Arlindo Montagnoli / Mbed 2 deprecated ProjetoBB

ProjetoBB

Dependencies:   F7_Ethernet WebSocketClient mbed mcp3008

Fork of Nucleo_F746ZG_Ethernet by Dieter Graef

mbed-rtos/rtx/TARGET_CORTEX_A/rt_System.c@0:f9b6112278fe, 2016-06-18 (annotated)

Committer:
DieterGraef
Date:
Sat Jun 18 10:49:12 2016 +0000
Revision:
0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:f9b6112278fe 1 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 2 * RL-ARM - RTX
DieterGraef 0:f9b6112278fe 3 *----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 4 * Name: RT_SYSTEM.C
DieterGraef 0:f9b6112278fe 5 * Purpose: System Task Manager
DieterGraef 0:f9b6112278fe 6 * Rev.: 8 April 2015
DieterGraef 0:f9b6112278fe 7 *----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 8 *
DieterGraef 0:f9b6112278fe 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
DieterGraef 0:f9b6112278fe 10 * All rights reserved.
DieterGraef 0:f9b6112278fe 11 * Redistribution and use in source and binary forms, with or without
DieterGraef 0:f9b6112278fe 12 * modification, are permitted provided that the following conditions are met:
DieterGraef 0:f9b6112278fe 13 * - Redistributions of source code must retain the above copyright
DieterGraef 0:f9b6112278fe 14 * notice, this list of conditions and the following disclaimer.
DieterGraef 0:f9b6112278fe 15 * - Redistributions in binary form must reproduce the above copyright
DieterGraef 0:f9b6112278fe 16 * notice, this list of conditions and the following disclaimer in the
DieterGraef 0:f9b6112278fe 17 * documentation and/or other materials provided with the distribution.
DieterGraef 0:f9b6112278fe 18 * - Neither the name of ARM nor the names of its contributors may be used
DieterGraef 0:f9b6112278fe 19 * to endorse or promote products derived from this software without
DieterGraef 0:f9b6112278fe 20 * specific prior written permission.
DieterGraef 0:f9b6112278fe 21 *
DieterGraef 0:f9b6112278fe 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
DieterGraef 0:f9b6112278fe 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
DieterGraef 0:f9b6112278fe 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
DieterGraef 0:f9b6112278fe 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
DieterGraef 0:f9b6112278fe 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
DieterGraef 0:f9b6112278fe 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
DieterGraef 0:f9b6112278fe 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
DieterGraef 0:f9b6112278fe 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
DieterGraef 0:f9b6112278fe 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
DieterGraef 0:f9b6112278fe 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
DieterGraef 0:f9b6112278fe 32 * POSSIBILITY OF SUCH DAMAGE.
DieterGraef 0:f9b6112278fe 33 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 34
DieterGraef 0:f9b6112278fe 35 #include "rt_TypeDef.h"
DieterGraef 0:f9b6112278fe 36 #include "RTX_Config.h"
DieterGraef 0:f9b6112278fe 37 #include "rt_Task.h"
