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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// File name : dac_drv.h
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// Version : V0.1
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#ifndef __DAC_DRV_H__
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#define __DAC_DRV_H__
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#include "dac_reg.h"
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//#include "test_demo.h"
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#ifdef DAC_DEMO
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#define DAC_SYSTICK_INT
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#define DAC_DMA_INT
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#endif
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typedef enum _DAC_DATA_FORMAT_
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{
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LEFTALIGNED_8BITS = 0,
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LEFTALIGNED_12BITS,
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RIGHTALIGNED_8BITS,
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RIGHTALIGNED_12BITS
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}DAC_DATA_FORMAT;
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typedef enum _DAC_TRIGGER_SEL_
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{
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TRIGGER_SOFTWARE = 0,
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TRIGGER_EXTERNAL,
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TRIGGER_PIT
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}DAC_TRIGGER_SEL;
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typedef enum _DAC_EXT_TMOD_
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{
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MOD_RESERVED = 0,
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DET_ON_RISING = 1,
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DET_ON_FALLING,
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DET_ON_BOTH,
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DET_ON_HIGH,
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DET_ON_LOW
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}DAC_EXT_TMOD;
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/*******************************************************************************
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* Function Name : DAC_Init
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* Description : DAC初始化
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* Input : -data_format:
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* LEFTALIGNED_8BITS：8bits左对齐
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* LEFTALIGNED_12BITS：12bits左对齐
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* RIGHTALIGNED_8BITS：8bits右对齐
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* RIGHTALIGNED_12BITS：12bits右对齐
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* -trigger_select:
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* TRIGGER_SOFTWARE：软件触发
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* TRIGGER_EXTERNAL：外部触发(SS_SPI6)
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* TRIGGER_PIT：定时器触发(PIT2)
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* -external_mode:
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* DET_ON_RISING：外部触发方式为上升沿
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* DET_ON_FALLING：外部触发方式为下降沿触发
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* DET_ON_BOTH：外部触发方式为双沿触发
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* DET_ON_HIGH：外部触发方式为高电平触发
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* DET_ON_LOW：外部触发方式为低电平触发
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* Output : None
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* Return : None
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******************************************************************************/
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extern void DAC_Init(DAC_DATA_FORMAT data_format, DAC_TRIGGER_SEL trigger_select, DAC_EXT_TMOD external_mode);
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/*******************************************************************************
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* Function Name : DAC_Start
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* Description : DAC启动
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* Input : -trigger_select:
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* TRIGGER_SOFTWARE：软件触发
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* TRIGGER_EXTERNAL：外部触发(SS_SPI6)
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* TRIGGER_PIT：定时器触发(PIT2)
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* Output : None
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* Return : None
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******************************************************************************/
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extern void DAC_Start(DAC_TRIGGER_SEL trigger_select,unsigned int rate);
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/*******************************************************************************
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* Function Name : DAC_Wait_Load_Done
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* Description : DAC等待数据完成
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* Input : None
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* Output : None
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* Return : None
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******************************************************************************/
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extern void DAC_Wait_Load_Done(void);
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extern void DAC_Wait_Load_Cear(void);
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extern void DAC_SW_Trig(void);
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extern void Send_DAC_data(unsigned short data);
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extern void DAC_Systick_ISR(void);
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extern void DAC_close(void);
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extern void DAC_Write_Data(UINT16 data);
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#endif /* __DAC_DRV_H__ */
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