/****************************************************************************** * 版权所有：苏州领慧立芯科技有限公司 * Copyright (c) 2020-2025 Suzhou Legendsemi Technology Co., Ltd. ****************************************************************************** * All rights reserved. Distributed under MIT license. * The file is encoded in UTF-8 without signature. * @file lh32m0g30x_spi.h * @version 2025-09-15 ******************************************************************************/ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __LH32M0G3x_SPI_H #define __LH32M0G3x_SPI_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "lh32m0xx_lhl.h" /* Defines -------------------------------------------------------------------*/ /** * @brief SPI_Private_Defines */ #define SPI_CR1_CLEAR_Msk ((uint16_t)0x3040) /** * @brief SPI Init structure definition */ typedef struct { uint16_t Direction; /*!< Specifies the SPI unidirectional or bidirectional data mode. This parameter can be a value of @ref SPI_data_direction */ uint16_t Mode; /*!< Specifies the SPI operating mode. This parameter can be a value of @ref SPI_mode */ uint16_t DataSize; /*!< 保留字，不要设置！2025-09-04！ This parameter can be a value of @ref SPI_data_size */ uint16_t CPOL; /*!< Specifies the serial clock steady state. This parameter can be a value of @ref SPI_Clock_Polarity */ uint16_t CPHA; /*!< Specifies the clock active edge for the bit capture. This parameter can be a value of @ref SPI_Clock_Phase */ uint16_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_Slave_Select_management */ uint16_t 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 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 CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation. */ } SPI_InitTypeDef; /** * @} */ /** @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) /** * @} */ /** @defgroup SPI_mode * @{ */ #define SPI_Mode_Master ((uint16_t)0x0104) #define SPI_Mode_Slave ((uint16_t)0x0000) /** * @} */ /** @defgroup SPI_data_size * @{ */ #define SPI_DataSize_16b ((uint16_t)0x0800) #define SPI_DataSize_8b ((uint16_t)0x0000) /** * @} */ /** @defgroup SPI_Clock_Polarity * @{ */ #define SPI_CPOL_Low ((uint16_t)0x0000) #define SPI_CPOL_High ((uint16_t)0x0002) /** * @} */ /** @defgroup SPI_Clock_Phase * @{ */ #define SPI_CPHA_1Edge ((uint16_t)0x0000) #define SPI_CPHA_2Edge ((uint16_t)0x0001) /** * @} */ /** @defgroup SPI_Slave_Select_management * @{ */ #define SPI_NSS_Soft ((uint16_t)0x0200) #define SPI_NSS_Hard ((uint16_t)0x0000) /** * @} */ /** @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) /** * @} */ /** @defgroup SPI_MSB_LSB_transmission * @{ */ #define SPI_FirstBit_MSB ((uint16_t)0x0000) #define SPI_FirstBit_LSB ((uint16_t)0x0080) /** * @} */ /** @defgroup SPI_DMA_transfer_requests * @{ */ #define SPI_DMAReq_Tx ((uint16_t)0x0002) #define SPI_DMAReq_Rx ((uint16_t)0x0001) /** * @} */ /** @defgroup SPI_NSS_internal_software_management * @{ */ #define SPI_NSSInternalSoft_Set ((uint16_t)0x0100) #define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF) /** * @} */ /** @defgroup SPI_CRC_Transmit_Receive * @{ */ #define SPI_CRC_Tx ((uint8_t)0x00) #define SPI_CRC_Rx ((uint8_t)0x01) /** * @} */ /** @defgroup SPI_direction_transmit_receive * @{ */ #define SPI_Direction_Rx ((uint16_t)0xBFFF) #define SPI_Direction_Tx ((uint16_t)0x4000) /** * @} */ /** @defgroup SPI_interrupts_definition * @{ */ #define SPI_IT_TXE ((uint8_t)0x71) #define SPI_IT_RXNE ((uint8_t)0x60) #define SPI_IT_ERR ((uint8_t)0x50) #define SPI_IT_OVR ((uint8_t)0x56) #define SPI_IT_MODF ((uint8_t)0x55) #define SPI_IT_CRCERR ((uint8_t)0x54) /** * @} */ /** @defgroup SPI_flags_definition * @{ */ #define SPI_FLAG_RXNE ((uint16_t)0x0001) #define SPI_FLAG_TXE ((uint16_t)0x0002) #define SPI_FLAG_CRCERR ((uint16_t)0x0010) #define SPI_FLAG_MODF ((uint16_t)0x0020) #define SPI_FLAG_OVR ((uint16_t)0x0040) #define SPI_FLAG_BSY ((uint16_t)0x0080) /** * @} */ /* Function Prototypes -------------------------------------------------------*/ /** @defgroup SPI_Exported_Functions * @{ */ void LHL_SPI_DeInit(SPI_TypeDef* pSPIx); void LHL_SPI_Init(SPI_TypeDef* pSPIx, SPI_InitTypeDef* SPI_Init); void LHL_SPI_Cmd(SPI_TypeDef* pSPIx, FunctionalState NewState); void LHL_SPI_ITConfig(SPI_TypeDef* pSPIx, uint8_t SPI_IT, FunctionalState NewState); ITStatus LHL_SPI_GetPending(SPI_TypeDef* SPIx, uint8_t SPI_IT); void LHL_SPI_ClearPending(SPI_TypeDef* SPIx, uint8_t SPI_IT); void LHL_SPI_SendData(SPI_TypeDef* SPIx, uint16_t Data); uint16_t LHL_SPI_ReceiveData(SPI_TypeDef* SPIx); LHL_StatusTypeDef LHL_SPI_Transmit(SPI_TypeDef *pSPIx, const uint8_t* pTxData, uint16_t size, uint32_t Timeout); LHL_StatusTypeDef LHL_SPI_Receive(SPI_TypeDef *pSPIx, uint8_t* pRxData, uint16_t size, uint32_t Timeout); LHL_StatusTypeDef LHL_SPI_TransmitReceive(SPI_TypeDef *pSPIx, const uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); FlagStatus LHL_SPI_GetFlag(SPI_TypeDef* pSPIx, uint16_t SPI_FLAG); /** * @} */ #ifdef __cplusplus } #endif #endif /*********************************End of File**********************************/