DieterGraef 0:f9b6112278fe 38 #include "rt_System.h"
DieterGraef 0:f9b6112278fe 39 #include "rt_Event.h"
DieterGraef 0:f9b6112278fe 40 #include "rt_List.h"
DieterGraef 0:f9b6112278fe 41 #include "rt_Mailbox.h"
DieterGraef 0:f9b6112278fe 42 #include "rt_Semaphore.h"
DieterGraef 0:f9b6112278fe 43 #include "rt_Time.h"
DieterGraef 0:f9b6112278fe 44 #include "rt_Timer.h"
DieterGraef 0:f9b6112278fe 45 #include "rt_Robin.h"
DieterGraef 0:f9b6112278fe 46 #ifdef __CORTEX_A9
DieterGraef 0:f9b6112278fe 47 #include "rt_HAL_CA.h"
DieterGraef 0:f9b6112278fe 48 #else
DieterGraef 0:f9b6112278fe 49 #include "rt_HAL_CM.h"
DieterGraef 0:f9b6112278fe 50 #endif
DieterGraef 0:f9b6112278fe 51
DieterGraef 0:f9b6112278fe 52 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 53 * Global Variables
DieterGraef 0:f9b6112278fe 54 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 55
DieterGraef 0:f9b6112278fe 56 int os_tick_irqn;
DieterGraef 0:f9b6112278fe 57 U8 scheduler_suspended = 0; // flag set by rt_suspend, cleared by rt_resume, read by SVC_Handler
DieterGraef 0:f9b6112278fe 58
DieterGraef 0:f9b6112278fe 59 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 60 * Local Variables
DieterGraef 0:f9b6112278fe 61 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 62
DieterGraef 0:f9b6112278fe 63 static volatile BIT os_lock;
DieterGraef 0:f9b6112278fe 64 static volatile BIT os_psh_flag;
DieterGraef 0:f9b6112278fe 65 #ifndef __CORTEX_A9
DieterGraef 0:f9b6112278fe 66 static U8 pend_flags;
DieterGraef 0:f9b6112278fe 67 #endif
DieterGraef 0:f9b6112278fe 68 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 69 * Global Functions
DieterGraef 0:f9b6112278fe 70 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 71
DieterGraef 0:f9b6112278fe 72 #define RL_RTX_VER 0x473
DieterGraef 0:f9b6112278fe 73
DieterGraef 0:f9b6112278fe 74 #if defined (__CC_ARM)
DieterGraef 0:f9b6112278fe 75 __asm void $$RTX$$version (void) {
DieterGraef 0:f9b6112278fe 76 /* Export a version number symbol for a version control. */
DieterGraef 0:f9b6112278fe 77
DieterGraef 0:f9b6112278fe 78 EXPORT __RL_RTX_VER
DieterGraef 0:f9b6112278fe 79
DieterGraef 0:f9b6112278fe 80 __RL_RTX_VER EQU RL_RTX_VER
DieterGraef 0:f9b6112278fe 81 }
DieterGraef 0:f9b6112278fe 82 #endif
DieterGraef 0:f9b6112278fe 83
DieterGraef 0:f9b6112278fe 84
DieterGraef 0:f9b6112278fe 85 /*--------------------------- rt_suspend ------------------------------------*/
DieterGraef 0:f9b6112278fe 86
DieterGraef 0:f9b6112278fe 87 extern U32 sysUserTimerWakeupTime(void);
DieterGraef 0:f9b6112278fe 88
DieterGraef 0:f9b6112278fe 89 U32 rt_suspend (void) {
DieterGraef 0:f9b6112278fe 90 /* Suspend OS scheduler */
DieterGraef 0:f9b6112278fe 91 U32 delta = 0xFFFF;
DieterGraef 0:f9b6112278fe 92 #ifdef __CMSIS_RTOS
DieterGraef 0:f9b6112278fe 93 U32 sleep;
DieterGraef 0:f9b6112278fe 94 #endif
DieterGraef 0:f9b6112278fe 95
DieterGraef 0:f9b6112278fe 96 rt_tsk_lock();
DieterGraef 0:f9b6112278fe 97 scheduler_suspended = 1;
DieterGraef 0:f9b6112278fe 98
DieterGraef 0:f9b6112278fe 99 if (os_dly.p_dlnk) {
