dev: add support of temp sensors, add support of 1w temp sensor

Signed-off-by: Adam Wujek <adam.wujek@creotech.pl>

dev: add support of temp sensors, add support of 1w temp sensor
Signed-off-by: Adam Wujek <adam.wujek@creotech.pl>
3fcc050a · Adam Wujek · 4a9bb60a · 3fcc050a · 3fcc050a · 3fcc050a
Commit 3fcc050a authored May 19, 2021 by Adam Wujek
26 changed files
--- a/Kconfig
+++ b/Kconfig
@@ -143,11 +143,6 @@ config WRPC_PPSI
 	boolean
 	default y

-config W1
-	depends on EMBEDDED_NODE
-	boolean
-	default y
-
 config LATENCY_ETHTYPE
 	int
 	default 291
@@ -427,6 +422,36 @@ config CMD_NETCONSOLE
 	help
 	  Include command to configure netconsole

+config TEMP_SENSORS
+	depends on WR_NODE
+	boolean "Add suport for temperature sensors"
+	default n
+	help
+	  Adds temp command and periodic task to read temperatures.
+	  Temperatures are can be reported by SNMP, syslog or wrpc-dump.
+	  Please note that temperature sensor type has to be selected as well
+	  (like w1)
+
+config W1
+	depends on EMBEDDED_NODE
+	boolean "Add support for W1 bus"
+	default n
+	help
+	  Add support for W1 bus
+
+config W1_TEMP
+	depends on W1 && TEMP_SENSORS
+	boolean "Add support for W1 temperature sensor"
+	default n
+	help
+	  Add support for temperature sensors on W1 bus. Adds w1 command.
+
+config W1_EEPROM
+	depends on W1
+	boolean "Add support for W1 eeprom"
+	default n
+	help
+	  Add support for eeprom on W1 bus. Adds w1r and w1w commands.
 #
 # This is a set of configuration options that should not be changed by
 # normal users. If the "developer" menu is used, the binary is tainted.
@@ -688,7 +713,7 @@ config SNMP_VERBOSE
 	  This enables some more diagnostic messages. Normally off.

 config TEMP_FAKE
-	depends on DEVELOPER
+	depends on DEVELOPER && TEMP_SENSORS
 	boolean "Offer an array of 3 fake temperatures, for testing"
 	help
 	  The option adds also a "faketemp" command, used to set

--- a/configs/devel_build_test_defconfig
+++ b/configs/devel_build_test_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=100
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=4455
 CONFIG_LATENCY_SYSLOG=y
 CONFIG_IP=y
@@ -56,6 +55,10 @@ CONFIG_CMD_PPS=y
 CONFIG_CMD_SFP_INFO=y
 CONFIG_SFP_DOM=y
 CONFIG_CMD_LEAPSEC=y
+CONFIG_TEMP_SENSORS=y
+CONFIG_W1=y
+CONFIG_W1_TEMP=y
+CONFIG_W1_EEPROM=y
 # CONFIG_TRACE_MSGS is not set
 CONFIG_TRACE_ALL=0
 CONFIG_TRACE_MAIN=0

--- a/configs/gsi_defconfig
+++ b/configs/gsi_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_LATENCY_SYSLOG=y
 CONFIG_IP=y

--- a/configs/gsi_pdelay_defconfig
+++ b/configs/gsi_pdelay_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_LATENCY_SYSLOG=y
 CONFIG_IP=y

--- a/configs/host_process_config
+++ b/configs/host_process_config
@@ -23,7 +23,6 @@ CONFIG_EMBEDDED_NODE=y
 CONFIG_STACKSIZE=10240
 CONFIG_PPSI=y
 CONFIG_UART=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_LATENCY_SYSLOG=y
 CONFIG_P2P=y

--- a/configs/spec_defconfig
+++ b/configs/spec_defconfig
@@ -26,7 +26,6 @@ CONFIG_VLAN_FOR_CLASS6=20
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_IP=y
 # CONFIG_CMD_CONFIG is not set

--- a/configs/spec_pdelay_defconfig
+++ b/configs/spec_pdelay_defconfig
@@ -26,7 +26,6 @@ CONFIG_VLAN_FOR_CLASS6=20
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_IP=y
 # CONFIG_CMD_CONFIG is not set

--- a/configs/spec_riscv_defconfig
+++ b/configs/spec_riscv_defconfig
@@ -26,7 +26,6 @@ CONFIG_VLAN_FOR_CLASS6=20
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_IP=y
 # CONFIG_CMD_CONFIG is not set

