This is a very basic (hopefully easily understandeable) program to send the data bits of a DHT11 temperature and humidity sensor through Nucleo UART. It is a simple step-by-step guide to build the program.

Dependencies:   mbed

Revision:
11:1379308ecace
Parent:
10:774c12ebf0f2
--- a/main.cpp	Wed Jan 14 13:11:36 2015 +0000
+++ b/main.cpp	Tue Jan 20 02:21:22 2015 +0000
@@ -48,11 +48,11 @@
             myled = 1; // LED is ON
             dht_read(); // Call the function
             // Send result through UART result
-            pc.printf("%X", (adat  & 0x000000ffff000000) >> 24); // Humidity
+            pc.printf("%d", (adat  & 0x000000ff00000000) >> 32); // Humidity
             pc.printf("\n\r"); // Send a new line and carriage return.
-            pc.printf("%X", (adat & 0x0000000000ffff00) >> 8 ); // Temperature
+            pc.printf("%d", (adat & 0x0000000000ff0000) >> 16 ); // Temperature
             pc.printf("\n\r");
-            pc.printf("%X", adat & 0x00000000000000ff); // Checksum.
+            pc.printf("%d", adat & 0x00000000000000ff); // Checksum.
             pc.printf("\n\r");
             wait_ms(200); // Wait 0.2 sec till continue.
         } else {