DHT - Revision history

GooPie4o: /* Configuration */

2014-06-04T17:48:40Z

‎Configuration

2014-06-04T16:07:38Z

‎Control6

2014-06-04T16:04:33Z

2014-06-04T16:02:39Z

‎Configuration

2014-06-04T15:57:29Z

‎Connection

2013-11-14T07:20:39Z

‎Control6

2013-11-14T07:12:37Z

‎Configuration

2013-03-25T15:32:41Z

‎Control6

2013-03-05T15:14:03Z

‎Control6

2013-03-05T09:39:41Z

‎Control6

@@ Line 70: / Line 70: @@
    | |       (DHT11) Sensor type
    | |       (30) Time between polling in 1s steps
-   | |            Edit pin configuration/dht/dht_pinning.conf
+   | |            Edit pin configuration
    | |       [-] SNMP support
    | |       --- ECMD Support

@@ Line 104: / Line 104: @@
 == [[Control6|Control6]] ==
-Humidity and temperature can be accessed in [[Control6]] scripts through the DHT_HUMIDITY and DHT_TEMPERATURE keywords. The values returnd are fixed point integers including one decimal. The following example calculates and outputs the dew point on a LCD once every minute. '''To output floating point values the floating point printf version is required (Makefile: LDFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm).'''
+Humidity and temperature can be accessed in [[Control6]] scripts through the DHT_HUMIDITY ''sensor number'' and DHT_TEMPERATURE ''sensor number'' keywords. The values returnd are fixed point integers including one decimal. The following example calculates and outputs the dew point on a LCD once every minute. '''To output floating point values the floating point printf version is required (Makefile: LDFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm).'''
 <source lang="text">
@@ Line 118: / Line 118: @@
    float a = 17.271;
    float b = 237.7;
-   float temperatur = (a * DHT_TEMPERATURE) / (b + DHT_TEMPERATURE) + log(DHT_HUMIDITY/100);
+   float temperatur = (a * DHT_TEMPERATURE 0) / (b + DHT_TEMPERATURE 0) + log(DHT_HUMIDITY 0 /100);
    float taupunkt = (b * temperatur) / (a - temperatur);

@@ Line 3: / Line 3: @@
 |NAME=DHT
 |MENUCONFIG={{I/O}}->Humidity & temperature sensors->DHT 11/22
-|STATUS={{Experimental}}
+|STATUS={{Stable}}
 |PINNING=yes
 |ECMD={{has_ecmd}}

@@ Line 68: / Line 68: @@
    ...
    [*] DHT 11/22  --->
-   | |    (DHT11) Sensor type
+   | |       (DHT11) Sensor type
-   | |    (30) Time between polling in 1s steps
+   | |       (30) Time between polling in 1s steps
-   | |    --- Debugging Flags
+   | |            Edit pin configuration/dht/dht_pinning.conf
-   | |    [ ] DHT
+  | |       [-] SNMP support
 == [[ECMD]] ==

@@ Line 54: / Line 54: @@
 and the data pin, to act as a medium-strength pull up on the data line.
-The data out can be connected to any port pin of the ATmega, i.e. PA0 as listed in the pinning example:
+The data out can be connected to any port pin of the ATmega. Each sensor requires its own port pin for data input.
 == Configuration ==

@@ Line 86: / Line 86: @@
 <source lang="text">
 #include <math.h>
 CONTROL_START
@@ Line 100: / Line 102: @@
    hd44780_clear();
    hd44780_home();
-   hd44780_printf_P("Taupunkt: %f", taupunkt);
+   fprintf_P(&lcd, PSTR("Taupunkt: %f"), taupunkt);
 END
 THREAD_END(read_dht)

@@ Line 92: / Line 92: @@
 THREAD(read_dht)
-ON ONCE CLOCK_MIN == 0 DO
+ON ONCE CLOCK_SEC == 0 DO
    float a = 17.271;
    float b = 237.7;