DevBugfix Co2 sensor details:
The CO2 sensor could not be selected to enter the details menu. This has been corrected and the enable / disable state is shown in the sensor overview.
line source
/**+ −
******************************************************************************+ −
* @file stm32f4xx_ll_spi.h+ −
* @author MCD Application Team+ −
* @brief Header file of SPI LL module.+ −
******************************************************************************+ −
* @attention+ −
*+ −
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>+ −
*+ −
* Redistribution and use in source and binary forms, with or without modification,+ −
* are permitted provided that the following conditions are met:+ −
* 1. Redistributions of source code must retain the above copyright notice,+ −
* this list of conditions and the following disclaimer.+ −
* 2. Redistributions in binary form must reproduce the above copyright notice,+ −
* this list of conditions and the following disclaimer in the documentation+ −
* and/or other materials provided with the distribution.+ −
* 3. Neither the name of STMicroelectronics nor the names of its contributors+ −
* may be used to endorse or promote products derived from this software+ −
* without specific prior written permission.+ −
*+ −
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"+ −
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE+ −
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE+ −
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE+ −
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL+ −
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR+ −
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER+ −
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,+ −
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+ −
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+ −
*+ −
******************************************************************************+ −
*/+ −
+ −
/* Define to prevent recursive inclusion -------------------------------------*/+ −
#ifndef __STM32F4xx_LL_SPI_H+ −
#define __STM32F4xx_LL_SPI_H+ −
+ −
#ifdef __cplusplus+ −
extern "C" {+ −
#endif+ −
+ −
/* Includes ------------------------------------------------------------------*/+ −
#include "stm32f4xx.h"+ −
+ −
/** @addtogroup STM32F4xx_LL_Driver+ −
* @{+ −
*/+ −
+ −
#if defined (SPI1) || defined (SPI2) || defined (SPI3) || defined (SPI4) || defined (SPI5) || defined(SPI6)+ −
+ −
/** @defgroup SPI_LL SPI+ −
* @{+ −
*/+ −
+ −
/* Private types -------------------------------------------------------------*/+ −
/* Private variables ---------------------------------------------------------*/+ −
/* Private macros ------------------------------------------------------------*/+ −
+ −
/* Exported types ------------------------------------------------------------*/+ −
#if defined(USE_FULL_LL_DRIVER)+ −
/** @defgroup SPI_LL_ES_INIT SPI Exported Init structure+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief SPI Init structures definition+ −
*/+ −
typedef struct+ −
{+ −
uint32_t TransferDirection; /*!< Specifies the SPI unidirectional or bidirectional data mode.+ −
This parameter can be a value of @ref SPI_LL_EC_TRANSFER_MODE.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetTransferDirection().*/+ −
+ −
uint32_t Mode; /*!< Specifies the SPI mode (Master/Slave).+ −
This parameter can be a value of @ref SPI_LL_EC_MODE.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetMode().*/+ −
+ −
uint32_t DataWidth; /*!< Specifies the SPI data width.+ −
This parameter can be a value of @ref SPI_LL_EC_DATAWIDTH.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetDataWidth().*/+ −
+ −
uint32_t ClockPolarity; /*!< Specifies the serial clock steady state.+ −
This parameter can be a value of @ref SPI_LL_EC_POLARITY.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetClockPolarity().*/+ −
+ −
uint32_t ClockPhase; /*!< Specifies the clock active edge for the bit capture.+ −
This parameter can be a value of @ref SPI_LL_EC_PHASE.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetClockPhase().*/+ −
+ −
uint32_t 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_LL_EC_NSS_MODE.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetNSSMode().*/+ −
+ −
uint32_t BaudRate; /*!< Specifies the BaudRate prescaler value which will be used to configure the transmit and receive SCK clock.+ −
This parameter can be a value of @ref SPI_LL_EC_BAUDRATEPRESCALER.+ −
@note The communication clock is derived from the master clock. The slave clock does not need to be set.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetBaudRatePrescaler().*/+ −
+ −
uint32_t BitOrder; /*!< Specifies whether data transfers start from MSB or LSB bit.+ −
This parameter can be a value of @ref SPI_LL_EC_BIT_ORDER.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetTransferBitOrder().*/+ −
+ −
uint32_t CRCCalculation; /*!< Specifies if the CRC calculation is enabled or not.+ −
This parameter can be a value of @ref SPI_LL_EC_CRC_CALCULATION.+ −
+ −
This feature can be modified afterwards using unitary functions @ref LL_SPI_EnableCRC() and @ref LL_SPI_DisableCRC().*/+ −
+ −
uint32_t CRCPoly; /*!< Specifies the polynomial used for the CRC calculation.+ −
This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF.+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_SPI_SetCRCPolynomial().*/+ −
+ −
} LL_SPI_InitTypeDef;+ −
+ −
/**+ −
* @}+ −
*/+ −
#endif /* USE_FULL_LL_DRIVER */+ −
+ −
/* Exported constants --------------------------------------------------------*/+ −
/** @defgroup SPI_LL_Exported_Constants SPI Exported Constants+ −
* @{+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_GET_FLAG Get Flags Defines+ −
* @brief Flags defines which can be used with LL_SPI_ReadReg function+ −
* @{+ −
*/+ −
#define LL_SPI_SR_RXNE SPI_SR_RXNE /*!< Rx buffer not empty flag */+ −
#define LL_SPI_SR_TXE SPI_SR_TXE /*!< Tx buffer empty flag */+ −
#define LL_SPI_SR_BSY SPI_SR_BSY /*!< Busy flag */+ −
#define LL_SPI_SR_CRCERR SPI_SR_CRCERR /*!< CRC error flag */+ −
#define LL_SPI_SR_MODF SPI_SR_MODF /*!< Mode fault flag */+ −
#define LL_SPI_SR_OVR SPI_SR_OVR /*!< Overrun flag */+ −
#define LL_SPI_SR_FRE SPI_SR_FRE /*!< TI mode frame format error flag */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_IT IT Defines+ −
* @brief IT defines which can be used with LL_SPI_ReadReg and LL_SPI_WriteReg functions+ −
* @{+ −
*/+ −
#define LL_SPI_CR2_RXNEIE SPI_CR2_RXNEIE /*!< Rx buffer not empty interrupt enable */+ −
#define LL_SPI_CR2_TXEIE SPI_CR2_TXEIE /*!< Tx buffer empty interrupt enable */+ −
#define LL_SPI_CR2_ERRIE SPI_CR2_ERRIE /*!< Error interrupt enable */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_MODE Operation Mode+ −
* @{+ −
*/+ −
#define LL_SPI_MODE_MASTER (SPI_CR1_MSTR | SPI_CR1_SSI) /*!< Master configuration */+ −
#define LL_SPI_MODE_SLAVE 0x00000000U /*!< Slave configuration */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_PROTOCOL Serial Protocol+ −
* @{+ −
*/+ −
#define LL_SPI_PROTOCOL_MOTOROLA 0x00000000U /*!< Motorola mode. Used as default value */+ −
#define LL_SPI_PROTOCOL_TI (SPI_CR2_FRF) /*!< TI mode */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_PHASE Clock Phase+ −
* @{+ −
*/+ −
#define LL_SPI_PHASE_1EDGE 0x00000000U /*!< First clock transition is the first data capture edge */+ −
