(data);
}