668 lines
18 KiB
C
668 lines
18 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// pin.c
|
||
|
|
//
|
||
|
|
// Mapping of peripherals to pins.
|
||
|
|
//
|
||
|
|
// Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions
|
||
|
|
// are met:
|
||
|
|
//
|
||
|
|
// Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
//
|
||
|
|
// Redistributions in binary form must reproduce the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer in the
|
||
|
|
// documentation and/or other materials provided with the
|
||
|
|
// distribution.
|
||
|
|
//
|
||
|
|
// Neither the name of Texas Instruments Incorporated nor the names of
|
||
|
|
// its contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! \addtogroup pin_api
|
||
|
|
//! @{
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
#include "inc/hw_types.h"
|
||
|
|
#include "inc/hw_memmap.h"
|
||
|
|
#include "inc/hw_ocp_shared.h"
|
||
|
|
#include "pin.h"
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
// Macros
|
||
|
|
//*****************************************************************************
|
||
|
|
#define PAD_MODE_MASK 0x0000000F
|
||
|
|
#define PAD_STRENGTH_MASK 0x000000E0
|
||
|
|
#define PAD_TYPE_MASK 0x00000310
|
||
|
|
#define PAD_CONFIG_BASE ((OCP_SHARED_BASE + \
|
||
|
|
OCP_SHARED_O_GPIO_PAD_CONFIG_0))
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
// PIN to PAD matrix
|
||
|
|
//*****************************************************************************
|
||
|
|
static const unsigned long g_ulPinToPadMap[64] =
|
||
|
|
{
|
||
|
|
10,11,12,13,14,15,16,17,255,255,18,
|
||
|
|
19,20,21,22,23,24,40,28,29,25,255,
|
||
|
|
255,255,255,255,255,255,255,255,255,255,255,
|
||
|
|
255,255,255,255,255,255,255,255,255,255,255,
|
||
|
|
31,255,255,255,255,0,255,32,30,255,1,
|
||
|
|
255,2,3,4,5,6,7,8,9
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Configures pin mux for the specified pin.
|
||
|
|
//!
|
||
|
|
//! \param ulPin is a valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid mode
|
||
|
|
//!
|
||
|
|
//! This function configures the pin mux that selects the peripheral function
|
||
|
|
//! associated with a particular SOC pin. Only one peripheral function at a
|
||
|
|
//! time can be associated with a pin, and each peripheral function should
|
||
|
|
//! only be associated with a single pin at a time.
|
||
|
|
//!
|
||
|
|
//! \return none
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinModeSet(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
|
||
|
|
unsigned long ulPad;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the corresponding Pad
|
||
|
|
//
|
||
|
|
ulPad = g_ulPinToPadMap[ulPin & 0x3F];
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the mode.
|
||
|
|
//
|
||
|
|
HWREG(ulPad) = (((HWREG(ulPad) & ~PAD_MODE_MASK) | ulPinMode) & ~(3<<10));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Gets current pin mux configuration of specified pin.
|
||
|
|
//!
|
||
|
|
//! \param ulPin is a valid pin.
|
||
|
|
//!
|
||
|
|
//! This function get the current configuration of the pin mux.
|
||
|
|
//!
|
||
|
|
//! \return Returns current pin mode if \e ulPin is valid, 0xFF otherwise.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
unsigned long PinModeGet(unsigned long ulPin)
|
||
|
|
{
|
||
|
|
|
||
|
|
unsigned long ulPad;
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the corresponding Pad
|
||
|
|
//
|
||
|
|
ulPad = g_ulPinToPadMap[ulPin & 0x3F];
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE) ;
|
||
|
|
|
||
|
|
//
|
||
|
|
// return the mode.
|
||
|
|
//
|
||
|
|
return (HWREG(ulPad) & PAD_MODE_MASK);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the direction of the specified pin(s).
