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154 lines
7.1 KiB
154 lines
7.1 KiB
/********************************** (C) COPYRIGHT ******************************* |
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* File Name : ch32v00x_spi.h |
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* Author : WCH |
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* Version : V1.0.0 |
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* Date : 2022/08/08 |
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* Description : This file contains all the functions prototypes for the |
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* SPI firmware library. |
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********************************************************************************* |
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. |
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* Attention: This software (modified or not) and binary are used for |
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* microcontroller manufactured by Nanjing Qinheng Microelectronics. |
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*******************************************************************************/ |
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#ifndef __CH32V00x_SPI_H |
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#define __CH32V00x_SPI_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include <ch32v00x.h> |
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/* SPI Init structure definition */ |
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typedef struct |
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{ |
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uint16_t SPI_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 SPI_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 SPI_DataSize; /* Specifies the SPI data size. |
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This parameter can be a value of @ref SPI_data_size */ |
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uint16_t SPI_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 SPI_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 SPI_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 SPI_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 SPI_FirstBit; /* Specifies whether data transfers start from MSB bit. */ |
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uint16_t SPI_CRCPolynomial; /* Specifies the polynomial used for the CRC calculation. */ |
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} SPI_InitTypeDef; |
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/* SPI_data_direction */ |
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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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/* SPI_mode */ |
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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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/* SPI_data_size */ |
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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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/* SPI_Clock_Polarity */ |
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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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/* SPI_Clock_Phase */ |
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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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/* SPI_Slave_Select_management */ |
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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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/* SPI_BaudRate_Prescaler */ |
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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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/* SPI_MSB transmission */ |
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#define SPI_FirstBit_MSB ((uint16_t)0x0000) |
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/* SPI_I2S_DMA_transfer_requests */ |
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#define SPI_I2S_DMAReq_Tx ((uint16_t)0x0002) |
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#define SPI_I2S_DMAReq_Rx ((uint16_t)0x0001) |
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/* SPI_NSS_internal_software_management */ |
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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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/* SPI_CRC_Transmit_Receive */ |
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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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/* SPI_direction_transmit_receive */ |
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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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/* SPI_I2S_interrupts_definition */ |
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#define SPI_I2S_IT_TXE ((uint8_t)0x71) |
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#define SPI_I2S_IT_RXNE ((uint8_t)0x60) |
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#define SPI_I2S_IT_ERR ((uint8_t)0x50) |
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#define SPI_I2S_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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#define I2S_IT_UDR ((uint8_t)0x53) |
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/* SPI_I2S_flags_definition */ |
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#define SPI_I2S_FLAG_RXNE ((uint16_t)0x0001) |
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#define SPI_I2S_FLAG_TXE ((uint16_t)0x0002) |
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#define I2S_FLAG_CHSIDE ((uint16_t)0x0004) |
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#define I2S_FLAG_UDR ((uint16_t)0x0008) |
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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_I2S_FLAG_OVR ((uint16_t)0x0040) |
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#define SPI_I2S_FLAG_BSY ((uint16_t)0x0080) |
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void SPI_I2S_DeInit(SPI_TypeDef *SPIx); |
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void SPI_Init(SPI_TypeDef *SPIx, SPI_InitTypeDef *SPI_InitStruct); |
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void SPI_StructInit(SPI_InitTypeDef *SPI_InitStruct); |
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void SPI_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState); |
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void SPI_I2S_ITConfig(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState); |
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void SPI_I2S_DMACmd(SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState); |
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void SPI_I2S_SendData(SPI_TypeDef *SPIx, uint16_t Data); |
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uint16_t SPI_I2S_ReceiveData(SPI_TypeDef *SPIx); |
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void SPI_NSSInternalSoftwareConfig(SPI_TypeDef *SPIx, uint16_t SPI_NSSInternalSoft); |
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void SPI_SSOutputCmd(SPI_TypeDef *SPIx, FunctionalState NewState); |
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void SPI_DataSizeConfig(SPI_TypeDef *SPIx, uint16_t SPI_DataSize); |
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void SPI_TransmitCRC(SPI_TypeDef *SPIx); |
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void SPI_CalculateCRC(SPI_TypeDef *SPIx, FunctionalState NewState); |
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uint16_t SPI_GetCRC(SPI_TypeDef *SPIx, uint8_t SPI_CRC); |
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uint16_t SPI_GetCRCPolynomial(SPI_TypeDef *SPIx); |
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void SPI_BiDirectionalLineConfig(SPI_TypeDef *SPIx, uint16_t SPI_Direction); |
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FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG); |
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void SPI_I2S_ClearFlag(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG); |
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ITStatus SPI_I2S_GetITStatus(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT); |
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void SPI_I2S_ClearITPendingBit(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /*__CH32V00x_SPI_H */
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