Jodie Perry / Mbed 2 deprecated IOT_A4_V1

bjorken?

Dependencies:   lib_dht22 mbed

IOT_A4.cpp@0:1f0c0e4be56d, 2016-11-02 (annotated)

Committer:
co657_jnp8
Date:
Wed Nov 02 16:30:35 2016 +0000
Revision:
0:1f0c0e4be56d
Initial commit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
co657_jnp8 0:1f0c0e4be56d 1 /*
co657_jnp8 0:1f0c0e4be56d 2 * (C) The University of Kent and Simon Cooksey 2015.
co657_jnp8 0:1f0c0e4be56d 3 */
co657_jnp8 0:1f0c0e4be56d 4
co657_jnp8 0:1f0c0e4be56d 5 #include "mbed.h"
co657_jnp8 0:1f0c0e4be56d 6
co657_jnp8 0:1f0c0e4be56d 7 #include "dht22.h"
co657_jnp8 0:1f0c0e4be56d 8
co657_jnp8 0:1f0c0e4be56d 9 Serial host(USBTX, USBRX);
co657_jnp8 0:1f0c0e4be56d 10 DHT22 dht22(PTB18);
co657_jnp8 0:1f0c0e4be56d 11
co657_jnp8 0:1f0c0e4be56d 12
co657_jnp8 0:1f0c0e4be56d 13 int main()
co657_jnp8 0:1f0c0e4be56d 14 {
co657_jnp8 0:1f0c0e4be56d 15 host.baud(38400);
co657_jnp8 0:1f0c0e4be56d 16 DHT22_data_t dht22_data;
co657_jnp8 0:1f0c0e4be56d 17 host.printf("\r\n\r\nhello world\r\n");
co657_jnp8 0:1f0c0e4be56d 18 while (true) {
co657_jnp8 0:1f0c0e4be56d 19 dht22.read(&dht22_data);
co657_jnp8 0:1f0c0e4be56d 20
co657_jnp8 0:1f0c0e4be56d 21 float temperature = dht22_data.temp / 10.0f;
co657_jnp8 0:1f0c0e4be56d 22 float humidity = dht22_data.humidity / 10.0f;
co657_jnp8 0:1f0c0e4be56d 23
co657_jnp8 0:1f0c0e4be56d 24 int check = (dht22_data.humidity/10) + (dht22_data.humidity%10) + (dht22_data.temp/10) + (dht22_data.temp%10);
co657_jnp8 0:1f0c0e4be56d 25
co657_jnp8 0:1f0c0e4be56d 26 //host.lock ();
co657_jnp8 0:1f0c0e4be56d 27 // host.printf("Temperature: %2.2f Humidity: %2.2f%%\r\n", temperature, humidity);//, dht22_data.checksum, 0xff & check);
co657_jnp8 0:1f0c0e4be56d 28 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);
co657_jnp8 0:1f0c0e4be56d 29 //host.unlock ();
co657_jnp8 0:1f0c0e4be56d 30
co657_jnp8 0:1f0c0e4be56d 31 // host.printf("0x%04X\t\t0x%04X\t\t0x%02X\r\n", 0xFFFF & dht22_data.temp, 0xFFFF & dht22_data.humidity, 0xFF & dht22_data.checksum);
co657_jnp8 0:1f0c0e4be56d 32
co657_jnp8 0:1f0c0e4be56d 33 wait_ms(1000);
co657_jnp8 0:1f0c0e4be56d 34 }
co657_jnp8 0:1f0c0e4be56d 35 }