mi mi / Scheduler

For Cortex-M3,Cortex-M0, Multitask scheduler library. Arduino due compatible

Dependents:   scheduler-demo-cq-lpc11u35 scheduler-demo scheduler-demo-cq-lpc11u35 mbed-scli-test

Scheduler.h@0:c68459544a17, 2013-08-25 (annotated)

Committer:
dinau
Date:
Sun Aug 25 16:48:21 2013 +0900
Revision:
0:c68459544a17
Child:
1:8967b575bb46
for mbed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dinau 0:c68459544a17 1 /*
dinau 0:c68459544a17 2 * Copyright (C) 2012 audin
dinau 0:c68459544a17 3 * This program is licensed under the Apache License, Version 2.0.
dinau 0:c68459544a17 4 * Modified 2012/11: v02:
dinau 0:c68459544a17 5 * Added external definition of stack size and task number.
dinau 0:c68459544a17 6 * Modified 2012/10: v01:
dinau 0:c68459544a17 7 * For working on Cortex-M0 and M3.
dinau 0:c68459544a17 8 * Defined static tcb option for the cpu that has quite a less SRAM < 8kbyte.
dinau 0:c68459544a17 9 *
dinau 0:c68459544a17 10 * Original file is arduino-1.5\hardware\arduino\sam\libraries\Scheduler
dinau 0:c68459544a17 11 */
dinau 0:c68459544a17 12
dinau 0:c68459544a17 13 /*
dinau 0:c68459544a17 14 * Copyright (C) 2012 The Android Open Source Project
dinau 0:c68459544a17 15 *
dinau 0:c68459544a17 16 * Licensed under the Apache License, Version 2.0 (the "License");
dinau 0:c68459544a17 17 * you may not use this file except in compliance with the License.
dinau 0:c68459544a17 18 * You may obtain a copy of the License at
dinau 0:c68459544a17 19 *
dinau 0:c68459544a17 20 * http://www.apache.org/licenses/LICENSE-2.0
dinau 0:c68459544a17 21 *
dinau 0:c68459544a17 22 * Unless required by applicable law or agreed to in writing, software
dinau 0:c68459544a17 23 * distributed under the License is distributed on an "AS IS" BASIS,
dinau 0:c68459544a17 24 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dinau 0:c68459544a17 25 * See the License for the specific language governing permissions and
dinau 0:c68459544a17 26 * limitations under the License.
dinau 0:c68459544a17 27 */
dinau 0:c68459544a17 28
dinau 0:c68459544a17 29 #ifndef _SCHEDULDER_H_
dinau 0:c68459544a17 30 #define _SCHEDULDER_H_
dinau 0:c68459544a17 31
dinau 0:c68459544a17 32 /*
dinau 0:c68459544a17 33 * If you explicitly specify stack size, activate below,
dinau 0:c68459544a17 34 * or used "Default settings"
dinau 0:c68459544a17 35 */
dinau 0:c68459544a17 36 //#define SCHEDULER_TASK_NUM_MAX 4
dinau 0:c68459544a17 37 //#define SCHEDULER_TASK_STACK_SIZE_EACH 200
dinau 0:c68459544a17 38
dinau 0:c68459544a17 39 /*
dinau 0:c68459544a17 40 * Otherwise you can add compile option CFLAGS like this,
dinau 0:c68459544a17 41 -DSCHEDULER_TASK_NUM_MAX=4
dinau 0:c68459544a17 42 -DSCHEDULER_TASK_STACK_SIZE_EACH=200
dinau 0:c68459544a17 43 */
dinau 0:c68459544a17 44
dinau 0:c68459544a17 45 /* Default settings */
dinau 0:c68459544a17 46 /******************************************************************************************/
dinau 0:c68459544a17 47 #ifndef SCHEDULER_TASK_NUM_MAX
dinau 0:c68459544a17 48 #define COOP_TASK_NUM_MAX 4 /* Define max task number( include main loop ) */
dinau 0:c68459544a17 49 #else
dinau 0:c68459544a17 50 #define COOP_TASK_NUM_MAX (SCHEDULER_TASK_NUM_MAX)
dinau 0:c68459544a17 51 #endif
dinau 0:c68459544a17 52
dinau 0:c68459544a17 53 #ifndef SCHEDULER_TASK_STACK_SIZE_EACH
dinau 0:c68459544a17 54 #define MIN_STACK_SIZE (200) /* Minimum stack size per task, exclude main loop */
dinau 0:c68459544a17 55 #else
dinau 0:c68459544a17 56 #define MIN_STACK_SIZE (SCHEDULER_TASK_STACK_SIZE_EACH)
dinau 0:c68459544a17 57 #endif
dinau 0:c68459544a17 58 /* Thanks Ms.HI */
dinau 0:c68459544a17 59 /******************************************************************************************/
dinau 0:c68459544a17 60
dinau 0:c68459544a17 61 #include <stdint.h>
dinau 0:c68459544a17 62 #ifdef __cplusplus
dinau 0:c68459544a17 63 extern "C" {
dinau 0:c68459544a17 64 #endif
dinau 0:c68459544a17 65 typedef void (*SchedulerTask)(void);
dinau 0:c68459544a17 66 typedef void (*SchedulerParametricTask)(void *);
dinau 0:c68459544a17 67
dinau 0:c68459544a17 68 void scheduler_init( void );
dinau 0:c68459544a17 69 void scheduler_startLoop( SchedulerTask task );
dinau 0:c68459544a17 70 void scheduler_start( SchedulerTask task );
dinau 0:c68459544a17 71
dinau 0:c68459544a17 72 void wait(uint32_t ms);
dinau 0:c68459544a17 73 void yield();
dinau 0:c68459544a17 74 #ifdef __cplusplus
dinau 0:c68459544a17 75 }
dinau 0:c68459544a17 76 #endif
dinau 0:c68459544a17 77
dinau 0:c68459544a17 78
dinau 0:c68459544a17 79 #if __cplusplus
dinau 0:c68459544a17 80 class SchedulerClass {
dinau 0:c68459544a17 81 public:
dinau 0:c68459544a17 82 SchedulerClass();
dinau 0:c68459544a17 83 static void startLoop(SchedulerTask task, uint32_t stackSize = MIN_STACK_SIZE);
dinau 0:c68459544a17 84 static void start(SchedulerTask task, uint32_t stackSize = MIN_STACK_SIZE);
dinau 0:c68459544a17 85 static void start(SchedulerParametricTask task, void *data, uint32_t stackSize = MIN_STACK_SIZE);
dinau 0:c68459544a17 86
dinau 0:c68459544a17 87 static void wait(uint32_t ms) { ::wait(ms); };
dinau 0:c68459544a17 88 static void yield() { ::yield(); };
dinau 0:c68459544a17 89 };
dinau 0:c68459544a17 90
dinau 0:c68459544a17 91 extern SchedulerClass Scheduler;
dinau 0:c68459544a17 92
dinau 0:c68459544a17 93 #endif
dinau 0:c68459544a17 94
dinau 0:c68459544a17 95 #endif /* _SCHEDULDER_H_ */
dinau 0:c68459544a17 96