Ivo van Poorten
/
opus-una
A Small Cooperative Multitasking Kernel
tasks.c@0:73b89fc74e9f, 2011-07-24 (annotated)
- Committer:
- Ivop
- Date:
- Sun Jul 24 17:15:42 2011 +0000
- Revision:
- 0:73b89fc74e9f
first release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Ivop | 0:73b89fc74e9f | 1 | #include "kernel.h" |
Ivop | 0:73b89fc74e9f | 2 | #include <mbed.h> |
Ivop | 0:73b89fc74e9f | 3 | |
Ivop | 0:73b89fc74e9f | 4 | static void task_zero(void); |
Ivop | 0:73b89fc74e9f | 5 | static void task_one(void); |
Ivop | 0:73b89fc74e9f | 6 | static void task_two(void); |
Ivop | 0:73b89fc74e9f | 7 | static void task_three(void); |
Ivop | 0:73b89fc74e9f | 8 | |
Ivop | 0:73b89fc74e9f | 9 | struct ou_task ou_tasks[] = { |
Ivop | 0:73b89fc74e9f | 10 | { task_zero, 2, 0, 0, 0, NULL }, |
Ivop | 0:73b89fc74e9f | 11 | { task_one, 1, 0, 0, 0, NULL }, |
Ivop | 0:73b89fc74e9f | 12 | { task_two, 5, 0, 0, 0, NULL }, |
Ivop | 0:73b89fc74e9f | 13 | { task_three, 5, 0, 0, 0, NULL } |
Ivop | 0:73b89fc74e9f | 14 | }; |
Ivop | 0:73b89fc74e9f | 15 | |
Ivop | 0:73b89fc74e9f | 16 | const unsigned ou_ntasks = sizeof(ou_tasks)/sizeof(struct ou_task); |
Ivop | 0:73b89fc74e9f | 17 | |
Ivop | 0:73b89fc74e9f | 18 | |
Ivop | 0:73b89fc74e9f | 19 | OU_TASK(task_zero) |
Ivop | 0:73b89fc74e9f | 20 | static DigitalOut led(LED1); |
Ivop | 0:73b89fc74e9f | 21 | |
Ivop | 0:73b89fc74e9f | 22 | OU_WAIT(100); |
Ivop | 0:73b89fc74e9f | 23 | led = 1; |
Ivop | 0:73b89fc74e9f | 24 | OU_WAIT(100); |
Ivop | 0:73b89fc74e9f | 25 | led = 0; |
Ivop | 0:73b89fc74e9f | 26 | OU_ENDTASK |
Ivop | 0:73b89fc74e9f | 27 | |
Ivop | 0:73b89fc74e9f | 28 | OU_TASK(task_one) |
Ivop | 0:73b89fc74e9f | 29 | static DigitalOut led(LED2); |
Ivop | 0:73b89fc74e9f | 30 | |
Ivop | 0:73b89fc74e9f | 31 | OU_WAIT(100); |
Ivop | 0:73b89fc74e9f | 32 | led = 1; |
Ivop | 0:73b89fc74e9f | 33 | OU_WAIT(100); |
Ivop | 0:73b89fc74e9f | 34 | led = 0; |
Ivop | 0:73b89fc74e9f | 35 | OU_WAIT(100); |
Ivop | 0:73b89fc74e9f | 36 | led = 1; |
Ivop | 0:73b89fc74e9f | 37 | for(;;) { |
Ivop | 0:73b89fc74e9f | 38 | OU_WAIT(50); |
Ivop | 0:73b89fc74e9f | 39 | led = 0; |
Ivop | 0:73b89fc74e9f | 40 | OU_WAIT(50); |
Ivop | 0:73b89fc74e9f | 41 | led = 1; |
Ivop | 0:73b89fc74e9f | 42 | } |
Ivop | 0:73b89fc74e9f | 43 | OU_ENDTASK |
Ivop | 0:73b89fc74e9f | 44 | |
Ivop | 0:73b89fc74e9f | 45 | OU_TASK(task_two) |
Ivop | 0:73b89fc74e9f | 46 | static DigitalOut led(LED3); |
Ivop | 0:73b89fc74e9f | 47 | for(;;) { |
Ivop | 0:73b89fc74e9f | 48 | OU_WAIT(100); |
Ivop | 0:73b89fc74e9f | 49 | led = !led; |
Ivop | 0:73b89fc74e9f | 50 | } |
Ivop | 0:73b89fc74e9f | 51 | OU_ENDTASK |
Ivop | 0:73b89fc74e9f | 52 | |
Ivop | 0:73b89fc74e9f | 53 | OU_TASK(task_three) |
Ivop | 0:73b89fc74e9f | 54 | static DigitalOut led(LED4); |
Ivop | 0:73b89fc74e9f | 55 | for(;;) { |
Ivop | 0:73b89fc74e9f | 56 | OU_WAIT(20); |
Ivop | 0:73b89fc74e9f | 57 | led = !led; |
Ivop | 0:73b89fc74e9f | 58 | } |
Ivop | 0:73b89fc74e9f | 59 | OU_ENDTASK |