/**************************************************************************** * apps/examples/sht3x/sht3x_main.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include #include /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * sht3x_main ****************************************************************************/ int main(int argc, FAR char *argv[]) { FAR struct sht3x_meas_data_s data; int fd; int ret; fd = open("/dev/temp0", O_RDWR); if (fd < 0) { printf("Failed to open /dev/temp0\n"); return -1; } ret = ioctl(fd, SNIOC_START, NULL); if (ret < 0) { printf("Error to run ioctl SNIOC_START\n"); return -1; } while (1) { printf("Converting...\n"); usleep(1000000); ret = ioctl(fd, SNIOC_READ_CONVERT_DATA, (unsigned long)((uintptr_t)&data)); printf("Temperature = %f\n", data.temperature); printf("Humidity = %f\n", data.humidity); } return 0; }