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinIO is the pin direction and/or mode.
|
||
|
|
//!
|
||
|
|
//! This function configures the specified pin(s) as either input only or
|
||
|
|
//! output only or it configures the pin to be under hardware control.
|
||
|
|
//!
|
||
|
|
//! The parameter \e ulPinIO is an enumerated data type that can be one of
|
||
|
|
//! the following values:
|
||
|
|
//!
|
||
|
|
//! - \b PIN_DIR_MODE_IN
|
||
|
|
//! - \b PIN_DIR_MODE_OUT
|
||
|
|
//! - \b PIN_DIR_MODE_HW
|
||
|
|
//!
|
||
|
|
//! where \b PIN_DIR_MODE_IN specifies that the pin is programmed as a
|
||
|
|
//! input only, \b PIN_DIR_MODE_OUT specifies that the pin is
|
||
|
|
//! programmed output only, and \b PIN_DIR_MODE_HW specifies that the pin is
|
||
|
|
//! placed under hardware control.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinDirModeSet(unsigned long ulPin, unsigned long ulPinIO)
|
||
|
|
{
|
||
|
|
unsigned long ulPad;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the corresponding Pad
|
||
|
|
//
|
||
|
|
ulPad = g_ulPinToPadMap[ulPin & 0x3F];
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the direction
|
||
|
|
//
|
||
|
|
HWREG(ulPad) = ((HWREG(ulPad) & ~0xC00) | ulPinIO);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Gets the direction of a pin.
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//!
|
||
|
|
//! This function gets the direction and control mode for a specified pin on
|
||
|
|
//! the selected GPIO port. The pin can be configured as either an input only
|
||
|
|
//! or output only, or it can be under hardware control. The type of control
|
||
|
|
//! and direction are returned as an enumerated data type.
|
||
|
|
//!
|
||
|
|
//! \return Returns one of the enumerated data types described for
|
||
|
|
//! GPIODirModeSet().
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
unsigned long PinDirModeGet(unsigned long ulPin)
|
||
|
|
{
|
||
|
|
unsigned long ulPad;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the corresponding Pad
|
||
|
|
//
|
||
|
|
ulPad = g_ulPinToPadMap[ulPin & 0x3F];
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Return the direction
|
||
|
|
//
|
||
|
|
return ((HWREG(ulPad) & 0xC00));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Gets Pin output drive strength and Type
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin
|
||
|
|
//! \param pulPinStrength is pointer to storage for output drive strength
|
||
|
|
//! \param pulPinType is pinter to storage for pin type
|
||
|
|
//!
|
||
|
|
//! This function gets the pin type and output drive strength for the pin
|
||
|
|
//! specified by \e ulPin parameter. Parameters \e pulPinStrength and
|
||
|
|
//! \e pulPinType corresponds to the values used in PinConfigSet().
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinConfigGet(unsigned long ulPin,unsigned long *pulPinStrength,
|
||
|
|
unsigned long *pulPinType)
|
||
|
|
{
|
||
|
|
|
||
|
|
unsigned long ulPad;
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the corresponding Pad
|
||
|
|
//
|
||
|
|
ulPad = g_ulPinToPadMap[ulPin & 0x3F];
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE);
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the type
|
||
|
|
//
|
||
|
|
*pulPinType = (HWREG(ulPad) & PAD_TYPE_MASK);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the output drive strength
|
||
|
|
//
|
||
|
|
*pulPinStrength = (HWREG(ulPad) & PAD_STRENGTH_MASK);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Configure Pin output drive strength and Type
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin
|
||
|
|
//! \param ulPinStrength is logical OR of valid output drive strengths.
|
||
|
|
//! \param ulPinType is one of the valid pin type.
|
||
|
|
//!
|
||
|
|
//! This function sets the pin type and strength for the pin specified by
|
||
|
|
//! \e ulPin parameter.
|
||
|
|
//!
|
||
|
|
//! The parameter \e ulPinStrength should be one of the following
|
||
|
|
//! - \b PIN_STRENGTH_2MA
|
||
|
|
//! - \b PIN_STRENGTH_4MA
|
||
|
|
//! - \b PIN_STRENGTH_6MA
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! The parameter \e ulPinType should be one of the following
|
||
|
|
//! For standard type
|
||
|
|
//!
|
||
|
|
//! - \b PIN_TYPE_STD
|
||
|
|
//! - \b PIN_TYPE_STD_PU
|
||
|
|
//! - \b PIN_TYPE_STD_PD
|
||
|
|
//!
|
||
|
|
//! And for Open drain type
|
||
|
|
//!
