Diff: bomba-sensor_umidade/main.cpp

Revision:

0:cdb895446e57

Child:

1:4d014defc573

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bomba-sensor_umidade/main.cpp	Wed Jun 06 19:17:52 2018 +0000
@@ -0,0 +1,66 @@
+#include "mbed.h"
+
+// Biblioteca para utilização do LCD Display
+#include "C12832.h"
+
+// Initialize a pins to perform analog input and digital output fucntions
+AnalogIn   potenciometro(p19);
+AnalogIn   sensor(p15);
+
+//DigitalOut blue(p25);
+//DigitalOut green(p24);
+
+// Visualização PWM LED1
+PwmOut l_out(LED1);
+PwmOut pwm(p24);
+
+// Default initialization for LCD
+C12832 lcd(p5, p7, p6, p8, p11);
+
+int main(void)
+{
+    lcd.cls();
+
+    // Codigo PWM
+    int i;
+    float pw;  // signal pulse width from 0 to 1
+    int reps;  // pulse repetitions
+    float level[]= {0, 0.2, 0.4, 0.6 };
+
+    pwm.period_us(100);
+
+    while (1) {
+
+
+        for(i=0; i<=3; i+=1) {
+            pw = level[i];      // pulse width steps of 0, 0.2, 0.4, and 0.6
+            for(reps=0; reps<=10000; reps++) { // for visual delay
+
+                l_out.write(pw);
+            }
+        }
+
+        pwm.write(0.5f);
+
+        /*
+            Test the voltage on the initialized analog pin
+            and if greater than 0.3 * VCC set the blue on
+            otherwise green on
+        */
+        //if(potenciometro > 0.3f) {  // Valor capturado somente chamando o nome do AnalogIn
+        //    blue = 1;
+        //    green = 0;
+        //}
+        //else {
+        //    blue = 0;
+        //    green = 1;
+        //}
+
+        // Print the % value and the absolute value from the sensor at p15
+        lcd.locate(0,3);
+        lcd.printf( "Percentage: %3.3f%% \n", sensor.read() * 100.0f );
+        lcd.printf( "Absolute Value: %2.3f", sensor.read() );
+        wait(0.02f);
+        lcd.cls();
+    }
+}
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