Version bump

Cargo.lock

@@ -40,7 +40,7 @@ dependencies = [
 
 [[package]]
 name = "ina3221"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "i2cdev",
 ]

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ina3221"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 [dependencies]

examples/current.rs

@@ -1,10 +1,10 @@
 use ina3221;
 
 fn main() {
-    let mut ina = ina3221::Ina3221::new(0x40);
+    let mut ina = ina3221::Ina3221::new(0x40, "/dev/i2c-1", 5.0);
     let res = match ina.current(ina3221::Channel::One) {
         Ok(value) => value,
         Err(error) => panic!("Can't read i2c: {error:?}"),
     };
-    println!("Channel one current: {:?} mA", res);
+    println!("Channel one current: {:?} A", res);
 }

examples/voltage.rs

@@ -1,7 +1,7 @@
 use ina3221;
 
 fn main() {
-    let mut ina = ina3221::Ina3221::new(0x40);
+    let mut ina = ina3221::Ina3221::new(0x40, "/dev/i2c-1", 5.0);
     let res = match ina.bus_voltage(ina3221::Channel::One) {
         Ok(value) => value,
         Err(error) => panic!("Can't read i2c: {error:?}"),

src/lib.rs

@@ -17,11 +17,11 @@ pub struct Ina3221 {
 
 impl Ina3221 {
 
-    pub fn new(slave_address: u16) -> Ina3221 {
+    pub fn new(slave_address: u16, i2c_device: &str, shunt_resistor: f64) -> Ina3221 {
         Ina3221 {
             slave_addr: slave_address,
-            i2c_device: format!("/dev/i2c-1"),
+            i2c_device: format!("{}", i2c_device),
-            shunt_resistor: 1.0,
+            shunt_resistor,
         }
     }
 
@@ -66,7 +66,7 @@ impl Ina3221 {
 
     pub fn current(&mut self, channel: Channel) -> Result<f64, LinuxI2CError> {
         let tmp: f64 = self.shunt_voltage(channel)?;
-        let res: f64 = tmp * self.shunt_resistor;
+        let res: f64 = tmp / self.shunt_resistor * 100.0; // No idea why multiplying with 100 but the result seems to be correct...
         Ok(res)
     }
-}
+}