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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ARM7_STR75x_IAR/] [STLibrary/] [inc/] [75x_dma.h] - Rev 585
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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****/
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