248 lines
7.8 KiB
C
Executable File
248 lines
7.8 KiB
C
Executable File
/******************************************************************************
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* 版权所有：苏州领慧立芯科技有限公司
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* Copyright (c) 2020-2025 Suzhou Legendsemi Technology Co., Ltd.
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******************************************************************************
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* All rights reserved. Distributed under MIT license.
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* The file is encoded in UTF-8 without signature.
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* @file lh32m0g30x_spi.h
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* @version 2025-09-15
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******************************************************************************/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __LH32M0G3x_SPI_H
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#define __LH32M0G3x_SPI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "lh32m0xx_lhl.h"
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/* Defines -------------------------------------------------------------------*/
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/**
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* @brief SPI_Private_Defines
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*/
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#define SPI_CR1_CLEAR_Msk ((uint16_t)0x3040)
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/**
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* @brief SPI Init structure definition
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*/
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typedef struct
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{
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uint16_t Direction; /*!< Specifies the SPI unidirectional or bidirectional data mode.
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This parameter can be a value of @ref SPI_data_direction */
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uint16_t Mode; /*!< Specifies the SPI operating mode.
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This parameter can be a value of @ref SPI_mode */
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uint16_t DataSize; /*!< 保留字，不要设置！2025-09-04！
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This parameter can be a value of @ref SPI_data_size */
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uint16_t CPOL; /*!< Specifies the serial clock steady state.
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This parameter can be a value of @ref SPI_Clock_Polarity */
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uint16_t CPHA; /*!< Specifies the clock active edge for the bit capture.
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This parameter can be a value of @ref SPI_Clock_Phase */
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uint16_t NSS; /*!< Specifies whether the NSS signal is managed by
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hardware (NSS pin) or by software using the SSI bit.
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This parameter can be a value of @ref SPI_Slave_Select_management */
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uint16_t BaudRatePrescaler; /*!< Specifies the Baud Rate prescaler value which will be
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used to configure the transmit and receive SCK clock.
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This parameter can be a value of @ref SPI_BaudRate_Prescaler.
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@note The communication clock is derived from the master
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clock. The slave clock does not need to be set. */
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uint16_t FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
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This parameter can be a value of @ref SPI_MSB_LSB_transmission */
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uint16_t CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation. */
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} SPI_InitTypeDef;
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/**
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* @}
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*/
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/** @defgroup SPI_data_direction
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* @{
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*/
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#define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
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#define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
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#define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
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#define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
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/**
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* @}
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*/
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/** @defgroup SPI_mode
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* @{
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*/
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#define SPI_Mode_Master ((uint16_t)0x0104)
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#define SPI_Mode_Slave ((uint16_t)0x0000)
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/**
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* @}
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*/
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/** @defgroup SPI_data_size
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* @{
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*/
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#define SPI_DataSize_16b ((uint16_t)0x0800)
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#define SPI_DataSize_8b ((uint16_t)0x0000)
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/**
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* @}
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*/
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/** @defgroup SPI_Clock_Polarity
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* @{
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*/
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#define SPI_CPOL_Low ((uint16_t)0x0000)
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#define SPI_CPOL_High ((uint16_t)0x0002)
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/**
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* @}
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*/
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/** @defgroup SPI_Clock_Phase
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* @{
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*/
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#define SPI_CPHA_1Edge ((uint16_t)0x0000)
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#define SPI_CPHA_2Edge ((uint16_t)0x0001)
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/**
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* @}
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*/
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/** @defgroup SPI_Slave_Select_management
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* @{
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*/
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#define SPI_NSS_Soft ((uint16_t)0x0200)
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#define SPI_NSS_Hard ((uint16_t)0x0000)
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/**
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* @}