#define LL_SPI_PHASE_2EDGE (SPI_CR1_CPHA) /*!< Second clock transition is the first data capture edge */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_POLARITY Clock Polarity+ −
* @{+ −
*/+ −
#define LL_SPI_POLARITY_LOW 0x00000000U /*!< Clock to 0 when idle */+ −
#define LL_SPI_POLARITY_HIGH (SPI_CR1_CPOL) /*!< Clock to 1 when idle */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_BAUDRATEPRESCALER Baud Rate Prescaler+ −
* @{+ −
*/+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV2 0x00000000U /*!< BaudRate control equal to fPCLK/2 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV4 (SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/4 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV8 (SPI_CR1_BR_1) /*!< BaudRate control equal to fPCLK/8 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV16 (SPI_CR1_BR_1 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/16 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV32 (SPI_CR1_BR_2) /*!< BaudRate control equal to fPCLK/32 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV64 (SPI_CR1_BR_2 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/64 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV128 (SPI_CR1_BR_2 | SPI_CR1_BR_1) /*!< BaudRate control equal to fPCLK/128 */+ −
#define LL_SPI_BAUDRATEPRESCALER_DIV256 (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/256 */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_BIT_ORDER Transmission Bit Order+ −
* @{+ −
*/+ −
#define LL_SPI_LSB_FIRST (SPI_CR1_LSBFIRST) /*!< Data is transmitted/received with the LSB first */+ −
#define LL_SPI_MSB_FIRST 0x00000000U /*!< Data is transmitted/received with the MSB first */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_TRANSFER_MODE Transfer Mode+ −
* @{+ −
*/+ −
#define LL_SPI_FULL_DUPLEX 0x00000000U /*!< Full-Duplex mode. Rx and Tx transfer on 2 lines */+ −
#define LL_SPI_SIMPLEX_RX (SPI_CR1_RXONLY) /*!< Simplex Rx mode. Rx transfer only on 1 line */+ −
#define LL_SPI_HALF_DUPLEX_RX (SPI_CR1_BIDIMODE) /*!< Half-Duplex Rx mode. Rx transfer on 1 line */+ −
#define LL_SPI_HALF_DUPLEX_TX (SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE) /*!< Half-Duplex Tx mode. Tx transfer on 1 line */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_NSS_MODE Slave Select Pin Mode+ −
* @{+ −
*/+ −
#define LL_SPI_NSS_SOFT (SPI_CR1_SSM) /*!< NSS managed internally. NSS pin not used and free */+ −
#define LL_SPI_NSS_HARD_INPUT 0x00000000U /*!< NSS pin used in Input. Only used in Master mode */+ −
#define LL_SPI_NSS_HARD_OUTPUT (((uint32_t)SPI_CR2_SSOE << 16U)) /*!< NSS pin used in Output. Only used in Slave mode as chip select */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_DATAWIDTH Datawidth+ −
* @{+ −
*/+ −
#define LL_SPI_DATAWIDTH_8BIT 0x00000000U /*!< Data length for SPI transfer: 8 bits */+ −
#define LL_SPI_DATAWIDTH_16BIT (SPI_CR1_DFF) /*!< Data length for SPI transfer: 16 bits */+ −
/**+ −
* @}+ −
*/+ −
#if defined(USE_FULL_LL_DRIVER)+ −
+ −
/** @defgroup SPI_LL_EC_CRC_CALCULATION CRC Calculation+ −
* @{+ −
*/+ −
#define LL_SPI_CRCCALCULATION_DISABLE 0x00000000U /*!< CRC calculation disabled */+ −
#define LL_SPI_CRCCALCULATION_ENABLE (SPI_CR1_CRCEN) /*!< CRC calculation enabled */+ −
/**+ −
* @}+ −
*/+ −
#endif /* USE_FULL_LL_DRIVER */+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/* Exported macro ------------------------------------------------------------*/+ −
/** @defgroup SPI_LL_Exported_Macros SPI Exported Macros+ −
* @{+ −
*/+ −
+ −
/** @defgroup SPI_LL_EM_WRITE_READ Common Write and read registers Macros+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Write a value in SPI register+ −
* @param __INSTANCE__ SPI Instance+ −
* @param __REG__ Register to be written+ −
* @param __VALUE__ Value to be written in the register+ −
* @retval None+ −
*/+ −
#define LL_SPI_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))+ −
+ −
/**+ −
* @brief Read a value in SPI register+ −
* @param __INSTANCE__ SPI Instance+ −
* @param __REG__ Register to be read+ −
* @retval Register value+ −
*/+ −
#define LL_SPI_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)+ −
/**+ −
* @}+ −
*/+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/* Exported functions --------------------------------------------------------*/+ −
/** @defgroup SPI_LL_Exported_Functions SPI Exported Functions+ −
* @{+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_Configuration Configuration+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Enable SPI peripheral+ −
* @rmtoll CR1 SPE LL_SPI_Enable+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_Enable(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR1, SPI_CR1_SPE);+ −
}+ −
+ −
/**+ −
* @brief Disable SPI peripheral+ −
* @note When disabling the SPI, follow the procedure described in the Reference Manual.+ −
* @rmtoll CR1 SPE LL_SPI_Disable+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_Disable(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR1, SPI_CR1_SPE);+ −
}+ −
+ −
/**+ −
* @brief Check if SPI peripheral is enabled+ −
* @rmtoll CR1 SPE LL_SPI_IsEnabled+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabled(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR1, SPI_CR1_SPE) == (SPI_CR1_SPE));+ −
}+ −
+ −
/**+ −
* @brief Set SPI operation mode to Master or Slave+ −
* @note This bit should not be changed when communication is ongoing.+ −
* @rmtoll CR1 MSTR LL_SPI_SetMode\n+ −
* CR1 SSI LL_SPI_SetMode+ −
* @param SPIx SPI Instance+ −
* @param Mode This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_MODE_MASTER+ −
* @arg @ref LL_SPI_MODE_SLAVE+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetMode(SPI_TypeDef *SPIx, uint32_t Mode)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_MSTR | SPI_CR1_SSI, Mode);+ −
}+ −
+ −
/**+ −
* @brief Get SPI operation mode (Master or Slave)+ −
* @rmtoll CR1 MSTR LL_SPI_GetMode\n+ −
* CR1 SSI LL_SPI_GetMode+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_MODE_MASTER+ −
* @arg @ref LL_SPI_MODE_SLAVE+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetMode(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_MSTR | SPI_CR1_SSI));+ −
}+ −
+ −
/**+ −
* @brief Set serial protocol used+ −
* @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation.+ −
* @rmtoll CR2 FRF LL_SPI_SetStandard+ −
* @param SPIx SPI Instance+ −
* @param Standard This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_PROTOCOL_MOTOROLA+ −
* @arg @ref LL_SPI_PROTOCOL_TI+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetStandard(SPI_TypeDef *SPIx, uint32_t Standard)+ −
{+ −
MODIFY_REG(SPIx->CR2, SPI_CR2_FRF, Standard);+ −
}+ −
+ −
/**+ −
* @brief Get serial protocol used+ −
* @rmtoll CR2 FRF LL_SPI_GetStandard+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_PROTOCOL_MOTOROLA+ −
* @arg @ref LL_SPI_PROTOCOL_TI+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetStandard(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_FRF));+ −
}+ −
+ −
/**+ −
* @brief Set clock phase+ −
* @note This bit should not be changed when communication is ongoing.+ −
* This bit is not used in SPI TI mode.+ −
* @rmtoll CR1 CPHA LL_SPI_SetClockPhase+ −
* @param SPIx SPI Instance+ −
* @param ClockPhase This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_PHASE_1EDGE+ −
* @arg @ref LL_SPI_PHASE_2EDGE+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetClockPhase(SPI_TypeDef *SPIx, uint32_t ClockPhase)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_CPHA, ClockPhase);+ −
