分离Time

This commit is contained in:
Stone 2016-06-14 07:48:08 +00:00
parent 9fff2bab04
commit a38b2b5ae0
3 changed files with 137 additions and 129 deletions

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@ -1,7 +1,7 @@
#include "Time.h" #include "Time.h"
#include "Timer.h" //#include "Timer.h"
#include "Platform\stm32.h" //#include "Platform\stm32.h"
#define TIME_DEBUG 0 #define TIME_DEBUG 0
@ -14,13 +14,6 @@
#endif #endif
/************************************************ TTime ************************************************/ /************************************************ TTime ************************************************/
#define TIME_Completion_IdleValue 0xFFFFFFFFFFFFFFFFull
#define SYSTICK_MAXCOUNT SysTick_LOAD_RELOAD_Msk //((1<<24) - 1) /* SysTick MaxCount */
#define SYSTICK_ENABLE SysTick_CTRL_ENABLE_Msk // 0 /* Config-Bit to start or stop the SysTick Timer */
static TIM_TypeDef* const g_Timers[] = TIMS;
TTime::TTime() TTime::TTime()
{ {
Seconds = 0; Seconds = 0;
@ -42,125 +35,6 @@ TTime::TTime()
OnSleep = nullptr; OnSleep = nullptr;
} }
void TTime::Init()
{
// 准备使用外部时钟Systick时钟=HCLK/8
uint clk = Sys.Clock / 8;
// 48M时每秒48M/8=6M个滴答1us=6滴答
// 72M时每秒72M/8=9M个滴答1us=9滴答
// 96M时每秒96M/8=12M个滴答1us=12滴答
// 120M时每秒120M/8=15M个滴答1us=15滴答
// 168M时每秒168M/8=21M个滴答1us=21滴答
Ticks = clk / 1000000; // 每微秒的时钟滴答数
//uint ticks = SYSTICK_MAXCOUNT;
// ticks为每次中断的嘀嗒数也就是重载值
//SysTick_Config(ticks);
// 上面的函数会打开中断
uint ticks = Ticks * 1000; // 1000微秒便于跟毫秒叠加
SysTick->LOAD = ticks - 1;
SysTick->VAL = 0;
SysTick->CTRL = SysTick_CTRL_ENABLE_Msk;
//Interrupt.Disable(SysTick_IRQn);
TIM_TypeDef* tim = g_Timers[Index];
/*#if defined(STM32F0) || defined(GD32F150)
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM14, ENABLE);
#else
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);
#endif*/
Timer::ClockCmd(Index, true);
// 获取当前频率
#if defined(STM32F0) || defined(GD32F150)
uint prd = 1000;
uint psc = Sys.Clock / 1000;
#else
clk = RCC_GetPCLK();
if((uint)tim & 0x00010000) clk = RCC_GetPCLK2();
clk <<= 1;
// 120M时分频系数必须是120K才能得到1k的时钟超过了最大值64k
// 因此,需要增加系数
uint prd = 1000;
uint psc = clk / 1000;
Div = 0;
while(psc > 0xFFFF)
{
prd <<= 1;
psc >>= 1;
Div++;
}
#endif
// 配置时钟。1毫秒计时1000毫秒中断
TIM_TimeBaseInitTypeDef tr;
TIM_TimeBaseStructInit(&tr);
tr.TIM_Period = prd - 1;
tr.TIM_Prescaler = psc - 1;
//tr.TIM_ClockDivision = 0x0;
tr.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(tim, &tr);
// 打开中断
TIM_ITConfig(tim, TIM_IT_Update, ENABLE);
// 清除标志位 必须要有!! 否则 开启中断立马中断给你看
TIM_ClearFlag(tim, TIM_FLAG_Update);
const byte irqs[] = TIM_IRQns;
byte irq = irqs[Index];
Interrupt.SetPriority(irq, 0);
Interrupt.Activate(irq, OnHandler, tim);
// 打开计数
TIM_Cmd(tim, ENABLE);
}
#if !defined(TINY) && defined(STM32F0)
#pragma arm section code = "SectionForSys"
#endif
#if defined(STM32F0) || defined(GD32F150) || defined(STM32F4)
#define SysTick_CTRL_COUNTFLAG SysTick_CTRL_COUNTFLAG_Msk
#endif
void TTime::OnHandler(ushort num, void* param)
{
auto timer = (TIM_TypeDef*)param;
if(!timer) return;
// 检查指定的 TIM 中断发生
if(TIM_GetITStatus(timer, TIM_IT_Update) == RESET) return;
// 累加计数
auto& time = (TTime&)Time;
time.Seconds += 1;
time.Milliseconds += 1000;
// 必须清除TIMx的中断待处理位否则会频繁中断
TIM_ClearITPendingBit(timer, TIM_IT_Update);
//debug_printf("TTime::OnHandler Seconds=%d Milliseconds=%d\r\n", Time.Seconds, (uint)Time.Milliseconds);
// 定期保存Ticks到后备RTC寄存器
if(time.OnSave) time.OnSave();
//if(Sys.OnTick) Sys.OnTick();
}
// 当前滴答时钟
uint TTime::CurrentTicks() const
{
return SysTick->LOAD - SysTick->VAL;
}
// 当前毫秒数
UInt64 TTime::Current() const
{
uint cnt = g_Timers[Index]->CNT;
#if ! (defined(STM32F0) || defined(GD32F150))
if(Div) cnt >>= Div;
#endif
return Milliseconds + cnt;
}
void TTime::SetTime(UInt64 seconds) void TTime::SetTime(UInt64 seconds)
{ {
if(seconds >= BASE_YEAR_US) seconds -= BASE_YEAR_US; if(seconds >= BASE_YEAR_US) seconds -= BASE_YEAR_US;