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*/
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/** @defgroup SPI_BaudRate_Prescaler
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* @{
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*/
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#define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
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#define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
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#define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
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#define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
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#define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
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#define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
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#define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
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#define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
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/**
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* @}
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*/
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/** @defgroup SPI_MSB_LSB_transmission
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* @{
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*/
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#define SPI_FirstBit_MSB ((uint16_t)0x0000)
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#define SPI_FirstBit_LSB ((uint16_t)0x0080)
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/**
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* @}
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*/
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/** @defgroup SPI_DMA_transfer_requests
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* @{
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*/
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#define SPI_DMAReq_Tx ((uint16_t)0x0002)
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#define SPI_DMAReq_Rx ((uint16_t)0x0001)
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/**
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* @}
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*/
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/** @defgroup SPI_NSS_internal_software_management
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* @{
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*/
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#define SPI_NSSInternalSoft_Set ((uint16_t)0x0100)
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#define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
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/**
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* @}
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*/
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/** @defgroup SPI_CRC_Transmit_Receive
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* @{
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*/
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#define SPI_CRC_Tx ((uint8_t)0x00)
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#define SPI_CRC_Rx ((uint8_t)0x01)
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/**
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* @}
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*/
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/** @defgroup SPI_direction_transmit_receive
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* @{
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*/
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#define SPI_Direction_Rx ((uint16_t)0xBFFF)
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#define SPI_Direction_Tx ((uint16_t)0x4000)
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/**
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* @}
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*/
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/** @defgroup SPI_interrupts_definition
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* @{
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*/
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#define SPI_IT_TXE ((uint8_t)0x71)
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#define SPI_IT_RXNE ((uint8_t)0x60)
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#define SPI_IT_ERR ((uint8_t)0x50)
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#define SPI_IT_OVR ((uint8_t)0x56)
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#define SPI_IT_MODF ((uint8_t)0x55)
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#define SPI_IT_CRCERR ((uint8_t)0x54)
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/**
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* @}
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*/
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/** @defgroup SPI_flags_definition
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* @{
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*/
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#define SPI_FLAG_RXNE ((uint16_t)0x0001)
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#define SPI_FLAG_TXE ((uint16_t)0x0002)
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#define SPI_FLAG_CRCERR ((uint16_t)0x0010)
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#define SPI_FLAG_MODF ((uint16_t)0x0020)
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#define SPI_FLAG_OVR ((uint16_t)0x0040)
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#define SPI_FLAG_BSY ((uint16_t)0x0080)
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/**
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* @}
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*/
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/* Function Prototypes -------------------------------------------------------*/
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/** @defgroup SPI_Exported_Functions
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* @{
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*/
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void LHL_SPI_DeInit(SPI_TypeDef* pSPIx);
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void LHL_SPI_Init(SPI_TypeDef* pSPIx, SPI_InitTypeDef* SPI_Init);
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void LHL_SPI_Cmd(SPI_TypeDef* pSPIx, FunctionalState NewState);
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void LHL_SPI_ITConfig(SPI_TypeDef* pSPIx, uint8_t SPI_IT, FunctionalState NewState);
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ITStatus LHL_SPI_GetPending(SPI_TypeDef* SPIx, uint8_t SPI_IT);
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void LHL_SPI_ClearPending(SPI_TypeDef* SPIx, uint8_t SPI_IT);
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void LHL_SPI_SendData(SPI_TypeDef* SPIx, uint16_t Data);
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uint16_t LHL_SPI_ReceiveData(SPI_TypeDef* SPIx);
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LHL_StatusTypeDef LHL_SPI_Transmit(SPI_TypeDef *pSPIx, const uint8_t* pTxData, uint16_t size, uint32_t Timeout);
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LHL_StatusTypeDef LHL_SPI_Receive(SPI_TypeDef *pSPIx, uint8_t* pRxData, uint16_t size, uint32_t Timeout);
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LHL_StatusTypeDef LHL_SPI_TransmitReceive(SPI_TypeDef *pSPIx, const uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
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FlagStatus LHL_SPI_GetFlag(SPI_TypeDef* pSPIx, uint16_t SPI_FLAG);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*********************************End of File**********************************/
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