Diff: main.cpp

Revision:

0:ff25f1727cb9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Aug 24 05:29:31 2011 +0000
@@ -0,0 +1,144 @@
+#include "mbed.h"
+
+Serial rn42(p9,p10);
+//Serial rn42(p28,p27); // tx, rx
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED4);
+
+AnalogIn ad(p20);
+AnalogOut da(p18);
+
+Ticker flipper;
+
+int AD_now, AD_before;
+int ADdata[200];
+int i1;
+bool flg_save;
+bool flg_finish_saving;
+
+int flg_mode;   //trigger mode
+int trigger_y;
+
+
+int flip_counter;
+
+void flip() {
+    //printf("flg_save = %d, flg_finish_saving = %d, flg_mode = %c, trigger_y = %d",flg_save, flg_finish_saving, flg_mode, trigger_y);
+    //DA out
+        //da = (float)flip_counter * 0.01;
+        da = sin(((float)flip_counter*4.0 / 180.0) * 3.14)*0.5+0.5;
+        ++flip_counter;
+        
+    if(flip_counter<90){
+        ;
+    }else{
+        flip_counter=0;
+    }
+    
+    //AD comvert
+    AD_now = (int)(ad.read()*3300.0);     //return mV
+    
+    if(flg_save == 1){  //saving mode
+        if(i1 < 100){
+            flg_finish_saving = 0;
+            ADdata[i1] = AD_now;     //return uV
+            myled1 = !myled1;
+            ++i1;
+            //printf("%d\n",i1);
+        }else{
+            i1 = 0;
+            flg_finish_saving = 1;
+            flg_save = 0; //break saving mode
+            
+            //printf("flg_finish_saving = 1");
+            myled4 = !myled4;
+        }
+    }
+    
+    //check trigger
+    //printf("flg_save = %d, flg_finish_saving = %d, flg_mode = %d\n",flg_save,flg_finish_saving,flg_mode);
+    if((flg_save == 0)&&(flg_finish_saving == 0)){
+        if(flg_mode == 1){    //up
+            if((trigger_y > AD_before)&&(trigger_y < AD_now)){
+                flg_save = 1;
+                myled2 = !myled2;
+                ADdata[0] = AD_before; 
+                ADdata[1] = AD_now;
+                i1 = 2;
+               
+            }
+        }else if(flg_mode == 2){  //down
+            if((trigger_y < AD_before)&&(trigger_y > AD_now)){
+                flg_save = 1;
+                myled2 = !myled2;
+                ADdata[0] = AD_before; 
+                ADdata[1] = AD_now;
+                i1 = 2;
+            }
+        }else if(flg_mode == 0){ //stop
+            //do nothing
+        }
+    }
+    
+    //printf("flg_save = %d, flg_finish_saving = %d, flg_mode = %d\n",flg_save,flg_finish_saving,flg_mode);
+    
+    AD_before = AD_now;
+    myled3 = !myled3;
+}
+
+
+int main() {
+    //char input[100];
+    rn42.baud(115200);
+    myled1 = 0;
+    myled2 = 0;
+        
+    int j=0;
+    
+    flipper.attach_us(&flip, 1000); // the address of the function to be attached (flip) and the interval
+    //flipper.attach(&flip, 1);
+    printf("start\n");
+    
+    // echo back characters, toggle the LED
+    while (1) {
+        if (rn42.readable()) {
+           int n = rn42.scanf("T%dV%d", &flg_mode, &trigger_y);
+           printf("T%dV%d\n", flg_mode, trigger_y);
+           rn42.getc();//These getc() are for stopping scanf().
+           rn42.getc();
+           //printf("T%dV%d\n", flg_mode, trigger_y);
+        }
+        
+        
+        if(flg_finish_saving==1){
+            while(j<100){
+                if(rn42.writeable()){
+                printf("%d,%d\n\r", j,ADdata[j]);
+                rn42.printf("%d,\n\r", ADdata[j]);
+                ++j;
+            
+                if(j>=100){
+                //flg reset
+                    printf("END\n\r");
+                    rn42.printf("END\n\r");
+                    flg_finish_saving = 0;
+                    flg_mode = 0;
+                    flg_save = 0;
+                    
+                    
+                    myled1 = 0;
+                    myled2 = 0;
+                    myled3 = 0;
+                    myled4 = 0;
+                
+                }
+                }
+            
+            }
+                
+            j = 0;
+        }
+    }
+}