RUBEN ELISEO VAZQUEZ / Mbed 2 deprecated ds1302-bluetooth

the program have one sensor acs712 and moduleds1302

Dependencies:   FATFileSystem mbed

rtx/TARGET_ARM7/rt_Event.c@0:b82abca089ac, 2017-06-08 (annotated)

Committer:
RUBENTEC
Date:
Thu Jun 08 20:17:34 2017 +0000
Revision:
0:b82abca089ac
ds1302-bluetooth-acs712

Who changed what in which revision?

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RUBENTEC 0:b82abca089ac 1 /*----------------------------------------------------------------------------
RUBENTEC 0:b82abca089ac 2 * RL-ARM - RTX
RUBENTEC 0:b82abca089ac 3 *----------------------------------------------------------------------------
RUBENTEC 0:b82abca089ac 4 * Name: RT_EVENT.C
RUBENTEC 0:b82abca089ac 5 * Purpose: Implements waits and wake-ups for event flags
RUBENTEC 0:b82abca089ac 6 * Rev.: V4.60
RUBENTEC 0:b82abca089ac 7 *----------------------------------------------------------------------------
RUBENTEC 0:b82abca089ac 8 *
RUBENTEC 0:b82abca089ac 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
RUBENTEC 0:b82abca089ac 10 * All rights reserved.
RUBENTEC 0:b82abca089ac 11 * Redistribution and use in source and binary forms, with or without
RUBENTEC 0:b82abca089ac 12 * modification, are permitted provided that the following conditions are met:
RUBENTEC 0:b82abca089ac 13 * - Redistributions of source code must retain the above copyright
RUBENTEC 0:b82abca089ac 14 * notice, this list of conditions and the following disclaimer.
RUBENTEC 0:b82abca089ac 15 * - Redistributions in binary form must reproduce the above copyright
RUBENTEC 0:b82abca089ac 16 * notice, this list of conditions and the following disclaimer in the
RUBENTEC 0:b82abca089ac 17 * documentation and/or other materials provided with the distribution.
RUBENTEC 0:b82abca089ac 18 * - Neither the name of ARM nor the names of its contributors may be used
RUBENTEC 0:b82abca089ac 19 * to endorse or promote products derived from this software without
RUBENTEC 0:b82abca089ac 20 * specific prior written permission.
RUBENTEC 0:b82abca089ac 21 *
RUBENTEC 0:b82abca089ac 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
RUBENTEC 0:b82abca089ac 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
RUBENTEC 0:b82abca089ac 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
RUBENTEC 0:b82abca089ac 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
RUBENTEC 0:b82abca089ac 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
RUBENTEC 0:b82abca089ac 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
RUBENTEC 0:b82abca089ac 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
RUBENTEC 0:b82abca089ac 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
RUBENTEC 0:b82abca089ac 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
RUBENTEC 0:b82abca089ac 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
RUBENTEC 0:b82abca089ac 32 * POSSIBILITY OF SUCH DAMAGE.
