116 lines
5.4 KiB
C++
116 lines
5.4 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_IO {
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__new_declare_io_value(CounterMode, uint32_t) {
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static constexpr auto SyncEnable = Bit(0);
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static constexpr auto FreeRun = !SyncEnable;
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static constexpr auto SyncMode = BitRange::from_to(1, 2);
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static constexpr auto ResetAfterTarget = Bit(3);
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static constexpr auto IRQAtTarget = Bit(4);
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static constexpr auto IRQAtMax = Bit(5);
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static constexpr auto IRQEveryTime = Bit(6);
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static constexpr auto IRQOneShot = !IRQEveryTime;
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static constexpr auto IRQToggle = Bit(7);
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static constexpr auto IRQPulse = !IRQToggle;
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static constexpr auto ClockSource = BitRange::from_to(8, 9);
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static constexpr auto HasIRQRequest = Bit(10);
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static constexpr auto IsTargetReached = Bit(11);
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static constexpr auto IsMaxReached = Bit(12);
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};
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__new_declare_io_value(CounterTarget, uint32_t) {
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static constexpr auto CounterTargetValue = BitRange::from_to(0, 15);
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};
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__new_declare_io_value(CounterValue, uint32_t) {
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static constexpr auto Value = BitRange::from_to(0, 15);
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};
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#pragma pack(push, 1)
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struct Counter {
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New::IOPort<CounterValue> value;
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New::IOPort<CounterMode> mode;
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New::IOPort<CounterTarget> target;
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private:
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uint32_t _unused;
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public:
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inline uint16_t get_current_value() const {
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return this->value.read().get2(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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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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#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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__new_declare_value_at(, struct Counter0, Counter0, counter_base_adr(0));
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__new_declare_value_at(, struct Counter1, Counter1, counter_base_adr(1));
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__new_declare_value_at(, struct Counter2, Counter2, counter_base_adr(2));
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}
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}
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#endif //!__JABYENGINE_TIMER_IO_HPP__
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