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@3:6fba65b703b6, 2014-03-08 (annotated)

Committer:
mimi3
Date:
Sat Mar 08 04:03:53 2014 +0000
Revision:
3:6fba65b703b6
Parent:
1:8967b575bb46 
delete: just comment

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dinau 0:c68459544a17 1 /*
mimi3 1:8967b575bb46 2 * Copyright (C) 2012-2013 audin
dinau 0:c68459544a17 3 * This program is licensed under the Apache License, Version 2.0.
mimi3 1:8967b575bb46 4 * 2013/08: Modify for mbed for LPC1114FN28
dinau 0:c68459544a17 5 * Modified 2012/11: v02:
dinau 0:c68459544a17 6 * Added external definition of stack size and task number.
dinau 0:c68459544a17 7 * Modified 2012/10: v01:
dinau 0:c68459544a17 8 * For working on Cortex-M0 and M3.
dinau 0:c68459544a17 9 * Defined static tcb option for the cpu that has quite a less SRAM < 8kbyte.
dinau 0:c68459544a17 10 *
dinau 0:c68459544a17 11 * Original file is arduino-1.5\hardware\arduino\sam\libraries\Scheduler
dinau 0:c68459544a17 12 */
dinau 0:c68459544a17 13
dinau 0:c68459544a17 14 /*
dinau 0:c68459544a17 15 * Copyright (C) 2012 The Android Open Source Project
dinau 0:c68459544a17 16 *
dinau 0:c68459544a17 17 * Licensed under the Apache License, Version 2.0 (the "License");
dinau 0:c68459544a17 18 * you may not use this file except in compliance with the License.
dinau 0:c68459544a17 19 * You may obtain a copy of the License at
dinau 0:c68459544a17 20 *
dinau 0:c68459544a17 21 * http://www.apache.org/licenses/LICENSE-2.0
dinau 0:c68459544a17 22 *
dinau 0:c68459544a17 23 * Unless required by applicable law or agreed to in writing, software
dinau 0:c68459544a17 24 * distributed under the License is distributed on an "AS IS" BASIS,
dinau 0:c68459544a17 25 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dinau 0:c68459544a17 26 * See the License for the specific language governing permissions and
dinau 0:c68459544a17 27 * limitations under the License.
dinau 0:c68459544a17 28 */
dinau 0:c68459544a17 29
dinau 0:c68459544a17 30 #ifndef _SCHEDULDER_H_
dinau 0:c68459544a17 31 #define _SCHEDULDER_H_
dinau 0:c68459544a17 32
dinau 0:c68459544a17 33 /*
dinau 0:c68459544a17 34 * If you explicitly specify stack size, activate below,
dinau 0:c68459544a17 35 * or used "Default settings"
dinau 0:c68459544a17 36 */
dinau 0:c68459544a17 37 //#define SCHEDULER_TASK_NUM_MAX 4
dinau 0:c68459544a17 38 //#define SCHEDULER_TASK_STACK_SIZE_EACH 200
dinau 0:c68459544a17 39
dinau 0:c68459544a17 40 /*
dinau 0:c68459544a17 41 * Otherwise you can add compile option CFLAGS like this,
dinau 0:c68459544a17 42 -DSCHEDULER_TASK_NUM_MAX=4
dinau 0:c68459544a17 43 -DSCHEDULER_TASK_STACK_SIZE_EACH=200
dinau 0:c68459544a17 44 */
dinau 0:c68459544a17 45
dinau 0:c68459544a17 46 /* Default settings */
dinau 0:c68459544a17 47 /******************************************************************************************/
dinau 0:c68459544a17 48 #ifndef SCHEDULER_TASK_NUM_MAX
dinau 0:c68459544a17 49 #define COOP_TASK_NUM_MAX 4 /* Define max task number( include main loop ) */
dinau 0:c68459544a17 50 #else
dinau 0:c68459544a17 51 #define COOP_TASK_NUM_MAX (SCHEDULER_TASK_NUM_MAX)
dinau 0:c68459544a17 52 #endif
dinau 0:c68459544a17 53
dinau 0:c68459544a17 54 #ifndef SCHEDULER_TASK_STACK_SIZE_EACH
dinau 0:c68459544a17 55 #define MIN_STACK_SIZE (200) /* Minimum stack size per task, exclude main loop */
dinau 0:c68459544a17 56 #else
dinau 0:c68459544a17 57 #define MIN_STACK_SIZE (SCHEDULER_TASK_STACK_SIZE_EACH)
dinau 0:c68459544a17 58 #endif
dinau 0:c68459544a17 59 /* Thanks Ms.HI */
dinau 0:c68459544a17 60 /******************************************************************************************/
dinau 0:c68459544a17 61
dinau 0:c68459544a17 62 #include <stdint.h>
dinau 0:c68459544a17 63 #ifdef __cplusplus
dinau 0:c68459544a17 64 extern "C" {
dinau 0:c68459544a17 65 #endif
dinau 0:c68459544a17 66 typedef void (*SchedulerTask)(void);
dinau 0:c68459544a17 67 typedef void (*SchedulerParametricTask)(void *);
dinau 0:c68459544a17 68
dinau 0:c68459544a17 69 void scheduler_init( void );
dinau 0:c68459544a17 70 void scheduler_startLoop( SchedulerTask task );
dinau 0:c68459544a17 71 void scheduler_start( SchedulerTask task );
mimi3 1:8967b575bb46 72 #ifdef MBED_H
mimi3 1:8967b575bb46 73 void taskWait(uint32_t ms);
mimi3 1:8967b575bb46 74 #else
dinau 0:c68459544a17 75 void wait(uint32_t ms);
mimi3 1:8967b575bb46 76 #endif
dinau 0:c68459544a17 77 void yield();
dinau 0:c68459544a17 78 #ifdef __cplusplus
dinau 0:c68459544a17 79 }
dinau 0:c68459544a17 80 #endif
dinau 0:c68459544a17 81
dinau 0:c68459544a17 82
dinau 0:c68459544a17 83 #if __cplusplus
dinau 0:c68459544a17 84 class SchedulerClass {
dinau 0:c68459544a17 85 public:
dinau 0:c68459544a17 86 SchedulerClass();
dinau 0:c68459544a17 87 static void startLoop(SchedulerTask task, uint32_t stackSize = MIN_STACK_SIZE);
dinau 0:c68459544a17 88 static void start(SchedulerTask task, uint32_t stackSize = MIN_STACK_SIZE);
dinau 0:c68459544a17 89 static void start(SchedulerParametricTask task, void *data, uint32_t stackSize = MIN_STACK_SIZE);
dinau 0:c68459544a17 90
mimi3 1:8967b575bb46 91 #ifdef MBED_H
mimi3 1:8967b575bb46 92 static void taskWait(uint32_t ms);
mimi3 1:8967b575bb46 93 #else
dinau 0:c68459544a17 94 static void wait(uint32_t ms) { ::wait(ms); };
mimi3 1:8967b575bb46 95 #endif
dinau 0:c68459544a17 96 static void yield() { ::yield(); };
dinau 0:c68459544a17 97 };
dinau 0:c68459544a17 98
dinau 0:c68459544a17 99 extern SchedulerClass Scheduler;
dinau 0:c68459544a17 100
dinau 0:c68459544a17 101 #endif
dinau 0:c68459544a17 102
dinau 0:c68459544a17 103 #endif /* _SCHEDULDER_H_ */
dinau 0:c68459544a17 104