#ifndef __SPI_H__
#define __SPI_H__
#include "common.h"
/** @addtogroup bat32g135_StdPeriph_Driver
* @{
*/
#define IS_SPI_ALL_PERIPH(PERIPH) ((PERIPH) == SPIHS0 || (PERIPH) == SPIHS1 )
/** @addtogroup SPI
* @{
*/
#define _0001_SPI_UNDER_EXECUTE 0x0001
#define _0002_SPI_VALID_STORED 0x0002
#define SPI0_WRDR (SPIHS0->SDRO)
#define SPI0_RDDR (SPIHS0->SDRI)
#define SPI0_BUSY (SPIHS0->SPIS & _0001_SPI_UNDER_EXECUTE)
#define SPI0_RRDY (SPIHS0->SPIS & _0002_SPI_VALID_STORED)
#define SPI1_WRDR (SPIHS1->SDRO)
#define SPI1_RDDR (SPIHS1->SDRI)
#define SPI1_BUSY (SPIHS1->SPIS & _0001_SPI_UNDER_EXECUTE)
#define SPI1_RRDY (SPIHS1->SPIS & _0002_SPI_VALID_STORED)
typedef void (*NSS_Func)(void);
typedef struct
{
void(*Active)(void);
void(*Inactive)(void);
}NSS_FUNC_T;
extern NSS_FUNC_T NSS;
/* Exported types ------------------------------------------------------------*/
/**
* @brief SPI Init structure definition
*/
typedef struct
{
uint8_t SPI_Mode; /*!< Specifies the SPI operating mode.
This parameter can be a value of @ref SPI_mode */
uint8_t SPI_DataSize; /*!< Specifies the SPI data size.
This parameter can be a value of @ref SPI_data_size */
uint8_t SPI_CPOL; /*!< Specifies the serial clock steady state.
This parameter can be a value of @ref SPI_Clock_Polarity */
uint8_t SPI_CPHA; /*!< Specifies the clock active edge for the bit capture.
This parameter can be a value of @ref SPI_Clock_Phase */
uint8_t SPI_NSS; /*!< Specifies whether the NSS signal is managed by
hardware (NSS pin) or by software using the SSI bit.
This parameter can be a value of @ref SPI_Slave_Select_management */
uint8_t SPI_BaudRatePrescaler; /*!< 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. */
uint8_t SPI_FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
This parameter can be a value of @ref SPI_MSB_LSB_transmission */
}SPI_InitTypeDef;
/** @defgroup SPI_mode
* @{
*/
#define SPI_Mode_Master ((uint8_t)0x40)
#define SPI_Mode_Slave ((uint8_t)0x00)
#define IS_SPI_MODE(MODE) (((MODE) == SPI_Mode_Master) || \
((MODE) == SPI_Mode_Slave))
/**
* @}
*/
/** @defgroup SPI_data_size
* @{
*/
#define SPI_DataSize_bit ((uint8_t)0x02)
#define SPI_DataSize_16b ((uint8_t)0x04)
#define SPI_DataSize_8b ((uint8_t)0x00)
#define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DataSize_16b) || \
((DATASIZE) == SPI_DataSize_8b))
/**
* @}
*/
/** @defgroup SPI_Clock_Polarity
* @{
*/
#define SPI_CPOL_Bit ((uint8_t)0x04)
#define SPI_CPOL_Low ((uint8_t)0x00)
#define SPI_CPOL_High ((uint8_t)0x10)
#define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_CPOL_Low) || \
((CPOL) == SPI_CPOL_High))
/**
* @}
*/
/** @defgroup SPI_Clock_Phase
* @{
*/
#define SPI_CPHA_Bit ((uint8_t)0x03)
#define SPI_CPHA_1Edge ((uint8_t)0x00)
#define SPI_CPHA_2Edge ((uint8_t)0x08)
#define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_CPHA_1Edge) || \
((CPHA) == SPI_CPHA_2Edge))
/**
* @}