--- a/configs/target_afcz_defconfig
+++ b/configs/target_afcz_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 # CONFIG_IP is not set
 # CONFIG_CMD_CONFIG is not set

--- a/configs/target_ertm14_defconfig
+++ b/configs/target_ertm14_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 CONFIG_IPMI_CONSOLE=y
 # CONFIG_IP is not set

--- a/configs/target_generic_phy_16bit_defconfig
+++ b/configs/target_generic_phy_16bit_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 # CONFIG_IP is not set
 # CONFIG_CMD_CONFIG is not set

--- a/configs/target_pxie_fmc_defconfig
+++ b/configs/target_pxie_fmc_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 # CONFIG_IP is not set
 # CONFIG_CMD_CONFIG is not set

--- a/configs/target_sis8300ku_defconfig
+++ b/configs/target_sis8300ku_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 # CONFIG_IP is not set
 # CONFIG_CMD_CONFIG is not set

--- a/configs/wrnic_defconfig
+++ b/configs/wrnic_defconfig
@@ -26,7 +26,6 @@ CONFIG_VLAN_FOR_CLASS6=20
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 # CONFIG_IP is not set
 # CONFIG_CMD_CONFIG is not set

--- a/configs/wrpc_sim_defconfig
+++ b/configs/wrpc_sim_defconfig
@@ -28,7 +28,6 @@ CONFIG_VLAN_FOR_CLASS6=0
 # CONFIG_HOST_PROCESS is not set
 CONFIG_EMBEDDED_NODE=y
 CONFIG_WRPC_PPSI=y
-CONFIG_W1=y
 CONFIG_LATENCY_ETHTYPE=291
 # CONFIG_IP is not set
 # CONFIG_CMD_CONFIG is not set

--- a/dev/dev.mk
+++ b/dev/dev.mk
@@ -22,7 +22,6 @@ obj-$(CONFIG_EMBEDDED_NODE) += \
 	dev/netif.o

 obj-$(CONFIG_WR_NODE) += \
-	dev/temperature.o \
 	dev/pps_gen.o

 obj-$(CONFIG_TARGET_WR_SWITCH) += dev/timer-wrs.o dev/gpio.o
@@ -30,9 +29,10 @@ obj-$(CONFIG_PUTS_SYSLOG) += dev/puts-syslog.o

 obj-$(CONFIG_DAC_LOG) += dev/dac_log.o
 obj-$(CONFIG_W1) +=		dev/w1.o	dev/w1-hw.o	dev/w1-shell.o
-obj-$(CONFIG_W1) +=		dev/w1-temp.o
-obj-$(CONFIG_W1) +=		dev/temp-w1.o
+obj-$(CONFIG_W1_EEPROM) +=	dev/w1-eeprom.o
+obj-$(CONFIG_W1_TEMP) +=	dev/temp-w1.o dev/w1-temp.o

+obj-$(CONFIG_TEMP_SENSORS) += dev/temperature.o
 obj-$(CONFIG_TEMP_FAKE) += dev/temp-fake.o

 obj-$(CONFIG_ETHERBONE) += dev/etherbone.o

--- a/dev/temp-fake.c
+++ b/dev/temp-fake.c
@@ -9,26 +9,21 @@
 #include <wrc.h>
 #include <temperature.h>
 #include <shell.h>
+#include "dev/temp-fake.h"

-static struct wrc_onetemp temp_fake_data[] = {
+
+static struct wrc_temp_sensor temp_fake_data[] = {
 	{"roof", TEMP_INVALID},
 	{"core", TEMP_INVALID},
 	{"case", TEMP_INVALID},
 	{NULL,}
 };

-static int temp_fake_refresh(struct wrc_temp *t)
+static int temp_fake_refresh(struct wrc_temp_group *t)
 {
 	/* nothing to do */
 	return 0;
 }
-#if 0
-/* not static at this point, because it's the only one */
-DEFINE_TEMPERATURE(w1) = {
-	.read = temp_fake_refresh,
-	.t = temp_fake_data,
-};
-#endif

 static int cmd_faketemp(const char *args[])
 {
@@ -54,6 +49,15 @@ static int cmd_faketemp(const char *args[])
 	return 0;
 }

