expand to tree htu sensors

This commit is contained in:
Harald Pichler 2017-10-19 14:28:10 +02:00
parent 9355f678e3
commit e93083073c
7 changed files with 386 additions and 20 deletions

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@ -45,7 +45,7 @@
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_htu21dhum,
RESOURCE(res_dhtahum,
"title=\"Moisture status\";rt=\"Moisture\"",
res_get_handler,
NULL,

View file

@ -45,7 +45,7 @@
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_htu21dtemp,
RESOURCE(res_dhtatemp,
"title=\"Temperature status\";rt=\"Temperatur\"",
res_get_handler,
NULL,

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@ -0,0 +1,80 @@
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_dhtbhum,
"title=\"Moisture status\";rt=\"Moisture\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char dhtb_hum_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", dhtb_hum_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'moisture':%s}", dhtb_hum_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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@ -0,0 +1,79 @@
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_dhtbtemp,
"title=\"Temperature status\";rt=\"Temperatur\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char dhtb_temp_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", dhtb_temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", dhtb_temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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@ -0,0 +1,80 @@
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_dhtchum,
"title=\"Moisture status\";rt=\"Moisture\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char dhtc_hum_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", dhtc_hum_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'moisture':%s}", dhtc_hum_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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@ -0,0 +1,79 @@
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_dhtctemp,
"title=\"Temperature status\";rt=\"Temperatur\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char dhtc_temp_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", dhtc_temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", dhtc_temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

View file

@ -17,7 +17,9 @@ extern "C" {
#include "arduino-process.h"
#include "rest-engine.h"
extern resource_t res_htu21dtemp, res_htu21dhum, res_battery;
extern resource_t res_dhtatemp, res_dhtahum, res_battery;
extern resource_t res_dhtbtemp, res_dhtbhum;
extern resource_t res_dhtctemp, res_dhtchum;
#define LED_PIN 4
@ -30,13 +32,29 @@ extern resource_t res_htu21dtemp, res_htu21dhum, res_battery;
// Connect pin 2 of the sensor to whatever your DHTPIN is
// Connect pin 4 (on the right) of the sensor to GROUND
// Connect a 10K resistor from pin 2 (data) to pin 1 (power) o
#define DHTPIN 9 // what digital pin we're connected to
DHT dht(DHTPIN, DHTTYPE);
#define DHTPINA 9 // what digital pin we're connected to
DHT dhta(DHTPINA, DHTTYPE);
float dht_hum;
float dht_temp;
char dht_hum_s[8];
char dht_temp_s[8];
#define DHTPINB 8 // what digital pin we're connected to
DHT dhtb(DHTPINB, DHTTYPE);
#define DHTPINC 7 // what digital pin we're connected to
DHT dhtc(DHTPINC, DHTTYPE);
float dhta_hum;
float dhta_temp;
char dhta_hum_s[8];
char dhta_temp_s[8];
float dhtb_hum;
float dhtb_temp;
char dhtb_hum_s[8];
char dhtb_temp_s[8];
float dhtc_hum;
float dhtc_temp;
char dhtc_hum_s[8];
char dhtc_temp_s[8];
}
@ -47,12 +65,18 @@ void setup (void)
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, HIGH);
// DHT sensor
dht.begin();
dhta.begin();
dhtb.begin();
dhtc.begin();
// init coap resourcen
rest_init_engine ();
#pragma GCC diagnostic ignored "-Wwrite-strings"
rest_activate_resource (&res_htu21dtemp, "s/temp");
rest_activate_resource (&res_htu21dhum, "s/hum");
rest_activate_resource (&res_dhtatemp, "s/tempa");
rest_activate_resource (&res_dhtahum, "s/huma");
rest_activate_resource (&res_dhtbtemp, "s/tempb");
rest_activate_resource (&res_dhtbhum, "s/humb");
rest_activate_resource (&res_dhtctemp, "s/tempc");
rest_activate_resource (&res_dhtchum, "s/humc");
rest_activate_resource (&res_battery, "s/battery");
#pragma GCC diagnostic pop
mcu_sleep_set(128); // Power consumtion 278uA; average over 20 minutes
@ -64,20 +88,44 @@ void loop (void)
{
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
dht_hum = dht.readHumidity();
dhta_hum = dhta.readHumidity();
dhtb_hum = dhtb.readHumidity();
dhtc_hum = dhtc.readHumidity();
// Read temperature as Celsius (the default)
dht_temp = dht.readTemperature();
dhta_temp = dhta.readTemperature();
dhtb_temp = dhtb.readTemperature();
dhtc_temp = dhtc.readTemperature();
// Check if any reads failed and exit early (to try again).
if (isnan(dht_hum) || isnan(dht_temp)) {
printf("Failed to read from DHT sensor!\n");
if (isnan(dhta_hum) || isnan(dhta_temp)) {
printf("Failed to read from DHTa sensor!\n");
return;
}
if (isnan(dhtb_hum) || isnan(dhtb_temp)) {
printf("Failed to read from DHTb sensor!\n");
return;
}
if (isnan(dhtc_hum) || isnan(dhtc_temp)) {
printf("Failed to read from DHTc sensor!\n");
return;
}
dtostrf(dht_temp , 0, 2, dht_temp_s );
dtostrf(dht_hum , 0, 2, dht_hum_s );
dtostrf(dhta_temp , 0, 2, dhta_temp_s );
dtostrf(dhta_hum , 0, 2, dhta_hum_s );
dtostrf(dhtb_temp , 0, 2, dhtb_temp_s );
dtostrf(dhtb_hum , 0, 2, dhtb_hum_s );
dtostrf(dhtc_temp , 0, 2, dhtc_temp_s );
dtostrf(dhtc_hum , 0, 2, dhtc_hum_s );
// debug only
printf("Temp: '%s'",dht_temp_s);
printf("\t\tHum: '%s'\n",dht_hum_s);
printf("Tempa: '%s'",dhta_temp_s);
printf("\t\tHuma: '%s'\n",dhta_hum_s);
printf("Tempb: '%s'",dhtb_temp_s);
printf("\t\tHumb: '%s'\n",dhtb_hum_s);
printf("Tempc: '%s'",dhtc_temp_s);
printf("\t\tHumc: '%s'\n",dhtc_hum_s);
}