Read the temperaure in celsius and then convert to Fahrenheit degrees, and also display the value on the serial port.
Dependencies: Hotboards_temp mbed
Diff: main.cpp
- Revision:
- 0:44c15fe6cc16
diff -r 000000000000 -r 44c15fe6cc16 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 22 22:09:37 2016 +0000
@@ -0,0 +1,45 @@
+#include "mbed.h"
+/*
+ Hotboards temp Library - Farenheit degrees
+ Read the temperaure in celsius and then convert to Farenheit degrees, and also display
+ the value on the serial port.
+ The circuit
+ * VDD --> 3.3v
+ * SDA --> PB_9
+ * SCL --> PB_8
+ * ALERT --> PB_13
+ * GND --> GND
+ Library and example created by Diego from Hotboards
+ Ported to mbed by Pedro from Hotboards
+ This example code is in the public domain.
+ */
+#include "mbed.h"
+#include "Hotboards_temp.h"
+
+Serial pc(USBTX, USBRX);
+//I2C bus instance for the library
+I2C device( I2C_SDA, I2C_SCL );
+// instance a sensor with address number 7 (none of the jumpers on the board is short circuited)
+// and also 0.5 celsius degrees resolution
+Hotboards_temp sensor( device, Sensor_7);
+
+
+
+int main( void )
+{
+
+ // init sensor
+ sensor.init();
+
+ while(1)
+ {
+ // read temperature in celcius degrees
+ float temp = sensor.read();
+ // convert celcius to fahrenheit
+ float tempF = sensor.CelsiusToFarenheit( temp);
+ // print it on the serial port
+ pc.printf("Temp sensor : %3.1f F\r\n",tempF);
+ // take the next value after 2 sec (just to not read too often)
+ wait(2);
+ }
+}