main_adc.cc - use Cache and PeriodicTaskCT

examples/main_adc.cc

@@ -1,12 +1,18 @@
 #include "main_adc.hh"
 #include "utils.hh"
-#include <functional>
 
 namespace Heck {
     namespace { // anonymous namespace for internal linkage
         ld::DaisySeed seed{};
-        Observer<int> pot1{};
-        SWTimer scan_pots{};
+
+        Cache<u16> pot1{ []() { return seed.adc.Get(0); },
+                         [](Cache<u16>& cache) { seed.PrintLine("POT_1: %d", cache.read()); } };
+
+        void scan_pots(u32) {
+            pot1.update_and_notify_change();
+        }
+
+        PeriodicTaskCT<scan_pots, 10> task_scan_pots{};
 
         void init()
         {
@@ -20,21 +26,14 @@ namespace Heck {
                 seed.adc.Init(adc_cfg, 1);
                 seed.adc.Start();
             }
-
-            scan_pots.set_period(10);
-            scan_pots.set_callback([](u32) {
-                pot1.on_change_fuzzy(seed.adc.Get(0), 20, [](int val) {
-                    seed.PrintLine("POT_1: %d", val);
-                });
-            });
         }
 
         void mainloop()
         {
-            u32&& time_boot_ms{};
+            u32 uptime{};
             while (true) {
-                time_boot_ms = ld::System::GetNow();
-                scan_pots.is_it_already_time_again(time_boot_ms);
+                uptime = ld::System::GetNow();
+                task_scan_pots.run_pending(uptime);
             }
         }
     } // namespace