RUBENTEC 0:b82abca089ac 33 *---------------------------------------------------------------------------*/
RUBENTEC 0:b82abca089ac 34
RUBENTEC 0:b82abca089ac 35 #include "rt_TypeDef.h"
RUBENTEC 0:b82abca089ac 36 #include "RTX_Conf.h"
RUBENTEC 0:b82abca089ac 37 #include "rt_System.h"
RUBENTEC 0:b82abca089ac 38 #include "rt_Event.h"
RUBENTEC 0:b82abca089ac 39 #include "rt_List.h"
RUBENTEC 0:b82abca089ac 40 #include "rt_Task.h"
RUBENTEC 0:b82abca089ac 41 #include "rt_HAL_CM.h"
RUBENTEC 0:b82abca089ac 42
RUBENTEC 0:b82abca089ac 43
RUBENTEC 0:b82abca089ac 44 /*----------------------------------------------------------------------------
RUBENTEC 0:b82abca089ac 45 * Functions
RUBENTEC 0:b82abca089ac 46 *---------------------------------------------------------------------------*/
RUBENTEC 0:b82abca089ac 47
RUBENTEC 0:b82abca089ac 48
RUBENTEC 0:b82abca089ac 49 /*--------------------------- rt_evt_wait -----------------------------------*/
RUBENTEC 0:b82abca089ac 50
RUBENTEC 0:b82abca089ac 51 OS_RESULT rt_evt_wait (U16 wait_flags, U16 timeout, BOOL and_wait) {
RUBENTEC 0:b82abca089ac 52 /* Wait for one or more event flags with optional time-out. */
RUBENTEC 0:b82abca089ac 53 /* "wait_flags" identifies the flags to wait for. */
RUBENTEC 0:b82abca089ac 54 /* "timeout" is the time-out limit in system ticks (0xffff if no time-out) */
RUBENTEC 0:b82abca089ac 55 /* "and_wait" specifies the AND-ing of "wait_flags" as condition to be met */
RUBENTEC 0:b82abca089ac 56 /* to complete the wait. (OR-ing if set to 0). */
RUBENTEC 0:b82abca089ac 57 U32 block_state;
RUBENTEC 0:b82abca089ac 58
RUBENTEC 0:b82abca089ac 59 if (and_wait) {
RUBENTEC 0:b82abca089ac 60 /* Check for AND-connected events */
RUBENTEC 0:b82abca089ac 61 if ((os_tsk.run->events & wait_flags) == wait_flags) {
RUBENTEC 0:b82abca089ac 62 os_tsk.run->events &= ~wait_flags;
RUBENTEC 0:b82abca089ac 63 return (OS_R_EVT);
RUBENTEC 0:b82abca089ac 64 }
RUBENTEC 0:b82abca089ac 65 block_state = WAIT_AND;
RUBENTEC 0:b82abca089ac 66 }
RUBENTEC 0:b82abca089ac 67 else {
RUBENTEC 0:b82abca089ac 68 /* Check for OR-connected events */
RUBENTEC 0:b82abca089ac 69 if (os_tsk.run->events & wait_flags) {
RUBENTEC 0:b82abca089ac 70 os_tsk.run->waits = os_tsk.run->events & wait_flags;
RUBENTEC 0:b82abca089ac 71 os_tsk.run->events &= ~wait_flags;
RUBENTEC 0:b82abca089ac 72 return (OS_R_EVT);
RUBENTEC 0:b82abca089ac 73 }
RUBENTEC 0:b82abca089ac 74 block_state = WAIT_OR;
RUBENTEC 0:b82abca089ac 75 }
RUBENTEC 0:b82abca089ac 76 /* Task has to wait */
RUBENTEC 0:b82abca089ac 77 os_tsk.run->waits = wait_flags;
RUBENTEC 0:b82abca089ac 78 rt_block (timeout, (U8)block_state);
RUBENTEC 0:b82abca089ac 79 return (OS_R_TMO);
RUBENTEC 0:b82abca089ac 80 }
RUBENTEC 0:b82abca089ac 81
RUBENTEC 0:b82abca089ac 82
RUBENTEC 0:b82abca089ac 83 /*--------------------------- rt_evt_set ------------------------------------*/
