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STM32F072-Template/Libraries/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_spi.h

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/**
******************************************************************************
* @file stm32f0xx_spi.h
* @author MCD Application Team
* @version V1.5.1
* @date 13-October-2021
* @brief This file contains all the functions prototypes for the SPI
* firmware library.
******************************************************************************
* @attention
*
* Copyright (c) 2014 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F0XX_SPI_H
#define __STM32F0XX_SPI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"
/** @addtogroup STM32F0xx_StdPeriph_Driver
* @{
*/
/** @addtogroup SPI
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief SPI Init structure definition
*/
typedef struct
{
uint16_t SPI_Direction; /*!< Specifies the SPI unidirectional or bidirectional data mode.
This parameter can be a value of @ref SPI_data_direction */
uint16_t SPI_Mode; /*!< Specifies the SPI mode (Master/Slave).
This parameter can be a value of @ref SPI_mode */
uint16_t SPI_DataSize; /*!< Specifies the SPI data size.
This parameter can be a value of @ref SPI_data_size */
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_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 */
uint16_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. */
uint16_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 */
uint16_t SPI_CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation. */
}SPI_InitTypeDef;
/**
* @brief I2S Init structure definition
* @note These parameters are not available for STM32F030 devices.
*/
typedef struct
{
uint16_t I2S_Mode; /*!< Specifies the I2S operating mode.
This parameter can be a value of @ref SPI_I2S_Mode */
uint16_t I2S_Standard; /*!< Specifies the standard used for the I2S communication.
This parameter can be a value of @ref SPI_I2S_Standard */
uint16_t I2S_DataFormat; /*!< Specifies the data format for the I2S communication.
This parameter can be a value of @ref SPI_I2S_Data_Format */
uint16_t I2S_MCLKOutput; /*!< Specifies whether the I2S MCLK output is enabled or not.
This parameter can be a value of @ref SPI_I2S_MCLK_Output */
uint32_t I2S_AudioFreq; /*!< Specifies the frequency selected for the I2S communication.
This parameter can be a value of @ref SPI_I2S_Audio_Frequency */
uint16_t I2S_CPOL; /*!< Specifies the idle state of the I2S clock.
This parameter can be a value of @ref SPI_I2S_Clock_Polarity */
}I2S_InitTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup SPI_Exported_Constants
* @{
*/
#define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \
((PERIPH) == SPI2))
#define IS_SPI_1_PERIPH(PERIPH) (((PERIPH) == SPI1))
/** @defgroup SPI_data_direction
* @{
*/
#define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
#define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
#define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
#define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
#define IS_SPI_DIRECTION_MODE(MODE) (((MODE) == SPI_Direction_2Lines_FullDuplex) || \
((MODE) == SPI_Direction_2Lines_RxOnly) || \
((MODE) == SPI_Direction_1Line_Rx) || \
((MODE) == SPI_Direction_1Line_Tx))
/**
* @}
*/
/** @defgroup SPI_mode
* @{
*/
#define SPI_Mode_Master ((uint16_t)0x0104)
#define SPI_Mode_Slave ((uint16_t)0x0000)
#define IS_SPI_MODE(MODE) (((MODE) == SPI_Mode_Master) || \
((MODE) == SPI_Mode_Slave))
/**
* @}
*/
/** @defgroup SPI_data_size
* @{
*/
#define SPI_DataSize_4b ((uint16_t)0x0300)
#define SPI_DataSize_5b ((uint16_t)0x0400)
#define SPI_DataSize_6b ((uint16_t)0x0500)
#define SPI_DataSize_7b ((uint16_t)0x0600)
#define SPI_DataSize_8b ((uint16_t)0x0700)
#define SPI_DataSize_9b ((uint16_t)0x0800)
