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/*******************************************************************************
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* File Name: Red_LED.c
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* Version 2.10
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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 2008-2014, 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 "Red_LED.h"
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#define SetP4PinDriveMode(shift, mode) \
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do { \
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Red_LED_PC = (Red_LED_PC & \
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(uint32)(~(uint32)(Red_LED_DRIVE_MODE_IND_MASK << (Red_LED_DRIVE_MODE_BITS * (shift))))) | \
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(uint32)((uint32)(mode) << (Red_LED_DRIVE_MODE_BITS * (shift))); \
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} while (0)
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/*******************************************************************************
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* Function Name: Red_LED_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 Red_LED_Write(uint8 value)
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{
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uint8 drVal = (uint8)(Red_LED_DR & (uint8)(~Red_LED_MASK));
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drVal = (drVal | ((uint8)(value << Red_LED_SHIFT) & Red_LED_MASK));
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Red_LED_DR = (uint32)drVal;
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}
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/*******************************************************************************
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* Function Name: Red_LED_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 one of the following drive modes.
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*
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* Red_LED_DM_STRONG Strong Drive
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* Red_LED_DM_OD_HI Open Drain, Drives High
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* Red_LED_DM_OD_LO Open Drain, Drives Low
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* Red_LED_DM_RES_UP Resistive Pull Up
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* Red_LED_DM_RES_DWN Resistive Pull Down
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* Red_LED_DM_RES_UPDWN Resistive Pull Up/Down
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* Red_LED_DM_DIG_HIZ High Impedance Digital
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* Red_LED_DM_ALG_HIZ High Impedance Analog
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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 Red_LED_SetDriveMode(uint8 mode)
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{
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SetP4PinDriveMode(Red_LED__0__SHIFT, mode);
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}
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/*******************************************************************************
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* Function Name: Red_LED_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 Red_LED_ReadPS calls this function.
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*
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*******************************************************************************/
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uint8 Red_LED_Read(void)
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{
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return (uint8)((Red_LED_PS & Red_LED_MASK) >> Red_LED_SHIFT);
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}
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/*******************************************************************************
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* Function Name: Red_LED_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 Red_LED_ReadDataReg(void)
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{
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return (uint8)((Red_LED_DR & Red_LED_MASK) >> Red_LED_SHIFT);
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}
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/* If Interrupts Are Enabled for this Pins component */
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#if defined(Red_LED_INTSTAT)
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/*******************************************************************************
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* Function Name: Red_LED_ClearInterrupt
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********************************************************************************
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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 Red_LED_ClearInterrupt(void)
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{
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uint8 maskedStatus = (uint8)(Red_LED_INTSTAT & Red_LED_MASK);
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Red_LED_INTSTAT = maskedStatus;
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return maskedStatus >> Red_LED_SHIFT;
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}
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#endif /* If Interrupts Are Enabled for this Pins component */
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/* [] END OF FILE */
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