91x_ssp.h

STR912 arm9实现的以太网通信程序

/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : 91x_ssp.h
* Author             : MCD Application Team
* Version            : V2.0
* Date               : 12/07/2007
* Description        : This file contains all the functions prototypes for the
*                      SSP firmware library.
********************************************************************************
* 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 __91x_SSP_H
#define __91x_SSP_H

/* Includes ------------------------------------------------------------------*/
#include "91x_map.h"

/* Exported types ------------------------------------------------------------*/
/* SSP Init structure definition */
typedef struct
{
  u16 SSP_FrameFormat ;
  u16 SSP_Mode ;	
  u16 SSP_CPOL ;
  u16 SSP_CPHA ;
  u16 SSP_DataSize ;
  u16 SSP_SlaveOutput ;	
  u8 SSP_ClockRate ;
  u8 SSP_ClockPrescaler ;
}SSP_InitTypeDef;

/* Exported constants --------------------------------------------------------*/
/* SSP Frame Format Select */
#define SSP_FrameFormat_TI         0x0010
#define SSP_FrameFormat_Motorola   0xFFCF
#define SSP_FrameFormat_Microwire  0x0020

/* SSP Master/Slave Select */
#define SSP_Mode_Master   0xFFFB
#define SSP_Mode_Slave    0x0004

/* SSP Clock Polarity */
#define SSP_CPOL_Low    0xFFBF
#define SSP_CPOL_High   0x0040

/* SSP Clock Phase */
#define SSP_CPHA_1Edge   0xFF7F
#define SSP_CPHA_2Edge   0x0080

/* SSP Data Size */
#define SSP_DataSize_16b   0x000F
#define SSP_DataSize_15b   0x000E
#define SSP_DataSize_14b   0x000D
#define SSP_DataSize_13b   0x000C
#define SSP_DataSize_12b   0x000B
#define SSP_DataSize_11b   0x000A
#define SSP_DataSize_10b   0x0009
#define SSP_DataSize_9b	   0x0008
#define SSP_DataSize_8b	   0x0007
#define SSP_DataSize_7b    0x0006
#define SSP_DataSize_6b	   0x0005
#define SSP_DataSize_5b    0x0004
#define SSP_DataSize_4b	   0x0003

/* SSP Slave output config */
#define SSP_SlaveOutput_Enable   0xFFF7
#define SSP_SlaveOutput_Disable  0x0008

/* SSP Interrupts */
#define SSP_IT_TxFifo	    0x0008
#define SSP_IT_RxFifo	    0x0004
#define SSP_IT_RxTimeOut    0x0002
#define SSP_IT_RxOverrun    0x0001

/* SSP Flags */
#define SSP_FLAG_Busy	         0x0024
#define SSP_FLAG_RxFifoFull	 0x0023
#define SSP_FLAG_RxFifoNotEmpty	 0x0022
#define SSP_FLAG_TxFifoNotFull	 0x0021
#define SSP_FLAG_TxFifoEmpty	 0x0020
#define SSP_FLAG_TxFifo	         0x0043
#define SSP_FLAG_RxFifo	         0x0042
#define SSP_FLAG_RxTimeOut	 0x0041
#define SSP_FLAG_RxOverrun	 0x0040

/* SSP DMA Requests */
#define SSP_DMA_Transmit  0x0002
#define SSP_DMA_Receive   0x0001

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

void SSP_DeInit(SSP_TypeDef* SSPx);
void SSP_Init(SSP_TypeDef* SSPx, SSP_InitTypeDef* SSP_InitStruct);
void SSP_StructInit(SSP_InitTypeDef* SSP_InitStruct);
void SSP_Cmd(SSP_TypeDef* SSPx, FunctionalState NewState);
void SSP_ITConfig(SSP_TypeDef* SSPx, u16 SSP_IT, FunctionalState NewState);
void SSP_DMACmd(SSP_TypeDef* SSPx, u16 SSP_DMATransfert, FunctionalState NewState);
void SSP_SendData(SSP_TypeDef* SSPx, u16 Data);
u16 SSP_ReceiveData(SSP_TypeDef* SSPx);
void SSP_LoopBackConfig(SSP_TypeDef* SSPx, FunctionalState NewState);
FlagStatus SSP_GetFlagStatus(SSP_TypeDef* SSPx, u16 SSP_FLAG);
void SSP_ClearFlag(SSP_TypeDef* SSPx, u16 SSP_FLAG);
ITStatus SSP_GetITStatus(SSP_TypeDef* SSPx, u16 SSP_IT);
void SSP_ClearITPendingBit(SSP_TypeDef* SSPx, u16 SSP_IT);

#endif /* __91x_SSP_H */

/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/