+void temp_faketemp_init(void)
+{
+	struct wrc_temp_group tbr;
+
+	tbr.used = 1;
+	tbr.read = temp_fake_refresh;
+	tbr.t = temp_fake_data;
+	wrc_temp_register(&tbr);
+}

 DEFINE_WRC_COMMAND(faketemp) = {
 	.name = "faketemp",

--- a/dev/temp-w1.c
+++ b/dev/temp-w1.c
@@ -11,7 +11,7 @@
 #include <dev/w1.h>
 #include <temperature.h>

-static struct wrc_onetemp temp_w1_data[] = {
+static struct wrc_temp_sensor temp_w1_data[] = {
 	{"pcb", TEMP_INVALID},
 	{NULL,}
 };
@@ -20,9 +20,8 @@ static unsigned long nextt;
 static int niterations;

 /* Returns 1 if it did something */
-static int temp_w1_refresh(struct wrc_temp *t)
+static int temp_w1_refresh(struct wrc_temp_group *t)
 {
-
 	static int done;

 	if (!done) {
@@ -37,6 +36,7 @@ static int temp_w1_refresh(struct wrc_temp *t)

 	if (time_before(timer_get_tics(), nextt))
 		return 0;
+
 	nextt += intervals[phase];
 	niterations++;

@@ -52,11 +52,12 @@ static int temp_w1_refresh(struct wrc_temp *t)
 	return 1;
 }

-#if 0
-/* not static at this point, because it's the only one */
-DEFINE_TEMPERATURE(w1) = {
-	.read = temp_w1_refresh,
-	.t = temp_w1_data,
-};
+void temp_w1_init(void) 
+{
+	struct wrc_temp_group tbr;

-#endif
\ No newline at end of file
+	tbr.used = 1;
+	tbr.read = temp_w1_refresh;
+	tbr.t = temp_w1_data;
+	wrc_temp_register(&tbr);
+}
--- a/dev/temperature.c
+++ b/dev/temperature.c
@@ -13,14 +13,15 @@
 #include <shell.h>


+struct wrc_temp_group temp_sensors[WRC_MAX_TEMPERATURES];
 /*
 * Library functions
 */
 uint32_t wrc_temp_get(char *name)
 {
 #if 0
-	struct wrc_temp *ta;
-	struct wrc_onetemp *wt;
+	struct wrc_temp_group *ta;
+	struct wrc_temp_sensor *wt;

 	for (ta = __temp_begin; ta < __temp_end; ta++)
 		for (wt = ta->t; wt->name; wt++) {
@@ -31,37 +32,38 @@ uint32_t wrc_temp_get(char *name)
 	return TEMP_INVALID;
 }

-struct wrc_onetemp *wrc_temp_getnext(struct wrc_onetemp *pt)
+struct wrc_temp_sensor *wrc_temp_getnext(struct wrc_temp_sensor *pt)
 {
-#if 0
-	struct wrc_temp *ta;
-	struct wrc_onetemp *wt;
+	struct wrc_temp_sensor *wt;
+	struct wrc_temp_group *tmp;
+	int i;

 	if (!pt) { /* first one */
-		if (__temp_begin != __temp_end)
-			return __temp_begin->t;
+		for (i = 0; i < WRC_MAX_TEMPERATURES; i++) {
+			return temp_sensors[i].t;
+		}
 	}
 	if (pt[1].name)
 		return pt + 1;
 	/* get next array, if any */
-	for (ta = __temp_begin; ta < __temp_end; ta++) {
-		for (wt = ta->t; wt->name; wt++) {
+	for (i = 0; i < WRC_MAX_TEMPERATURES; i++) {
+		tmp = &temp_sensors[i];
+
+		for (wt = tmp->t; wt->name; wt++) {
 			if (wt == pt) {
-				ta++;
-				if (ta >= __temp_end)
+				tmp++;
+				if (!tmp->t->name)
 					return NULL;
-				return ta->t;
+				return tmp->t;
 			}
 		}
 	}
-#endif
-
 	return NULL;
 }

 extern int wrc_temp_format(char *buffer, int len)
 {
-	struct wrc_onetemp *p;
+	struct wrc_temp_sensor *p;
 	int l = 0, i = 0;
 	int32_t t;

@@ -86,30 +88,43 @@ extern int wrc_temp_format(char *buffer, int len)
 	return l;
 }

-/*
- * The task
- */
-void wrc_temp_init(void)
+int wrc_temp_register(struct wrc_temp_group *new_temp_sensor)
 {
-#if 0
-	struct wrc_temp *ta;
+	struct wrc_temp_group *tmp;
+	int i;

