Diff: main.cpp

Revision:

46:e9d929bae82d

Parent:

45:efab79252438

diff -r efab79252438 -r e9d929bae82d main.cpp
--- a/main.cpp	Wed May 18 06:53:47 2022 +0000
+++ b/main.cpp	Tue May 24 09:19:20 2022 +0200
@@ -6,6 +6,7 @@
 # define M_PI 3.14159265358979323846  // number pi
 
 // adding the first comment of the semester
+// adding a testing comment
 
 // logical variable main task
 bool do_execute_main_task = false;  // this variable will be toggled via the user button (blue button) to or not to execute the main task
@@ -28,6 +29,10 @@
     // led on nucleo board
     DigitalOut user_led(LED1);      // create DigitalOut object to command user led
 
+    AnalogIn ir_analog_in(PC_2); // create AnalogIn for IR sensor calibration 
+    float ir_distance_mV = 0.0f;
+    float ir_distance_cm = 0.0f;
+
     // attach button fall and rise functions to user button object
     user_button.fall(&user_button_pressed_fcn);
     user_button.rise(&user_button_released_fcn);
@@ -39,7 +44,10 @@
 
         main_task_timer.reset();
         
-       
+        // reads IR sensor's raw value, AnalogIn/Out normalized to 1 (read between 0-3.3 V)
+        ir_distance_mV = ir_analog_in.read() * 3.3f * 1.0e3f; 
+        
+
         if (do_execute_main_task) {
 
         } else {
@@ -52,6 +60,8 @@
         }
         main_task_cntr++;
         
+        printf("IR Sensor (mV): %f\r\n", ir_distance_mV);
+
         // do only output via serial what's really necessary (this makes your code slow)
         /*
         printf("IR sensor (mV): %3.3f, IR sensor (cm): %3.3f, SensorBar angle (rad): %3.3f, Speed M1 (rps) %3.3f, Position M2 (rot): %3.3f\r\n",