}+ −
+ −
/**+ −
* @brief Get clock phase+ −
* @rmtoll CR1 CPHA LL_SPI_GetClockPhase+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_PHASE_1EDGE+ −
* @arg @ref LL_SPI_PHASE_2EDGE+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetClockPhase(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CPHA));+ −
}+ −
+ −
/**+ −
* @brief Set clock polarity+ −
* @note This bit should not be changed when communication is ongoing.+ −
* This bit is not used in SPI TI mode.+ −
* @rmtoll CR1 CPOL LL_SPI_SetClockPolarity+ −
* @param SPIx SPI Instance+ −
* @param ClockPolarity This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_POLARITY_LOW+ −
* @arg @ref LL_SPI_POLARITY_HIGH+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetClockPolarity(SPI_TypeDef *SPIx, uint32_t ClockPolarity)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_CPOL, ClockPolarity);+ −
}+ −
+ −
/**+ −
* @brief Get clock polarity+ −
* @rmtoll CR1 CPOL LL_SPI_GetClockPolarity+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_POLARITY_LOW+ −
* @arg @ref LL_SPI_POLARITY_HIGH+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetClockPolarity(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CPOL));+ −
}+ −
+ −
/**+ −
* @brief Set baud rate prescaler+ −
* @note These bits should not be changed when communication is ongoing. SPI BaudRate = fPCLK/Prescaler.+ −
* @rmtoll CR1 BR LL_SPI_SetBaudRatePrescaler+ −
* @param SPIx SPI Instance+ −
* @param BaudRate This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV2+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV4+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV8+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV16+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV32+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV64+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV128+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV256+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetBaudRatePrescaler(SPI_TypeDef *SPIx, uint32_t BaudRate)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_BR, BaudRate);+ −
}+ −
+ −
/**+ −
* @brief Get baud rate prescaler+ −
* @rmtoll CR1 BR LL_SPI_GetBaudRatePrescaler+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV2+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV4+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV8+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV16+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV32+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV64+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV128+ −
* @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV256+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetBaudRatePrescaler(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_BR));+ −
}+ −
+ −
/**+ −
* @brief Set transfer bit order+ −
* @note This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.+ −
* @rmtoll CR1 LSBFIRST LL_SPI_SetTransferBitOrder+ −
* @param SPIx SPI Instance+ −
* @param BitOrder This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_LSB_FIRST+ −
* @arg @ref LL_SPI_MSB_FIRST+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetTransferBitOrder(SPI_TypeDef *SPIx, uint32_t BitOrder)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_LSBFIRST, BitOrder);+ −
}+ −
+ −
/**+ −
* @brief Get transfer bit order+ −
* @rmtoll CR1 LSBFIRST LL_SPI_GetTransferBitOrder+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_LSB_FIRST+ −
* @arg @ref LL_SPI_MSB_FIRST+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetTransferBitOrder(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_LSBFIRST));+ −
}+ −
+ −
/**+ −
* @brief Set transfer direction mode+ −
* @note For Half-Duplex mode, Rx Direction is set by default.+ −
* In master mode, the MOSI pin is used and in slave mode, the MISO pin is used for Half-Duplex.+ −
* @rmtoll CR1 RXONLY LL_SPI_SetTransferDirection\n+ −
* CR1 BIDIMODE LL_SPI_SetTransferDirection\n+ −
* CR1 BIDIOE LL_SPI_SetTransferDirection+ −
* @param SPIx SPI Instance+ −
* @param TransferDirection This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_FULL_DUPLEX+ −
* @arg @ref LL_SPI_SIMPLEX_RX+ −
* @arg @ref LL_SPI_HALF_DUPLEX_RX+ −
* @arg @ref LL_SPI_HALF_DUPLEX_TX+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetTransferDirection(SPI_TypeDef *SPIx, uint32_t TransferDirection)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_RXONLY | SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE, TransferDirection);+ −
}+ −
+ −
/**+ −
* @brief Get transfer direction mode+ −
* @rmtoll CR1 RXONLY LL_SPI_GetTransferDirection\n+ −
* CR1 BIDIMODE LL_SPI_GetTransferDirection\n+ −
* CR1 BIDIOE LL_SPI_GetTransferDirection+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_FULL_DUPLEX+ −
* @arg @ref LL_SPI_SIMPLEX_RX+ −
* @arg @ref LL_SPI_HALF_DUPLEX_RX+ −
* @arg @ref LL_SPI_HALF_DUPLEX_TX+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetTransferDirection(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_RXONLY | SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE));+ −
}+ −
+ −
/**+ −
* @brief Set frame data width+ −
* @rmtoll CR1 DFF LL_SPI_SetDataWidth+ −
* @param SPIx SPI Instance+ −
* @param DataWidth This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_DATAWIDTH_8BIT+ −
* @arg @ref LL_SPI_DATAWIDTH_16BIT+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetDataWidth(SPI_TypeDef *SPIx, uint32_t DataWidth)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_DFF, DataWidth);+ −
}+ −
+ −
/**+ −
* @brief Get frame data width+ −
* @rmtoll CR1 DFF LL_SPI_GetDataWidth+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_DATAWIDTH_8BIT+ −
* @arg @ref LL_SPI_DATAWIDTH_16BIT+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetDataWidth(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_DFF));+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_CRC_Management CRC Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Enable CRC+ −
* @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation.+ −
* @rmtoll CR1 CRCEN LL_SPI_EnableCRC+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_EnableCRC(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR1, SPI_CR1_CRCEN);+ −
}+ −
+ −
/**+ −
* @brief Disable CRC+ −
* @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation.+ −
* @rmtoll CR1 CRCEN LL_SPI_DisableCRC+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_DisableCRC(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR1, SPI_CR1_CRCEN);+ −
}+ −
+ −
/**+ −
* @brief Check if CRC is enabled+ −
* @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation.+ −
* @rmtoll CR1 CRCEN LL_SPI_IsEnabledCRC+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabledCRC(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR1, SPI_CR1_CRCEN) == (SPI_CR1_CRCEN));+ −
}+ −
+ −
/**+ −
* @brief Set CRCNext to transfer CRC on the line+ −
* @note This bit has to be written as soon as the last data is written in the SPIx_DR register.+ −
* @rmtoll CR1 CRCNEXT LL_SPI_SetCRCNext+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetCRCNext(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR1, SPI_CR1_CRCNEXT);+ −
}+ −
+ −
/**+ −
* @brief Set polynomial for CRC calculation+ −
* @rmtoll CRCPR CRCPOLY LL_SPI_SetCRCPolynomial+ −
* @param SPIx SPI Instance+ −
* @param CRCPoly This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetCRCPolynomial(SPI_TypeDef *SPIx, uint32_t CRCPoly)+ −
