First commitHEADmain

1 files changed, 25 insertions, 0 deletions

diff --git a/examples/power.rs b/examples/power.rs
new file mode 100644
index 0000000..120f424
--- /dev/null
+++ b/examples/power.rs
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+//! Change the supply's output state.
+
+use std::env;
+
+use bkp_168xb::{Output, PowerSupply};
+
+static USAGE: &'static str = "Usage: power on [PORT] | power off [PORT]";
+
+fn main() {
+    let mut args = env::args().skip(1);
+    let output = args
+        .next()
+        .and_then(|arg| match arg.to_lowercase().as_str() {
+            "off" => Some(Output::Off),
+            "on" => Some(Output::On),
+            _ => None,
+        })
+        .expect(USAGE);
+    let port = args.next().expect(USAGE);
+
+    let mut ps = PowerSupply::open(port).unwrap();
+    let (volt, curr) = ps.get_max_voltage_current().unwrap();
+    println!("{volt} {curr}");
+    ps.set_output(output).unwrap()
+}