mingjun xu
/
thread_test
A RTOS,Thread test.
main.cpp@0:15a8ce505cc7, 2017-12-06 (annotated)
- Committer:
- mingjunxu
- Date:
- Wed Dec 06 12:35:56 2017 +0000
- Revision:
- 0:15a8ce505cc7
RTOS Thread test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mingjunxu | 0:15a8ce505cc7 | 1 | #include "mbed.h" |
mingjunxu | 0:15a8ce505cc7 | 2 | #include "rtos.h" |
mingjunxu | 0:15a8ce505cc7 | 3 | |
mingjunxu | 0:15a8ce505cc7 | 4 | #include "DS1820.h" |
mingjunxu | 0:15a8ce505cc7 | 5 | #define DATA_PIN D12 |
mingjunxu | 0:15a8ce505cc7 | 6 | |
mingjunxu | 0:15a8ce505cc7 | 7 | DS1820 probe(DATA_PIN); /*on the DATA_PIN (a 4.7K resistor tp VCC is necessary)*/ |
mingjunxu | 0:15a8ce505cc7 | 8 | DigitalOut led1(LED1); |
mingjunxu | 0:15a8ce505cc7 | 9 | |
mingjunxu | 0:15a8ce505cc7 | 10 | void thread_print(); |
mingjunxu | 0:15a8ce505cc7 | 11 | void thread_led(); |
mingjunxu | 0:15a8ce505cc7 | 12 | void thread_ds1820(); |
mingjunxu | 0:15a8ce505cc7 | 13 | |
mingjunxu | 0:15a8ce505cc7 | 14 | Thread thread1,thread2,thread3; |
mingjunxu | 0:15a8ce505cc7 | 15 | // main() runs in its own thread in the OS |
mingjunxu | 0:15a8ce505cc7 | 16 | int main() { |
mingjunxu | 0:15a8ce505cc7 | 17 | thread1.start(thread_print); |
mingjunxu | 0:15a8ce505cc7 | 18 | thread2.start(thread_led); |
mingjunxu | 0:15a8ce505cc7 | 19 | thread3.start(thread_ds1820); |
mingjunxu | 0:15a8ce505cc7 | 20 | while(1) |
mingjunxu | 0:15a8ce505cc7 | 21 | { |
mingjunxu | 0:15a8ce505cc7 | 22 | printf("10 sec pass...\n"); |
mingjunxu | 0:15a8ce505cc7 | 23 | Thread::wait(10000); |
mingjunxu | 0:15a8ce505cc7 | 24 | } |
mingjunxu | 0:15a8ce505cc7 | 25 | } |
mingjunxu | 0:15a8ce505cc7 | 26 | |
mingjunxu | 0:15a8ce505cc7 | 27 | void thread_print() |
mingjunxu | 0:15a8ce505cc7 | 28 | { |
mingjunxu | 0:15a8ce505cc7 | 29 | while(true){ |
mingjunxu | 0:15a8ce505cc7 | 30 | printf("Ich liebe dich!\n"); |
mingjunxu | 0:15a8ce505cc7 | 31 | Thread::wait(2000); //2000ms |
mingjunxu | 0:15a8ce505cc7 | 32 | } |
mingjunxu | 0:15a8ce505cc7 | 33 | } |
mingjunxu | 0:15a8ce505cc7 | 34 | |
mingjunxu | 0:15a8ce505cc7 | 35 | void thread_led() |
mingjunxu | 0:15a8ce505cc7 | 36 | { |
mingjunxu | 0:15a8ce505cc7 | 37 | while (true) { |
mingjunxu | 0:15a8ce505cc7 | 38 | led1 = !led1; |
mingjunxu | 0:15a8ce505cc7 | 39 | Thread::wait(1000); //1000 ms |
mingjunxu | 0:15a8ce505cc7 | 40 | } |
mingjunxu | 0:15a8ce505cc7 | 41 | } |
mingjunxu | 0:15a8ce505cc7 | 42 | |
mingjunxu | 0:15a8ce505cc7 | 43 | void thread_ds1820() |
mingjunxu | 0:15a8ce505cc7 | 44 | { |
mingjunxu | 0:15a8ce505cc7 | 45 | // Initialize the probe array to DS1820 objects |
mingjunxu | 0:15a8ce505cc7 | 46 | DS1820::unassignedProbe(DATA_PIN); |
mingjunxu | 0:15a8ce505cc7 | 47 | float celsius, fahrenheit; |
mingjunxu | 0:15a8ce505cc7 | 48 | |
mingjunxu | 0:15a8ce505cc7 | 49 | printf("A simple DS1820 Test:\r\n"); |
mingjunxu | 0:15a8ce505cc7 | 50 | while(1) { |
mingjunxu | 0:15a8ce505cc7 | 51 | probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready |
mingjunxu | 0:15a8ce505cc7 | 52 | celsius = probe.temperature(); |
mingjunxu | 0:15a8ce505cc7 | 53 | fahrenheit = celsius * 1.8f + 32.0f; |
mingjunxu | 0:15a8ce505cc7 | 54 | printf("Temperture = %.1f celsius, %.1f fahrenheit.\r\n",celsius, fahrenheit); |
mingjunxu | 0:15a8ce505cc7 | 55 | Thread::wait(1000); |
mingjunxu | 0:15a8ce505cc7 | 56 | } |
mingjunxu | 0:15a8ce505cc7 | 57 | } |