{+ −
WRITE_REG(SPIx->CRCPR, (uint16_t)CRCPoly);+ −
}+ −
+ −
/**+ −
* @brief Get polynomial for CRC calculation+ −
* @rmtoll CRCPR CRCPOLY LL_SPI_GetCRCPolynomial+ −
* @param SPIx SPI Instance+ −
* @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetCRCPolynomial(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_REG(SPIx->CRCPR));+ −
}+ −
+ −
/**+ −
* @brief Get Rx CRC+ −
* @rmtoll RXCRCR RXCRC LL_SPI_GetRxCRC+ −
* @param SPIx SPI Instance+ −
* @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetRxCRC(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_REG(SPIx->RXCRCR));+ −
}+ −
+ −
/**+ −
* @brief Get Tx CRC+ −
* @rmtoll TXCRCR TXCRC LL_SPI_GetTxCRC+ −
* @param SPIx SPI Instance+ −
* @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetTxCRC(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_REG(SPIx->TXCRCR));+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_NSS_Management Slave Select Pin Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Set NSS mode+ −
* @note LL_SPI_NSS_SOFT Mode is not used in SPI TI mode.+ −
* @rmtoll CR1 SSM LL_SPI_SetNSSMode\n+ −
* @rmtoll CR2 SSOE LL_SPI_SetNSSMode+ −
* @param SPIx SPI Instance+ −
* @param NSS This parameter can be one of the following values:+ −
* @arg @ref LL_SPI_NSS_SOFT+ −
* @arg @ref LL_SPI_NSS_HARD_INPUT+ −
* @arg @ref LL_SPI_NSS_HARD_OUTPUT+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_SetNSSMode(SPI_TypeDef *SPIx, uint32_t NSS)+ −
{+ −
MODIFY_REG(SPIx->CR1, SPI_CR1_SSM, NSS);+ −
MODIFY_REG(SPIx->CR2, SPI_CR2_SSOE, ((uint32_t)(NSS >> 16U)));+ −
}+ −
+ −
/**+ −
* @brief Get NSS mode+ −
* @rmtoll CR1 SSM LL_SPI_GetNSSMode\n+ −
* @rmtoll CR2 SSOE LL_SPI_GetNSSMode+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_SPI_NSS_SOFT+ −
* @arg @ref LL_SPI_NSS_HARD_INPUT+ −
* @arg @ref LL_SPI_NSS_HARD_OUTPUT+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_GetNSSMode(SPI_TypeDef *SPIx)+ −
{+ −
register uint32_t Ssm = (READ_BIT(SPIx->CR1, SPI_CR1_SSM));+ −
register uint32_t Ssoe = (READ_BIT(SPIx->CR2, SPI_CR2_SSOE) << 16U);+ −
return (Ssm | Ssoe);+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_FLAG_Management FLAG Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Check if Rx buffer is not empty+ −
* @rmtoll SR RXNE LL_SPI_IsActiveFlag_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_RXNE) == (SPI_SR_RXNE));+ −
}+ −
+ −
/**+ −
* @brief Check if Tx buffer is empty+ −
* @rmtoll SR TXE LL_SPI_IsActiveFlag_TXE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_TXE(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_TXE) == (SPI_SR_TXE));+ −
}+ −
+ −
/**+ −
* @brief Get CRC error flag+ −
* @rmtoll SR CRCERR LL_SPI_IsActiveFlag_CRCERR+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_CRCERR(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_CRCERR) == (SPI_SR_CRCERR));+ −
}+ −
+ −
/**+ −
* @brief Get mode fault error flag+ −
* @rmtoll SR MODF LL_SPI_IsActiveFlag_MODF+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_MODF(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_MODF) == (SPI_SR_MODF));+ −
}+ −
+ −
/**+ −
* @brief Get overrun error flag+ −
* @rmtoll SR OVR LL_SPI_IsActiveFlag_OVR+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_OVR(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_OVR) == (SPI_SR_OVR));+ −
}+ −
+ −
/**+ −
* @brief Get busy flag+ −
* @note The BSY flag is cleared under any one of the following conditions:+ −
* -When the SPI is correctly disabled+ −
* -When a fault is detected in Master mode (MODF bit set to 1)+ −
* -In Master mode, when it finishes a data transmission and no new data is ready to be+ −
* sent+ −
* -In Slave mode, when the BSY flag is set to '0' for at least one SPI clock cycle between+ −
* each data transfer.+ −
* @rmtoll SR BSY LL_SPI_IsActiveFlag_BSY+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_BSY(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_BSY) == (SPI_SR_BSY));+ −
}+ −
+ −
/**+ −
* @brief Get frame format error flag+ −
* @rmtoll SR FRE LL_SPI_IsActiveFlag_FRE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_FRE(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_FRE) == (SPI_SR_FRE));+ −
}+ −
+ −
/**+ −
* @brief Clear CRC error flag+ −
* @rmtoll SR CRCERR LL_SPI_ClearFlag_CRCERR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_ClearFlag_CRCERR(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->SR, SPI_SR_CRCERR);+ −
}+ −
+ −
/**+ −
* @brief Clear mode fault error flag+ −
* @note Clearing this flag is done by a read access to the SPIx_SR+ −
* register followed by a write access to the SPIx_CR1 register+ −
* @rmtoll SR MODF LL_SPI_ClearFlag_MODF+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_ClearFlag_MODF(SPI_TypeDef *SPIx)+ −
{+ −
__IO uint32_t tmpreg;+ −
tmpreg = SPIx->SR;+ −
(void) tmpreg;+ −
tmpreg = CLEAR_BIT(SPIx->CR1, SPI_CR1_SPE);+ −
(void) tmpreg;+ −
}+ −
+ −
/**+ −
* @brief Clear overrun error flag+ −
* @note Clearing this flag is done by a read access to the SPIx_DR+ −
* register followed by a read access to the SPIx_SR register+ −
* @rmtoll SR OVR LL_SPI_ClearFlag_OVR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_ClearFlag_OVR(SPI_TypeDef *SPIx)+ −
{+ −
__IO uint32_t tmpreg;+ −
tmpreg = SPIx->DR;+ −
(void) tmpreg;+ −
tmpreg = SPIx->SR;+ −
(void) tmpreg;+ −
}+ −
+ −
/**+ −
* @brief Clear frame format error flag+ −
* @note Clearing this flag is done by reading SPIx_SR register+ −
* @rmtoll SR FRE LL_SPI_ClearFlag_FRE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_ClearFlag_FRE(SPI_TypeDef *SPIx)+ −
{+ −
__IO uint32_t tmpreg;+ −
tmpreg = SPIx->SR;+ −
(void) tmpreg;+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_IT_Management Interrupt Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Enable error interrupt+ −
* @note This bit controls the generation of an interrupt when an error condition occurs (CRCERR, OVR, MODF in SPI mode, FRE at TI mode).+ −
* @rmtoll CR2 ERRIE LL_SPI_EnableIT_ERR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_EnableIT_ERR(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR2, SPI_CR2_ERRIE);+ −
}+ −
+ −
/**+ −
* @brief Enable Rx buffer not empty interrupt+ −
* @rmtoll CR2 RXNEIE LL_SPI_EnableIT_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_EnableIT_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR2, SPI_CR2_RXNEIE);+ −
}+ −
+ −
/**+ −
* @brief Enable Tx buffer empty interrupt+ −
* @rmtoll CR2 TXEIE LL_SPI_EnableIT_TXE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_EnableIT_TXE(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR2, SPI_CR2_TXEIE);+ −
}+ −
+ −
/**+ −
* @brief Disable error interrupt+ −
* @note This bit controls the generation of an interrupt when an error condition occurs (CRCERR, OVR, MODF in SPI mode, FRE at TI mode).+ −
* @rmtoll CR2 ERRIE LL_SPI_DisableIT_ERR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_DisableIT_ERR(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR2, SPI_CR2_ERRIE);+ −
}+ −
+ −
/**+ −
* @brief Disable Rx buffer not empty interrupt+ −
* @rmtoll CR2 RXNEIE LL_SPI_DisableIT_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_DisableIT_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR2, SPI_CR2_RXNEIE);+ −
}+ −
+ −
/**+ −
* @brief Disable Tx buffer empty interrupt+ −
* @rmtoll CR2 TXEIE LL_SPI_DisableIT_TXE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_DisableIT_TXE(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR2, SPI_CR2_TXEIE);+ −
