Ksenia Kondrashova / Mbed 2 deprecated HYT_example

Hello World program for HYT temp & humidity sensor

Dependencies:   HYT mbed

Hello Word program for HYT temp & humidity sensor library. MCU perform polling and then sends data to PC via serial interface once a second.

/media/uploads/Ksenia/8.png

Connection

Remember to use pull-up resisrors to communicate with sensor by I2C

/media/uploads/Ksenia/freshpaint-20-2016.09.16-10.37.03.png

Diff: main.cpp

Revision:
0:cd8ba9e5f346
diff -r 000000000000 -r cd8ba9e5f346 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Sep 14 15:54:13 2016 +0000
@@ -0,0 +1,34 @@
+#include "mbed.h"
+#include "HYT.h"
+
+Serial              pc(USBTX, USBRX);
+Ticker              timeKeeping;
+// for SLSTK3400A board
+HYT                 SENSOR (PD6, PD7); // sda, scl
+// for WIZwiki-W7500P board
+//HYT               SENSOR (D14, D15); // sda, scl
+// for ATSAMD21-XPRO board
+//HYT               SENSOR (PA08, PA09); // sda, scl
+
+
+// HYT sensor polling cycle
+void dataUpdate(void)
+{
+    SENSOR.MRCommand();
+    wait_ms(100);
+    SENSOR.DFCommand();
+}
+
+void secondsCallback(void) {
+    pc.printf("Humidity level: %.1f\r\n%", SENSOR.humidity);
+    pc.printf("Temperature level: %.1f\r\n%", SENSOR.temperature);
+    pc.printf("-------------------------------\r\n%", SENSOR.temperature);
+}
+
+int main()
+{
+    timeKeeping.attach(&secondsCallback, 1.0f);
+    while(1) {
+        dataUpdate();
+    }
+}
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