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Sample example of using EventFlags in mbed-os threads
Dependencies: IHM_V2
Purpose: Sample example of using EventFlags in mbed-os threads
that trigger a thread thrgough its EventFlags. Target: L432KC / Nboard (from IUT-Cachan) Tested: YES (2019-01-09) Author: Jacques-Olivier Klein - IUT de CACHAN Date: 2018-02-10 rev. 2019-01-09 OS_STACK_SIZE=4096 Libraries: mbed-os rev5345:c966348(03jan2019) + IHMV2 (from IUT-Cachan) rev6:ad91067
main.cpp@32:88edbd7e31e3, 2019-01-09 (annotated)
- Committer:
- jacquesolivierklein
- Date:
- Wed Jan 09 12:32:58 2019 +0000
- Revision:
- 32:88edbd7e31e3
- Parent:
- 31:2afcd3a7b307
- Child:
- 33:ebb57af47121
update for mbed-os-5.11 (and IHM-V2)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jacquesolivierklein | 31:2afcd3a7b307 | 1 | // Title :mbed-os-eventflags (previously mbed-os-signals) |
jacquesolivierklein | 27:3546959ecd59 | 2 | // Author: Jacques-Olivier Klein - IUT de CACHAN |
jacquesolivierklein | 31:2afcd3a7b307 | 3 | // Date: 2018-02-11 rev. 2019-01-06 |
jacquesolivierklein | 27:3546959ecd59 | 4 | |
Jonathan Austin |
0:2757d7abb7d9 | 5 | #include "mbed.h" |
jacquesolivierklein | 27:3546959ecd59 | 6 | #include "IHM.h" |
jacquesolivierklein | 27:3546959ecd59 | 7 | |
jacquesolivierklein | 27:3546959ecd59 | 8 | IHM ihm; |
jacquesolivierklein | 31:2afcd3a7b307 | 9 | Mutex bargraph_mutex; |
Jonathan Austin |
0:2757d7abb7d9 | 10 | |
jacquesolivierklein | 27:3546959ecd59 | 11 | DigitalOut L0 (PB_3) ; // led L0 |
jacquesolivierklein | 27:3546959ecd59 | 12 | DigitalOut L1 (PA_7) ; // led L1 |
jacquesolivierklein | 27:3546959ecd59 | 13 | DigitalOut L2 (PA_6) ; // led L2 |
jacquesolivierklein | 27:3546959ecd59 | 14 | DigitalOut L6 (PA_0) ; // led L6 |
jacquesolivierklein | 27:3546959ecd59 | 15 | |
jacquesolivierklein | 27:3546959ecd59 | 16 | InterruptIn BP0Interrupt(PA_9); |
jacquesolivierklein | 27:3546959ecd59 | 17 | InterruptIn BP1Interrupt(PA_10); |
jacquesolivierklein | 27:3546959ecd59 | 18 | InterruptIn BP2Interrupt(PB_0); |
jacquesolivierklein | 27:3546959ecd59 | 19 | InterruptIn BP3Interrupt(PB_7); |
jacquesolivierklein | 27:3546959ecd59 | 20 | |
jacquesolivierklein | 29:76fa085de35e | 21 | void led_thread_signal(); |
Jonathan Austin |
0:2757d7abb7d9 | 22 | |
jacquesolivierklein | 27:3546959ecd59 | 23 | void isrBP0 (); |
jacquesolivierklein | 27:3546959ecd59 | 24 | void isrBP1 (); |
jacquesolivierklein | 27:3546959ecd59 | 25 | void isrBP2 (); |
jacquesolivierklein | 27:3546959ecd59 | 26 | void isrBP3 (); |
jacquesolivierklein | 27:3546959ecd59 | 27 | |
jacquesolivierklein | 31:2afcd3a7b307 | 28 | Thread thread_signal; |
jacquesolivierklein | 31:2afcd3a7b307 | 29 | |
jacquesolivierklein | 31:2afcd3a7b307 | 30 | EventFlags my_event_flags; |
jacquesolivierklein | 27:3546959ecd59 | 31 | |
jacquesolivierklein | 27:3546959ecd59 | 32 | int main(void) |
jacquesolivierklein | 27:3546959ecd59 | 33 | { ihm.LCD_clear(); |
jacquesolivierklein | 32:88edbd7e31e3 | 34 | ihm.LCD_printf("Events%s %s",__DATE__,__TIME__); |
jacquesolivierklein | 32:88edbd7e31e3 | 35 | printf("\n\rmbed-os-eventflags\n\r"); |
