92 lines
4.3 KiB
C++
92 lines
4.3 KiB
C++
#pragma once
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#include "IOValues/timer_io_values.hpp"
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namespace JabyEngine {
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namespace Timer_IO {
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using namespace Timer_IO_Values;
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using CounterModeIO = IOPort<Timer_IO_Values::CounterMode>;
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using CounterTargetIO = IOPort<Timer_IO_Values::CounterTarget>;
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using CounterValueIO = IOPort<Timer_IO_Values::CounterValue>;
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#pragma pack(push, 1)
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struct Counter {
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CounterValueIO value;
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CounterModeIO mode;
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CounterTargetIO target;
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uint32_t unused;
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inline uint16_t get_current_value() const {
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return this->value.read().get(CounterValue::Value);
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}
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inline void set_target_value(uint16_t value) {
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this->target.write(CounterTarget{0}.set_range(CounterTarget::CounterTargetValue, value));
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}
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inline void set_mode(CounterMode mode) {
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this->mode.write(mode);
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}
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};
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#pragma pack(pop)
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#pragma pack(push, 1)
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struct Counter0 : public Counter {
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struct SyncMode {
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static constexpr auto Zero_At_Hblank = CounterMode::SyncMode.with(1u);
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static constexpr auto Pause_During_Hblank = CounterMode::SyncMode.with(0u);
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static constexpr auto Zero_At_Hblank_Pause_Outside_Hblank = CounterMode::SyncMode.with(2u);
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static constexpr auto Pause_Until_Hblank_Then_Freerun = CounterMode::SyncMode.with(3u);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0u);
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static constexpr auto Dot_Clock = CounterMode::ClockSource.with(1u);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2u);
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static constexpr auto Dot_Clock_Too = CounterMode::ClockSource.with(3u);
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};
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};
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struct Counter1 : public Counter {
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struct SyncMode {
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static constexpr auto Pause_During_Vblank = CounterMode::SyncMode.with(0u);
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static constexpr auto Zero_At_Vblank = CounterMode::SyncMode.with(1u);
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static constexpr auto Zero_At_Vblank_Pause_Outside_Vblank = CounterMode::SyncMode.with(2u);
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static constexpr auto Pause_Until_Vblank_Then_FreeRun = CounterMode::SyncMode.with(3u);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0u);
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static constexpr auto Hblank = CounterMode::ClockSource.with(1u);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2u);
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static constexpr auto Hblank_Too = CounterMode::ClockSource.with(3u);
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};
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};
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struct Counter2 : public Counter {
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struct SyncMode {
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static constexpr auto Stop_Counter = CounterMode::SyncMode.with(0u);
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static constexpr auto FreeRun = CounterMode::SyncMode.with(1u);
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static constexpr auto FreeRun_Too = CounterMode::SyncMode.with(2u);
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static constexpr auto Stop_Counter_Too = CounterMode::SyncMode.with(3u);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0u);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(1u);
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static constexpr auto System_Clock_Div_8 = CounterMode::ClockSource.with(2u);
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static constexpr auto System_Clock_Div_8_Too = CounterMode::ClockSource.with(3u);
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};
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};
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#pragma pack(pop)
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static constexpr uintptr_t counter_base_adr(size_t ID) {
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return (0x1F801100 + (ID*0x10));
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}
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// TODO: Improve this to actually use it for measurement - if possible
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static auto& Counter0 = __new_declare_io_value(struct Counter0, counter_base_adr(0));
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static auto& Counter1 = __new_declare_io_value(struct Counter1, counter_base_adr(1));
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static auto& Counter2 = __new_declare_io_value(struct Counter2, counter_base_adr(2));
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}
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} |