From f24c710af235e2e28c86b1f1646856fac9d10fc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Bourdeauducq?= <sb@m-labs.hk>
Date: Sun, 19 Jan 2025 19:25:55 +0800
Subject: [PATCH] Kirdy::set_tec_current

---
 kirdy.cpp   | 15 ++++++++++++---
 kirdy.hpp   |  1 +
 sndlock.cpp |  1 +
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/kirdy.cpp b/kirdy.cpp
index d05d007..3258ac8 100644
--- a/kirdy.cpp
+++ b/kirdy.cpp
@@ -29,8 +29,17 @@ Json::Value Kirdy::command(Json::Value &request)
 
 float Kirdy::get_laser_temp()
 {
-    Json::Value json;
-    json["device_cmd"] = "GetStatusReport";
-    auto reply = command(json);
+    Json::Value request;
+    request["device_cmd"] = "GetStatusReport";
+    Json::Value reply = command(request);
     return reply["thermostat"]["temperature"].asFloat();
 }
+
+void Kirdy::set_tec_current(float amps)
+{
+    Json::Value request;
+    request["tec_set_i"] = amps;
+    Json::Value reply = command(request);
+    if(reply["msg_type"].asString() != "Acknowledge")
+        std::cerr << "TEC set current failed" << std::endl;
+}
diff --git a/kirdy.hpp b/kirdy.hpp
index 6ecafcb..8d83305 100644
--- a/kirdy.hpp
+++ b/kirdy.hpp
@@ -10,4 +10,5 @@ class Kirdy {
     public:
         Kirdy(asio::string_view host, asio::string_view service);
         float get_laser_temp();
+        void set_tec_current(float amps);
 };
diff --git a/sndlock.cpp b/sndlock.cpp
index f7f7c9b..16cfb89 100644
--- a/sndlock.cpp
+++ b/sndlock.cpp
@@ -260,6 +260,7 @@ static void servo_thread(int channel)
     while(!shutdown_threads) {
         clocker.tick();
         laser_temp[channel] = kirdy.get_laser_temp();
+        kirdy.set_tec_current(0.01);
     }
 }