zephyr: device: gpio: Add a few more methods

Add methods for get and set of pin logical values.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

zephyr/src/device/gpio.rs

@@ -7,6 +7,8 @@
 //! pervasively throughout Zephyr device drivers.  As such, most of the calls in this module are
 //! unsafe.
 
+use core::ffi::c_int;
+
 use super::Unique;
 use crate::raw;
 
@@ -147,4 +149,18 @@ impl GpioPin {
             raw::gpio_pin_toggle_dt(&self.pin);
         }
     }
+
+    /// Set the logical level of the pin.
+    pub unsafe fn set(&mut self, _token: &mut GpioToken, value: bool) {
+        raw::gpio_pin_set_dt(&self.pin, value as c_int);
+    }
+
+    /// Read the logical level of the pin.
+    pub unsafe fn get(&mut self, _token: &mut GpioToken) -> bool {
+        match raw::gpio_pin_get_dt(&self.pin) {
+            0 => false,
+            1 => true,
+            _ => panic!("TODO: Handle gpio get error"),
+        }
+    }
 }