d208c224b0
The sensor family SHT10, SHT11 and SHT15 only differ in their accuracy (as in calibration, not as in resolution). Thus, the same driver can be used for all. The new driver name better reflects this fact.
113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
/*
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* Copyright (C) 2013 INRIA.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup sys_shell_commands
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* @{
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*
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* @file
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* @brief Provides shell commands to poll sht11 sensor
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*
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sht1x.h"
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#ifdef MODULE_SHT1X
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extern float sht1x_temperature_offset;
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int _get_humidity_handler(int argc, char **argv)
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{
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(void) argc;
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(void) argv;
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uint8_t success;
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sht1x_val_t sht1x_val;
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success = sht1x_read_sensor(&sht1x_val, HUMIDITY | TEMPERATURE);
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if (!success) {
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printf("Error reading SHT11\n");
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return 1;
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}
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else {
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printf("Relative humidity: %5.2f%% / Temperature compensated humidity; %5.2f%%\n",
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(double) sht1x_val.relhum, (double) sht1x_val.relhum_temp);
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return 0;
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}
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}
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int _get_temperature_handler(int argc, char **argv)
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{
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(void) argc;
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(void) argv;
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uint8_t success;
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sht1x_val_t sht1x_val;
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success = sht1x_read_sensor(&sht1x_val, TEMPERATURE);
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if (!success) {
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printf("Error reading SHT11\n");
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return 1;
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}
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else {
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printf("Temperature: %-6.2f°C\n", (double) sht1x_val.temperature);
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return 0;
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}
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}
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int _get_weather_handler(int argc, char **argv)
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{
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(void) argc;
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(void) argv;
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uint8_t success;
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sht1x_val_t sht1x_val;
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success = sht1x_read_sensor(&sht1x_val, HUMIDITY | TEMPERATURE);
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if (!success) {
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printf("Error reading SHT11\n");
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return 1;
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}
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else {
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printf("Relative humidity: %5.2f%% / Temperature compensated humidity; %5.2f%% ",
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(double) sht1x_val.relhum, (double) sht1x_val.relhum_temp);
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printf("Temperature: %-6.2f°C\n", (double) sht1x_val.temperature);
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return 0;
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}
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}
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int _set_offset_handler(int argc, char **argv)
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{
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if (argc != 2) {
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printf("Usage: %s <OFFSET>\n", argv[0]);
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return 1;
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}
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else {
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sht1x_temperature_offset = atoi(argv[1]);
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printf("Temperature offset set to %f\n", (double) sht1x_temperature_offset);
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return 0;
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}
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}
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#endif
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