94 lines
4.6 KiB
C++
94 lines
4.6 KiB
C++
#ifndef __JABYENGINE_TIMER_IO_HPP__
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#define __JABYENGINE_TIMER_IO_HPP__
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#include "ioport.hpp"
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namespace JabyEngine {
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namespace Timer {
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enum struct SyncMode {};
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struct __no_align CounterMode : public ComplexBitMap<uint32_t> {
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__io_port_inherit_complex_bit_map(CounterMode);
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static constexpr auto SyncEnable = Bit<uint32_t>(0);
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static constexpr auto FreeRun = !SyncEnable;
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static constexpr auto SyncMode = BitRange<uint32_t>::from_to(1, 2);
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static constexpr auto ResetAfterTarget = Bit<uint32_t>(3);
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static constexpr auto IRQAtTarget = Bit<uint32_t>(4);
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static constexpr auto IRQAtMax = Bit<uint32_t>(5);
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static constexpr auto IRQEveryTime = Bit<uint32_t>(6);
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static constexpr auto IRQOneShot = !IRQEveryTime;
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static constexpr auto IRQToggle = Bit<uint32_t>(7);
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static constexpr auto IRQPulse = !IRQToggle;
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static constexpr auto ClockSource = BitRange<uint32_t>::from_to(8, 9);
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static constexpr auto HasIRQRequest = Bit<uint32_t>(10);
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static constexpr auto IsTargetReached = Bit<uint32_t>(11);
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static constexpr auto IsMaxReached = Bit<uint32_t>(12);
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};
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struct __no_align CounterTarget : public ComplexBitMap<uint32_t> {
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__io_port_inherit_complex_bit_map(CounterTarget);
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static constexpr auto CounterTargetValue = BitRange<uint32_t>::from_to(0, 15);
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};
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struct __no_align Timer {
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IOPort<CounterMode> mode;
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IOPort<CounterTarget> target;
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private:
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uint32_t _unused[2];
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};
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namespace Counter0 {
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struct SyncMode {
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static constexpr auto Pause_During_Hblank = CounterMode::SyncMode.with(0);
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static constexpr auto Zero_At_Hblank = CounterMode::SyncMode.with(1);
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static constexpr auto Zero_At_Hblank_Pause_Outside_Hblank = CounterMode::SyncMode.with(2);
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static constexpr auto Pause_Until_Hblank_Then_Freerun = CounterMode::SyncMode.with(3);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
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static constexpr auto Dot_Clock = CounterMode::ClockSource.with(1);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2);
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static constexpr auto Dot_Clock_Too = CounterMode::ClockSource.with(3);
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};
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}
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namespace Counter1 {
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struct SyncMode {
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static constexpr auto Pause_During_Vblank = CounterMode::SyncMode.with(0);
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static constexpr auto Zero_At_Vblank = CounterMode::SyncMode.with(1);
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static constexpr auto Zero_At_Vblank_Pause_Outside_Vblank = CounterMode::SyncMode.with(2);
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static constexpr auto Pause_Until_Vblank_Then_Freerun = CounterMode::SyncMode.with(3);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
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static constexpr auto Hblank = CounterMode::ClockSource.with(1);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2);
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static constexpr auto Hblank_Too = CounterMode::ClockSource.with(3);
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};
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}
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namespace Counter2 {
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struct SyncMode {
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static constexpr auto Stop_Counter = CounterMode::SyncMode.with(0);
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static constexpr auto Freerun = CounterMode::SyncMode.with(1);
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static constexpr auto Freerun_Too = CounterMode::SyncMode.with(2);
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static constexpr auto Stop_Counter_Too = CounterMode::SyncMode.with(3);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(1);
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static constexpr auto System_Clock_Div_8 = CounterMode::ClockSource.with(2);
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static constexpr auto System_Clock_Div_8_Too = CounterMode::ClockSource.with(3);
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};
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}
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__declare_io_port_global_array(Timer, Counter, 0x1F801104, 3);
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static_assert(sizeof(Timer) == 0x10);
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}
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}
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#endif //!__JABYENGINE_TIMER_IO_HPP__
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