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Update dht.c #665

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Update dht.c #665

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4 changes: 2 additions & 2 deletions components/dht/dht.c
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Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,7 @@ static esp_err_t dht_await_pin_state(gpio_num_t pin, uint32_t timeout,
for (uint32_t i = 0; i < timeout; i += DHT_TIMER_INTERVAL)
{
// need to wait at least a single interval to prevent reading a jitter
ets_delay_us(DHT_TIMER_INTERVAL);
esp_rom_delay_us(DHT_TIMER_INTERVAL);
if (gpio_get_level(pin) == expected_pin_state)
{
if (duration)
Expand All @@ -145,7 +145,7 @@ static inline esp_err_t dht_fetch_data(dht_sensor_type_t sensor_type, gpio_num_t
// Phase 'A' pulling signal low to initiate read sequence
gpio_set_direction(pin, GPIO_MODE_OUTPUT_OD);
gpio_set_level(pin, 0);
ets_delay_us(sensor_type == DHT_TYPE_SI7021 ? 500 : 20000);
esp_rom_delay_us(sensor_type == DHT_TYPE_SI7021 ? 500 : 20000);
gpio_set_level(pin, 1);

// Step through Phase 'B', 40us
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