}+ −
+ −
/**+ −
* @brief Check if error interrupt is enabled+ −
* @rmtoll CR2 ERRIE LL_SPI_IsEnabledIT_ERR+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_ERR(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR2, SPI_CR2_ERRIE) == (SPI_CR2_ERRIE));+ −
}+ −
+ −
/**+ −
* @brief Check if Rx buffer not empty interrupt is enabled+ −
* @rmtoll CR2 RXNEIE LL_SPI_IsEnabledIT_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR2, SPI_CR2_RXNEIE) == (SPI_CR2_RXNEIE));+ −
}+ −
+ −
/**+ −
* @brief Check if Tx buffer empty interrupt+ −
* @rmtoll CR2 TXEIE LL_SPI_IsEnabledIT_TXE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_TXE(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR2, SPI_CR2_TXEIE) == (SPI_CR2_TXEIE));+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_DMA_Management DMA Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Enable DMA Rx+ −
* @rmtoll CR2 RXDMAEN LL_SPI_EnableDMAReq_RX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_EnableDMAReq_RX(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR2, SPI_CR2_RXDMAEN);+ −
}+ −
+ −
/**+ −
* @brief Disable DMA Rx+ −
* @rmtoll CR2 RXDMAEN LL_SPI_DisableDMAReq_RX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_DisableDMAReq_RX(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR2, SPI_CR2_RXDMAEN);+ −
}+ −
+ −
/**+ −
* @brief Check if DMA Rx is enabled+ −
* @rmtoll CR2 RXDMAEN LL_SPI_IsEnabledDMAReq_RX+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_RX(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR2, SPI_CR2_RXDMAEN) == (SPI_CR2_RXDMAEN));+ −
}+ −
+ −
/**+ −
* @brief Enable DMA Tx+ −
* @rmtoll CR2 TXDMAEN LL_SPI_EnableDMAReq_TX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_EnableDMAReq_TX(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->CR2, SPI_CR2_TXDMAEN);+ −
}+ −
+ −
/**+ −
* @brief Disable DMA Tx+ −
* @rmtoll CR2 TXDMAEN LL_SPI_DisableDMAReq_TX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_DisableDMAReq_TX(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->CR2, SPI_CR2_TXDMAEN);+ −
}+ −
+ −
/**+ −
* @brief Check if DMA Tx is enabled+ −
* @rmtoll CR2 TXDMAEN LL_SPI_IsEnabledDMAReq_TX+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_TX(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->CR2, SPI_CR2_TXDMAEN) == (SPI_CR2_TXDMAEN));+ −
}+ −
+ −
/**+ −
* @brief Get the data register address used for DMA transfer+ −
* @rmtoll DR DR LL_SPI_DMA_GetRegAddr+ −
* @param SPIx SPI Instance+ −
* @retval Address of data register+ −
*/+ −
__STATIC_INLINE uint32_t LL_SPI_DMA_GetRegAddr(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t) & (SPIx->DR);+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EF_DATA_Management DATA Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Read 8-Bits in the data register+ −
* @rmtoll DR DR LL_SPI_ReceiveData8+ −
* @param SPIx SPI Instance+ −
* @retval RxData Value between Min_Data=0x00 and Max_Data=0xFF+ −
*/+ −
__STATIC_INLINE uint8_t LL_SPI_ReceiveData8(SPI_TypeDef *SPIx)+ −
{+ −
return (uint8_t)(READ_REG(SPIx->DR));+ −
}+ −
+ −
/**+ −
* @brief Read 16-Bits in the data register+ −
* @rmtoll DR DR LL_SPI_ReceiveData16+ −
* @param SPIx SPI Instance+ −
* @retval RxData Value between Min_Data=0x00 and Max_Data=0xFFFF+ −
*/+ −
__STATIC_INLINE uint16_t LL_SPI_ReceiveData16(SPI_TypeDef *SPIx)+ −
{+ −
return (uint16_t)(READ_REG(SPIx->DR));+ −
}+ −
+ −
/**+ −
* @brief Write 8-Bits in the data register+ −
* @rmtoll DR DR LL_SPI_TransmitData8+ −
* @param SPIx SPI Instance+ −
* @param TxData Value between Min_Data=0x00 and Max_Data=0xFF+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_TransmitData8(SPI_TypeDef *SPIx, uint8_t TxData)+ −
{+ −
SPIx->DR = TxData;+ −
}+ −
+ −
/**+ −
* @brief Write 16-Bits in the data register+ −
* @rmtoll DR DR LL_SPI_TransmitData16+ −
* @param SPIx SPI Instance+ −
* @param TxData Value between Min_Data=0x00 and Max_Data=0xFFFF+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_SPI_TransmitData16(SPI_TypeDef *SPIx, uint16_t TxData)+ −
{+ −
SPIx->DR = TxData;+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
#if defined(USE_FULL_LL_DRIVER)+ −
/** @defgroup SPI_LL_EF_Init Initialization and de-initialization functions+ −
* @{+ −
*/+ −
+ −
ErrorStatus LL_SPI_DeInit(SPI_TypeDef *SPIx);+ −
ErrorStatus LL_SPI_Init(SPI_TypeDef *SPIx, LL_SPI_InitTypeDef *SPI_InitStruct);+ −
void LL_SPI_StructInit(LL_SPI_InitTypeDef *SPI_InitStruct);+ −
+ −
/**+ −
* @}+ −
*/+ −
#endif /* USE_FULL_LL_DRIVER */+ −
/**+ −
* @}+ −
*/+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL I2S+ −
* @{+ −
*/+ −
+ −
/* Private variables ---------------------------------------------------------*/+ −
/* Private constants ---------------------------------------------------------*/+ −
/* Private macros ------------------------------------------------------------*/+ −
+ −
/* Exported types ------------------------------------------------------------*/+ −
#if defined(USE_FULL_LL_DRIVER)+ −
/** @defgroup I2S_LL_ES_INIT I2S Exported Init structure+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief I2S Init structure definition+ −
*/+ −
+ −
typedef struct+ −
{+ −
uint32_t Mode; /*!< Specifies the I2S operating mode.+ −
This parameter can be a value of @ref I2S_LL_EC_MODE+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_I2S_SetTransferMode().*/+ −
+ −
uint32_t Standard; /*!< Specifies the standard used for the I2S communication.+ −
This parameter can be a value of @ref I2S_LL_EC_STANDARD+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_I2S_SetStandard().*/+ −
+ −
+ −
uint32_t DataFormat; /*!< Specifies the data format for the I2S communication.+ −
This parameter can be a value of @ref I2S_LL_EC_DATA_FORMAT+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_I2S_SetDataFormat().*/+ −
+ −
+ −
uint32_t MCLKOutput; /*!< Specifies whether the I2S MCLK output is enabled or not.+ −
This parameter can be a value of @ref I2S_LL_EC_MCLK_OUTPUT+ −
+ −
This feature can be modified afterwards using unitary functions @ref LL_I2S_EnableMasterClock() or @ref LL_I2S_DisableMasterClock.*/+ −
+ −
+ −
uint32_t AudioFreq; /*!< Specifies the frequency selected for the I2S communication.+ −
This parameter can be a value of @ref I2S_LL_EC_AUDIO_FREQ+ −
+ −
Audio Frequency can be modified afterwards using Reference manual formulas to calculate Prescaler Linear, Parity+ −
and unitary functions @ref LL_I2S_SetPrescalerLinear() and @ref LL_I2S_SetPrescalerParity() to set it.*/+ −
+ −
+ −
uint32_t ClockPolarity; /*!< Specifies the idle state of the I2S clock.+ −
This parameter can be a value of @ref I2S_LL_EC_POLARITY+ −
+ −
This feature can be modified afterwards using unitary function @ref LL_I2S_SetClockPolarity().*/+ −
+ −
} LL_I2S_InitTypeDef;+ −
+ −
/**+ −
* @}+ −
*/+ −
#endif /*USE_FULL_LL_DRIVER*/+ −
+ −
/* Exported constants --------------------------------------------------------*/+ −
/** @defgroup I2S_LL_Exported_Constants I2S Exported Constants+ −
* @{+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_GET_FLAG Get Flags Defines+ −
* @brief Flags defines which can be used with LL_I2S_ReadReg function+ −
* @{+ −
*/+ −
#define LL_I2S_SR_RXNE LL_SPI_SR_RXNE /*!< Rx buffer not empty flag */+ −
#define LL_I2S_SR_TXE LL_SPI_SR_TXE /*!< Tx buffer empty flag */+ −
#define LL_I2S_SR_BSY LL_SPI_SR_BSY /*!< Busy flag */+ −
#define LL_I2S_SR_UDR SPI_SR_UDR /*!< Underrun flag */+ −
