/*
 * Copyright 2016, yichip Semiconductor(shenzhen office)
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Yichip Semiconductor;
 * the contents of this file may not be disclosed to third parties, copied
 * or duplicated in any form, in whole or in part, without the prior
 * written permission of Yichip Semiconductor.
 */

  /** @file
 *
 * spi support for application
 */
#ifndef _SPI_H_
#define _SPI_H_
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include "yc11xx.h"
#include "yc_drv_common.h"

/** @
  * @defgroup SPI_Mode 
  */ 
#define SPI_Mode_Four_Wire                 	4
#define SPI_Mode_Three_Wire			3
#define SPI_Mode_Two_Wire			2

#define IS_SPI_MODE(MODE) 		(((MODE) == SPI_Mode_Two_Wire) || \
                                    	((MODE) == SPI_Mode_Three_Wire)) || \
                                    	((MODE) == SPI_Mode_Four_Wire)


/** @
  * @defgroup SPI_CPOL 
  */ 
#define SPI_CPOL_Active_High                 	((uint8_t)0<<4)
#define SPI_CPOL_Active_Low			((uint8_t)1<<4)

#define IS_SPI_CPOL(CPOL) 		(((CPOL) == SPI_CPOL_Active_High) || \
                                    	((CPOL) == SPI_CPOL_Active_Low))


/** @
  * @defgroup SPI_CPHA 
  */ 
#define SPI_CPHA_First_Edge			((uint8_t)0<<5)
#define SPI_CPHA_Second_Edge		((uint8_t)1<<5)

#define IS_SPI_CPHA(CPHA) 		(((CPHA) == SPI_CPHA_First_Edge) || \
                                    	((CPHA) == SPI_CPHA_Second_Edge))



/** @
  * @defgroup SPI_BaudSpeed 
  */ 
 
 #define SPI_BAUDSPEED_2MHz			4
#define SPI_BAUDSPEED_750KHz		5
#define SPI_BAUDSPEED_375KHz		6
#define SPI_BAUDSPEED_187KHz		7
#define IS_SPI_BAUDSPEED(BAUDSPEED) 		(((BAUDSPEED) >=SPI_BAUDSPEED_2MHz)  &&  ((BAUDSPEED) <= SPI_BAUDSPEED_187KHz))


/** @defgroup  SPI_TXLen   
  * @{
  */ 
#define IS_SPI_TXLen(TxLen)       (TxLen != 0)
/**
  * @}
  */ 


/** @defgroup  SPI_RXlen   
  * @{
  */ 
#define IS_SPI_RXLen(RxLen)         (RxLen != 0)
/**
  * @}
  */ 


/** 
  * @brief  SPI Init structure definition  
  */

typedef struct
{
  uint16_t SPI_Mode;                /*!< Specifies the SPI operating mode.
                                         This parameter can be a value of @ref SPI_mode */
                                         
   uint16_t SPI_CPOL;                /*!< Specifies the serial clock steady state.
                                         This parameter can be a value of @ref SPI_Clock_Polarity */

  uint16_t SPI_CPHA;                /*!< Specifies the clock active edge for the bit capture.
                                         This parameter can be a value of @ref SPI_Clock_Phase */
  
  uint16_t SPI_BaudSpeed;   /*!< Specifies the Baud Rate prescaler value which will be
                                         used to configure the transmit and receive SCK clock.
                                         This parameter can be a value of @ref SPI_BaudRate_Prescaler.
                                         @note The communication clock is derived from the master
                                               clock. The slave clock does not need to be set. */
  uint16_t SPI_TXLen; /*!< Specifies Tx DMA buff len */
  
  uint16_t SPI_RXlen; /*!< Specifies Rx DMA buff len */ 
}SPI_InitTypeDef;


void SPI_Init(SPI_InitTypeDef* SPI_InitStruct);

void SPI_DeInit(void);

void SPI_SendData(uint16_t Data);

uint16_t SPI_ReadRegister(uint16_t RegAdr);

void SPI_SendDataFromBuff(uint8_t *Buff, uint16_t Len);

void SPI_ReceiveDataToBuff(uint8_t *TxBuff, uint16_t TxLen, uint8_t *RxBuff, uint16_t RxLen);
void SPI_ReceiveDataToBuff2(uint8_t *TxBuff, uint16_t TxLen, uint8_t *RxBuff, uint16_t RxLen);

void SPI_SendDataFromBuffWithoutDMAdone(uint8_t *Buff, uint16_t Len);

bool SPI_WaitDone(void);


#endif /* _SPI_H_ */