Created
July 29, 2020 10:12
-
-
Save jlengrand/c22920cedeab3ec0600dd1552237972d to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <stdint.h> | |
#include <unistd.h> | |
#include <jni.h> | |
#include "../../../target/headers/nl_lengrand_cellar_Dht11Driver.h" | |
#include "adafruit/Raspberry_Pi_2/pi_2_dht_read.h" | |
JNIEXPORT jfloatArray JNICALL Java_nl_lengrand_cellar_Dht11Driver_getTemperatureAndHumidity(JNIEnv *env, jobject thisObj){ | |
float humidity = 0, temperature = 0; | |
int sensor = 11; int pin = 4; | |
pi_2_dht_read(sensor, pin, &humidity, &temperature); | |
jfloat* values = (jfloat *) malloc(2*sizeof(jfloat)); | |
values[0] = temperature; | |
values[1] = humidity; | |
jfloatArray outJNIArray = (*env)->NewFloatArray(env, 2); | |
if (NULL == outJNIArray) return NULL; | |
(*env)->SetFloatArrayRegion(env, outJNIArray, 0, 2, (const jfloat*)values); | |
return outJNIArray; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment