Gopal Nair / Mbed 2 deprecated frdm_rtos_serial

new

Dependencies:   mbed-rtos mbed

main.cpp@0:2d65e3de0b15, 2017-07-06 (annotated)

Committer:
naray23
Date:
Thu Jul 06 17:15:03 2017 +0000
Revision:
0:2d65e3de0b15
new

Who changed what in which revision?

UserRevisionLine numberNew contents of line
naray23 0:2d65e3de0b15 1 #include "mbed.h"
naray23 0:2d65e3de0b15 2 #include "rtos.h"
naray23 0:2d65e3de0b15 3
naray23 0:2d65e3de0b15 4
naray23 0:2d65e3de0b15 5 DigitalOut led1(LED1);
naray23 0:2d65e3de0b15 6 DigitalOut led2(LED2);
naray23 0:2d65e3de0b15 7
naray23 0:2d65e3de0b15 8 InterruptIn sw2(PTD4);
naray23 0:2d65e3de0b15 9 uint32_t button_pressed;
naray23 0:2d65e3de0b15 10 RawSerial pc(USBTX,USBRX);
naray23 0:2d65e3de0b15 11
naray23 0:2d65e3de0b15 12 Thread *thread2;
naray23 0:2d65e3de0b15 13 Thread *thread3;
naray23 0:2d65e3de0b15 14
naray23 0:2d65e3de0b15 15 char ch;
naray23 0:2d65e3de0b15 16 void sw2_press(void)
naray23 0:2d65e3de0b15 17 {
naray23 0:2d65e3de0b15 18 thread2->signal_set(0x1);
naray23 0:2d65e3de0b15 19 }
naray23 0:2d65e3de0b15 20
naray23 0:2d65e3de0b15 21 void RX_callback() {
naray23 0:2d65e3de0b15 22 // Note: you need to actually read from the serial to clear the RX interrupt
naray23 0:2d65e3de0b15 23 while(pc.readable())
naray23 0:2d65e3de0b15 24 {
naray23 0:2d65e3de0b15 25 ch=pc.getc();
naray23 0:2d65e3de0b15 26 }
naray23 0:2d65e3de0b15 27 led2 = !led2;
naray23 0:2d65e3de0b15 28 thread3->signal_set(0x1);
naray23 0:2d65e3de0b15 29 }
naray23 0:2d65e3de0b15 30 void led_thread(void const *argument)
naray23 0:2d65e3de0b15 31 {
naray23 0:2d65e3de0b15 32 while (true) {
naray23 0:2d65e3de0b15 33 led1 = !led1;
naray23 0:2d65e3de0b15 34 Thread::wait(1000);
naray23 0:2d65e3de0b15 35 }
naray23 0:2d65e3de0b15 36 }
naray23 0:2d65e3de0b15 37
naray23 0:2d65e3de0b15 38 void button_thread(void const *argument)
naray23 0:2d65e3de0b15 39 {
naray23 0:2d65e3de0b15 40 while (true) {
naray23 0:2d65e3de0b15 41 Thread::signal_wait(0x1);
naray23 0:2d65e3de0b15 42 button_pressed++;
naray23 0:2d65e3de0b15 43 }
naray23 0:2d65e3de0b15 44 }
naray23 0:2d65e3de0b15 45
naray23 0:2d65e3de0b15 46 void Serial_thread(void const *argument)
naray23 0:2d65e3de0b15 47 {
naray23 0:2d65e3de0b15 48 while (true) {
naray23 0:2d65e3de0b15 49 Thread::signal_wait(0x1);
naray23 0:2d65e3de0b15 50 pc.putc(ch);
naray23 0:2d65e3de0b15 51 }
naray23 0:2d65e3de0b15 52 }
naray23 0:2d65e3de0b15 53
naray23 0:2d65e3de0b15 54 int main()
naray23 0:2d65e3de0b15 55 {
naray23 0:2d65e3de0b15 56 Thread thread(led_thread);
naray23 0:2d65e3de0b15 57 thread2 = new Thread(button_thread);
naray23 0:2d65e3de0b15 58 thread3 = new Thread(Serial_thread);
naray23 0:2d65e3de0b15 59
naray23 0:2d65e3de0b15 60 button_pressed = 0;
naray23 0:2d65e3de0b15 61 sw2.fall(&sw2_press);
naray23 0:2d65e3de0b15 62 pc.attach(&RX_callback,Serial::RxIrq);
naray23 0:2d65e3de0b15 63 while (true) {
naray23 0:2d65e3de0b15 64 Thread::wait(5000);
naray23 0:2d65e3de0b15 65 //pc.printf("SW2 was pressed (last 5 seconds): %d \n", button_pressed);
naray23 0:2d65e3de0b15 66 //fflush(stdout);
naray23 0:2d65e3de0b15 67 button_pressed = 0;
naray23 0:2d65e3de0b15 68 }
naray23 0:2d65e3de0b15 69 }