Convert Timer IO
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47484a8056
commit
33b5d4d3b7
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@ -53,19 +53,23 @@ namespace JabyEngine {
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};
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#define __declare_new_io_port(name, adr) \
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typedef name##_io_base<VolatileValue> name##_v; \
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typedef name##_io_base<NormalValue> name##_t; \
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static auto& name = *reinterpret_cast<name##_v*>(adr)
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/*constexpr name##_io_base() = default; \
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\
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constexpr name##_io_base(type value) : raw_value(value) {} \
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\*/
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#define __declare_io_type(name, type, ...) \
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template<template<typename> typename T> \
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struct name##_io_base { \
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T<type>::Value raw_value = 0; \
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\
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constexpr name##_io_base() = default; \
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\
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constexpr name##_io_base(type value) : raw_value(value) {} \
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__VA_ARGS__ \
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template<typename...ARGS> \
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static constexpr name##_io_base from(const ARGS&...args) { \
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return name##_io_base().set_va(args...); \
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} \
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\
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constexpr name##_io_base& set(IOBitSet bit) { \
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this->raw_value = bit::set(this->raw_value, bit.pos); \
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@ -87,7 +91,15 @@ namespace JabyEngine {
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return *this; \
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} \
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\
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type get(IOValueSet bits) const { \
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template<typename S> \
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constexpr name##_io_base& set_va(const S& head) { \
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return this->set(head); \
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} \
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template<typename S, typename...ARGS> \
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constexpr name##_io_base& set_va(const S& head, const ARGS&...tail) { \
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return this->set(head).set_va(tail...); \
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} \
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constexpr type get(IOValueSet bits) const { \
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return bit::value::get_normalized(this->raw_value, bits.pos, bits.length); \
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} \
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\
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@ -98,22 +110,25 @@ namespace JabyEngine {
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} \
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\
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\
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bool is_set(IOBitSet bit) const { \
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constexpr bool is_set(IOBitSet bit) const { \
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return bit::is_set(this->raw_value, bit.pos); \
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} \
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\
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\
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void operator=(type value) { \
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constexpr void operator=(type value) { \
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this->raw_value = value; \
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} \
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\
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type operator*() const { \
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constexpr type operator*() const { \
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return this->raw_value; \
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} \
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}
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}; \
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\
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typedef name##_io_base<VolatileValue> name##_v; \
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typedef name##_io_base<NormalValue> name##_t \
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template<typename T>
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struct __attribute__((deprecated)) VolatilePOD {
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struct VolatilePOD {
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volatile T raw;
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constexpr T read() const {
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@ -127,7 +142,7 @@ namespace JabyEngine {
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// For use with ComplexBitMaps or what else satisfies this API
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template<typename T>
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struct __attribute__((deprecated)) VolatileBitMapPOD {
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struct VolatileBitMapPOD {
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typedef typename T::UnderlyingType Raw;
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VolatilePOD<Raw> pod;
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@ -4,94 +4,108 @@
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namespace JabyEngine {
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namespace Timer_IO {
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struct CounterMode : public ComplexBitMap<uint32_t> {
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static constexpr auto SyncEnable = Bit<uint32_t>(0);
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__declare_io_type(CounterMode, uint32_t,
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static constexpr auto SyncEnable = IOBitSet(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 SyncMode = IOValueSet::from_to(1, 2);
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static constexpr auto ResetAfterTarget = IOBitSet(3);
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static constexpr auto IRQAtTarget = IOBitSet(4);
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static constexpr auto IRQAtMax = IOBitSet(5);
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static constexpr auto IRQEveryTime = IOBitSet(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 IRQToggle = IOBitSet(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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static constexpr auto ClockSource = IOValueSet::from_to(8, 9);
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static constexpr auto HasIRQRequest = IOBitSet(10);
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static constexpr auto IsTargetReached = IOBitSet(11);
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static constexpr auto IsMaxReached = IOBitSet(12);
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);
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struct CounterTarget : public ComplexBitMap<uint32_t> {
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static constexpr auto CounterTargetValue = BitRange<uint32_t>::from_to(0, 15);
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};
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__declare_io_type(CounterTarget, uint32_t,
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static constexpr auto CounterTargetValue = IOValueSet::from_to(0, 15);
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);
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struct CounterValue : public ComplexBitMap<uint32_t> {
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static constexpr auto Value = BitRange<uint32_t>::from_to(0, 15);
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};
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__declare_io_type(CounterValue, uint32_t,
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static constexpr auto Value = IOValueSet::from_to(0, 15);
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);
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struct __no_align Counter {
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VolatileBitMapPOD<CounterValue> value;
