diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2009-11-24 08:28:54 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2009-11-24 08:28:54 +0000 |
| commit | 0ce7d5388d0fde470b73d876f70a762eda87cc2a (patch) | |
| tree | d3a1b42af181fcf59a4205b672adb9a7af73d7b6 /sys/dev/usb/uthum.c | |
| parent | a3193e51a579dbe63f8307c94788996478dc7c80 (diff) | |
Toggle SENSOR_FINVALID based on sensor data validity
Diffstat (limited to 'sys/dev/usb/uthum.c')
| -rw-r--r-- | sys/dev/usb/uthum.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sys/dev/usb/uthum.c b/sys/dev/usb/uthum.c index 0a63b861f71..f142becfd72 100644 --- a/sys/dev/usb/uthum.c +++ b/sys/dev/usb/uthum.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uthum.c,v 1.1 2009/11/23 19:35:54 yuo Exp $ */ +/* $OpenBSD: uthum.c,v 1.2 2009/11/24 08:28:53 deraadt Exp $ */ /* * Copyright (c) 2009 Yojiro UO <yuo@nui.org> @@ -182,17 +182,20 @@ uthum_attach(struct device *parent, struct device *self, void *aux) strlcpy(sc->sc_sensordev.xname, sc->sc_dev.dv_xname, sizeof(sc->sc_sensordev.xname)); - switch (sc->sc_sensortype){ + switch (sc->sc_sensortype) { case UTHUM_TYPE_SHT1x: strlcpy(sc->sc_sensor[UTHUM_TEMP].desc, "temp", sizeof(sc->sc_sensor[UTHUM_TEMP].desc)); sc->sc_sensor[UTHUM_TEMP].type = SENSOR_TEMP; + sc->sc_sensor[UTHUM_TEMP].status = SENSOR_S_UNKNOWN; + sc->sc_sensor[UTHUM_TEMP].flags = SENSOR_FINVALID; strlcpy(sc->sc_sensor[UTHUM_HUMIDITY].desc, "humidity", sizeof(sc->sc_sensor[UTHUM_HUMIDITY].desc)); sc->sc_sensor[UTHUM_HUMIDITY].type = SENSOR_PERCENT; sc->sc_sensor[UTHUM_HUMIDITY].value = 0; sc->sc_sensor[UTHUM_HUMIDITY].status = SENSOR_S_UNKNOWN; + sc->sc_sensor[UTHUM_HUMIDITY].flags = SENSOR_FINVALID; sensor_attach(&sc->sc_sensordev, &sc->sc_sensor[UTHUM_TEMP]); sensor_attach(&sc->sc_sensordev, &sc->sc_sensor[UTHUM_HUMIDITY]); @@ -360,10 +363,12 @@ uthum_refresh(void *arg) DPRINTF(("uthum: data read fail\n")); sc->sc_sensor[UTHUM_TEMP].status = SENSOR_S_UNKNOWN; sc->sc_sensor[UTHUM_HUMIDITY].status = SENSOR_S_UNKNOWN; + sc->sc_sensor[UTHUM_TEMP].flags |= SENSOR_FINVALID; + sc->sc_sensor[UTHUM_HUMIDITY].flags |= SENSOR_FINVALID; return; } - switch (sc->sc_sensortype){ + switch (sc->sc_sensortype) { case UTHUM_TYPE_SHT1x: temp_tick = (buf[0] * 256 + buf[1]) & 0x3fff; humidity_tick = (buf[2] * 256 + buf[3]) & 0x0fff; @@ -373,13 +378,15 @@ uthum_refresh(void *arg) break; default: /* do nothing */ - break; + return; } sc->sc_sensor[UTHUM_TEMP].value = (temp * 10000) + 273150000; sc->sc_sensor[UTHUM_TEMP].status = SENSOR_S_OK; + sc->sc_sensor[UTHUM_TEMP].flags &= ~SENSOR_FINVALID; sc->sc_sensor[UTHUM_HUMIDITY].value = rh; sc->sc_sensor[UTHUM_HUMIDITY].status = SENSOR_S_OK; + sc->sc_sensor[UTHUM_HUMIDITY].flags &= ~SENSOR_FINVALID; } /* return C-degree * 100 value */ |