Subversion Repositories openrisc

#ifndef CYGONCE_HAL_VAR_IO_GPIO_H
#define CYGONCE_HAL_VAR_IO_GPIO_H
//===========================================================================
//
//      var_io_gpio.h
//
//      Kinetis GPIO
//
//===========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 2011 Free Software Foundation, Inc.                        
//
// eCos is free software; you can redistribute it and/or modify it under    
// the terms of the GNU General Public License as published by the Free     
// Software Foundation; either version 2 or (at your option) any later      
// version.                                                                 
//
// eCos is distributed in the hope that it will be useful, but WITHOUT      
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
//
// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
// and link it with other works to produce a work based on this file,       
// this file does not by itself cause the resulting work to be covered by   
// the GNU General Public License. However the source code for this file    
// must still be made available in accordance with section (3) of the GNU   
// General Public License v2.                                               
//
// This exception does not invalidate any other reasons why a work based    
// on this file might be covered by the GNU General Public License.         
// -------------------------------------------                              
// ####ECOSGPLCOPYRIGHTEND####                                              
//===========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Tomas Frydrych <tomas@sleepfive.com>
// Date:          2011-11-14
// Purpose:       Kinetis variant specific registers
// Description:
// Usage:         #include <cyg/hal/var_io.h>  // var_io.h includes this file
//
//####DESCRIPTIONEND####
//
//===========================================================================
 
 
//---------------------------------------------------------------------------
// GPIO
typedef volatile struct cyghwr_hal_kinetis_gpio_s {
  cyg_uint32 pdor;
  cyg_uint32 psor;
  cyg_uint32 pcor;
  cyg_uint32 ptor;
  cyg_uint32 pdir;
  cyg_uint32 pddr;
} cyghwr_hal_kinetis_gpio_t;
 
// PTA-PTE base pointers
#define CYGHWR_HAL_KINETIS_GPIO_PORTA_P ((cyghwr_hal_kinetis_gpio_t*)0x400FF000u)
#define CYGHWR_HAL_KINETIS_GPIO_PORTB_P ((cyghwr_hal_kinetis_gpio_t*)0x400FF040u)
#define CYGHWR_HAL_KINETIS_GPIO_PORTC_P ((cyghwr_hal_kinetis_gpio_t*)0x400FF080u)
#define CYGHWR_HAL_KINETIS_GPIO_PORTD_P ((cyghwr_hal_kinetis_gpio_t*)0x400FF0C0u)
#define CYGHWR_HAL_KINETIS_GPIO_PORTE_P ((cyghwr_hal_kinetis_gpio_t*)0x400FF100u)
 
// GPIO register on a given port (register name is lower case)
#define CYGHWR_HAL_KINETIS_GPIO(__port, __reg)           \
  (CYGHWR_HAL_KINETIS_GPIO_PORT##__port##_P)->__reg
 
// Get values for entire port
#define CYGHWR_HAL_KINETIS_GPIO_GET(__port)              \
  CYGHWR_HAL_KINETIS_GPIO(__port, pdir)
 
// Output values for entire port
#define CYGHWR_HAL_KINETIS_GPIO_PUT(__port, __val)       \
  CYGHWR_HAL_KINETIS_GPIO(__port, pdor) = __val
 
// Set values for entire port based on bitmask
#define CYGHWR_HAL_KINETIS_GPIO_SET(__port, __val)       \
  CYGHWR_HAL_KINETIS_GPIO(__port, psor) = __val
 
// Clear values for entire port based on bitmask
#define CYGHWR_HAL_KINETIS_GPIO_CLEAR(__port, __val)     \
  CYGHWR_HAL_KINETIS_GPIO(__port, pcor) = __val
 
// Toggle values for entire port based on bitmask
#define CYGHWR_HAL_KINETIS_GPIO_TOGGLE(__port, __val)    \
  CYGHWR_HAL_KINETIS_GPIO(__port, ptor) = __val
 
// Get value for a single pin on given port
#define CYGHWR_HAL_KINETIS_GPIO_GET_PIN(__port, __pin)   \
  (BIT_(__pin) &  CYGHWR_HAL_KINETIS_GPIO_GET(__port))
 
// Set a single pin on a given register
#define CYGHWR_HAL_KINETIS_GPIO_SET_PIN(__port, __pin)   \
  CYGHWR_HAL_KINETIS_GPIO_SET(__port, BIT_(__pin))
 
// Clear a single pin on a given register
#define CYGHWR_HAL_KINETIS_GPIO_CLEAR_PIN(__port, __pin) \
  CYGHWR_HAL_KINETIS_GPIO_CLEAR(__port, BIT_(__pin))
 
// Toggle a single pin on a given register
#define CYGHWR_HAL_KINETIS_GPIO_TOGGLE_PIN(__port, __pin)  \
  CYGHWR_HAL_KINETIS_GPIO_TOGGLE(__port, BIT_(__pin))
 
// Set pin data direction
#define CYGHWR_HAL_KINETIS_GPIO_PIN_DDR_OUT(__port, __pin) \
  CYGHWR_HAL_KINETIS_GPIO(__port, pddr) |= BIT_(__pin)
 
#define CYGHWR_HAL_KINETIS_GPIO_PIN_DDR_IN(__port, __pin)  \
  CYGHWR_HAL_KINETIS_GPIO(__port, pddr) &= ~BIT_(__pin)
 
//-----------------------------------------------------------------------------
// end of var_io_gpio.h
#endif // CYGONCE_HAL_VAR_IO_GPIO_H