-	/* Call all actors, so they can init themselves (using ->data) */
-	for (ta = __temp_begin; ta < __temp_end; ta++)
-		ta->read(ta);
-#endif
+	for (i = 0; i < WRC_MAX_TEMPERATURES; i++) {
+		tmp = &temp_sensors[i];
+		if (tmp->used) {
+			/* slot used in the list */
+			continue;
+		}
+		pp_printf("register temp sensor at %d\n", i);
+		*tmp = *new_temp_sensor;
+
+		return 1;
+	}
+
+	return 0;
 }

+/*
+ * The task
+ */
 int wrc_temp_refresh(void)
 {
-#if 0
-	struct wrc_temp *ta;
+	struct wrc_temp_group *tmp;
+	int i;
 	int ret = 0;

-	for (ta = __temp_begin; ta < __temp_end; ta++)
-		ret += ta->read(ta);
+	for (i = 0; i < WRC_MAX_TEMPERATURES; i++) {
+		tmp = &temp_sensors[i];
+		if (tmp->used) {
+			ret += tmp->read(tmp);
+		}
+	}
+
 	return (ret > 0);
-#endif
 }

 /*
@@ -130,4 +145,3 @@ DEFINE_WRC_COMMAND(temp) = {
 	.name = "temp",
 	.exec = cmd_temp,
 };
-
--- a/include/dev/onewire.h
+++ b/include/dev/onewire.h
@@ -3,8 +3,10 @@
 *
 * Released according to the GNU GPL, version 2 or any later version.
 */
-#ifndef PERSISTENT_MAC_H
-#define PERSISTENT_MAC_H
+#ifndef __ONEWIRE_H
+#define __ONEWIRE_H
+
+#define ONEWIRE_PORT 0

 #define MAX_DEV1WIRE 8

@@ -16,4 +18,4 @@ int16_t own_readtemp(uint8_t portnum, int16_t * temp, int16_t * t_frac);
 int get_persistent_mac(uint8_t portnum, uint8_t * mac);
 int set_persistent_mac(uint8_t portnum, uint8_t * mac);

-#endif
+#endif /* __ONEWIRE_H */
--- a/include/dev/temp-fake.h
+++ b/include/dev/temp-fake.h
+/*
+ * This work is part of the White Rabbit project
+ *
+ * Released according to the GNU GPL, version 2 or any later version.
+ */
+#ifndef __FAKETEMP_H
+#define __FAKETEMP_H
+
+#ifdef CONFIG_TEMP_FAKE
+#define HAS_TEMP_FAKE 1
+#else
+#define HAS_TEMP_FAKE 0
+#endif
+
+void temp_faketemp_init(void);
+
+#endif /* __FAKETEMP_H */
--- a/include/dev/temp-w1.h
+++ b/include/dev/temp-w1.h
+/*
+ * This work is part of the White Rabbit project
+ *
+ * Released according to the GNU GPL, version 2 or any later version.
+ */
+#ifndef __W1TEMP_H
+#define __W1TEMP_H
+
+#ifdef CONFIG_W1_TEMP
+#define HAS_W1_TEMP 1
+#else
+#define HAS_W1_TEMP 0
+#endif
+
+void temp_w1_init(void);
+
+#endif /* __W1TEMP_H */
--- a/include/dev/w1.h
+++ b/include/dev/w1.h
@@ -7,7 +7,20 @@

 #include <stdint.h>

+#ifdef CONFIG_W1
+#define HAS_W1 1
+#else
+#define HAS_W1 0
+#endif
+
+#ifdef CONFIG_W1_EEPROM
+#define HAS_W1_EEPROM 1
+#else
+#define HAS_W1_EEPROM 0
+#endif
+
 #define W1_MAX_DEVICES 8 /* we have no alloc */
+#define ONEWIRE_PORT 0

 struct w1_dev {
 	struct w1_bus *bus;

--- a/include/temperature.h
+++ b/include/temperature.h
@@ -11,27 +11,32 @@

 #include <stdint.h>

+#ifdef CONFIG_TEMP_SENSORS
+#define HAS_TEMP_SENSORS 1
+#else
+#define HAS_TEMP_SENSORS 0
+#endif
+
 #define WRC_MAX_TEMPERATURES 4

-struct wrc_onetemp {
+struct wrc_temp_sensor {
 	char *name;
 	int32_t t;  /* fixed point, 16.16 (signed!) */
 };