RUBENTEC 0:b82abca089ac 84
RUBENTEC 0:b82abca089ac 85 void rt_evt_set (U16 event_flags, OS_TID task_id) {
RUBENTEC 0:b82abca089ac 86 /* Set one or more event flags of a selectable task. */
RUBENTEC 0:b82abca089ac 87 P_TCB p_tcb;
RUBENTEC 0:b82abca089ac 88
RUBENTEC 0:b82abca089ac 89 p_tcb = os_active_TCB[task_id-1];
RUBENTEC 0:b82abca089ac 90 if (p_tcb == NULL) {
RUBENTEC 0:b82abca089ac 91 return;
RUBENTEC 0:b82abca089ac 92 }
RUBENTEC 0:b82abca089ac 93 p_tcb->events |= event_flags;
RUBENTEC 0:b82abca089ac 94 event_flags = p_tcb->waits;
RUBENTEC 0:b82abca089ac 95 /* If the task is not waiting for an event, it should not be put */
RUBENTEC 0:b82abca089ac 96 /* to ready state. */
RUBENTEC 0:b82abca089ac 97 if (p_tcb->state == WAIT_AND) {
RUBENTEC 0:b82abca089ac 98 /* Check for AND-connected events */
RUBENTEC 0:b82abca089ac 99 if ((p_tcb->events & event_flags) == event_flags) {
RUBENTEC 0:b82abca089ac 100 goto wkup;
RUBENTEC 0:b82abca089ac 101 }
RUBENTEC 0:b82abca089ac 102 }
RUBENTEC 0:b82abca089ac 103 if (p_tcb->state == WAIT_OR) {
RUBENTEC 0:b82abca089ac 104 /* Check for OR-connected events */
RUBENTEC 0:b82abca089ac 105 if (p_tcb->events & event_flags) {
RUBENTEC 0:b82abca089ac 106 p_tcb->waits &= p_tcb->events;
RUBENTEC 0:b82abca089ac 107 wkup: p_tcb->events &= ~event_flags;
RUBENTEC 0:b82abca089ac 108 rt_rmv_dly (p_tcb);
RUBENTEC 0:b82abca089ac 109 p_tcb->state = READY;
RUBENTEC 0:b82abca089ac 110 #ifdef __CMSIS_RTOS
RUBENTEC 0:b82abca089ac 111 rt_ret_val2(p_tcb, 0x08/*osEventSignal*/, p_tcb->waits);
RUBENTEC 0:b82abca089ac 112 #else
RUBENTEC 0:b82abca089ac 113 rt_ret_val (p_tcb, OS_R_EVT);
RUBENTEC 0:b82abca089ac 114 #endif
RUBENTEC 0:b82abca089ac 115 rt_dispatch (p_tcb);
RUBENTEC 0:b82abca089ac 116 }
RUBENTEC 0:b82abca089ac 117 }
RUBENTEC 0:b82abca089ac 118 }
RUBENTEC 0:b82abca089ac 119
RUBENTEC 0:b82abca089ac 120
RUBENTEC 0:b82abca089ac 121 /*--------------------------- rt_evt_clr ------------------------------------*/
RUBENTEC 0:b82abca089ac 122
RUBENTEC 0:b82abca089ac 123 void rt_evt_clr (U16 clear_flags, OS_TID task_id) {
RUBENTEC 0:b82abca089ac 124 /* Clear one or more event flags (identified by "clear_flags") of a */
RUBENTEC 0:b82abca089ac 125 /* selectable task (identified by "task"). */
RUBENTEC 0:b82abca089ac 126 P_TCB task = os_active_TCB[task_id-1];
RUBENTEC 0:b82abca089ac 127
RUBENTEC 0:b82abca089ac 128 if (task == NULL) {
RUBENTEC 0:b82abca089ac 129 return;
RUBENTEC 0:b82abca089ac 130 }
RUBENTEC 0:b82abca089ac 131 task->events &= ~clear_flags;
RUBENTEC 0:b82abca089ac 132 }
RUBENTEC 0:b82abca089ac 133
RUBENTEC 0:b82abca089ac 134
RUBENTEC 0:b82abca089ac 135 /*--------------------------- isr_evt_set -----------------------------------*/
RUBENTEC 0:b82abca089ac 136