DieterGraef 0:f9b6112278fe 100 delta = os_dly.delta_time;
DieterGraef 0:f9b6112278fe 101 }
DieterGraef 0:f9b6112278fe 102 #ifdef __CMSIS_RTOS
DieterGraef 0:f9b6112278fe 103 sleep = sysUserTimerWakeupTime();
DieterGraef 0:f9b6112278fe 104 if (sleep < delta) delta = sleep;
DieterGraef 0:f9b6112278fe 105 #else
DieterGraef 0:f9b6112278fe 106 if (os_tmr.next) {
DieterGraef 0:f9b6112278fe 107 if (os_tmr.tcnt < delta) delta = os_tmr.tcnt;
DieterGraef 0:f9b6112278fe 108 }
DieterGraef 0:f9b6112278fe 109 #endif
DieterGraef 0:f9b6112278fe 110
DieterGraef 0:f9b6112278fe 111 return (delta);
DieterGraef 0:f9b6112278fe 112 }
DieterGraef 0:f9b6112278fe 113
DieterGraef 0:f9b6112278fe 114
DieterGraef 0:f9b6112278fe 115 /*--------------------------- rt_resume -------------------------------------*/
DieterGraef 0:f9b6112278fe 116
DieterGraef 0:f9b6112278fe 117 extern void sysUserTimerUpdate (U32 sleep_time);
DieterGraef 0:f9b6112278fe 118
DieterGraef 0:f9b6112278fe 119 void rt_resume (U32 sleep_time) {
DieterGraef 0:f9b6112278fe 120 /* Resume OS scheduler after suspend */
DieterGraef 0:f9b6112278fe 121 P_TCB next;
DieterGraef 0:f9b6112278fe 122 U32 delta;
DieterGraef 0:f9b6112278fe 123
DieterGraef 0:f9b6112278fe 124 os_tsk.run->state = READY;
DieterGraef 0:f9b6112278fe 125 rt_put_rdy_first (os_tsk.run);
DieterGraef 0:f9b6112278fe 126
DieterGraef 0:f9b6112278fe 127 os_robin.task = NULL;
DieterGraef 0:f9b6112278fe 128
DieterGraef 0:f9b6112278fe 129 /* Update delays. */
DieterGraef 0:f9b6112278fe 130 if (os_dly.p_dlnk) {
DieterGraef 0:f9b6112278fe 131 delta = sleep_time;
DieterGraef 0:f9b6112278fe 132 if (delta >= os_dly.delta_time) {
DieterGraef 0:f9b6112278fe 133 delta -= os_dly.delta_time;
DieterGraef 0:f9b6112278fe 134 os_time += os_dly.delta_time;
DieterGraef 0:f9b6112278fe 135 os_dly.delta_time = 1;
DieterGraef 0:f9b6112278fe 136 while (os_dly.p_dlnk) {
DieterGraef 0:f9b6112278fe 137 rt_dec_dly();
DieterGraef 0:f9b6112278fe 138 if (delta == 0) break;
DieterGraef 0:f9b6112278fe 139 delta--;
DieterGraef 0:f9b6112278fe 140 os_time++;
DieterGraef 0:f9b6112278fe 141 }
DieterGraef 0:f9b6112278fe 142 } else {
DieterGraef 0:f9b6112278fe 143 os_time += delta;
DieterGraef 0:f9b6112278fe 144 os_dly.delta_time -= delta;
DieterGraef 0:f9b6112278fe 145 }
DieterGraef 0:f9b6112278fe 146 } else {
DieterGraef 0:f9b6112278fe 147 os_time += sleep_time;
DieterGraef 0:f9b6112278fe 148 }
DieterGraef 0:f9b6112278fe 149
DieterGraef 0:f9b6112278fe 150 /* Check the user timers. */
DieterGraef 0:f9b6112278fe 151 #ifdef __CMSIS_RTOS
DieterGraef 0:f9b6112278fe 152 sysUserTimerUpdate(sleep_time);
DieterGraef 0:f9b6112278fe 153 #else
DieterGraef 0:f9b6112278fe 154 if (os_tmr.next) {
DieterGraef 0:f9b6112278fe 155 delta = sleep_time;
DieterGraef 0:f9b6112278fe 156 if (delta >= os_tmr.tcnt) {
DieterGraef 0:f9b6112278fe 157 delta -= os_tmr.tcnt;
DieterGraef 0:f9b6112278fe 158 os_tmr.tcnt = 1;
DieterGraef 0:f9b6112278fe 159 while (os_tmr.next) {
DieterGraef 0:f9b6112278fe 160 rt_tmr_tick();
DieterGraef 0:f9b6112278fe 161 if (delta == 0) break;