 #define TEMP_INVALID (0x8000 << 16)

-struct wrc_temp {
+struct wrc_temp_group {
 	int used;
-	int (*read)(struct wrc_temp *);
-	void *data;
-	struct wrc_onetemp *t; /* zero-terminated */
+	int (*read)(struct wrc_temp_group *);
+	struct wrc_temp_sensor *t; /* zero-terminated */
 };

 /* lib functions  */
 extern uint32_t wrc_temp_get(char *name);
-struct wrc_onetemp *wrc_temp_getnext(struct wrc_onetemp *);
+struct wrc_temp_sensor *wrc_temp_getnext(struct wrc_temp_sensor *);
 extern int wrc_temp_format(char *buffer, int len);
-void wrc_temp_init(void);
 int wrc_temp_refresh(void);
+int wrc_temp_register(struct wrc_temp_group *new_temp_sensor);

 #endif /* __TEMPERATURE_H__ */
--- a/shell/shell.c
+++ b/shell/shell.c
@@ -14,8 +14,12 @@
 #include <errno.h>

 #include <wrc.h>
+#include "temperature.h"
 #include "dev/console.h"
 #include "dev/syscon.h"
+#include "dev/temp-fake.h"
+#include "dev/temp-w1.h"
+#include "dev/w1.h"

 #include "shell.h"
 #include "storage.h"
@@ -399,6 +403,8 @@ void shell_register_commands(void)
 	if (HAS_CMD_CONFIG)
 		REGISTER_WRC_COMMAND(config);
 	REGISTER_WRC_COMMAND(diag);
+	if (HAS_TEMP_FAKE)
+		REGISTER_WRC_COMMAND(faketemp);
 	REGISTER_WRC_COMMAND(gui);
 	REGISTER_WRC_COMMAND(help);
 	REGISTER_WRC_COMMAND(init);
@@ -421,9 +427,17 @@ void shell_register_commands(void)
 	REGISTER_WRC_COMMAND(sdb);
 	REGISTER_WRC_COMMAND(sfp);
 	REGISTER_WRC_COMMAND(stat);
+	if (HAS_TEMP_SENSORS)
+		REGISTER_WRC_COMMAND(temp);
 	REGISTER_WRC_COMMAND(time);
 	REGISTER_WRC_COMMAND(ver);
 	REGISTER_WRC_COMMAND(verbose);
 	if (HAS_VLANS)
 		REGISTER_WRC_COMMAND(vlan);
+	if (HAS_W1_TEMP)
+		REGISTER_WRC_COMMAND(w1);
+	if (HAS_W1_EEPROM) {
+		REGISTER_WRC_COMMAND(w1r);
+		REGISTER_WRC_COMMAND(w1w);
+	}
 }
--- a/wrc_main.c
+++ b/wrc_main.c
@@ -40,6 +40,9 @@
 #include <system_checks.h>
 #include <ppsi/ppsi.h>
 #include "wrc_global.h"
+#include "dev/w1.h"
+#include "dev/temp-fake.h"
+#include "dev/temp-w1.h"

 #include "board.h"

@@ -120,6 +123,20 @@ static void wrc_initialize(void)
 	minic_init();
 	shw_pps_gen_init();

+	if (HAS_W1) {
+		/* initialize w1 bus */
+		wrpc_w1_init();
+		wrpc_w1_bus.detail = ONEWIRE_PORT;
+		w1_scan_bus(&wrpc_w1_bus);
+
+		/* initialize w1 temp sensor */
+		if (HAS_TEMP_SENSORS && HAS_W1_TEMP)
+			temp_w1_init();
+	}
+
+	if (HAS_TEMP_SENSORS && HAS_TEMP_FAKE)
+		temp_faketemp_init();
+
 	wrc_board_init();

 	storage_load_calibration();
@@ -231,7 +248,8 @@ static void create_tasks(void)
 	wrc_task_create( "shell+gui", shell_boot_script, ui_update );
 	wrc_task_create( "spll-bh", NULL, spll_update );

-	//wrc_task_create( "temperature", wrc_temp_init, wrc_temp_refresh );
+	if (HAS_TEMP_SENSORS)
+		wrc_task_create("temperature", NULL, wrc_temp_refresh);

 	t = wrc_task_create( "net-bh", NULL, net_bh_poll );
 	wrc_task_set_enable( t, is_link_up );