#define LL_I2S_SR_OVR LL_SPI_SR_OVR /*!< Overrun flag */+ −
#define LL_I2S_SR_FRE LL_SPI_SR_FRE /*!< TI mode frame format error flag */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup SPI_LL_EC_IT IT Defines+ −
* @brief IT defines which can be used with LL_SPI_ReadReg and LL_SPI_WriteReg functions+ −
* @{+ −
*/+ −
#define LL_I2S_CR2_RXNEIE LL_SPI_CR2_RXNEIE /*!< Rx buffer not empty interrupt enable */+ −
#define LL_I2S_CR2_TXEIE LL_SPI_CR2_TXEIE /*!< Tx buffer empty interrupt enable */+ −
#define LL_I2S_CR2_ERRIE LL_SPI_CR2_ERRIE /*!< Error interrupt enable */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_DATA_FORMAT Data format+ −
* @{+ −
*/+ −
#define LL_I2S_DATAFORMAT_16B 0x00000000U /*!< Data length 16 bits, Channel lenght 16bit */+ −
#define LL_I2S_DATAFORMAT_16B_EXTENDED (SPI_I2SCFGR_CHLEN) /*!< Data length 16 bits, Channel lenght 32bit */+ −
#define LL_I2S_DATAFORMAT_24B (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_0) /*!< Data length 24 bits, Channel lenght 32bit */+ −
#define LL_I2S_DATAFORMAT_32B (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_1) /*!< Data length 16 bits, Channel lenght 32bit */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_POLARITY Clock Polarity+ −
* @{+ −
*/+ −
#define LL_I2S_POLARITY_LOW 0x00000000U /*!< Clock steady state is low level */+ −
#define LL_I2S_POLARITY_HIGH (SPI_I2SCFGR_CKPOL) /*!< Clock steady state is high level */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_STANDARD I2s Standard+ −
* @{+ −
*/+ −
#define LL_I2S_STANDARD_PHILIPS 0x00000000U /*!< I2S standard philips */+ −
#define LL_I2S_STANDARD_MSB (SPI_I2SCFGR_I2SSTD_0) /*!< MSB justified standard (left justified) */+ −
#define LL_I2S_STANDARD_LSB (SPI_I2SCFGR_I2SSTD_1) /*!< LSB justified standard (right justified) */+ −
#define LL_I2S_STANDARD_PCM_SHORT (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1) /*!< PCM standard, short frame synchronization */+ −
#define LL_I2S_STANDARD_PCM_LONG (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1 | SPI_I2SCFGR_PCMSYNC) /*!< PCM standard, long frame synchronization */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_MODE Operation Mode+ −
* @{+ −
*/+ −
#define LL_I2S_MODE_SLAVE_TX 0x00000000U /*!< Slave Tx configuration */+ −
#define LL_I2S_MODE_SLAVE_RX (SPI_I2SCFGR_I2SCFG_0) /*!< Slave Rx configuration */+ −
#define LL_I2S_MODE_MASTER_TX (SPI_I2SCFGR_I2SCFG_1) /*!< Master Tx configuration */+ −
#define LL_I2S_MODE_MASTER_RX (SPI_I2SCFGR_I2SCFG_0 | SPI_I2SCFGR_I2SCFG_1) /*!< Master Rx configuration */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_PRESCALER_FACTOR Prescaler Factor+ −
* @{+ −
*/+ −
#define LL_I2S_PRESCALER_PARITY_EVEN 0x00000000U /*!< Odd factor: Real divider value is = I2SDIV * 2 */+ −
#define LL_I2S_PRESCALER_PARITY_ODD (SPI_I2SPR_ODD >> 8U) /*!< Odd factor: Real divider value is = (I2SDIV * 2)+1 */+ −
/**+ −
* @}+ −
*/+ −
+ −
#if defined(USE_FULL_LL_DRIVER)+ −
+ −
/** @defgroup I2S_LL_EC_MCLK_OUTPUT MCLK Output+ −
* @{+ −
*/+ −
#define LL_I2S_MCLK_OUTPUT_DISABLE 0x00000000U /*!< Master clock output is disabled */+ −
#define LL_I2S_MCLK_OUTPUT_ENABLE (SPI_I2SPR_MCKOE) /*!< Master clock output is enabled */+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EC_AUDIO_FREQ Audio Frequency+ −
* @{+ −
*/+ −
+ −
#define LL_I2S_AUDIOFREQ_192K 192000U /*!< Audio Frequency configuration 192000 Hz */+ −
#define LL_I2S_AUDIOFREQ_96K 96000U /*!< Audio Frequency configuration 96000 Hz */+ −
#define LL_I2S_AUDIOFREQ_48K 48000U /*!< Audio Frequency configuration 48000 Hz */+ −
#define LL_I2S_AUDIOFREQ_44K 44100U /*!< Audio Frequency configuration 44100 Hz */+ −
#define LL_I2S_AUDIOFREQ_32K 32000U /*!< Audio Frequency configuration 32000 Hz */+ −
#define LL_I2S_AUDIOFREQ_22K 22050U /*!< Audio Frequency configuration 22050 Hz */+ −
#define LL_I2S_AUDIOFREQ_16K 16000U /*!< Audio Frequency configuration 16000 Hz */+ −
#define LL_I2S_AUDIOFREQ_11K 11025U /*!< Audio Frequency configuration 11025 Hz */+ −
#define LL_I2S_AUDIOFREQ_8K 8000U /*!< Audio Frequency configuration 8000 Hz */+ −
#define LL_I2S_AUDIOFREQ_DEFAULT 2U /*!< Audio Freq not specified. Register I2SDIV = 2 */+ −
/**+ −
* @}+ −
*/+ −
#endif /* USE_FULL_LL_DRIVER */+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/* Exported macro ------------------------------------------------------------*/+ −
/** @defgroup I2S_LL_Exported_Macros I2S Exported Macros+ −
* @{+ −
*/+ −
+ −
/** @defgroup I2S_LL_EM_WRITE_READ Common Write and read registers Macros+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Write a value in I2S register+ −
* @param __INSTANCE__ I2S Instance+ −
* @param __REG__ Register to be written+ −
* @param __VALUE__ Value to be written in the register+ −
* @retval None+ −
*/+ −
#define LL_I2S_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))+ −
+ −
/**+ −
* @brief Read a value in I2S register+ −
* @param __INSTANCE__ I2S Instance+ −
* @param __REG__ Register to be read+ −
* @retval Register value+ −
*/+ −
#define LL_I2S_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)+ −
/**+ −
* @}+ −
*/+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
+ −
/* Exported functions --------------------------------------------------------*/+ −
+ −
/** @defgroup I2S_LL_Exported_Functions I2S Exported Functions+ −
* @{+ −
*/+ −
+ −
/** @defgroup I2S_LL_EF_Configuration Configuration+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Select I2S mode and Enable I2S peripheral+ −
* @rmtoll I2SCFGR I2SMOD LL_I2S_Enable\n+ −
* I2SCFGR I2SE LL_I2S_Enable+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_Enable(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD | SPI_I2SCFGR_I2SE);+ −
}+ −
+ −
/**+ −
* @brief Disable I2S peripheral+ −
* @rmtoll I2SCFGR I2SE LL_I2S_Disable+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_Disable(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD | SPI_I2SCFGR_I2SE);+ −
}+ −
+ −
/**+ −
* @brief Check if I2S peripheral is enabled+ −
* @rmtoll I2SCFGR I2SE LL_I2S_IsEnabled+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabled(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SE) == (SPI_I2SCFGR_I2SE));+ −
}+ −
+ −
/**+ −
* @brief Set I2S data frame length+ −
* @rmtoll I2SCFGR DATLEN LL_I2S_SetDataFormat\n+ −
* I2SCFGR CHLEN LL_I2S_SetDataFormat+ −
* @param SPIx SPI Instance+ −
* @param DataFormat This parameter can be one of the following values:+ −
* @arg @ref LL_I2S_DATAFORMAT_16B+ −
* @arg @ref LL_I2S_DATAFORMAT_16B_EXTENDED+ −
* @arg @ref LL_I2S_DATAFORMAT_24B+ −
* @arg @ref LL_I2S_DATAFORMAT_32B+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_SetDataFormat(SPI_TypeDef *SPIx, uint32_t DataFormat)+ −
{+ −
MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN, DataFormat);+ −
}+ −
+ −
/**+ −
* @brief Get I2S data frame length+ −
* @rmtoll I2SCFGR DATLEN LL_I2S_GetDataFormat\n+ −
* I2SCFGR CHLEN LL_I2S_GetDataFormat+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_I2S_DATAFORMAT_16B+ −
* @arg @ref LL_I2S_DATAFORMAT_16B_EXTENDED+ −
* @arg @ref LL_I2S_DATAFORMAT_24B+ −
* @arg @ref LL_I2S_DATAFORMAT_32B+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_GetDataFormat(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN));+ −
}+ −
+ −
/**+ −
* @brief Set I2S clock polarity+ −
* @rmtoll I2SCFGR CKPOL LL_I2S_SetClockPolarity+ −
* @param SPIx SPI Instance+ −
* @param ClockPolarity This parameter can be one of the following values:+ −
