Diff: main.cpp

Revision:

0:b4b76706c8c3

Child:

1:059293827555

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Aug 10 02:23:53 2016 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+#include "sx1276-inAir.h"
+
+Serial      pc(USBTX, USBRX);  //Create a serial connection to the PC
+AnalogIn    ain(PA_0);             //Configure pin PA0 as an analog input for the temperature sensor
+//DigitalIn     din(PC_7);         //Configure pin PC2 as a digital input for the reed switch
+
+const float SUPPLY_VOLTAGE = 3.3;
+float reading_float;
+int reading_int;
+
+//Return the temperature from the sensor, in degrees celsius
+float get_temp() {
+    float reading = ain.read();
+    float output_voltage = reading * SUPPLY_VOLTAGE;
+    return (output_voltage - 0.25) / 0.028;
+}
+
+/*//Return the state of the reed switch, as either true (ON) or false (OFF)
+bool get_reed_state() {
+    return din;
+}*/
+
+int main() {
+
+    //Configure the serial connection (baud rate = 19200, 8 data bits, 1 stop bit)
+    pc.baud(9600);
+    pc.format(8, SerialBase::None, 1);
+
+    while(1) {
+
+        reading_float = get_temp();
+        reading_int = (int)(reading_float);
+        pc.printf("Temperature = %d \r\n\r\n", reading_int);
+
+        wait_ms(500);
+
+        /*if (get_reed_state()) {
+            pc.printf("Reed switch is ON\r\n");
+        }
+        else {
+            pc.printf("Reed switch is OFF\r\n");
+        }
+        wait_ms(500);*/
+
+    }
+}