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Use macros to define our device pins.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
2019-01-14 23:17:54 +00:00
parent 4d08487513
commit f0376fa81e
14 changed files with 92 additions and 287 deletions
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61
inc/Device.h
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@@ -3,6 +3,55 @@
#include "EventArgs.h"
#include "Signal.h"
#define DECLARE_PIN_SIGNALS(name) \
Signal<EventArgs> Raising ## name; \
Signal<EventArgs> Raised ## name; \
Signal<EventArgs> Lowering ## name; \
Signal<EventArgs> Lowered ## name;
#define DECLARE_PIN_LEVEL_RAISE(name) \
virtual void raise ## name();
#define DECLARE_PIN_LEVEL_LOWER(name) \
virtual void lower ## name();
#define DECLARE_PIN_LEVEL_CHANGERS(name) \
DECLARE_PIN_LEVEL_RAISE(name) \
DECLARE_PIN_LEVEL_LOWER(name)
#define DEFINE_PIN_LEVEL_RAISE(name, within) \
void EightBit:: within ::raise ## name() { \
Raising ## name.fire(EventArgs::empty()); \
raise( name ()); \
Raised ## name.fire(EventArgs::empty()); \
}
#define DEFINE_PIN_LEVEL_LOWER(name, within) \
void EightBit:: within ::lower ## name() { \
Lowering ## name.fire(EventArgs::empty()); \
lower( name ()); \
Lowered ## name.fire(EventArgs::empty()); \
}
#define DEFINE_PIN_LEVEL_CHANGERS(name, within) \
DEFINE_PIN_LEVEL_RAISE(name, within) \
DEFINE_PIN_LEVEL_LOWER(name, within)
#define DECLARE_PIN_MEMBER(name) \
PinLevel m_## name ## _Line = PinLevel::Low;
#define DECLARE_PIN(name, visibility) \
public: DECLARE_PIN_SIGNALS(name) \
[[nodiscard]] PinLevel& name ## () noexcept { return m_## name ## _Line; } \
visibility : DECLARE_PIN_LEVEL_CHANGERS(name) \
private: DECLARE_PIN_MEMBER(name)
// Input pins have a degree of external control
#define DECLARE_PIN_INPUT(name) DECLARE_PIN(name, public)
// Output pins may only be internally controlled
#define DECLARE_PIN_OUTPUT(name) DECLARE_PIN(name, protected)
namespace EightBit {
class Device {
public:
@@ -17,19 +66,11 @@ namespace EightBit {
virtual ~Device() {};
Signal<EventArgs> RaisedPOWER;
Signal<EventArgs> LoweredPOWER;
[[nodiscard]] bool powered() noexcept { return raised(POWER()); }
[[nodiscard]] auto& POWER() noexcept { return m_powerLine; }
[[nodiscard]] auto powered() noexcept { return raised(POWER()); }
virtual void raisePOWER();
virtual void lowerPOWER();
DECLARE_PIN_INPUT(POWER)
protected:
Device() {};
private:
PinLevel m_powerLine = PinLevel::Low; // In
};
}