o Getting closer to a working decoder.

2 files changed, 64 insertions, 0 deletions

diff --git a/include/decoder.h b/include/decoder.h
new file mode 100644
index 0000000..2a8c58e
--- /dev/null
+++ b/include/decoder.h
@@ -0,0 +1,26 @@
+#pragma once
+
+namespace radio_controller {
+
+template<typename T>
+class iterator {
+public:
+    virtual bool next() = 0;
+
+    virtual bool has_next() const = 0;
+
+    virtual const T &value() const = 0;
+};
+
+struct sample {
+    uint16_t period_us;
+    uint16_t pulse_us;
+};
+
+//template<typename T>
+class decoder {
+public:
+    virtual void decode(iterator<sample> *it) = 0;
+};
+
+} // namespace radio_controller
diff --git a/include/samsung_decoder.h b/include/samsung_decoder.h
new file mode 100644
index 0000000..5d2b555
--- /dev/null
+++ b/include/samsung_decoder.h
@@ -0,0 +1,38 @@
+#pragma
+
+#include "decoder.h"
+
+namespace radio_controller {
+
+class samsung_decoder : public decoder {
+
+    inline
+    bool between(uint16_t smallest, uint16_t biggest, uint16_t value)
+    {
+        return smallest <= value && value <= biggest;
+    }
+
+    inline
+    bool start_bit(uint16_t time)
+    {
+        return between(4200, 4700, time);
+    }
+
+    inline
+    bool one_bit(uint16_t time)
+    {
+        return between(4200, 4700, time);
+    }
+
+public:
+    void decode(iterator<sample> *it) override
+    {
+        printf("Samsung\n");
+        while (it->next()) {
+            auto s = it->value();
+            printf("% 5d us % 5d us, %.02d%%\n", s.period_us, s.pulse_us, int(s.pulse_us / double(s.period_us) * 100));
+        }
+    }
+};
+
+} // namespace radio_controller