altb_pmic / Mbed 2 deprecated Grove-Barometric_Pressure_Sensor_Example

Dependencies:   HP206C mbed

Revision:
7:3f4048c1cc81
Parent:
6:898a83da0661
Child:
8:542ae9ef1003
diff -r 898a83da0661 -r 3f4048c1cc81 main.cpp
--- a/main.cpp	Tue Jun 25 14:51:58 2019 +0000
+++ b/main.cpp	Tue Jun 25 15:23:40 2019 +0000
@@ -3,7 +3,15 @@
 #include "IIR_filter.h"
 
 /*  Notes pmic 25.06.2019:
-  - 
+  -
+*/
+
+/*
+Serial pc(SERIAL_TX, SERIAL_RX);
+HP206C barometer(D14, D15);
+float altitude = 0.0f;
+
+
 */
 
 HP206C barometer(D14, D15); // 20 Hz parametrization
@@ -16,7 +24,7 @@
 
 int   k;
 bool  doRun = false;
-float Ts = 0.05f;                 // sample time of main loop, 20 Hz
+float Ts = 1.0f;                 // sample time of main loop, 20 Hz
 
 IIR_filter pt1(0.2f, Ts, 1.0f);
 float altitudef = 0.0f;
@@ -30,35 +38,57 @@
 // -----------------------------------------------------------------------------
 int main()
 {
-    pc.baud(2000000);                  // for serial comm.
-    LoopTimer.attach(&updateLoop, Ts); // attach loop to timer interrupt
+    pc.baud(115200);                   // for serial comm.
+    // LoopTimer.attach(&updateLoop, Ts); // attach loop to timer interrupt
     Button.fall(&pressed);             // attach key pressed function
     Button.rise(&released);            // attach key pressed function
     k = 0;
     pt1.reset(0.0f);
     barometer.reset();
-    wait_us(100);
+    ///*
+    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);
+            }
+        }
+        wait_us(16000);
+    }
+    //*/
 }
 
+// original
+/*
+    pc.baud(115200);
+    barometer.reset();
+    while(1) {
+        altitude = barometer();
+        pc.printf("altitude %f\r\n", altitude);
+        wait_ms(20); // don't hammer the serial console
+    }
+*/
+
 // the updateLoop starts as soon as you pressed the blue botton
 void updateLoop(void)
 {
     altitude = barometer();
     altitudef = pt1(altitude);
-    // pc.printf("%10i %10.6e\r\n", k, altitude);
     if(doRun) {
-        /*
+        ///*
         // use this section to do dynamical measurements
         if(doRun && k++ < 4000) {
             pc.printf("%10i %10.9e\r\n", k, altitude);
         }
-        */
-        ///*
+        //*/
+        /*
         // use this section to do static measurements
         if(doRun && k++%25 == 0) {
             pc.printf("%10i %10.6e\r\n", k, altitudef);
         }
-        //*/
+        */
     }
 }