Revision 0:29cea2f51203, committed 2017-01-21

Comitter:

open4416

Date:

Sat Jan 21 13:10:56 2017 +0000

Commit message:

For NTHU_Racing MCU tutorial; Learn to check task over load

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Jan 21 13:10:56 2017 +0000
@@ -0,0 +1,65 @@
+#include "mbed.h"
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~GPIO registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+DigitalOut  led(D13);                   //link leg
+DigitalOut  TT_main_ext(D12);           //linl leg
+AnalogIn    adc(A0);                    //analog leg
+Serial      pc(D1, D0);                 //Serial reg
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of GPIO registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~Varible registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+Ticker  TT;                             //call a timer
+int     count = 0;                      //one second counter for extrenal led blink
+float   adc_read = 0;
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Varible registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~Function registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+void init_IO();                         //initialize IO state
+void init_TIMER();                      //set TT_main{} rate
+void TT_main();                         //timebase function rated by TT
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Function registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~main funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+int main()
+{
+    init_IO();                          //initialized value
+    init_TIMER();                       //start TT_main
+    pc.baud(9600);                      //set baud rate
+
+    while(1) {                          //main() loop
+    }
+
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of main funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~init_IO funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+void init_IO(void)                      //initialize
+{
+    led = 0;
+    TT_main_ext = 0;
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of init_IO funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~Timebase funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+void init_TIMER()                       //set TT_main{} rate
+{
+    TT.attach_us(&TT_main, 1000);
+}
+
+void TT_main()                          //interrupt function by TT
+{
+    TT_main_ext = !TT_main_ext;         //indicate TT_main() function working
+    count = count+1;                    //one second counter
+    if(count == 1000) {                 //check if main working
+        count=0;
+        led = !led;
+    }
+    adc_read = adc.read();
+    pc.printf("%.2f\r", adc_read);
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Timebase funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Jan 21 13:10:56 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/ad3be0349dc5
\ No newline at end of file