Diff: main.cpp

Revision:

8:542ae9ef1003

Parent:

7:3f4048c1cc81

--- a/main.cpp	Tue Jun 25 15:23:40 2019 +0000
+++ b/main.cpp	Wed Jun 26 09:51:41 2019 +0000
@@ -21,10 +21,11 @@
 InterruptIn Button(USER_BUTTON);  // User Button
 Ticker  LoopTimer;                // interrupt for control loop
 Timer t;                          // timer to analyse Button
+Timer twhile;                     // timer for time measurement (usage in while(1), without timer attached)
 
 int   k;
 bool  doRun = false;
-float Ts = 1.0f;                 // sample time of main loop, 20 Hz
+float Ts = 0.05f;                 // sample time of main loop, 20 Hz
 
 IIR_filter pt1(0.2f, Ts, 1.0f);
 float altitudef = 0.0f;
@@ -38,24 +39,27 @@
 // -----------------------------------------------------------------------------
 int main()
 {
-    pc.baud(115200);                   // for serial comm.
-    // LoopTimer.attach(&updateLoop, Ts); // attach loop to timer interrupt
+    pc.baud(2000000);                   // for serial comm.
     Button.fall(&pressed);             // attach key pressed function
     Button.rise(&released);            // attach key pressed function
     k = 0;
     pt1.reset(0.0f);
     barometer.reset();
+    wait(1.0f);
+    // LoopTimer.attach(&updateLoop, Ts); // attach loop to timer interrupt
     ///*
+    twhile.start(); // timer for time measurement (usage in while(1), without timer attached)
     while(1) {
         altitude = barometer();
         altitudef = pt1(altitude);
         if(doRun) {
             // use this section to do dynamical measurements
-            if(doRun && k++ < 4000) {
-                pc.printf("%10i %10.9e\r\n", k, altitude);
+            if(doRun && k++ < 2000) {
+            // if(doRun) {
+            //     k++;
+                pc.printf("%10i %10.6e %10.6e\r\n", k, twhile.read(), altitude);
             }
         }
-        wait_us(16000);
     }
     //*/
 }
@@ -79,8 +83,8 @@
     if(doRun) {
         ///*
         // use this section to do dynamical measurements
-        if(doRun && k++ < 4000) {
-            pc.printf("%10i %10.9e\r\n", k, altitude);
+        if(doRun && k++ < 2000) {
+            pc.printf("%10i %10.6e\r\n", k, altitude);
         }
         //*/
         /*
@@ -107,6 +111,7 @@
     if(doRun) {
         k = 0;
         pt1.reset(0.0f);
+        twhile.reset(); // timer for time measurement (usage in while(1), without timer attached)
     }
     doRun = !doRun;
     t.stop();