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fix:add dq reset #32

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fix:add dq reset #32

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2 changes: 2 additions & 0 deletions owb_gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,8 @@ static owb_status _reset(const OneWireBus * bus, bool * is_present)

owb_gpio_driver_info *i = info_from_bus(bus);

gpio_set_level(i->gpio, 1); // Reset DQ
_us_delay(bus->timing->A);
gpio_set_direction(i->gpio, GPIO_MODE_OUTPUT);
_us_delay(bus->timing->G);
gpio_set_level(i->gpio, 0); // Drive DQ low
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