NTHU_Racing / Mbed 2 deprecated Practice_5_example

For NTHU_Racing MCU tutorial Learn to check task over load

Dependencies:   mbed

main.cpp@0:29cea2f51203, 2017-01-21 (annotated)

Committer:
open4416
Date:
Sat Jan 21 13:10:56 2017 +0000
Revision:
0:29cea2f51203
For NTHU_Racing MCU tutorial; Learn to check task over load

Who changed what in which revision?

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open4416 0:29cea2f51203 1 #include "mbed.h"
open4416 0:29cea2f51203 2
open4416 0:29cea2f51203 3 //~~~~~~~~~~~~~~~~~~~~~~~~~~~GPIO registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 4 DigitalOut led(D13); //link leg
open4416 0:29cea2f51203 5 DigitalOut TT_main_ext(D12); //linl leg
open4416 0:29cea2f51203 6 AnalogIn adc(A0); //analog leg
open4416 0:29cea2f51203 7 Serial pc(D1, D0); //Serial reg
open4416 0:29cea2f51203 8 //~~~~~~~~~~~~~~~~~~~~~~~~~~~end of GPIO registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 9
open4416 0:29cea2f51203 10
open4416 0:29cea2f51203 11 //~~~~~~~~~~~~~~~~~~~~~~~~~~~Varible registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 12 Ticker TT; //call a timer
open4416 0:29cea2f51203 13 int count = 0; //one second counter for extrenal led blink
open4416 0:29cea2f51203 14 float adc_read = 0;
open4416 0:29cea2f51203 15 //~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Varible registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 16
open4416 0:29cea2f51203 17
open4416 0:29cea2f51203 18 //~~~~~~~~~~~~~~~~~~~~~~~~~~~Function registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 19 void init_IO(); //initialize IO state
open4416 0:29cea2f51203 20 void init_TIMER(); //set TT_main{} rate
open4416 0:29cea2f51203 21 void TT_main(); //timebase function rated by TT
open4416 0:29cea2f51203 22 //~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Function registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 23
open4416 0:29cea2f51203 24
open4416 0:29cea2f51203 25 //~~~~~~~~~~~~~~~~~~~~~~~~~~~main funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 26 int main()
open4416 0:29cea2f51203 27 {
open4416 0:29cea2f51203 28 init_IO(); //initialized value
open4416 0:29cea2f51203 29 init_TIMER(); //start TT_main
open4416 0:29cea2f51203 30 pc.baud(9600); //set baud rate
open4416 0:29cea2f51203 31
open4416 0:29cea2f51203 32 while(1) { //main() loop
open4416 0:29cea2f51203 33 }
open4416 0:29cea2f51203 34
open4416 0:29cea2f51203 35 }
open4416 0:29cea2f51203 36 //~~~~~~~~~~~~~~~~~~~~~~~~~~~end of main funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 37
open4416 0:29cea2f51203 38
open4416 0:29cea2f51203 39 //~~~~~~~~~~~~~~~~~~~~~~~~~~~init_IO funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 40 void init_IO(void) //initialize
open4416 0:29cea2f51203 41 {
open4416 0:29cea2f51203 42 led = 0;
open4416 0:29cea2f51203 43 TT_main_ext = 0;
open4416 0:29cea2f51203 44 }
open4416 0:29cea2f51203 45 //~~~~~~~~~~~~~~~~~~~~~~~~~~~end of init_IO funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 46
open4416 0:29cea2f51203 47
open4416 0:29cea2f51203 48 //~~~~~~~~~~~~~~~~~~~~~~~~~~~Timebase funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
open4416 0:29cea2f51203 49 void init_TIMER() //set TT_main{} rate
open4416 0:29cea2f51203 50 {
open4416 0:29cea2f51203 51 TT.attach_us(&TT_main, 1000);
open4416 0:29cea2f51203 52 }
open4416 0:29cea2f51203 53
open4416 0:29cea2f51203 54 void TT_main() //interrupt function by TT
open4416 0:29cea2f51203 55 {
open4416 0:29cea2f51203 56 TT_main_ext = !TT_main_ext; //indicate TT_main() function working
open4416 0:29cea2f51203 57 count = count+1; //one second counter
open4416 0:29cea2f51203 58 if(count == 1000) { //check if main working
open4416 0:29cea2f51203 59 count=0;
open4416 0:29cea2f51203 60 led = !led;
open4416 0:29cea2f51203 61 }
open4416 0:29cea2f51203 62 adc_read = adc.read();
open4416 0:29cea2f51203 63 pc.printf("%.2f\r", adc_read);
open4416 0:29cea2f51203 64 }
open4416 0:29cea2f51203 65 //~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Timebase funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//