cmd_handler: Add cmd to get temp adc polling interval

src/net/cmd_handler.rs

@@ -17,7 +17,7 @@ use crate::{device::{dfu, hw_rev::HWRev, sys_timer},
             thermostat::{ad7172::FilterType,
                          pid_state::PidSettings::*,
                          thermostat::{StatusReport as TecStatusReport, TempAdcFilter, Thermostat,
-                                      ThermostatSettingsSummary}},
+                                      ThermostatSettingsSummary, Time}},
             DeviceSettings, IpSettings, State};
 
 #[derive(Deserialize, Serialize, Copy, Clone, Default, Debug)]
@@ -27,6 +27,7 @@ pub enum ResponseEnum {
     Settings,
     Report,
     HwRev,
+    Interval,
     Acknowledge,
     InvalidDatatype,
     InvalidSettings,
@@ -119,6 +120,7 @@ enum ThermostatCmdEnum {
     SetPidUpdateInterval, // Update Interval is set based on the sampling rate of ADC
     // Temperature ADC
     ConfigTempAdcFilter,
+    GetPollInterval,
     // TempMon
     SetTempMonUpperLimit,
     SetTempMonLowerLimit,
@@ -181,6 +183,17 @@ pub struct SettingsSummaryObj {
     json: SettingsSummary,
 }
 
+#[derive(Deserialize, Serialize, Copy, Clone, Debug, Tree)]
+pub struct IntervalType {
+    msg_type: ResponseEnum,
+    interval: Time,
+}
+
+#[derive(Deserialize, Serialize, Copy, Clone, Debug, Tree)]
+pub struct IntervalObj {
+    json: IntervalType,
+}
+
 #[derive(Deserialize, Serialize, Copy, Clone, Debug, Tree)]
 pub struct HwRevType {
     msg_type: ResponseEnum,
@@ -258,6 +271,20 @@ pub fn send_hw_rev(buffer: &mut [u8], hw_rev_o: &mut HWRev, socket: &mut SocketH
     num_bytes += 1;
     net::eth_send(buffer, num_bytes, *socket);
 }
+
+pub fn send_interval(buffer: &mut [u8], interval: Time, socket: &mut SocketHandle) {
+    let hw_rev = IntervalObj {
+        json: IntervalType {
+            msg_type: ResponseEnum::Interval,
+            interval: interval,
+        },
+    };
+    let mut num_bytes = hw_rev.get_json("/json", buffer).unwrap();
+    buffer[num_bytes] = b'\n';
+    num_bytes += 1;
+    net::eth_send(buffer, num_bytes, *socket);
+}
+
 // Use a minimal struct for high speed cmd ctrl to reduce processing overhead
 #[derive(Deserialize, Serialize, Copy, Clone, Debug, Default, Tree)]
 pub struct TecSetICmdJson {
@@ -777,6 +804,9 @@ pub fn execute_cmd(
                         );
                     }
                 },
+                Some(ThermostatCmdEnum::GetPollInterval) => {
+                    send_interval(buffer, thermostat.get_poll_interval(), socket)
+                }
                 Some(ThermostatCmdEnum::SetTempMonUpperLimit) => match cmd.json.data_f32 {
                     Some(val) => {
                         send_response(buffer, ResponseEnum::Acknowledge, None, socket);