adaptive lighting support for CCT lights (#1028)

this adds the homekit feature adaptive lightning.
as this is a non-officially documented feature by apple homekit
specification, it relies on the reverse engineering done by homebridge.

mos.yml

@@ -145,6 +145,7 @@ libs:
   - location: https://github.com/mongoose-os-libs/core
   - location: https://github.com/mongoose-os-libs/file-logger
   - location: https://github.com/mongoose-os-libs/homekit-adk
+    version: pull/10/head # use unmerged changes from https://github.com/mongoose-os-libs/homekit-adk/pull/10
   - location: https://github.com/mongoose-os-libs/http-server
   - location: https://github.com/mongoose-os-libs/ota-http-server
   - location: https://github.com/mongoose-os-libs/rpc-service-config
@@ -187,6 +188,7 @@ conds:
         # XXX: fix size calculation with and without BLE
         XHAP_ACCESSORY_SERVER_SIZE: 1680
         HAP_LOG_LEVEL: 0             # This saves 36K on esp8266.
+        HAP_TLV_NO_LOG: 1            # Saves us stack
         HAP_DISABLE_ASSERTS: 1       # 32K
         HAP_DISABLE_PRECONDITIONS: 1 # 40K
 

src/ShellyDuo/shelly_init.cpp

@@ -49,6 +49,14 @@ void CreateComponents(std::vector<std::unique_ptr<Component>> *comps,
     return;
   }
 
+  // Use adaptive lightning when possible (CCT)
+  std::unique_ptr<hap::AdaptiveLighting> adaptive_light;
+  adaptive_light.reset(new hap::AdaptiveLighting(hap_light.get(), lb_cfg));
+  auto st = adaptive_light->Init();
+  if (st.ok()) {
+    hap_light->SetAdaptiveLight(std::move(adaptive_light));
+  }
+
   mgos::hap::Accessory *pri_acc = accs->front().get();
   shelly::hap::LightBulb *light_ref = hap_light.get();
   hap_light->set_primary(true);

src/ShellyRGBW2/shelly_init.cpp

@@ -16,6 +16,7 @@
  */
 
 #include "shelly_cct_controller.hpp"
+#include "shelly_hap_adaptive_lighting.hpp"
 #include "shelly_hap_input.hpp"
 #include "shelly_hap_light_bulb.hpp"
 #include "shelly_input_pin.hpp"
@@ -114,6 +115,14 @@ void CreateComponents(std::vector<std::unique_ptr<Component>> *comps,
       return;
     }
 
+    // Use adaptive lightning when possible (CCT)
+    std::unique_ptr<hap::AdaptiveLighting> adaptive_light;
+    adaptive_light.reset(new hap::AdaptiveLighting(hap_light.get(), lb_cfg));
+    st = adaptive_light->Init();
+    if (st.ok()) {
+      hap_light->SetAdaptiveLight(std::move(adaptive_light));
+    }
+
     bool to_pri_acc = (ndev == 1);  // only device will become primary accessory
                                     // regardless of sw_hidden status
     bool sw_hidden = is_optional && lb_cfg->svc_hidden;

src/shelly_common.hpp

@@ -66,6 +66,11 @@
 #define SHELLY_HAP_IID_BASE_TEMPERATURE_SENSOR 0xd00
 #define SHELLY_HAP_IID_BASE_LEAK_SENSOR 0xe00
 #define SHELLY_HAP_IID_BASE_SMOKE_SENSOR 0xf00
+#define SHELLY_HAP_IID_BASE_ADAPTIVE_LIGHTING 0x1000
+
+#define kChangeReasonAuto "AUTO"
+#define kChangeReasonAutoWithNotification "AUTO_NOTIFICATION"
+#define kCHangeReasonHAP "HAP"
 
 namespace shelly {