Jodie Perry
bjorken?
Revision 0:1f0c0e4be56d, committed 2016-11-02
- Comitter:
- co657_jnp8
- Date:
- Wed Nov 02 16:30:35 2016 +0000
- Commit message:
- Initial commit;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/IOT_A4.cpp Wed Nov 02 16:30:35 2016 +0000
@@ -0,0 +1,35 @@
+/*
+ * (C) The University of Kent and Simon Cooksey 2015.
+ */
+
+#include "mbed.h"
+
+#include "dht22.h"
+
+Serial host(USBTX, USBRX);
+DHT22 dht22(PTB18);
+
+
+int main()
+{
+ host.baud(38400);
+ DHT22_data_t dht22_data;
+ host.printf("\r\n\r\nhello world\r\n");
+ while (true) {
+ dht22.read(&dht22_data);
+
+ float temperature = dht22_data.temp / 10.0f;
+ float humidity = dht22_data.humidity / 10.0f;
+
+ int check = (dht22_data.humidity/10) + (dht22_data.humidity%10) + (dht22_data.temp/10) + (dht22_data.temp%10);
+
+ //host.lock ();
+// host.printf("Temperature: %2.2f Humidity: %2.2f%%\r\n", temperature, humidity);//, dht22_data.checksum, 0xff & check);
+ host.printf("Temperature: %d (%2.2f) Humidity: %d (%2.2f)\r\n", dht22_data.temp, temperature, dht22_data.humidity, humidity);//, dht22_data.checksum, 0xff & check);
+ //host.unlock ();
+
+// host.printf("0x%04X\t\t0x%04X\t\t0x%02X\r\n", 0xFFFF & dht22_data.temp, 0xFFFF & dht22_data.humidity, 0xFF & dht22_data.checksum);
+
+ wait_ms(1000);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lib_dht22.lib Wed Nov 02 16:30:35 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/co657_jnp8/code/lib_dht22/#02cbaab7c6cd
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Nov 02 16:30:35 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9bcdf88f62b0 \ No newline at end of file