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mbed client lightswitch demo
Dependencies: mbed Socket lwip-eth lwip-sys lwip
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Diff: mbed-rtos/rtx/TARGET_CORTEX_M/rt_Time.c
- Revision:
- 11:cada08fc8a70
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Time.c Thu Jun 09 17:08:36 2016 +0000 @@ -0,0 +1,94 @@ +/*---------------------------------------------------------------------------- + * RL-ARM - RTX + *---------------------------------------------------------------------------- + * Name: RT_TIME.C + * Purpose: Delay and interval wait functions + * Rev.: V4.60 + *---------------------------------------------------------------------------- + * + * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH + * All rights reserved. + * 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 ARM 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 COPYRIGHT HOLDERS AND 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. + *---------------------------------------------------------------------------*/ + +#include "rt_TypeDef.h" +#include "RTX_Conf.h" +#include "rt_Task.h" +#include "rt_Time.h" + +/*---------------------------------------------------------------------------- + * Global Variables + *---------------------------------------------------------------------------*/ + +/* Free running system tick counter */ +U32 os_time; + + +/*---------------------------------------------------------------------------- + * Functions + *---------------------------------------------------------------------------*/ + + +/*--------------------------- rt_time_get -----------------------------------*/ + +U32 rt_time_get (void) { + /* Get system time tick */ + return (os_time); +} + + +/*--------------------------- rt_dly_wait -----------------------------------*/ + +void rt_dly_wait (U16 delay_time) { + /* Delay task by "delay_time" */ + rt_block (delay_time, WAIT_DLY); +} + + +/*--------------------------- rt_itv_set ------------------------------------*/ + +void rt_itv_set (U16 interval_time) { + /* Set interval length and define start of first interval */ + os_tsk.run->interval_time = interval_time; + os_tsk.run->delta_time = interval_time + (U16)os_time; +} + + +/*--------------------------- rt_itv_wait -----------------------------------*/ + +void rt_itv_wait (void) { + /* Wait for interval end and define start of next one */ + U16 delta; + + delta = os_tsk.run->delta_time - (U16)os_time; + os_tsk.run->delta_time += os_tsk.run->interval_time; + if ((delta & 0x8000) == 0) { + rt_block (delta, WAIT_ITV); + } +} + +/*---------------------------------------------------------------------------- + * end of file + *---------------------------------------------------------------------------*/ +