*/
/** @defgroup SPI_Slave_Select_management
* @{
*/
#define SPI_NSS_Bit ((uint8_t)0x05)
#define SPI_NSS_Soft ((uint8_t)0x00)
#define SPI_NSS_Hard ((uint8_t)0x20)
#define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_Soft) || \
((NSS) == SPI_NSS_Hard))
/**
* @}
*/
/** @defgroup SPI_BaudRate_Prescaler
* @{
*/
#define SPI_BaudRatePrescaler_0 ((uint8_t)0x00)
#define SPI_BaudRatePrescaler_2 ((uint8_t)0x01)
#define SPI_BaudRatePrescaler_4 ((uint8_t)0x02)
#define SPI_BaudRatePrescaler_8 ((uint8_t)0x03)
#define SPI_BaudRatePrescaler_16 ((uint8_t)0x04)
#define SPI_BaudRatePrescaler_32 ((uint8_t)0x05)
#define SPI_BaudRatePrescaler_64 ((uint8_t)0x06)
#define SPI_BaudRatePrescaler_Ext ((uint8_t)0x07)
#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BaudRatePrescaler_0) || \
((PRESCALER) == SPI_BaudRatePrescaler_2) || \
((PRESCALER) == SPI_BaudRatePrescaler_4) || \
((PRESCALER) == SPI_BaudRatePrescaler_8) || \
((PRESCALER) == SPI_BaudRatePrescaler_16) || \
((PRESCALER) == SPI_BaudRatePrescaler_32) || \
((PRESCALER) == SPI_BaudRatePrescaler_64) || \
((PRESCALER) == SPI_BaudRatePrescaler_Ext))
/**
* @}
*/
/** @defgroup SPI_MSB_LSB_transmission
* @{s
*/
#define SPI_FirstBit_Bit ((uint8_t)0x04)
#define SPI_FirstBit_MSB ((uint8_t)0x00)
#define SPI_FirstBit_LSB ((uint8_t)0x10)
#define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FirstBit_MSB) || \
((BIT) == SPI_FirstBit_LSB))
/**
* @}
*/
/** @defgroup SPI_direction_transmit_receive
* @{
*/
#define SPI_Direction_Rx ((uint8_t)0xBF)
#define SPI_Direction_TxRx ((uint8_t)0x40)
#define IS_SPI_DIRECTION(DIRECTION) (((DIRECTION) == SPI_Direction_Rx) || \
((DIRECTION) == SPI_Direction_TxRx))
/**
* @}
*/
/** @defgroup SPI_flags_definition
* @{
*/
#define SPI_FLAG_RXNE ((uint8_t)0x02)
#define SPI_FLAG_RUNNING ((uint8_t)0x01)
#define IS_SPI_GET_FLAG(FLAG) ((((FLAG) & (uint16_t)0xFC) == 0x00) && ((FLAG) != (uint16_t)0x00))
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/* Function used to set the SPI configuration to the default reset state *****/
void SPI_DeInit(SPI_Type* SPIx);
/* Initialization and Configuration functions *********************************/
void SPI_Init(SPI_Type* SPIx,SPI_InitTypeDef* SPI_InitStruct);
void SPI_Cmd(SPI_Type* SPIx,FunctionalState NewState);
void SPI_DataSizeConfig(SPI_Type* SPIx,uint8_t SPI_DataSize);
void SPI_BiDirectionalLineConfig(SPI_Type* SPIx,uint8_t SPI_Direction);
/* Data transfers functions ***************************************************/
uint16_t SPI_ReceiveData(SPI_Type* SPIx);
void SPI_SendData(SPI_Type* SPIx,uint16_t Data);
uint8_t SPI_TransmitByte(SPI_Type* SPIx,uint8_t Data);
uint8_t SPI_ReceiveByte(SPI_Type* SPIx);
uint16_t SPI_TransmitWord(SPI_Type* SPIx,uint16_t Data);
/* Interrupts and flags management functions **********************************/
FlagStatus SPI_GetFlagStatus(SPI_Type* SPIx,uint8_t SPI_FLAG);
#endif