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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************

* File Name          : 75x_dma.h

* Author             : MCD Application Team

* Date First Issued  : 03/10/2006

* Description        : This file contains all the functions prototypes for the

*                      DMA software library.

********************************************************************************

* History:

* 07/17/2006 : V1.0

* 03/10/2006 : V0.1

********************************************************************************

* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.

* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,

* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE

* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING

* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

*******************************************************************************/

/* Define to prevent recursive inclusion ------------------------------------ */

#ifndef __75x_DMA_H

#define __75x_DMA_H

/* Includes ------------------------------------------------------------------*/

#include "75x_map.h"

/* Exported types ------------------------------------------------------------*/

/* DMA Init structure definition */

typedef struct

{

  u32 DMA_SRCBaseAddr;

  u32 DMA_DSTBaseAddr;

  u16 DMA_BufferSize;

  u16 DMA_SRC;

  u16 DMA_DST;

  u16 DMA_SRCSize;

  u16 DMA_SRCBurst;

  u16 DMA_DSTSize;

  u16 DMA_Mode;

  u16 DMA_M2M;

  u16 DMA_DIR;

}DMA_InitTypeDef;

/* Exported constants --------------------------------------------------------*/

/* DMA interrupt Mask */

#define DMA_IT_SI0    0x0001

#define DMA_IT_SI1    0x0002

#define DMA_IT_SI2    0x0004

#define DMA_IT_SI3    0x0008

#define DMA_IT_SE0    0x0010

#define DMA_IT_SE1    0x0020

#define DMA_IT_SE2    0x0040

#define DMA_IT_SE3    0x0080

#define DMA_IT_ALL    0x00FF

/* DMA Flags */

#define DMA_FLAG_SI0     0x0001

#define DMA_FLAG_SI1     0x0002

#define DMA_FLAG_SI2     0x0004

#define DMA_FLAG_SI3     0x0008

#define DMA_FLAG_SE0     0x0010

#define DMA_FLAG_SE1     0x0020

#define DMA_FLAG_SE2     0x0040

#define DMA_FLAG_SE3     0x0080

#define DMA_FLAG_ACT0    0x0100

#define DMA_FLAG_ACT1    0x0200

#define DMA_FLAG_ACT2    0x0400

#define DMA_FLAG_ACT3    0x0800

/* DMA Increment Current Source Register */

#define DMA_SRC_INCR        0x0002

#define DMA_SRC_NOT_INCR    0xFFFD

/* DMA Increment Current Destination Register */

#define DMA_DST_INCR        0x0004

#define DMA_DST_NOT_INCR    0xFFFB

/* Source to DMA data width */

#define DMA_SRCSize_Byte        0x0000

#define DMA_SRCSize_HalfWord    0x0008

#define DMA_SRCSize_Word        0x0010

/* DMA source burst size */

#define DMA_SRCBurst_1Data     0x0000

#define DMA_SRCBurst_4Data     0x0020

#define DMA_SRCBurst_8Data     0x0040

#define DMA_SRCBurst_16Data    0x0060

/* DMA destination data width */

#define DMA_DSTSize_Byte        0x0000

#define DMA_DSTSize_HalfWord    0x0080

#define DMA_DSTSize_Word        0x0100

/* DMA mode */

#define DMA_Mode_Circular    0x0200

#define DMA_Mode_Normal      0xFDFF

/* Memory to Memory Transfer */

#define DMA_M2M_Enable     0x0800

#define DMA_M2M_Disable    0xF7FF

/* Direction Transfer */

#define DMA_DIR_PeriphDST    0x2000

#define DMA_DIR_PeriphSRC    0xDFFF

/* DMA streamx Registers */

#define DMA_SOURCEL   0x00000000  /* source base address low register */

#define DMA_SOURCEH   0x00000004  /* source base address high register */

#define DMA_DESTL     0x00000008  /* destination base address low register */

#define DMA_DESTH     0x0000000C  /* destination base address high register */

#define DMA_MAX       0x00000010  /* Maximum count register */

#define DMA_CTRL      0x00000014  /* Control register */

#define DMA_SOCURRH   0x00000018  /* Current Source address high register */

#define DMA_SOCURRL   0x0000001C  /* Current Source address low register */

#define DMA_DECURRH   0x00000020  /* Current Destination address high register */

#define DMA_DECURRL   0x00000024  /* Current Destination address low register */

#define DMA_TCNT      0x00000028  /* Terminal Counter Register */

#define DMA_LUBUFF    0x0000002C  /* Last Used Buffer location */

/* Exported macro ------------------------------------------------------------*/

/* Exported functions ------------------------------------------------------- */

void DMA_DeInit(DMA_Stream_TypeDef* DMA_Streamx);

void DMA_Init(DMA_Stream_TypeDef* DMA_Streamx, DMA_InitTypeDef* DMA_InitStruct);

void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct);

void DMA_Cmd(DMA_Stream_TypeDef* DMA_Streamx, FunctionalState NewState);

void DMA_ITConfig(u16 DMA_IT, FunctionalState NewState);

u32 DMA_GetCurrDSTAddr(DMA_Stream_TypeDef* DMA_Streamx);

u32 DMA_GetCurrSRCAddr(DMA_Stream_TypeDef* DMA_Streamx);

u16 DMA_GetTerminalCounter(DMA_Stream_TypeDef* DMA_Streamx);

void DMA_LastBufferSweepConfig(DMA_Stream_TypeDef* DMA_Streamx, FunctionalState NewState);

void DMA_LastBufferAddrConfig(DMA_Stream_TypeDef* DMA_Streamx, u16 DMA_LastBufferAddr);

FlagStatus DMA_GetFlagStatus(u16 DMA_FLAG);

void DMA_ClearFlag(u16 DMA_FLAG);

ITStatus DMA_GetITStatus(u16 DMA_IT);

void DMA_ClearITPendingBit(u16 DMA_IT);

#endif /* __75x_DMA_H */

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/