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ruanhaishen
Nodemcu Firmware
Commits
75c3cf29
Commit
75c3cf29
authored
Jun 20, 2015
by
vowstar
Browse files
Disable interrupts while communicating with DHTxx.
parent
3430e5f8
Changes
1
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Inline
Side-by-side
app/dhtlib/dht.c
View file @
75c3cf29
...
...
@@ -252,6 +252,8 @@ int dht_readSensor(uint8_t pin, uint8_t wakeupDelay)
DIRECT_WRITE_LOW
(
pin
);
// delay(wakeupDelay);
for
(
i
=
0
;
i
<
wakeupDelay
;
i
++
)
os_delay_us
(
1000
);
// Disable interrupts
os_intr_lock
();
// digitalWrite(pin, HIGH); // T-go
DIRECT_WRITE_HIGH
(
pin
);
os_delay_us
(
40
);
...
...
@@ -303,6 +305,8 @@ int dht_readSensor(uint8_t pin, uint8_t wakeupDelay)
idx
++
;
}
}
// Enable interrupts
os_intr_unlock
();
// pinMode(pin, OUTPUT);
DIRECT_MODE_OUTPUT
(
pin
);
// digitalWrite(pin, HIGH);
...
...
Write
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