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changeset 3059:1fbef1fc40eb

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* New wallclock driver.
author sergeig
date Sun, 30 Oct 2011 20:24:28 +0000
parents 30c28c3ad065
children 50f5e8953371
files packages/devs/wallclock/freescale/kinetis/current/ChangeLog packages/devs/wallclock/freescale/kinetis/current/cdl/wallclock_kinetis_rtc.cdl packages/devs/wallclock/freescale/kinetis/current/src/wallclock_kinetis_rtc.cxx
diffstat 3 files changed, 204 insertions(+), 0 deletions(-) [+]
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new file mode 100644
--- /dev/null
+++ b/packages/devs/wallclock/freescale/kinetis/current/ChangeLog
@@ -0,0 +1,29 @@
+2011-04-24  Ilija Kocho  <ilijak@siva.com.mk>
+
+	* cdl/wallclock_kinetis_rtc.cdl:
+	* src/wallclock_kinetis_rtc.cxx:
+	  New wallclock driver
+
+//===========================================================================
+// ####GPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2011 Free Software Foundation, Inc.
+//
+// This program 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.
+//
+// This program 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 this program; if not, write to the
+// Free Software Foundation, Inc., 51 Franklin Street,
+// Fifth Floor, Boston, MA  02110-1301, USA.
+// -------------------------------------------
+// ####GPLCOPYRIGHTEND####
+//===========================================================================
new file mode 100644
--- /dev/null
+++ b/packages/devs/wallclock/freescale/kinetis/current/cdl/wallclock_kinetis_rtc.cdl
@@ -0,0 +1,70 @@
+# ====================================================================
+#
+#      wallclock_kinetis_rtc.cdl
+#
+#      eCos configuration data for Kinetis RTC
+#
+# ====================================================================
+## ####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):      ilijak
+# Contributors:
+# Date:           2011-04-23
+#
+#####DESCRIPTIONEND####
+#
+# ====================================================================
+
+cdl_package CYGPKG_DEVICES_WALLCLOCK_KINETIS_RTC {
+    display       "Real-time clock"
+
+    description   "Driver for the Kinetis RTC"
+
+    parent        CYGPKG_IO_WALLCLOCK
+    active_if     CYGPKG_IO_WALLCLOCK
+
+    compile       wallclock_kinetis_rtc.cxx
+
+    implements    CYGINT_WALLCLOCK_HW_IMPLEMENTATIONS
+    active_if     CYGIMP_WALLCLOCK_HARDWARE
+    implements    CYGINT_WALLCLOCK_SET_GET_MODE_SUPPORTED
+
+    cdl_option CYGIMP_WALLCLOCK_HARDWARE {
+        parent        CYGPKG_IO_WALLCLOCK_IMPLEMENTATION
+        display       "Hardware wallclock"
+        default_value 1
+        implements    CYGINT_WALLCLOCK_IMPLEMENTATIONS
+    }
+}
new file mode 100644
--- /dev/null
+++ b/packages/devs/wallclock/freescale/kinetis/current/src/wallclock_kinetis_rtc.cxx
@@ -0,0 +1,105 @@
+//==========================================================================
+//
+//      wallclock_kinetis_rtc.cxx
+//
+//      Wallclock implementation for Kinetis RTC module
+//
+//==========================================================================
+// ####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):     Ilija Kocho <ilijak@siva.com.mk>
+// Contributors:
+// Date:          2011-04-23
+// Purpose:       Wallclock driver for Kinetis RTC module
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/hal.h>
+#include <pkgconf/wallclock.h>
+#include <pkgconf/devices_wallclock_kinetis_rtc.h>
+
+#include <cyg/hal/hal_io.h>
+#include <cyg/hal/hal_intr.h>
+#include <cyg/infra/cyg_type.h>
+
+#include <cyg/io/wallclock.hxx>
+
+void
+Cyg_WallClock::init_hw_seconds(void)
+{
+    volatile cyghwr_hal_kinetis_rtc_t *rtc_p = CYGHWR_HAL_KINETIS_RTC_P;
+#ifdef CYGSEM_WALLCLOCK_SET_GET_MODE
+    // if RTC is disabled (e.g. due to power loss) initialize it.
+    if(!(rtc_p->sr &CYGHWR_HAL_KINETIS_RTC_SR_TCE))
+#endif
+    {
+        // halt clock, reset
+        rtc_p->sr &= ~CYGHWR_HAL_KINETIS_RTC_SR_TCE;
+        // set time
+        rtc_p->tpr = 0;
+        rtc_p->tsr = 0;
+        // restart clock
+        rtc_p->sr |= CYGHWR_HAL_KINETIS_RTC_SR_TCE;
+    }
+}
+
+cyg_uint32
+Cyg_WallClock::get_hw_seconds(void)
+{
+    volatile cyghwr_hal_kinetis_rtc_t *rtc_p = CYGHWR_HAL_KINETIS_RTC_P;
+
+    return rtc_p->tsr;
+}
+
+#ifdef CYGSEM_WALLCLOCK_SET_GET_MODE
+void
+Cyg_WallClock::set_hw_seconds(cyg_uint32 secs)
+{
+    volatile cyghwr_hal_kinetis_rtc_t *rtc_p = CYGHWR_HAL_KINETIS_RTC_P;
+
+    // halt clock, reset
+    rtc_p->sr &= ~CYGHWR_HAL_KINETIS_RTC_SR_TCE;
+    // set time
+    rtc_p->tpr = 0;
+    rtc_p->tsr = secs;
+    // restart clock
+    rtc_p->sr |= CYGHWR_HAL_KINETIS_RTC_SR_TCE;
+}
+#endif // CYGSEM_WALLCLOCK_SET_GET_MODE
+
+//==========================================================================
+// EOF wallclock_kinetis_rtc.cxx