luatos-soc-air105/bsp/air105/chip/include/air105_dac.h

/*
 * Copyright (c) 2022 OpenLuat & AirM2M
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


 
#ifndef __AIR105_DAC_H__
#define __AIR105_DAC_H__
 
 
#ifdef __cplusplus
extern "C" {
#endif
	
/* Include ------------------------------------------------------------------*/
#include "air105.h"	


#define DAC_CR1_IS_RUNNING              ((uint32_t)0x20000000)	
#define DAC_CR1_POWER_DOWN              ((uint32_t)0x00000010)		
#define DAC_CR1_FIFO_RESET              ((uint32_t)0x00000008)	
#define DAC_CR1_DMA_ENABLE              ((uint32_t)0x00000004)


#define IS_DAC_DATA(DATA)               ((DATA) <= 0x3FF)	
	

#define DAC_CURR_SEL_MASK               ((uint32_t)0x00000020)		
#define DAC_CURR_SEL_20K                ((uint32_t)0x00000000)	
#define DAC_CURR_SEL_2K                 ((uint32_t)0x00000020)
#define IS_DAC_CURR_SEL(CURR)           (((CURR) == DAC_CURR_SEL_20K) || \
	                                     ((CURR) == DAC_CURR_SEL_2K))

#define IS_DAC_FIFO_THR(THR)            ((THR) <= 0xF)


typedef struct _DAC_InitTypeDef
{
    uint32_t DAC_CurrSel;            /* DAC mode select */
    uint32_t DAC_TimerExp;           /* DAC timer expectation */
    uint32_t DAC_FIFOThr;            /* DAC FIFO Threshold */
} DAC_InitTypeDef;  


#define DAC_FIFO_DEPTH		            (16)
#define DAC_IT_STATUS_SHIFT             (30)

#define DAC_IT_FIFO_THR                 ((uint32_t)0x0002)
#define DAC_IT_FIFO_OVERFLOW            ((uint32_t)0x0001)
#define IS_DAC_IT(IT)                   (((IT) == DAC_IT_FIFO_THR) || \
                                         ((IT) == DAC_IT_FIFO_OVERFLOW))

#define DAC_FLAG_RUNNING                (DAC_CR1_IS_RUNNING)
#define DAC_FLAG_OVERFLOW               ((uint32_t)0x40000000)
#define IS_DAC_FLAG(FLAG)               (((FLAG) == DAC_FLAG_RUNNING) || \
                                         ((FLAG) == DAC_FLAG_OVERFLOW))


/* Exported functions -------------------------------------------------------*/
void DAC_Init(DAC_InitTypeDef *DAC_InitStruct);
void DAC_StructInit(DAC_InitTypeDef *DAC_InitStruct);
void DAC_FIFOReset(void);

void DAC_Cmd(FunctionalState NewState);
void DAC_DMACmd(FunctionalState NewState);

void DAC_SetData(uint16_t Data);

FlagStatus DAC_GetFlagStatus(uint32_t DAC_Flag);
void DAC_ClearFlag(uint32_t DAC_Flag);

void DAC_ITConfig(uint32_t DAC_IT, FunctionalState NewState);
ITStatus DAC_GetITStatus(uint32_t DAC_IT);
void DAC_ClearITPendingBit(uint32_t DAC_IT);


#ifdef __cplusplus
}
#endif	 

#endif	/* __AIR105_DAC_H__ */