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distance.dtso
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distance.dtso
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/dts-v1/;
/plugin/;
//#include <dt-bindings/pinstrl/bcm2835.h>;
//#include <dt-bindings/gpio/gpio.h>;
/{
compatible = "brcm,bcm2835";
fragment@0 {
// Configure the gpio pin controller
target = <&gpio>;
__overlay__ {
distance_pin_echo: distance_pin_echo {
brcm,pins = <26>; // gpio number
brcm,function = <1>; // 0 = input, 1 = output
brcm,pull = <0>; // 0 = none, 1 = pull down, 2 = pull up
};
distance_pin_trig: distance_pin_trig {
brcm,pins = <16>; // gpio number
brcm,function = <0>; // 0 = input, 1 = output
brcm,pull = <0>; // 0 = none, 1 = pull down, 2 = pull up
};
};
};
fragment@1 {
target-path = "/";
__overlay__ {
distance: distance {
compatible = "crowpi2-distance";
pinctrl-names = "default";
pinctrl-0 = <&distance_pin_echo &distance_pin_trig>;
gpios = <&gpio 26 0>, <&gpio 16 0>; // para-3: active-high=0 active-low=1
status = "okay";
};
};
};
};