osd-contiki/examples/osd/arduino-wateralert/resource_water.c
2014-11-19 13:58:32 +01:00

43 lines
780 B
C

/**
* \file
* Resource for Arduino analog read
* \author
* Harald Pichler <harald@the-develop.net>
*
* \brief get/put pwm and period for LED pin
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "jsonparse.h"
/* Only coap 13 for now */
#include "er-coap-13.h"
#include "generic_resource.h"
#include "resource_water.h"
#include "Arduino.h"
size_t
water_v (const char *name, uint8_t is_json, char *buf, size_t bufsize)
{
water_voltage = analogRead(water_pin);
return snprintf
(buf, bufsize, "%d", water_voltage);
}
GENERIC_RESOURCE \
( water, METHOD_GET
, "water/v"
, Moisture voltage
, V
, NULL
, water_v
);
/*
* VI settings, see coding style
* ex:ts=8:et:sw=2
*/