RUBENTEC 0:b82abca089ac 137 void isr_evt_set (U16 event_flags, OS_TID task_id) {
RUBENTEC 0:b82abca089ac 138 /* Same function as "os_evt_set", but to be called by ISRs. */
RUBENTEC 0:b82abca089ac 139 P_TCB p_tcb = os_active_TCB[task_id-1];
RUBENTEC 0:b82abca089ac 140
RUBENTEC 0:b82abca089ac 141 if (p_tcb == NULL) {
RUBENTEC 0:b82abca089ac 142 return;
RUBENTEC 0:b82abca089ac 143 }
RUBENTEC 0:b82abca089ac 144 rt_psq_enq (p_tcb, event_flags);
RUBENTEC 0:b82abca089ac 145 rt_psh_req ();
RUBENTEC 0:b82abca089ac 146 }
RUBENTEC 0:b82abca089ac 147
RUBENTEC 0:b82abca089ac 148
RUBENTEC 0:b82abca089ac 149 /*--------------------------- rt_evt_get ------------------------------------*/
RUBENTEC 0:b82abca089ac 150
RUBENTEC 0:b82abca089ac 151 U16 rt_evt_get (void) {
RUBENTEC 0:b82abca089ac 152 /* Get events of a running task after waiting for OR connected events. */
RUBENTEC 0:b82abca089ac 153 return (os_tsk.run->waits);
RUBENTEC 0:b82abca089ac 154 }
RUBENTEC 0:b82abca089ac 155
RUBENTEC 0:b82abca089ac 156
RUBENTEC 0:b82abca089ac 157 /*--------------------------- rt_evt_psh ------------------------------------*/
RUBENTEC 0:b82abca089ac 158
RUBENTEC 0:b82abca089ac 159 void rt_evt_psh (P_TCB p_CB, U16 set_flags) {
RUBENTEC 0:b82abca089ac 160 /* Check if task has to be waken up */
RUBENTEC 0:b82abca089ac 161 U16 event_flags;
RUBENTEC 0:b82abca089ac 162
RUBENTEC 0:b82abca089ac 163 p_CB->events |= set_flags;
RUBENTEC 0:b82abca089ac 164 event_flags = p_CB->waits;
RUBENTEC 0:b82abca089ac 165 if (p_CB->state == WAIT_AND) {
RUBENTEC 0:b82abca089ac 166 /* Check for AND-connected events */
RUBENTEC 0:b82abca089ac 167 if ((p_CB->events & event_flags) == event_flags) {
RUBENTEC 0:b82abca089ac 168 goto rdy;
RUBENTEC 0:b82abca089ac 169 }
RUBENTEC 0:b82abca089ac 170 }
RUBENTEC 0:b82abca089ac 171 if (p_CB->state == WAIT_OR) {
RUBENTEC 0:b82abca089ac 172 /* Check for OR-connected events */
RUBENTEC 0:b82abca089ac 173 if (p_CB->events & event_flags) {
RUBENTEC 0:b82abca089ac 174 p_CB->waits &= p_CB->events;
RUBENTEC 0:b82abca089ac 175 rdy: p_CB->events &= ~event_flags;
RUBENTEC 0:b82abca089ac 176 rt_rmv_dly (p_CB);
RUBENTEC 0:b82abca089ac 177 p_CB->state = READY;
RUBENTEC 0:b82abca089ac 178 #ifdef __CMSIS_RTOS
RUBENTEC 0:b82abca089ac 179 rt_ret_val2(p_CB, 0x08/*osEventSignal*/, p_CB->waits);
RUBENTEC 0:b82abca089ac 180 #else
RUBENTEC 0:b82abca089ac 181 rt_ret_val (p_CB, OS_R_EVT);
RUBENTEC 0:b82abca089ac 182 #endif
RUBENTEC 0:b82abca089ac 183 rt_put_prio (&os_rdy, p_CB);
RUBENTEC 0:b82abca089ac 184 }
RUBENTEC 0:b82abca089ac 185 }
RUBENTEC 0:b82abca089ac 186 }
RUBENTEC 0:b82abca089ac 187
RUBENTEC 0:b82abca089ac 188 /*----------------------------------------------------------------------------
RUBENTEC 0:b82abca089ac 189 * end of file
RUBENTEC 0:b82abca089ac 190 *---------------------------------------------------------------------------*/