bspi.h
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上传日期:2022-07-18
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微处理器开发
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C/C++
- /******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
- * File Name : bspi.h
- * Author : MCD Application Team
- * Date First Issued : 16/05/2003
- * Description : This file contains all the functions prototypes for the
- * BSPI software library.
- ********************************************************************************
- * History:
- * 01/01/2004 : V1.2
- * 14/07/2004 : V1.3
- *******************************************************************************/
- #ifndef __bspi_H
- #define __bspi_H
- #include "71x_lib.h"
- typedef enum {
- BSPI_BERIT = 0x80,
- BSPI_RCIT = 0x10,
- BSPI_ALL = 0x90
- } BSPI_ITS;
- typedef enum {
- BSPI_BERR = 0x004,
- BSPI_RFNE = 0x008,
- BSPI_RFF = 0x010,
- BSPI_ROFL = 0x020,
- BSPI_TFE = 0x040,
- BSPI_TUFL = 0x080,
- BSPI_TFF = 0x100,
- BSPI_TFNE = 0x200
- } BSPI_Flags;
- typedef enum {
- BSPI_TR_FE,
- BSPI_TR_UFL,
- BSPI_TR_FF,
- BSPI_TR_DIS
- } BSPI_TR_IT_SRCS;
- typedef enum {
- BSPI_RC_FNE,
- BSPI_RC_FF,
- BSPI_RC_DIS
- } BSPI_RC_IR_SRCS;
- #define BSPI_PESET_Mask 0x01
- #define BSPI_DFIFO_Mask 0xFFFE
- #define BSPI_CPHA_Mask 0x200
- #define BSPI_CPOL_Mask 0x100
- #define BSPI_BSPI0_Base 0xA000
- #define BSPI_BSPI1_Base 0xB000
- /*******************************************************************************
- * Function Name : BSPI_BSPI0Conf
- * Description : configure STARM71x on BSPI0 mode.
- * Input 2 : NewState: specifies the status of the BSPI
- * : NewState value must be either ENABLE or DISABLE:
- * : ENABLE: the specified BSPI0 peripheral will be enabled.
- * : DISABLE: the specified BSPI0 peripheral will be disabled..
- * Output : SPI0 EN bit in BOOTCR.
- * Return : None.
- *******************************************************************************/
- inline void BSPI_BSPI0Conf(FunctionalState NewState)
- {
- if (NewState == ENABLE) PCU->BOOTCR |= 0x04; else PCU->BOOTCR &= ~0x04;
- }
- /*******************************************************************************
- * Function Name : BSPI_Init
- * Description : Initializes BSPI peripheral control and registers to their default reset values.
- * Input : BSPIx where x can be 0 or 1 to select the BSPI peripheral.
- * Output : BSPI peripheral registers and BSPI global variables are initialized.
- * Return : None.
- *******************************************************************************/
- void BSPI_Init( BSPI_TypeDef *BSPIx);
- /*******************************************************************************
- * Function Name : BSPI_Enable
- * Description : Enables/disables the specified BSPI peripheral.
- * Input 1 : BSPIx where x can be 0 or 1 to select the BSPI peripheral to be enabled or disabled.
- * Input 2 : NewState: specifies the status of the BSPI
- * : NewState value must be either ENABLE or DISABLE:
- * : ENABLE: the specified BSPI peripheral will be enabled.
- * : DISABLE: the specified BSPI peripheral will be disabled.
- * Output : BSPE bit in BSPCSR1.
- * Return : None.
- *******************************************************************************/
- inline void BSPI_Enable( BSPI_TypeDef *BSPIx, FunctionalState NewState)
- {
- if (NewState == ENABLE) BSPIx->CSR1 |= BSPI_PESET_Mask;
- else BSPIx->CSR1 &= ~BSPI_PESET_Mask;
- }
- /*******************************************************************************
- * Function Name : BSPI_MasterEnable
- * Description : Configures the BSPI as a Master or a Slave.
- * Input 1 : BSPIx where x can be 0 or 1 to select the BSPI peripheral.
- * Input 2 : NewState: specifies whether configuring BSPI as master is enabled or disabled.
- * : ENABLE: the specified BSPI will be configured as a master.
- * : DISABLE: the specified BSPI will be configured as a slave.
- * Output : MSTR bit in BSPCSR1 is modified register.
- * Return : None.
- *******************************************************************************/
- inline void BSPI_MasterEnable(BSPI_TypeDef *BSPIx, FunctionalState NewState)
- {
- if (NewState == ENABLE) BSPIx->CSR1 |= 0x02; else BSPIx->CSR1 &= ~0x02;
- }
- /*******************************************************************************
- * Function Name : BSPI_TrItSrc.
- * Description : Configures the transmit interrupt source.
- * Input 1 : BSPIx where x can be 0 or 1 to select the BSPI peripheral.
- * Input 2 : TrItSrc: specifies the transmit interrupt source.
- * : Refer to the section 慣ransmit Interrupt Sources