#define SPI_DataSize_10b ((uint16_t)0x0900)
#define SPI_DataSize_11b ((uint16_t)0x0A00)
#define SPI_DataSize_12b ((uint16_t)0x0B00)
#define SPI_DataSize_13b ((uint16_t)0x0C00)
#define SPI_DataSize_14b ((uint16_t)0x0D00)
#define SPI_DataSize_15b ((uint16_t)0x0E00)
#define SPI_DataSize_16b ((uint16_t)0x0F00)
#define IS_SPI_DATA_SIZE(SIZE) (((SIZE) == SPI_DataSize_4b) || \
((SIZE) == SPI_DataSize_5b) || \
((SIZE) == SPI_DataSize_6b) || \
((SIZE) == SPI_DataSize_7b) || \
((SIZE) == SPI_DataSize_8b) || \
((SIZE) == SPI_DataSize_9b) || \
((SIZE) == SPI_DataSize_10b) || \
((SIZE) == SPI_DataSize_11b) || \
((SIZE) == SPI_DataSize_12b) || \
((SIZE) == SPI_DataSize_13b) || \
((SIZE) == SPI_DataSize_14b) || \
((SIZE) == SPI_DataSize_15b) || \
((SIZE) == SPI_DataSize_16b))
/**
* @}
*/
/** @defgroup SPI_CRC_length
* @{
*/
#define SPI_CRCLength_8b ((uint16_t)0x0000)
#define SPI_CRCLength_16b SPI_CR1_CRCL
#define IS_SPI_CRC_LENGTH(LENGTH) (((LENGTH) == SPI_CRCLength_8b) || \
((LENGTH) == SPI_CRCLength_16b))
/**
* @}
*/
/** @defgroup SPI_Clock_Polarity
* @{
*/
#define SPI_CPOL_Low ((uint16_t)0x0000)
#define SPI_CPOL_High SPI_CR1_CPOL
#define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_CPOL_Low) || \
((CPOL) == SPI_CPOL_High))
/**
* @}
*/
/** @defgroup SPI_Clock_Phase
* @{
*/
#define SPI_CPHA_1Edge ((uint16_t)0x0000)
#define SPI_CPHA_2Edge SPI_CR1_CPHA
#define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_CPHA_1Edge) || \
((CPHA) == SPI_CPHA_2Edge))
/**
* @}
*/
/** @defgroup SPI_Slave_Select_management
* @{
*/
#define SPI_NSS_Soft SPI_CR1_SSM
#define SPI_NSS_Hard ((uint16_t)0x0000)
#define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_Soft) || \
((NSS) == SPI_NSS_Hard))
/**
* @}
*/
/** @defgroup SPI_BaudRate_Prescaler
* @{
*/
#define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
#define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
#define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
#define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
#define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
#define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
#define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
#define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((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_128) || \
((PRESCALER) == SPI_BaudRatePrescaler_256))
/**
* @}
*/
/** @defgroup SPI_MSB_LSB_transmission
* @{
*/
#define SPI_FirstBit_MSB ((uint16_t)0x0000)
#define SPI_FirstBit_LSB SPI_CR1_LSBFIRST
#define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FirstBit_MSB) || \
((BIT) == SPI_FirstBit_LSB))
/**
* @}
*/
/** @defgroup SPI_I2S_Mode
* @{
*/
#define I2S_Mode_SlaveTx ((uint16_t)0x0000)
#define I2S_Mode_SlaveRx ((uint16_t)0x0100)
#define I2S_Mode_MasterTx ((uint16_t)0x0200)
#define I2S_Mode_MasterRx ((uint16_t)0x0300)
#define IS_I2S_MODE(MODE) (((MODE) == I2S_Mode_SlaveTx) || \
((MODE) == I2S_Mode_SlaveRx) || \
((MODE) == I2S_Mode_MasterTx)|| \
((MODE) == I2S_Mode_MasterRx))
/**
* @}
*/
/** @defgroup SPI_I2S_Standard
* @{
*/
#define I2S_Standard_Phillips ((uint16_t)0x0000)
#define I2S_Standard_MSB ((uint16_t)0x0010)
#define I2S_Standard_LSB ((uint16_t)0x0020)
#define I2S_Standard_PCMShort ((uint16_t)0x0030)
#define I2S_Standard_PCMLong ((uint16_t)0x00B0)
#define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_Standard_Phillips) || \
((STANDARD) == I2S_Standard_MSB) || \
((STANDARD) == I2S_Standard_LSB) || \
((STANDARD) == I2S_Standard_PCMShort) || \
((STANDARD) == I2S_Standard_PCMLong))
/**
* @}
*/
/** @defgroup SPI_I2S_Data_Format
* @{
*/
#define I2S_DataFormat_16b ((uint16_t)0x0000)
#define I2S_DataFormat_16bextended ((uint16_t)0x0001)
#define I2S_DataFormat_24b ((uint16_t)0x0003)
#define I2S_DataFormat_32b ((uint16_t)0x0005)
#define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DataFormat_16b) || \