DieterGraef 0:f9b6112278fe 162 delta--;
DieterGraef 0:f9b6112278fe 163 }
DieterGraef 0:f9b6112278fe 164 } else {
DieterGraef 0:f9b6112278fe 165 os_tmr.tcnt -= delta;
DieterGraef 0:f9b6112278fe 166 }
DieterGraef 0:f9b6112278fe 167 }
DieterGraef 0:f9b6112278fe 168 #endif
DieterGraef 0:f9b6112278fe 169
DieterGraef 0:f9b6112278fe 170 /* Switch back to highest ready task */
DieterGraef 0:f9b6112278fe 171 next = rt_get_first (&os_rdy);
DieterGraef 0:f9b6112278fe 172 rt_switch_req (next);
DieterGraef 0:f9b6112278fe 173
DieterGraef 0:f9b6112278fe 174 scheduler_suspended = 0;
DieterGraef 0:f9b6112278fe 175 rt_tsk_unlock();
DieterGraef 0:f9b6112278fe 176 }
DieterGraef 0:f9b6112278fe 177
DieterGraef 0:f9b6112278fe 178
DieterGraef 0:f9b6112278fe 179 /*--------------------------- rt_tsk_lock -----------------------------------*/
DieterGraef 0:f9b6112278fe 180
DieterGraef 0:f9b6112278fe 181 void rt_tsk_lock (void) {
DieterGraef 0:f9b6112278fe 182 /* Prevent task switching by locking out scheduler */
DieterGraef 0:f9b6112278fe 183 if (os_lock == __TRUE) // don't lock again if already locked
DieterGraef 0:f9b6112278fe 184 return;
DieterGraef 0:f9b6112278fe 185
DieterGraef 0:f9b6112278fe 186 if (os_tick_irqn < 0) {
DieterGraef 0:f9b6112278fe 187 OS_LOCK();
DieterGraef 0:f9b6112278fe 188 os_lock = __TRUE;
DieterGraef 0:f9b6112278fe 189 OS_UNPEND (&pend_flags);
DieterGraef 0:f9b6112278fe 190 } else {
DieterGraef 0:f9b6112278fe 191 OS_X_LOCK(os_tick_irqn);
DieterGraef 0:f9b6112278fe 192 os_lock = __TRUE;
DieterGraef 0:f9b6112278fe 193 OS_X_UNPEND (&pend_flags);
DieterGraef 0:f9b6112278fe 194 }
DieterGraef 0:f9b6112278fe 195 }
DieterGraef 0:f9b6112278fe 196
DieterGraef 0:f9b6112278fe 197
DieterGraef 0:f9b6112278fe 198 /*--------------------------- rt_tsk_unlock ---------------------------------*/
DieterGraef 0:f9b6112278fe 199
DieterGraef 0:f9b6112278fe 200 void rt_tsk_unlock (void) {
DieterGraef 0:f9b6112278fe 201 /* Unlock scheduler and re-enable task switching */
DieterGraef 0:f9b6112278fe 202 if (os_tick_irqn < 0) {
DieterGraef 0:f9b6112278fe 203 OS_UNLOCK();
DieterGraef 0:f9b6112278fe 204 os_lock = __FALSE;
DieterGraef 0:f9b6112278fe 205 OS_PEND (pend_flags, os_psh_flag);
DieterGraef 0:f9b6112278fe 206 os_psh_flag = __FALSE;
DieterGraef 0:f9b6112278fe 207 } else {
DieterGraef 0:f9b6112278fe 208 OS_X_UNLOCK(os_tick_irqn);
DieterGraef 0:f9b6112278fe 209 os_lock = __FALSE;
DieterGraef 0:f9b6112278fe 210 OS_X_PEND (pend_flags, os_psh_flag);
DieterGraef 0:f9b6112278fe 211 os_psh_flag = __FALSE;
DieterGraef 0:f9b6112278fe 212 }
DieterGraef 0:f9b6112278fe 213 }
DieterGraef 0:f9b6112278fe 214
DieterGraef 0:f9b6112278fe 215
DieterGraef 0:f9b6112278fe 216 /*--------------------------- rt_psh_req ------------------------------------*/
DieterGraef 0:f9b6112278fe 217
DieterGraef 0:f9b6112278fe 218 void rt_psh_req (void) {
DieterGraef 0:f9b6112278fe 219 /* Initiate a post service handling request if required. */
DieterGraef 0:f9b6112278fe 220 if (os_lock == __FALSE) {
DieterGraef 0:f9b6112278fe 221 OS_PEND_IRQ ();
DieterGraef 0:f9b6112278fe 222 }