* @arg @ref LL_I2S_POLARITY_LOW+ −
* @arg @ref LL_I2S_POLARITY_HIGH+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_SetClockPolarity(SPI_TypeDef *SPIx, uint32_t ClockPolarity)+ −
{+ −
SET_BIT(SPIx->I2SCFGR, ClockPolarity);+ −
}+ −
+ −
/**+ −
* @brief Get I2S clock polarity+ −
* @rmtoll I2SCFGR CKPOL LL_I2S_GetClockPolarity+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_I2S_POLARITY_LOW+ −
* @arg @ref LL_I2S_POLARITY_HIGH+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_GetClockPolarity(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_CKPOL));+ −
}+ −
+ −
/**+ −
* @brief Set I2S standard protocol+ −
* @rmtoll I2SCFGR I2SSTD LL_I2S_SetStandard\n+ −
* I2SCFGR PCMSYNC LL_I2S_SetStandard+ −
* @param SPIx SPI Instance+ −
* @param Standard This parameter can be one of the following values:+ −
* @arg @ref LL_I2S_STANDARD_PHILIPS+ −
* @arg @ref LL_I2S_STANDARD_MSB+ −
* @arg @ref LL_I2S_STANDARD_LSB+ −
* @arg @ref LL_I2S_STANDARD_PCM_SHORT+ −
* @arg @ref LL_I2S_STANDARD_PCM_LONG+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_SetStandard(SPI_TypeDef *SPIx, uint32_t Standard)+ −
{+ −
MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC, Standard);+ −
}+ −
+ −
/**+ −
* @brief Get I2S standard protocol+ −
* @rmtoll I2SCFGR I2SSTD LL_I2S_GetStandard\n+ −
* I2SCFGR PCMSYNC LL_I2S_GetStandard+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_I2S_STANDARD_PHILIPS+ −
* @arg @ref LL_I2S_STANDARD_MSB+ −
* @arg @ref LL_I2S_STANDARD_LSB+ −
* @arg @ref LL_I2S_STANDARD_PCM_SHORT+ −
* @arg @ref LL_I2S_STANDARD_PCM_LONG+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_GetStandard(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC));+ −
}+ −
+ −
/**+ −
* @brief Set I2S transfer mode+ −
* @rmtoll I2SCFGR I2SCFG LL_I2S_SetTransferMode+ −
* @param SPIx SPI Instance+ −
* @param Mode This parameter can be one of the following values:+ −
* @arg @ref LL_I2S_MODE_SLAVE_TX+ −
* @arg @ref LL_I2S_MODE_SLAVE_RX+ −
* @arg @ref LL_I2S_MODE_MASTER_TX+ −
* @arg @ref LL_I2S_MODE_MASTER_RX+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_SetTransferMode(SPI_TypeDef *SPIx, uint32_t Mode)+ −
{+ −
MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_I2SCFG, Mode);+ −
}+ −
+ −
/**+ −
* @brief Get I2S transfer mode+ −
* @rmtoll I2SCFGR I2SCFG LL_I2S_GetTransferMode+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_I2S_MODE_SLAVE_TX+ −
* @arg @ref LL_I2S_MODE_SLAVE_RX+ −
* @arg @ref LL_I2S_MODE_MASTER_TX+ −
* @arg @ref LL_I2S_MODE_MASTER_RX+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_GetTransferMode(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SCFG));+ −
}+ −
+ −
/**+ −
* @brief Set I2S linear prescaler+ −
* @rmtoll I2SPR I2SDIV LL_I2S_SetPrescalerLinear+ −
* @param SPIx SPI Instance+ −
* @param PrescalerLinear Value between Min_Data=0x02 and Max_Data=0xFF+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_SetPrescalerLinear(SPI_TypeDef *SPIx, uint8_t PrescalerLinear)+ −
{+ −
MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_I2SDIV, PrescalerLinear);+ −
}+ −
+ −
/**+ −
* @brief Get I2S linear prescaler+ −
* @rmtoll I2SPR I2SDIV LL_I2S_GetPrescalerLinear+ −
* @param SPIx SPI Instance+ −
* @retval PrescalerLinear Value between Min_Data=0x02 and Max_Data=0xFF+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_GetPrescalerLinear(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->I2SPR, SPI_I2SPR_I2SDIV));+ −
}+ −
+ −
/**+ −
* @brief Set I2S parity prescaler+ −
* @rmtoll I2SPR ODD LL_I2S_SetPrescalerParity+ −
* @param SPIx SPI Instance+ −
* @param PrescalerParity This parameter can be one of the following values:+ −
* @arg @ref LL_I2S_PRESCALER_PARITY_EVEN+ −
* @arg @ref LL_I2S_PRESCALER_PARITY_ODD+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_SetPrescalerParity(SPI_TypeDef *SPIx, uint32_t PrescalerParity)+ −
{+ −
MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_ODD, PrescalerParity << 8U);+ −
}+ −
+ −
/**+ −
* @brief Get I2S parity prescaler+ −
* @rmtoll I2SPR ODD LL_I2S_GetPrescalerParity+ −
* @param SPIx SPI Instance+ −
* @retval Returned value can be one of the following values:+ −
* @arg @ref LL_I2S_PRESCALER_PARITY_EVEN+ −
* @arg @ref LL_I2S_PRESCALER_PARITY_ODD+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_GetPrescalerParity(SPI_TypeDef *SPIx)+ −
{+ −
return (uint32_t)(READ_BIT(SPIx->I2SPR, SPI_I2SPR_ODD) >> 8U);+ −
}+ −
+ −
/**+ −
* @brief Enable the master clock ouput (Pin MCK)+ −
* @rmtoll I2SPR MCKOE LL_I2S_EnableMasterClock+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableMasterClock(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE);+ −
}+ −
+ −
/**+ −
* @brief Disable the master clock ouput (Pin MCK)+ −
* @rmtoll I2SPR MCKOE LL_I2S_DisableMasterClock+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableMasterClock(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE);+ −
}+ −
+ −
/**+ −
* @brief Check if the master clock ouput (Pin MCK) is enabled+ −
* @rmtoll I2SPR MCKOE LL_I2S_IsEnabledMasterClock+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledMasterClock(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE) == (SPI_I2SPR_MCKOE));+ −
}+ −
+ −
#if defined(SPI_I2SCFGR_ASTRTEN)+ −
/**+ −
* @brief Enable asynchronous start+ −
* @rmtoll I2SCFGR ASTRTEN LL_I2S_EnableAsyncStart+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableAsyncStart(SPI_TypeDef *SPIx)+ −
{+ −
SET_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN);+ −
}+ −
+ −
/**+ −
* @brief Disable asynchronous start+ −
* @rmtoll I2SCFGR ASTRTEN LL_I2S_DisableAsyncStart+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableAsyncStart(SPI_TypeDef *SPIx)+ −
{+ −
CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN);+ −
}+ −
+ −
/**+ −
* @brief Check if asynchronous start is enabled+ −
* @rmtoll I2SCFGR ASTRTEN LL_I2S_IsEnabledAsyncStart+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledAsyncStart(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN) == (SPI_I2SCFGR_ASTRTEN));+ −
}+ −
#endif /* SPI_I2SCFGR_ASTRTEN */+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EF_FLAG FLAG Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Check if Rx buffer is not empty+ −
* @rmtoll SR RXNE LL_I2S_IsActiveFlag_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsActiveFlag_RXNE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Check if Tx buffer is empty+ −
* @rmtoll SR TXE LL_I2S_IsActiveFlag_TXE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_TXE(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsActiveFlag_TXE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Get busy flag+ −
* @rmtoll SR BSY LL_I2S_IsActiveFlag_BSY+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_BSY(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsActiveFlag_BSY(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Get overrun error flag+ −
* @rmtoll SR OVR LL_I2S_IsActiveFlag_OVR+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_OVR(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsActiveFlag_OVR(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Get underrun error flag+ −
* @rmtoll SR UDR LL_I2S_IsActiveFlag_UDR+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_UDR(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_UDR) == (SPI_SR_UDR));+ −
}+ −
+ −
/**+ −
* @brief Get frame format error flag+ −
