diff options
Diffstat (limited to 'c/src/lib/libbsp/shared/tod.c')
| -rw-r--r-- | c/src/lib/libbsp/shared/tod.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/c/src/lib/libbsp/shared/tod.c b/c/src/lib/libbsp/shared/tod.c deleted file mode 100644 index b43c7c1c04..0000000000 --- a/c/src/lib/libbsp/shared/tod.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * Real Time Clock Driver Wrapper for Libchip - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> -#include <libchip/rtc.h> - -/* - * Configuration Information - */ - -extern unsigned long RTC_Count; -extern rtems_device_minor_number RTC_Minor; - -int RTC_Present; - -/* - * rtc_initialize - * - * Initialize the RTC driver - */ - -rtems_device_driver rtc_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor_arg, - void *arg -) -{ - rtems_device_minor_number minor; - rtems_status_code status; - - for (minor=0; minor < RTC_Count ; minor++) { - /* - * First perform the configuration dependent probe, then the - * device dependent probe - */ - - if (RTC_Table[minor].deviceProbe && RTC_Table[minor].deviceProbe(minor)) { - /* - * Use this device as the primary RTC - */ - RTC_Minor = minor; - RTC_Present = 1; - break; - } - } - - if ( !RTC_Present ) { - /* - * Failed to find an RTC -- this is not a fatal error. - */ - - return RTEMS_INVALID_NUMBER; - } - - /* - * Register and initialize the primary RTC's - */ - - status = rtems_io_register_name( "/dev/rtc", major, RTC_Minor ); - if (status != RTEMS_SUCCESSFUL) { - rtems_fatal_error_occurred(status); - } - - RTC_Table[minor].pDeviceFns->deviceInitialize( RTC_Minor ); - - /* - * Now initialize any secondary RTC's - */ - - for ( minor++ ; minor<RTC_Count ; minor++) { - /* - * First perform the configuration dependent probe, then the - * device dependent probe - */ - - if (RTC_Table[minor].deviceProbe && RTC_Table[minor].deviceProbe(minor)) { - status = rtems_io_register_name( - RTC_Table[minor].sDeviceName, - major, - minor ); - if (status != RTEMS_SUCCESSFUL) { - rtems_fatal_error_occurred(status); - } - - /* - * Initialize the hardware device. - */ - - RTC_Table[minor].pDeviceFns->deviceInitialize(minor); - - } - } - - return RTEMS_SUCCESSFUL; -} - - -/*PAGE - * - * This routine copies the time from the real time clock to RTEMS - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: NONE - */ - -void setRealTimeToRTEMS() -{ - rtems_time_of_day rtc_tod; - - if (!RTC_Present) - return; - - RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, &rtc_tod); - rtems_clock_set( &rtc_tod ); -} - -/*PAGE - * - * setRealTimeFromRTEMS - * - * This routine copies the time from RTEMS to the real time clock - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: NONE - */ - -void setRealTimeFromRTEMS() -{ - rtems_time_of_day rtems_tod; - - if (!RTC_Present) - return; - - rtems_clock_get( RTEMS_CLOCK_GET_TOD, &rtems_tod ); - RTC_Table[RTC_Minor].pDeviceFns->deviceSetTime(RTC_Minor, &rtems_tod); -} - -/*PAGE - * - * getRealTime - * - * This routine reads the current time from the RTC. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: NONE - */ - -void getRealTime( - rtems_time_of_day *tod -) -{ - - if (!RTC_Present) - return; - - RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, tod); -} - -/*PAGE - * - * setRealTime - * - * This routine sets the RTC. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: NONE - */ - -/* XXX this routine should be part of the public RTEMS interface */ -rtems_boolean _TOD_Validate( rtems_time_of_day *tod ); - -int setRealTime( - rtems_time_of_day *tod -) -{ - - if (!RTC_Present) - return -1; - - if ( !_TOD_Validate(tod) ) - return -1; - - RTC_Table[RTC_Minor].pDeviceFns->deviceSetTime(RTC_Minor, tod); - return 0; -} - - -/*PAGE - * - * checkRealTime - * - * This routine reads the returns the variance betweent the real time and - * rtems time. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * int The differance between the real time clock and rtems time. - */ - -/* XXX this routine should be part of the public RTEMS interface */ -unsigned32 _TOD_To_seconds( rtems_time_of_day *tod ); - -int checkRealTime() -{ - rtems_time_of_day rtems_tod; - rtems_time_of_day rtc_tod; - unsigned32 rtems_time; - unsigned32 rtc_time; - - if (!RTC_Present) - return -1; - - rtems_clock_get( RTEMS_CLOCK_GET_TOD, &rtems_tod ); - RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, &rtc_tod); - - rtems_time = _TOD_To_seconds( &rtems_tod ); - rtc_time = _TOD_To_seconds( &rtc_tod ); - - return rtems_time - rtc_time; -} - |