((FORMAT) == I2S_DataFormat_16bextended) || \
((FORMAT) == I2S_DataFormat_24b) || \
((FORMAT) == I2S_DataFormat_32b))
/**
* @}
*/
/** @defgroup SPI_I2S_MCLK_Output
* @{
*/
#define I2S_MCLKOutput_Enable SPI_I2SPR_MCKOE
#define I2S_MCLKOutput_Disable ((uint16_t)0x0000)
#define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOutput_Enable) || \
((OUTPUT) == I2S_MCLKOutput_Disable))
/**
* @}
*/
/** @defgroup SPI_I2S_Audio_Frequency
* @{
*/
#define I2S_AudioFreq_192k ((uint32_t)192000)
#define I2S_AudioFreq_96k ((uint32_t)96000)
#define I2S_AudioFreq_48k ((uint32_t)48000)
#define I2S_AudioFreq_44k ((uint32_t)44100)
#define I2S_AudioFreq_32k ((uint32_t)32000)
#define I2S_AudioFreq_22k ((uint32_t)22050)
#define I2S_AudioFreq_16k ((uint32_t)16000)
#define I2S_AudioFreq_11k ((uint32_t)11025)
#define I2S_AudioFreq_8k ((uint32_t)8000)
#define I2S_AudioFreq_Default ((uint32_t)2)
#define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AudioFreq_8k) && \
((FREQ) <= I2S_AudioFreq_192k)) || \
((FREQ) == I2S_AudioFreq_Default))
/**
* @}
*/
/** @defgroup SPI_I2S_Clock_Polarity
* @{
*/
#define I2S_CPOL_Low ((uint16_t)0x0000)
#define I2S_CPOL_High SPI_I2SCFGR_CKPOL
#define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_Low) || \
((CPOL) == I2S_CPOL_High))
/**
* @}
*/
/** @defgroup SPI_FIFO_reception_threshold
* @{
*/
#define SPI_RxFIFOThreshold_HF ((uint16_t)0x0000)
#define SPI_RxFIFOThreshold_QF SPI_CR2_FRXTH
#define IS_SPI_RX_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SPI_RxFIFOThreshold_HF) || \
((THRESHOLD) == SPI_RxFIFOThreshold_QF))
/**
* @}
*/
/** @defgroup SPI_I2S_DMA_transfer_requests
* @{
*/
#define SPI_I2S_DMAReq_Tx SPI_CR2_TXDMAEN
#define SPI_I2S_DMAReq_Rx SPI_CR2_RXDMAEN
#define IS_SPI_I2S_DMA_REQ(REQ) ((((REQ) & (uint16_t)0xFFFC) == 0x00) && ((REQ) != 0x00))
/**
* @}
*/
/** @defgroup SPI_last_DMA_transfers
* @{
*/
#define SPI_LastDMATransfer_TxEvenRxEven ((uint16_t)0x0000)
#define SPI_LastDMATransfer_TxOddRxEven ((uint16_t)0x4000)
#define SPI_LastDMATransfer_TxEvenRxOdd ((uint16_t)0x2000)
#define SPI_LastDMATransfer_TxOddRxOdd ((uint16_t)0x6000)
#define IS_SPI_LAST_DMA_TRANSFER(TRANSFER) (((TRANSFER) == SPI_LastDMATransfer_TxEvenRxEven) || \
((TRANSFER) == SPI_LastDMATransfer_TxOddRxEven) || \
((TRANSFER) == SPI_LastDMATransfer_TxEvenRxOdd) || \
((TRANSFER) == SPI_LastDMATransfer_TxOddRxOdd))
/**
* @}
*/
/** @defgroup SPI_NSS_internal_software_management
* @{
*/
#define SPI_NSSInternalSoft_Set SPI_CR1_SSI
#define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
#define IS_SPI_NSS_INTERNAL(INTERNAL) (((INTERNAL) == SPI_NSSInternalSoft_Set) || \
((INTERNAL) == SPI_NSSInternalSoft_Reset))
/**
* @}
*/
/** @defgroup SPI_CRC_Transmit_Receive
* @{
*/
#define SPI_CRC_Tx ((uint8_t)0x00)
#define SPI_CRC_Rx ((uint8_t)0x01)
#define IS_SPI_CRC(CRC) (((CRC) == SPI_CRC_Tx) || ((CRC) == SPI_CRC_Rx))
/**
* @}
*/
/** @defgroup SPI_direction_transmit_receive
* @{
*/
#define SPI_Direction_Rx ((uint16_t)0xBFFF)
#define SPI_Direction_Tx ((uint16_t)0x4000)
#define IS_SPI_DIRECTION(DIRECTION) (((DIRECTION) == SPI_Direction_Rx) || \
((DIRECTION) == SPI_Direction_Tx))
/**
* @}
*/
/** @defgroup SPI_I2S_interrupts_definition
* @{
*/
#define SPI_I2S_IT_TXE ((uint8_t)0x71)
#define SPI_I2S_IT_RXNE ((uint8_t)0x60)
#define SPI_I2S_IT_ERR ((uint8_t)0x50)
#define IS_SPI_I2S_CONFIG_IT(IT) (((IT) == SPI_I2S_IT_TXE) || \
((IT) == SPI_I2S_IT_RXNE) || \
((IT) == SPI_I2S_IT_ERR))
#define I2S_IT_UDR ((uint8_t)0x53)
#define SPI_IT_MODF ((uint8_t)0x55)
#define SPI_I2S_IT_OVR ((uint8_t)0x56)
#define SPI_I2S_IT_FRE ((uint8_t)0x58)
#define IS_SPI_I2S_GET_IT(IT) (((IT) == SPI_I2S_IT_RXNE) || ((IT) == SPI_I2S_IT_TXE) || \
((IT) == SPI_I2S_IT_OVR) || ((IT) == SPI_IT_MODF) || \
((IT) == SPI_I2S_IT_FRE)|| ((IT) == I2S_IT_UDR))
/**
* @}
*/
/** @defgroup SPI_transmission_fifo_status_level
