Diff: main.cpp

Revision:

0:55964073973e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Aug 16 10:57:17 2017 +0000
@@ -0,0 +1,86 @@
+#include "mbed.h"
+
+enum HW_State{RST,RUN};
+
+DigitalOut Reset(PTD4);
+BusIn  Input(PTA12,PTA4,PTA5,PTC8);
+
+Serial pc(USBTX,USBRX);
+
+enum HW_State FRDM_State;
+int Program_State[3];
+unsigned char command;
+ char curr_state;
+ char prev_state;
+ Timer t;
+ int timer_ms;
+ 
+ 
+ void Check_error(char curr_state,char prev_state)
+{
+    if(((curr_state == 0) && ((prev_state == 0) || (prev_state == 9)) ||((prev_state+1) == curr_state))) //At Start or at Roll over
+    {
+        Program_State[0] = 0;
+    }
+    else 
+    {
+        Program_State[0] = -1;
+    }
+}
+
+
+int main() {
+    Reset = 1;//Need to find what is the reset Methdology
+    FRDM_State=RST;
+    prev_state =0;
+    Input.mode(PullNone);
+    
+    while(1) {
+        if(pc.readable())
+        {
+            command=pc.getc();
+            switch(command)
+            {
+                case 's':
+                case 'S':  Reset =0;
+                           FRDM_State=RUN;
+                           t.start();
+                           break;
+                case 'x':
+                case 'X':  Reset =1;
+                           FRDM_State=RST;
+                           break;
+                          
+            }
+        }
+        if(FRDM_State == RUN)
+        {
+            curr_state=Input & Input.mask();
+            if(curr_state != prev_state)
+            {
+                t.stop();
+                timer_ms=t.read_ms();
+                t.reset();
+                t.start();
+                Check_error(curr_state,prev_state);
+                prev_state = curr_state;
+                if(( timer_ms> 494) && (timer_ms < 505))
+                {
+                    Program_State[1] = 0;
+                }
+                else
+                {
+                    Program_State[1] = -1;
+                }
+                
+                if(curr_state == 0 && prev_state == 9)
+                {
+                    pc.printf("%d,%d\n\r",Program_State[0],Program_State[1]);
+                }
+            }
+        }
+        
+    }
+}
+
+