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Support High Percision Counter

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This commit is contained in:
Jaby
2023-01-09 22:27:10 +01:00
committed by Jaby
parent 068eb48557
commit 9950484f9a
7 changed files with 37 additions and 17 deletions
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21
src/Library/src/BootLoader/timer_boot.cpp
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@@ -10,29 +10,32 @@ namespace JabyEngine {
extern InterrupCallback IRQCallback;
static constexpr double CPU_Frequency_Hz = 33868800.0;
static constexpr double CPU_Frequncey_Hz_Div8 = (CPU_Frequency_Hz/8.0);
static constexpr double CPU_Frequency_Hz_Div8 = (CPU_Frequency_Hz/8.0);
template<typename T>
static constexpr T NS_Per_Tick(double CPU_Frequency_Hz) {
return static_cast<T>((1.0/CPU_Frequency_Hz)*1000.0*1000.0*1000.0);
static constexpr T NS_Per_Tick(double CPU_Frequency_Hz, double time = 1.0) {
return static_cast<T>((time/CPU_Frequency_Hz)*1000.0*1000.0*1000.0);
}
template<typename T>
static constexpr T US_Per_Tick(double CPU_Frequency_Hz) {
return static_cast<T>((1000.0/NS_Per_Tick<double>(CPU_Frequency_Hz)));
static constexpr T US_Per_Tick(double CPU_Frequency_Hz, double time = 1.0) {
return static_cast<T>(((time*1000.0)/NS_Per_Tick<double>(CPU_Frequency_Hz)));
}
template<typename T>
static constexpr T MS_Per_Tick(double CPU_Frequency_Hz) {
return static_cast<T>(((1000.0*1000.0)/NS_Per_Tick<double>(CPU_Frequency_Hz)));
static constexpr T MS_Per_Tick(double CPU_Frequency_Hz, double time = 1.0) {
return static_cast<T>(((time*1000.0*1000.0)/NS_Per_Tick<double>(CPU_Frequency_Hz)));
}
void setup() {
using namespace Timer_IO;
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);
static constexpr uint16_t Target = MS_Per_Tick<uint16_t>(CPU_Frequncey_Hz_Div8)*10;
#ifdef JABYENGINE_USE_HIGH_PERCISION_TIMER
static constexpr uint16_t Target = US_Per_Tick<uint16_t>(CPU_Frequency_Hz, 100.0);
#else
static constexpr uint16_t Target = MS_Per_Tick<uint16_t>(CPU_Frequency_Hz_Div8, 10.0);
#endif //#ifdef JABYENGINE_USE_HIGH_PERCISION_TIMER
Interrupt::disable_irq(Interrupt::Timer2);
__syscall_EnterCriticalSection();