added solar ina handling, adjusted website

rust/src/webserver/webserver.rs

@@ -40,6 +40,13 @@ struct Moistures {
     moisture_b: Vec<std::string::String>,
 }
 
+#[derive(Serialize, Debug)]
+struct SolarState {
+    mppt_voltage: f32,
+    mppt_current: f32,
+    is_day: bool,
+}
+
 #[derive(Deserialize, Debug)]
 struct SetTime<'a> {
     time: &'a str,
@@ -218,6 +225,18 @@ fn set_config(
     anyhow::Ok(Some("saved".to_owned()))
 }
 
+fn get_solar_state(
+    _request: &mut Request<&mut EspHttpConnection>,
+) -> Result<Option<std::string::String>, anyhow::Error> {
+    let mut board = BOARD_ACCESS.lock().expect("board access");
+    let state = SolarState {
+        mppt_voltage: board.board_hal.get_mptt_voltage()?.as_volts() as f32,
+        mppt_current: board.board_hal.get_mptt_current()?.as_amperes() as f32,
+        is_day: board.board_hal.is_day(),
+    };
+    anyhow::Ok(Some(serde_json::to_string(&state)?))
+}
+
 fn get_battery_state(
     _request: &mut Request<&mut EspHttpConnection>,
 ) -> Result<Option<std::string::String>, anyhow::Error> {
@@ -383,6 +402,11 @@ pub fn httpd(reboot_now: Arc<AtomicBool>) -> Box<EspHttpServer<'static>> {
             handle_error_to500(request, get_battery_state)
         })
         .unwrap();
+    server
+        .fn_handler("/solar", Method::Get, |request| {
+            handle_error_to500(request, get_solar_state)
+        })
+        .unwrap();
     server
         .fn_handler("/time", Method::Get, |request| {
             handle_error_to500(request, get_time)