DieterGraef 0:f9b6112278fe 223 else {
DieterGraef 0:f9b6112278fe 224 os_psh_flag = __TRUE;
DieterGraef 0:f9b6112278fe 225 }
DieterGraef 0:f9b6112278fe 226 }
DieterGraef 0:f9b6112278fe 227
DieterGraef 0:f9b6112278fe 228
DieterGraef 0:f9b6112278fe 229 /*--------------------------- rt_pop_req ------------------------------------*/
DieterGraef 0:f9b6112278fe 230
DieterGraef 0:f9b6112278fe 231 void rt_pop_req (void) {
DieterGraef 0:f9b6112278fe 232 /* Process an ISR post service requests. */
DieterGraef 0:f9b6112278fe 233 struct OS_XCB *p_CB;
DieterGraef 0:f9b6112278fe 234 P_TCB next;
DieterGraef 0:f9b6112278fe 235 U32 idx;
DieterGraef 0:f9b6112278fe 236
DieterGraef 0:f9b6112278fe 237 os_tsk.run->state = READY;
DieterGraef 0:f9b6112278fe 238 rt_put_rdy_first (os_tsk.run);
DieterGraef 0:f9b6112278fe 239
DieterGraef 0:f9b6112278fe 240 idx = os_psq->last;
DieterGraef 0:f9b6112278fe 241 while (os_psq->count) {
DieterGraef 0:f9b6112278fe 242 p_CB = os_psq->q[idx].id;
DieterGraef 0:f9b6112278fe 243 if (p_CB->cb_type == TCB) {
DieterGraef 0:f9b6112278fe 244 /* Is of TCB type */
DieterGraef 0:f9b6112278fe 245 rt_evt_psh ((P_TCB)p_CB, (U16)os_psq->q[idx].arg);
DieterGraef 0:f9b6112278fe 246 }
DieterGraef 0:f9b6112278fe 247 else if (p_CB->cb_type == MCB) {
DieterGraef 0:f9b6112278fe 248 /* Is of MCB type */
DieterGraef 0:f9b6112278fe 249 rt_mbx_psh ((P_MCB)p_CB, (void *)os_psq->q[idx].arg);
DieterGraef 0:f9b6112278fe 250 }
DieterGraef 0:f9b6112278fe 251 else {
DieterGraef 0:f9b6112278fe 252 /* Must be of SCB type */
DieterGraef 0:f9b6112278fe 253 rt_sem_psh ((P_SCB)p_CB);
DieterGraef 0:f9b6112278fe 254 }
DieterGraef 0:f9b6112278fe 255 if (++idx == os_psq->size) idx = 0;
DieterGraef 0:f9b6112278fe 256 rt_dec (&os_psq->count);
DieterGraef 0:f9b6112278fe 257 }
DieterGraef 0:f9b6112278fe 258 os_psq->last = idx;
DieterGraef 0:f9b6112278fe 259
DieterGraef 0:f9b6112278fe 260 next = rt_get_first (&os_rdy);
DieterGraef 0:f9b6112278fe 261 rt_switch_req (next);
DieterGraef 0:f9b6112278fe 262 }
DieterGraef 0:f9b6112278fe 263
DieterGraef 0:f9b6112278fe 264
DieterGraef 0:f9b6112278fe 265 /*--------------------------- os_tick_init ----------------------------------*/
DieterGraef 0:f9b6112278fe 266
DieterGraef 0:f9b6112278fe 267 __weak int os_tick_init (void) {
DieterGraef 0:f9b6112278fe 268 /* Initialize SysTick timer as system tick timer. */
DieterGraef 0:f9b6112278fe 269 rt_systick_init ();
DieterGraef 0:f9b6112278fe 270 return (-1); /* Return IRQ number of SysTick timer */
DieterGraef 0:f9b6112278fe 271 }
DieterGraef 0:f9b6112278fe 272
DieterGraef 0:f9b6112278fe 273 /*--------------------------- os_tick_val -----------------------------------*/
DieterGraef 0:f9b6112278fe 274
DieterGraef 0:f9b6112278fe 275 __weak U32 os_tick_val (void) {
DieterGraef 0:f9b6112278fe 276 /* Get SysTick timer current value (0 .. OS_TRV). */
DieterGraef 0:f9b6112278fe 277 return rt_systick_val();
DieterGraef 0:f9b6112278fe 278 }
DieterGraef 0:f9b6112278fe 279
DieterGraef 0:f9b6112278fe 280 /*--------------------------- os_tick_ovf -----------------------------------*/