* @rmtoll SR FRE LL_I2S_IsActiveFlag_FRE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_FRE(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsActiveFlag_FRE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Get channel side flag.+ −
* @note 0: Channel Left has to be transmitted or has been received\n+ −
* 1: Channel Right has to be transmitted or has been received\n+ −
* It has no significance in PCM mode.+ −
* @rmtoll SR CHSIDE LL_I2S_IsActiveFlag_CHSIDE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_CHSIDE(SPI_TypeDef *SPIx)+ −
{+ −
return (READ_BIT(SPIx->SR, SPI_SR_CHSIDE) == (SPI_SR_CHSIDE));+ −
}+ −
+ −
/**+ −
* @brief Clear overrun error flag+ −
* @rmtoll SR OVR LL_I2S_ClearFlag_OVR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_ClearFlag_OVR(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_ClearFlag_OVR(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Clear underrun error flag+ −
* @rmtoll SR UDR LL_I2S_ClearFlag_UDR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_ClearFlag_UDR(SPI_TypeDef *SPIx)+ −
{+ −
__IO uint32_t tmpreg;+ −
tmpreg = SPIx->SR;+ −
(void)tmpreg;+ −
}+ −
+ −
/**+ −
* @brief Clear frame format error flag+ −
* @rmtoll SR FRE LL_I2S_ClearFlag_FRE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_ClearFlag_FRE(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_ClearFlag_FRE(SPIx);+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EF_IT Interrupt Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Enable error IT+ −
* @note This bit controls the generation of an interrupt when an error condition occurs (OVR, UDR and FRE in I2S mode).+ −
* @rmtoll CR2 ERRIE LL_I2S_EnableIT_ERR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableIT_ERR(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_EnableIT_ERR(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Enable Rx buffer not empty IT+ −
* @rmtoll CR2 RXNEIE LL_I2S_EnableIT_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableIT_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_EnableIT_RXNE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Enable Tx buffer empty IT+ −
* @rmtoll CR2 TXEIE LL_I2S_EnableIT_TXE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableIT_TXE(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_EnableIT_TXE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Disable error IT+ −
* @note This bit controls the generation of an interrupt when an error condition occurs (OVR, UDR and FRE in I2S mode).+ −
* @rmtoll CR2 ERRIE LL_I2S_DisableIT_ERR+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableIT_ERR(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_DisableIT_ERR(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Disable Rx buffer not empty IT+ −
* @rmtoll CR2 RXNEIE LL_I2S_DisableIT_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableIT_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_DisableIT_RXNE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Disable Tx buffer empty IT+ −
* @rmtoll CR2 TXEIE LL_I2S_DisableIT_TXE+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableIT_TXE(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_DisableIT_TXE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Check if ERR IT is enabled+ −
* @rmtoll CR2 ERRIE LL_I2S_IsEnabledIT_ERR+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_ERR(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsEnabledIT_ERR(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Check if RXNE IT is enabled+ −
* @rmtoll CR2 RXNEIE LL_I2S_IsEnabledIT_RXNE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_RXNE(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsEnabledIT_RXNE(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Check if TXE IT is enabled+ −
* @rmtoll CR2 TXEIE LL_I2S_IsEnabledIT_TXE+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_TXE(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsEnabledIT_TXE(SPIx);+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EF_DMA DMA Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Enable DMA Rx+ −
* @rmtoll CR2 RXDMAEN LL_I2S_EnableDMAReq_RX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableDMAReq_RX(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_EnableDMAReq_RX(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Disable DMA Rx+ −
* @rmtoll CR2 RXDMAEN LL_I2S_DisableDMAReq_RX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableDMAReq_RX(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_DisableDMAReq_RX(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Check if DMA Rx is enabled+ −
* @rmtoll CR2 RXDMAEN LL_I2S_IsEnabledDMAReq_RX+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledDMAReq_RX(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsEnabledDMAReq_RX(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Enable DMA Tx+ −
* @rmtoll CR2 TXDMAEN LL_I2S_EnableDMAReq_TX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_EnableDMAReq_TX(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_EnableDMAReq_TX(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Disable DMA Tx+ −
* @rmtoll CR2 TXDMAEN LL_I2S_DisableDMAReq_TX+ −
* @param SPIx SPI Instance+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_DisableDMAReq_TX(SPI_TypeDef *SPIx)+ −
{+ −
LL_SPI_DisableDMAReq_TX(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Check if DMA Tx is enabled+ −
* @rmtoll CR2 TXDMAEN LL_I2S_IsEnabledDMAReq_TX+ −
* @param SPIx SPI Instance+ −
* @retval State of bit (1 or 0).+ −
*/+ −
__STATIC_INLINE uint32_t LL_I2S_IsEnabledDMAReq_TX(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_IsEnabledDMAReq_TX(SPIx);+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/** @defgroup I2S_LL_EF_DATA DATA Management+ −
* @{+ −
*/+ −
+ −
/**+ −
* @brief Read 16-Bits in data register+ −
* @rmtoll DR DR LL_I2S_ReceiveData16+ −
* @param SPIx SPI Instance+ −
* @retval RxData Value between Min_Data=0x0000 and Max_Data=0xFFFF+ −
*/+ −
__STATIC_INLINE uint16_t LL_I2S_ReceiveData16(SPI_TypeDef *SPIx)+ −
{+ −
return LL_SPI_ReceiveData16(SPIx);+ −
}+ −
+ −
/**+ −
* @brief Write 16-Bits in data register+ −
* @rmtoll DR DR LL_I2S_TransmitData16+ −
* @param SPIx SPI Instance+ −
* @param TxData Value between Min_Data=0x0000 and Max_Data=0xFFFF+ −
* @retval None+ −
*/+ −
__STATIC_INLINE void LL_I2S_TransmitData16(SPI_TypeDef *SPIx, uint16_t TxData)+ −
{+ −
LL_SPI_TransmitData16(SPIx, TxData);+ −
}+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
#if defined(USE_FULL_LL_DRIVER)+ −
/** @defgroup I2S_LL_EF_Init Initialization and de-initialization functions+ −
* @{+ −
*/+ −
+ −
ErrorStatus LL_I2S_DeInit(SPI_TypeDef *SPIx);+ −
ErrorStatus LL_I2S_Init(SPI_TypeDef *SPIx, LL_I2S_InitTypeDef *I2S_InitStruct);+ −
void LL_I2S_StructInit(LL_I2S_InitTypeDef *I2S_InitStruct);+ −
void LL_I2S_ConfigPrescaler(SPI_TypeDef *SPIx, uint32_t PrescalerLinear, uint32_t PrescalerParity);+ −
#if defined (SPI_I2S_FULLDUPLEX_SUPPORT)+ −
ErrorStatus LL_I2S_InitFullDuplex(SPI_TypeDef *I2Sxext, LL_I2S_InitTypeDef *I2S_InitStruct);+ −
#endif /* SPI_I2S_FULLDUPLEX_SUPPORT */+ −
+ −
/**+ −
* @}+ −
*/+ −
#endif /* USE_FULL_LL_DRIVER */+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
#endif /* defined (SPI1) || defined (SPI2) || defined (SPI3) || defined (SPI4) || defined (SPI5) || defined(SPI6) */+ −
+ −
/**+ −
* @}+ −
*/+ −
+ −
#ifdef __cplusplus+ −
}+ −
#endif+ −
+ −
#endif /* __STM32F4xx_LL_SPI_H */+ −
+ −
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/+ −