Standalone imp (#2791)

* Moved ui elements to common folder in standalone, and add screen parameters to the api v4

* pass it as a pointer, so if standalone app supports it can change

firmware/standalone/common/ui/complex.hpp

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __COMPLEX_H__
+#define __COMPLEX_H__
+
+#include <cstdint>
+#include <complex>
+#include <cmath>
+
+constexpr float pi{3.141592653589793238462643383279502884f};
+
+namespace std {
+
+template <>
+struct complex<int8_t> {
+   public:
+    typedef int8_t value_type;
+    typedef uint16_t rep_type;
+
+    constexpr complex(
+        int8_t re = 0,
+        int8_t im = 0)
+        : _v{re, im} {
+    }
+
+    constexpr int8_t real() const { return _v[0]; }
+    constexpr int8_t imag() const { return _v[1]; }
+
+    void real(int8_t v) { _v[0] = v; }
+    void imag(int8_t v) { _v[1] = v; }
+
+    constexpr uint16_t __rep() const {
+        return _rep;
+    }
+
+   private:
+    union {
+        value_type _v[2];
+        rep_type _rep;
+    };
+};
+
+template <>
+struct complex<int16_t> {
+   public:
+    typedef int16_t value_type;
+    typedef uint32_t rep_type;
+
+    constexpr complex(
+        int16_t re = 0,
+        int16_t im = 0)
+        : _v{re, im} {
+    }
+
+    constexpr int16_t real() const { return _v[0]; }
+    constexpr int16_t imag() const { return _v[1]; }
+
+    void real(int16_t v) { _v[0] = v; }
+    void imag(int16_t v) { _v[1] = v; }
+
+    template <class X>
+    complex<int16_t>& operator+=(const complex<X>& other) {
+        _v[0] += other.real();
+        _v[1] += other.imag();
+        return *this;
+    }
+
+    constexpr uint32_t __rep() const {
+        return _rep;
+    }
+
+    constexpr operator std::complex<float>() const {
+        return {
+            static_cast<float>(_v[0]),
+            static_cast<float>(_v[1])};
+    }
+
+   private:
+    union {
+        value_type _v[2];
+        rep_type _rep;
+    };
+};
+
+} /* namespace std */
+
+using complex8_t = std::complex<int8_t>;
+using complex16_t = std::complex<int16_t>;
+using complex32_t = std::complex<int32_t>;
+
+static_assert(sizeof(complex8_t) == 2, "complex8_t size wrong");
+static_assert(sizeof(complex16_t) == 4, "complex16_t size wrong");
+static_assert(sizeof(complex32_t) == 8, "complex32_t size wrong");
+
+#endif /*__COMPLEX_H__*/