DieterGraef 0:f9b6112278fe 281
DieterGraef 0:f9b6112278fe 282 __weak U32 os_tick_ovf (void) {
DieterGraef 0:f9b6112278fe 283 /* Get SysTick timer overflow flag */
DieterGraef 0:f9b6112278fe 284 return rt_systick_ovf();
DieterGraef 0:f9b6112278fe 285 }
DieterGraef 0:f9b6112278fe 286
DieterGraef 0:f9b6112278fe 287 /*--------------------------- os_tick_irqack --------------------------------*/
DieterGraef 0:f9b6112278fe 288
DieterGraef 0:f9b6112278fe 289 __weak void os_tick_irqack (void) {
DieterGraef 0:f9b6112278fe 290 /* Acknowledge timer interrupt. */
DieterGraef 0:f9b6112278fe 291 }
DieterGraef 0:f9b6112278fe 292
DieterGraef 0:f9b6112278fe 293
DieterGraef 0:f9b6112278fe 294 /*--------------------------- rt_systick ------------------------------------*/
DieterGraef 0:f9b6112278fe 295
DieterGraef 0:f9b6112278fe 296 extern void sysTimerTick(void);
DieterGraef 0:f9b6112278fe 297
DieterGraef 0:f9b6112278fe 298 void rt_systick (void) {
DieterGraef 0:f9b6112278fe 299 /* Check for system clock update, suspend running task. */
DieterGraef 0:f9b6112278fe 300 P_TCB next;
DieterGraef 0:f9b6112278fe 301
DieterGraef 0:f9b6112278fe 302 os_tsk.run->state = READY;
DieterGraef 0:f9b6112278fe 303 rt_put_rdy_first (os_tsk.run);
DieterGraef 0:f9b6112278fe 304
DieterGraef 0:f9b6112278fe 305 /* Check Round Robin timeout. */
DieterGraef 0:f9b6112278fe 306 rt_chk_robin ();
DieterGraef 0:f9b6112278fe 307
DieterGraef 0:f9b6112278fe 308 /* Update delays. */
DieterGraef 0:f9b6112278fe 309 os_time++;
DieterGraef 0:f9b6112278fe 310 rt_dec_dly ();
DieterGraef 0:f9b6112278fe 311
DieterGraef 0:f9b6112278fe 312 /* Check the user timers. */
DieterGraef 0:f9b6112278fe 313 #ifdef __CMSIS_RTOS
DieterGraef 0:f9b6112278fe 314 sysTimerTick();
DieterGraef 0:f9b6112278fe 315 #else
DieterGraef 0:f9b6112278fe 316 rt_tmr_tick ();
DieterGraef 0:f9b6112278fe 317 #endif
DieterGraef 0:f9b6112278fe 318
DieterGraef 0:f9b6112278fe 319 /* Switch back to highest ready task */
DieterGraef 0:f9b6112278fe 320 next = rt_get_first (&os_rdy);
DieterGraef 0:f9b6112278fe 321 rt_switch_req (next);
DieterGraef 0:f9b6112278fe 322 }
DieterGraef 0:f9b6112278fe 323
DieterGraef 0:f9b6112278fe 324 /*--------------------------- rt_stk_check ----------------------------------*/
DieterGraef 0:f9b6112278fe 325
DieterGraef 0:f9b6112278fe 326 __weak void rt_stk_check (void) {
DieterGraef 0:f9b6112278fe 327 /* Check for stack overflow. */
DieterGraef 0:f9b6112278fe 328 if ((os_tsk.run->tsk_stack < (U32)os_tsk.run->stack) ||
DieterGraef 0:f9b6112278fe 329 (os_tsk.run->stack[0] != MAGIC_WORD)) {
DieterGraef 0:f9b6112278fe 330 os_error (OS_ERR_STK_OVF);
DieterGraef 0:f9b6112278fe 331 }
DieterGraef 0:f9b6112278fe 332 }
DieterGraef 0:f9b6112278fe 333
DieterGraef 0:f9b6112278fe 334 /*----------------------------------------------------------------------------
DieterGraef 0:f9b6112278fe 335 * end of file
DieterGraef 0:f9b6112278fe 336 *---------------------------------------------------------------------------*/
DieterGraef 0:f9b6112278fe 337