Ro Led
/
Nucleo_DHT11_Sensor_Example
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Fork of
DHT11_with_Nucleo
by 
Adatgy2014
Revision 3:6228ab73d420, committed 2015-01-06
- Comitter:
- kaliczp
- Date:
- Tue Jan 06 00:10:33 2015 +0000
- Parent:
- 2:4469aa7f4995
- Child:
- 4:62b680fac6ed
- Commit message:
- Make a function to initialize DHT11
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Jan 06 00:01:51 2015 +0000
+++ b/main.cpp Tue Jan 06 00:10:33 2015 +0000
@@ -4,17 +4,22 @@
DigitalIn mybutton(USER_BUTTON); // Activate button
DigitalInOut data_pin(A0); // Activate digital in
+// Function to initialize DHT11
+void dht_read(void) {
+ data_pin.output(); // Set A0 as output
+ // Initialize measurement > 18 ms low
+ data_pin = 0;
+ wait_ms(20);
+ // After high and release the pin switch input mode
+ data_pin = 1;
+ data_pin.input();
+}
+
int main() {
while(1) {
if (mybutton == 0) { // Button is pressed
myled = 1; // LED is ON
- data_pin.output(); // Set A0 as output
- // Initialize measurement > 18 ms low
- data_pin = 0;
- wait_ms(20);
- // After high and release the pin switch input mode
- data_pin = 1;
- data_pin.input();
+ dht_read(); // Call the function
wait_ms(200); // Wait 0.2 sec till continue.
} else {
myled = 0; // LED is OFF