* @{
*/
#define SPI_TransmissionFIFOStatus_Empty ((uint16_t)0x0000)
#define SPI_TransmissionFIFOStatus_1QuarterFull ((uint16_t)0x0800)
#define SPI_TransmissionFIFOStatus_HalfFull ((uint16_t)0x1000)
#define SPI_TransmissionFIFOStatus_Full ((uint16_t)0x1800)
/**
* @}
*/
/** @defgroup SPI_reception_fifo_status_level
* @{
*/
#define SPI_ReceptionFIFOStatus_Empty ((uint16_t)0x0000)
#define SPI_ReceptionFIFOStatus_1QuarterFull ((uint16_t)0x0200)
#define SPI_ReceptionFIFOStatus_HalfFull ((uint16_t)0x0400)
#define SPI_ReceptionFIFOStatus_Full ((uint16_t)0x0600)
/**
* @}
*/
/** @defgroup SPI_I2S_flags_definition
* @{
*/
#define SPI_I2S_FLAG_RXNE SPI_SR_RXNE
#define SPI_I2S_FLAG_TXE SPI_SR_TXE
#define I2S_FLAG_CHSIDE SPI_SR_CHSIDE
#define I2S_FLAG_UDR SPI_SR_UDR
#define SPI_FLAG_CRCERR SPI_SR_CRCERR
#define SPI_FLAG_MODF SPI_SR_MODF
#define SPI_I2S_FLAG_OVR SPI_SR_OVR
#define SPI_I2S_FLAG_BSY SPI_SR_BSY
#define SPI_I2S_FLAG_FRE SPI_SR_FRE
#define IS_SPI_CLEAR_FLAG(FLAG) (((FLAG) == SPI_FLAG_CRCERR))
#define IS_SPI_I2S_GET_FLAG(FLAG) (((FLAG) == SPI_I2S_FLAG_BSY) || ((FLAG) == SPI_I2S_FLAG_OVR) || \
((FLAG) == SPI_FLAG_MODF) || ((FLAG) == SPI_FLAG_CRCERR) || \
((FLAG) == SPI_I2S_FLAG_TXE) || ((FLAG) == SPI_I2S_FLAG_RXNE)|| \
((FLAG) == SPI_I2S_FLAG_FRE)|| ((FLAG) == I2S_FLAG_CHSIDE)|| \
((FLAG) == I2S_FLAG_UDR))
/**
* @}
*/
/** @defgroup SPI_CRC_polynomial
* @{
*/
#define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) ((POLYNOMIAL) >= 0x1)
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* Initialization and Configuration functions *********************************/
void SPI_I2S_DeInit(SPI_TypeDef* SPIx);
void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct);
void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct); /*!< Not applicable for STM32F030 devices */
void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct);
void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct); /*!< Not applicable for STM32F030 devices */
void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState);
void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState); /*!< Not applicable for STM32F030 devices */
void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize);
void SPI_RxFIFOThresholdConfig(SPI_TypeDef* SPIx, uint16_t SPI_RxFIFOThreshold);
void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction);
void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft);
void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
/* Data transfers functions ***************************************************/
void SPI_SendData8(SPI_TypeDef* SPIx, uint8_t Data);
void SPI_I2S_SendData16(SPI_TypeDef* SPIx, uint16_t Data);
uint8_t SPI_ReceiveData8(SPI_TypeDef* SPIx);
uint16_t SPI_I2S_ReceiveData16(SPI_TypeDef* SPIx);
/* Hardware CRC Calculation functions *****************************************/
void SPI_CRCLengthConfig(SPI_TypeDef* SPIx, uint16_t SPI_CRCLength);
void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState);
void SPI_TransmitCRC(SPI_TypeDef* SPIx);
uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC);
uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx);
/* DMA transfers management functions *****************************************/
void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState);
void SPI_LastDMATransferCmd(SPI_TypeDef* SPIx, uint16_t SPI_LastDMATransfer);
/* Interrupts and flags management functions **********************************/
void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
uint16_t SPI_GetTransmissionFIFOStatus(SPI_TypeDef* SPIx);
uint16_t SPI_GetReceptionFIFOStatus(SPI_TypeDef* SPIx);
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
#ifdef __cplusplus
}
#endif
#endif /*__STM32F0XX_SPI_H */
/**
* @}
*/
/**
* @}
*/
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