jacquesolivierklein | 27:3546959ecd59 | 36 | printf("\n\r%s - %s\n\r",__DATE__,__TIME__); |
jacquesolivierklein | 31:2afcd3a7b307 | 37 | printf("OS_STACK_SIZE:%d\n\r", OS_STACK_SIZE); |
jacquesolivierklein | 27:3546959ecd59 | 38 | BP0Interrupt.mode(PullUp); |
jacquesolivierklein | 27:3546959ecd59 | 39 | BP0Interrupt.fall(&isrBP0); |
jacquesolivierklein | 27:3546959ecd59 | 40 | BP1Interrupt.mode(PullUp); |
jacquesolivierklein | 27:3546959ecd59 | 41 | BP1Interrupt.fall(&isrBP1); |
jacquesolivierklein | 27:3546959ecd59 | 42 | BP2Interrupt.mode(PullUp); |
jacquesolivierklein | 27:3546959ecd59 | 43 | BP2Interrupt.fall(&isrBP2); |
jacquesolivierklein | 27:3546959ecd59 | 44 | BP3Interrupt.mode(PullUp); |
jacquesolivierklein | 27:3546959ecd59 | 45 | BP3Interrupt.fall(&isrBP3); |
jacquesolivierklein | 27:3546959ecd59 | 46 | |
jacquesolivierklein | 29:76fa085de35e | 47 | thread_signal.start(led_thread_signal); |
jacquesolivierklein | 27:3546959ecd59 | 48 | |
jacquesolivierklein | 27:3546959ecd59 | 49 | while(1){ |
jacquesolivierklein | 31:2afcd3a7b307 | 50 | wait(4.000); |
jacquesolivierklein | 27:3546959ecd59 | 51 | L6=!L6; |
jacquesolivierklein | 31:2afcd3a7b307 | 52 | printf("M [pid-%d]Main \n\r",osThreadGetId()); |
Jonathan Austin |
0:2757d7abb7d9 | 53 | } |
Jonathan Austin |
0:2757d7abb7d9 | 54 | } |
Jonathan Austin |
1:846c97078558 | 55 | |
jacquesolivierklein | 29:76fa085de35e | 56 | void led_thread_signal(){ |
jacquesolivierklein | 31:2afcd3a7b307 | 57 | uint32_t flags; |
jacquesolivierklein | 27:3546959ecd59 | 58 | while (true) { |
jacquesolivierklein | 31:2afcd3a7b307 | 59 | flags = my_event_flags.wait_any(0x3); // wait for 1 or 2 |
jacquesolivierklein | 31:2afcd3a7b307 | 60 | ihm.BAR_set(flags); |
jacquesolivierklein | 31:2afcd3a7b307 | 61 | printf(" S [pid-%d]led6_thread_signal <%d> 1 or 2 detected \n\r",osThreadGetId(),flags); |
jacquesolivierklein | 31:2afcd3a7b307 | 62 | flags = my_event_flags.wait_all(0xC); // wait for 4 and 8 |
jacquesolivierklein | 31:2afcd3a7b307 | 63 | ihm.BAR_set(flags); |
jacquesolivierklein | 31:2afcd3a7b307 | 64 | printf(" S [pid-%d]led6_thread_signal <%d> 4 and 8 detected \n\r",osThreadGetId(),flags); |
jacquesolivierklein | 27:3546959ecd59 | 65 | } |
jacquesolivierklein | 27:3546959ecd59 | 66 | } |
jacquesolivierklein | 27:3546959ecd59 | 67 | |
jacquesolivierklein | 27:3546959ecd59 | 68 | void isrBP0 (void){ |
jacquesolivierklein | 31:2afcd3a7b307 | 69 | my_event_flags.set(0x1); |
jacquesolivierklein | 27:3546959ecd59 | 70 | } |
jacquesolivierklein | 27:3546959ecd59 | 71 | |
jacquesolivierklein | 27:3546959ecd59 | 72 | void isrBP1 (void){ |
jacquesolivierklein | 31:2afcd3a7b307 | 73 | my_event_flags.set(0x2); |
jacquesolivierklein | 27:3546959ecd59 | 74 | } |
jacquesolivierklein | 27:3546959ecd59 | 75 | |
jacquesolivierklein | 27:3546959ecd59 | 76 | void isrBP2 (void){ |
jacquesolivierklein | 31:2afcd3a7b307 | 77 | my_event_flags.set(0x4); |
jacquesolivierklein | 27:3546959ecd59 | 78 | } |
jacquesolivierklein | 27:3546959ecd59 | 79 | |
jacquesolivierklein | 27:3546959ecd59 | 80 | void isrBP3 (void){ |
jacquesolivierklein | 31:2afcd3a7b307 | 81 | my_event_flags.set(0x8); |
jacquesolivierklein | 27:3546959ecd59 | 82 | } |