Mercurial > ecos

--- a/packages/hal/cortexm/kinetis/var/current/ChangeLog
+++ b/packages/hal/cortexm/kinetis/var/current/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-15  Tomas Frydrych <tomas@sleepfive.com>
+
+	* include/var_io_gpio.h:
+	Convenience macros for manipulating GPIO pins.
+
 2011-10-19  Ilija Kocho  <ilijak@siva.com.mk>

 	* cdl/hal_cortexm_kinetis.cdl:
--- a/packages/hal/cortexm/kinetis/var/current/include/var_io.h
+++ b/packages/hal/cortexm/kinetis/var/current/include/var_io.h
@@ -1029,6 +1029,10 @@ typedef volatile struct cyghwr_hal_kinet
 # include <cyg/hal/var_io_flexbus.h>
 #endif

+//---------------------------------------------------------------------------
+// GPIO
+#include <cyg/hal/var_io_gpio.h>
+
 //=============================================================================
 // DEVS:
 // Following macros may also be, and usually are borrwed by some device drivers.
new file mode 100644
--- /dev/null
+++ b/packages/hal/cortexm/kinetis/var/current/include/var_io_gpio.h
@@ -0,0 +1,122 @@
+#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