145 lines
4.6 KiB
C
145 lines
4.6 KiB
C
/*******************************************************************************
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* File Name: SCSI_Out_DBx.c
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* Version 1.90
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*
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* Description:
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* This file contains API to enable firmware control of a Pins component.
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*
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* Note:
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*
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********************************************************************************
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* Copyright 2008-2012, Cypress Semiconductor Corporation. All rights reserved.
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* You may use this file only in accordance with the license, terms, conditions,
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* disclaimers, and limitations in the end user license agreement accompanying
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* the software package with which this file was provided.
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*******************************************************************************/
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#include "cytypes.h"
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#include "SCSI_Out_DBx.h"
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/* APIs are not generated for P15[7:6] on PSoC 5 */
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#if !(CY_PSOC5A &&\
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SCSI_Out_DBx__PORT == 15 && ((SCSI_Out_DBx__MASK & 0xC0) != 0))
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/*******************************************************************************
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* Function Name: SCSI_Out_DBx_Write
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********************************************************************************
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*
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* Summary:
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* Assign a new value to the digital port's data output register.
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*
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* Parameters:
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* prtValue: The value to be assigned to the Digital Port.
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*
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* Return:
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* None
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*
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*******************************************************************************/
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void SCSI_Out_DBx_Write(uint8 value)
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{
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uint8 staticBits = (SCSI_Out_DBx_DR & (uint8)(~SCSI_Out_DBx_MASK));
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SCSI_Out_DBx_DR = staticBits | ((uint8)(value << SCSI_Out_DBx_SHIFT) & SCSI_Out_DBx_MASK);
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}
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/*******************************************************************************
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* Function Name: SCSI_Out_DBx_SetDriveMode
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********************************************************************************
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*
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* Summary:
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* Change the drive mode on the pins of the port.
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*
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* Parameters:
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* mode: Change the pins to this drive mode.
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*
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* Return:
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* None
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*
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*******************************************************************************/
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void SCSI_Out_DBx_SetDriveMode(uint8 mode)
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{
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CyPins_SetPinDriveMode(SCSI_Out_DBx_0, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_1, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_2, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_3, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_4, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_5, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_6, mode);
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CyPins_SetPinDriveMode(SCSI_Out_DBx_7, mode);
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}
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/*******************************************************************************
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* Function Name: SCSI_Out_DBx_Read
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********************************************************************************
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*
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* Summary:
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* Read the current value on the pins of the Digital Port in right justified
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* form.
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*
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* Parameters:
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* None
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*
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* Return:
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* Returns the current value of the Digital Port as a right justified number
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*
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* Note:
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* Macro SCSI_Out_DBx_ReadPS calls this function.
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*
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*******************************************************************************/
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uint8 SCSI_Out_DBx_Read(void)
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{
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return (SCSI_Out_DBx_PS & SCSI_Out_DBx_MASK) >> SCSI_Out_DBx_SHIFT;
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}
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/*******************************************************************************
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* Function Name: SCSI_Out_DBx_ReadDataReg
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********************************************************************************
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*
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* Summary:
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* Read the current value assigned to a Digital Port's data output register
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*
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* Parameters:
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* None
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*
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* Return:
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* Returns the current value assigned to the Digital Port's data output register
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*
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*******************************************************************************/
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uint8 SCSI_Out_DBx_ReadDataReg(void)
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{
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return (SCSI_Out_DBx_DR & SCSI_Out_DBx_MASK) >> SCSI_Out_DBx_SHIFT;
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}
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/* If Interrupts Are Enabled for this Pins component */
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#if defined(SCSI_Out_DBx_INTSTAT)
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/*******************************************************************************
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* Function Name: SCSI_Out_DBx_ClearInterrupt
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********************************************************************************
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* Summary:
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* Clears any active interrupts attached to port and returns the value of the
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* interrupt status register.
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*
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* Parameters:
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* None
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*
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* Return:
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* Returns the value of the interrupt status register
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*
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*******************************************************************************/
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uint8 SCSI_Out_DBx_ClearInterrupt(void)
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{
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return (SCSI_Out_DBx_INTSTAT & SCSI_Out_DBx_MASK) >> SCSI_Out_DBx_SHIFT;
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}
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#endif /* If Interrupts Are Enabled for this Pins component */
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#endif /* CY_PSOC5A... */
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/* [] END OF FILE */
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