|
||
|
|
//! - \b PIN_TYPE_OD
|
||
|
|
//! - \b PIN_TYPE_OD_PU
|
||
|
|
//! - \b PIN_TYPE_OD_PD
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinConfigSet(unsigned long ulPin,unsigned long ulPinStrength,
|
||
|
|
unsigned long ulPinType)
|
||
|
|
{
|
||
|
|
|
||
|
|
unsigned long ulPad;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the corresponding Pad
|
||
|
|
//
|
||
|
|
ulPad = g_ulPinToPadMap[ulPin & 0x3F];
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the register
|
||
|
|
//
|
||
|
|
if(ulPinType == PIN_TYPE_ANALOG)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Isolate the input
|
||
|
|
//
|
||
|
|
HWREG(0x4402E144) |= ((0x80 << ulPad) & (0x1E << 8));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Isolate the output
|
||
|
|
//
|
||
|
|
HWREG(ulPad) |= 0xC00;
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Enable the input
|
||
|
|
//
|
||
|
|
HWREG(0x4402E144) &= ~((0x80 << ulPad) & (0x1E << 8));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the register address
|
||
|
|
//
|
||
|
|
ulPad = ((ulPad << 2) + PAD_CONFIG_BASE);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the configuration
|
||
|
|
//
|
||
|
|
HWREG(ulPad) = ((HWREG(ulPad) & ~(PAD_STRENGTH_MASK | PAD_TYPE_MASK)) |
|
||
|
|
(ulPinStrength | ulPinType ));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by UART peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The UART pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin(s); other configurations may work as well depending upon the
|
||
|
|
//! board setup (for example, using the on-chip pull-ups).
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a UART pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper UART operation.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeUART(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for standard operation
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA,PIN_TYPE_STD);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by I2C peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The I2C pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! the pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a I2C pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper I2C operation.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeI2C(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for open-drain operation with a weak pull-up.
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA,PIN_TYPE_OD_PU);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by SPI peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The SPI pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a SPI pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper SPI operation.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeSPI(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for standard operation
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA|PIN_STRENGTH_4MA,PIN_TYPE_STD);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by I2S peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The I2S pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a I2S pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper I2S operation.
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeI2S(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for standard operation
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA|PIN_STRENGTH_4MA,PIN_TYPE_STD);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by Timer peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The timer PWM pins must be properly configured for the Timer peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin; other configurations may work as well depending upon the
|
||
|
|
//! board setup (for example, using the on-chip pull-ups).
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a timer PWM pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper timer PWM operation.
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeTimer(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for standard operation
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA|PIN_STRENGTH_4MA,PIN_TYPE_STD);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by Camera peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The Camera pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a Camera pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper Camera operation.
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeCamera(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for standard operation
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA|PIN_STRENGTH_4MA,PIN_TYPE_STD);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by GPIO peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//! \param bOpenDrain is one to decide either OpenDrain or STD
|
||
|
|
//!
|
||
|
|
//! The GPIO pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeGPIO(unsigned long ulPin,unsigned long ulPinMode,tBoolean bOpenDrain)
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin for standard push-pull operation.
|
||
|
|
//
|
||
|
|
if(bOpenDrain)
|
||
|
|
{
|
||
|
|
PinConfigSet(ulPin, PIN_STRENGTH_2MA, PIN_TYPE_OD);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
PinConfigSet(ulPin, PIN_STRENGTH_2MA, PIN_TYPE_STD);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the pin to specified mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin, ulPinMode);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by ADC
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The ADC pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a ADC pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper ADC operation.
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeADC(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Configure the Pin
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA,PIN_TYPE_ANALOG);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
//! Sets the pin mode and configures the pin for use by SD Host peripheral
|
||
|
|
//!
|
||
|
|
//! \param ulPin is one of the valid pin.
|
||
|
|
//! \param ulPinMode is one of the valid pin mode.
|
||
|
|
//!
|
||
|
|
//! The MMC pins must be properly configured for the peripheral to
|
||
|
|
//! function correctly. This function provides a typical configuration for
|
||
|
|
//! those pin.
|
||
|
|
//!
|
||
|
|
//!
|
||
|
|
//! \note This function cannot be used to turn any pin into a SD Host pin; it
|
||
|
|
//! only sets the pin mode and configures it for proper SD Host operation.
|
||
|
|
//!
|
||
|
|
//! \return None.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
void PinTypeSDHost(unsigned long ulPin,unsigned long ulPinMode)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Set pin mode
|
||
|
|
//
|
||
|
|
PinModeSet(ulPin,ulPinMode);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Configure the Pin
|
||
|
|
//
|
||
|
|
PinConfigSet(ulPin,PIN_STRENGTH_2MA,PIN_TYPE_STD);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Close the Doxygen group.
|
||
|
|
//! @}
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|