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@ -1,6 +1,6 @@
#include "Sys.h" #include "Sys.h"
#include "Platform\stm32.h" //#include "Platform\stm32.h"
#include <stdlib.h> #include <stdlib.h>

134
Platform/CMSIS/Time.cpp Normal file
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@ -0,0 +1,134 @@
#include "Time.h"
#include "Timer.h"
#include "Platform\stm32.h"
#define TIME_DEBUG 0
/************************************************ TTime ************************************************/
#define SYSTICK_MAXCOUNT SysTick_LOAD_RELOAD_Msk //((1<<24) - 1) /* SysTick MaxCount */
#define SYSTICK_ENABLE SysTick_CTRL_ENABLE_Msk // 0 /* Config-Bit to start or stop the SysTick Timer */
static TIM_TypeDef* const g_Timers[] = TIMS;
void TTime::Init()
{
// 准备使用外部时钟Systick时钟=HCLK/8
uint clk = Sys.Clock / 8;
// 48M时每秒48M/8=6M个滴答1us=6滴答
// 72M时每秒72M/8=9M个滴答1us=9滴答
// 96M时每秒96M/8=12M个滴答1us=12滴答
// 120M时每秒120M/8=15M个滴答1us=15滴答
// 168M时每秒168M/8=21M个滴答1us=21滴答
Ticks = clk / 1000000; // 每微秒的时钟滴答数
//uint ticks = SYSTICK_MAXCOUNT;
// ticks为每次中断的嘀嗒数也就是重载值
//SysTick_Config(ticks);
// 上面的函数会打开中断
uint ticks = Ticks * 1000; // 1000微秒便于跟毫秒叠加
SysTick->LOAD = ticks - 1;
SysTick->VAL = 0;
SysTick->CTRL = SysTick_CTRL_ENABLE_Msk;
//Interrupt.Disable(SysTick_IRQn);
TIM_TypeDef* tim = g_Timers[Index];
/*#if defined(STM32F0) || defined(GD32F150)
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM14, ENABLE);
#else
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);
#endif*/
Timer::ClockCmd(Index, true);
// 获取当前频率
#if defined(STM32F0) || defined(GD32F150)
uint prd = 1000;
uint psc = Sys.Clock / 1000;
#else
clk = RCC_GetPCLK();
if((uint)tim & 0x00010000) clk = RCC_GetPCLK2();
clk <<= 1;
// 120M时分频系数必须是120K才能得到1k的时钟超过了最大值64k
// 因此,需要增加系数
uint prd = 1000;
uint psc = clk / 1000;
Div = 0;
while(psc > 0xFFFF)
{
prd <<= 1;
psc >>= 1;
Div++;
}
#endif
// 配置时钟。1毫秒计时1000毫秒中断
TIM_TimeBaseInitTypeDef tr;
TIM_TimeBaseStructInit(&tr);
tr.TIM_Period = prd - 1;
tr.TIM_Prescaler = psc - 1;
//tr.TIM_ClockDivision = 0x0;
tr.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(tim, &tr);
// 打开中断
TIM_ITConfig(tim, TIM_IT_Update, ENABLE);
// 清除标志位 必须要有!! 否则 开启中断立马中断给你看
TIM_ClearFlag(tim, TIM_FLAG_Update);
const byte irqs[] = TIM_IRQns;
byte irq = irqs[Index];
Interrupt.SetPriority(irq, 0);
Interrupt.Activate(irq, OnHandler, tim);
// 打开计数
TIM_Cmd(tim, ENABLE);
}
#if !defined(TINY) && defined(STM32F0)
#pragma arm section code = "SectionForSys"
#endif
#if defined(STM32F0) || defined(GD32F150) || defined(STM32F4)
#define SysTick_CTRL_COUNTFLAG SysTick_CTRL_COUNTFLAG_Msk
#endif
void TTime::OnHandler(ushort num, void* param)
{
auto timer = (TIM_TypeDef*)param;
if(!timer) return;
// 检查指定的 TIM 中断发生
if(TIM_GetITStatus(timer, TIM_IT_Update) == RESET) return;
// 累加计数
auto& time = (TTime&)Time;
time.Seconds += 1;
time.Milliseconds += 1000;
// 必须清除TIMx的中断待处理位否则会频繁中断
TIM_ClearITPendingBit(timer, TIM_IT_Update);
//debug_printf("TTime::OnHandler Seconds=%d Milliseconds=%d\r\n", Time.Seconds, (uint)Time.Milliseconds);
// 定期保存Ticks到后备RTC寄存器
if(time.OnSave) time.OnSave();
//if(Sys.OnTick) Sys.OnTick();
}
// 当前滴答时钟
uint TTime::CurrentTicks() const
{
return SysTick->LOAD - SysTick->VAL;
}
// 当前毫秒数
UInt64 TTime::Current() const
{
uint cnt = g_Timers[Index]->CNT;
#if ! (defined(STM32F0) || defined(GD32F150))
if(Div) cnt >>= Div;
#endif
return Milliseconds + cnt;
}
#pragma arm section code