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VolatileBitMapPOD<CounterMode> mode;
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VolatileBitMapPOD<CounterTarget> target;
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CounterValue_v value;
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CounterMode_v mode;
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CounterTarget_v target;
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private:
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uint32_t _unused;
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public:
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constexpr uint16_t get_current_value() const {
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return this->value.get(CounterValue_v::Value);
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}
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constexpr void set_target_value(uint16_t value) {
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this->target.set(CounterTarget_v::CounterTargetValue, value);
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}
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constexpr void set_mode(CounterMode_t mode) {
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this->mode = *mode;
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}
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};
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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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struct __no_align Counter0 : public Counter {
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struct __no_align Counter0_v : public Counter {
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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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static constexpr auto Pause_During_Hblank = CounterMode_v::SyncMode.with(0u);
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static constexpr auto Zero_At_Hblank = CounterMode_v::SyncMode.with(1u);
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static constexpr auto Zero_At_Hblank_Pause_Outside_Hblank = CounterMode_v::SyncMode.with(2u);
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static constexpr auto Pause_Until_Hblank_Then_Freerun = CounterMode_v::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(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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static constexpr auto System_Clock = CounterMode_v::ClockSource.with(0u);
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static constexpr auto Dot_Clock = CounterMode_v::ClockSource.with(1u);
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static constexpr auto System_Clock_Too = CounterMode_v::ClockSource.with(2u);
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static constexpr auto Dot_Clock_Too = CounterMode_v::ClockSource.with(3u);
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};
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};
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struct __no_align Counter1 : public Counter {
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struct __no_align Counter1_v : public Counter {
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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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static constexpr auto Pause_During_Vblank = CounterMode_v::SyncMode.with(0u);
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static constexpr auto Zero_At_Vblank = CounterMode_v::SyncMode.with(1u);
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static constexpr auto Zero_At_Vblank_Pause_Outside_Vblank = CounterMode_v::SyncMode.with(2u);
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static constexpr auto Pause_Until_Vblank_Then_FreeRun = CounterMode_v::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(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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static constexpr auto System_Clock = CounterMode_v::ClockSource.with(0u);
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static constexpr auto Hblank = CounterMode_v::ClockSource.with(1u);
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static constexpr auto System_Clock_Too = CounterMode_v::ClockSource.with(2u);
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static constexpr auto Hblank_Too = CounterMode_v::ClockSource.with(3u);
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};
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};
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struct __no_align Counter2 : public Counter {
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struct __no_align Counter2_v : public Counter {
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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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static constexpr auto Stop_Counter = CounterMode_v::SyncMode.with(0u);
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static constexpr auto FreeRun = CounterMode_v::SyncMode.with(1u);
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static constexpr auto FreeRun_Too = CounterMode_v::SyncMode.with(2u);
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static constexpr auto Stop_Counter_Too = CounterMode_v::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(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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static constexpr auto System_Clock = CounterMode_v::ClockSource.with(0u);
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static constexpr auto System_Clock_Too = CounterMode_v::ClockSource.with(1u);
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static constexpr auto System_Clock_Div_8 = CounterMode_v::ClockSource.with(2u);
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static constexpr auto System_Clock_Div_8_Too = CounterMode_v::ClockSource.with(3u);
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};
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};
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__declare_io_port_global_struct(struct Counter0, Counter0, counter_base_adr(0));
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__declare_io_port_global_struct(struct Counter1, Counter1, counter_base_adr(1));
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__declare_io_port_global_struct(struct Counter2, Counter2, counter_base_adr(2));
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__declare_new_io_port(Counter0, counter_base_adr(0));
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__declare_new_io_port(Counter1, counter_base_adr(1));
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__declare_new_io_port(Counter2, counter_base_adr(2));
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}
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}
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@ -66,7 +66,7 @@ namespace JabyEngine {
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~HighResTime() = delete;
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static TimeStamp get_time_stamp() {
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return TimeStamp(HighResTime::global_counter_10ms, Timer_IO::Counter2.value.read(Timer_IO::CounterValue::Value));
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return TimeStamp(HighResTime::global_counter_10ms, Timer_IO::Counter2.get_current_value());
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}
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};
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#endif //JABYENGINE_USE_HIGH_PERCISION_TIMER
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@ -18,7 +18,7 @@
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void setup() {
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using namespace Timer_IO;
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static constexpr auto Mode = CounterMode::with(CounterMode::FreeRun, Counter2::SyncMode::Freerun, CounterMode::ResetAfterTarget, CounterMode::IRQAtTarget, CounterMode::IRQEveryTime, CounterMode::IRQPulse, Counter2::Source::System_Clock_Div_8);
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static constexpr auto Mode = CounterMode_t::from(CounterMode_t::FreeRun, Counter2_v::SyncMode::FreeRun, CounterMode_t::ResetAfterTarget, CounterMode_t::IRQAtTarget, CounterMode_t::IRQEveryTime, CounterMode_t::IRQPulse, Counter2_v::Source::System_Clock_Div_8);
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Interrupt::disable_irq(Interrupt::Timer2);
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@ -26,8 +26,8 @@
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__syscall_SysEnqIntRP(Timer2Irq, &IRQCallback);
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__syscall_ExitCriticalSection();
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Counter2.target.write(CounterTarget::CounterTargetValue.with(HighResTime::TicksFor10ms));
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Counter2.mode.write({Mode});
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Counter2.set_target_value(HighResTime::TicksFor10ms);
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Counter2.set_mode(Mode);
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Interrupt::enable_irq(Interrupt::Timer2);
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}
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