222 lines
5.4 KiB
C
222 lines
5.4 KiB
C
![]() |
#include "delay.h"
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#include "sys.h"
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//////////////////////////////////////////////////////////////////////////////////
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//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>ucos,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>.
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#if SYSTEM_SUPPORT_OS
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#include "includes.h" //ucos ʹ<><CAB9>
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#endif
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static u32 fac_us=0; //us<75><73>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#if SYSTEM_SUPPORT_OS
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static u16 fac_ms=0; //ms<6D><73>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>os<6F><73>,<2C><><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ms<6D><73>
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#endif
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#if SYSTEM_SUPPORT_OS //<2F><><EFBFBD><EFBFBD>SYSTEM_SUPPORT_OS<4F><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,˵<><CBB5>Ҫ֧<D2AA><D6A7>OS<4F><53>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UCOS).
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//<2F><>delay_us/delay_ms<6D><73>Ҫ֧<D2AA><D6A7>OS<4F><53>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>OS<4F><53><EFBFBD>صĺ궨<C4BA><EAB6A8><EFBFBD>ͺ<EFBFBD><CDBA><EFBFBD><EFBFBD><EFBFBD>֧<EFBFBD><D6A7>
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD><33><EFBFBD>궨<EFBFBD><EAB6A8>:
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//delay_osrunning:<3A><><EFBFBD>ڱ<EFBFBD>ʾOS<4F><53>ǰ<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C>Ծ<EFBFBD><D4BE><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD>غ<EFBFBD><D8BA><EFBFBD>
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//delay_ostickspersec:<3A><><EFBFBD>ڱ<EFBFBD>ʾOS<4F>趨<EFBFBD><E8B6A8>ʱ<EFBFBD>ӽ<EFBFBD><D3BD><EFBFBD>,delay_init<69><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>systick
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//delay_osintnesting:<3A><><EFBFBD>ڱ<EFBFBD>ʾOS<4F>ж<EFBFBD>Ƕ<EFBFBD><EFBFBD><D7BC><EFBFBD>,<2C><>Ϊ<EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>治<EFBFBD><E6B2BB><EFBFBD>Ե<EFBFBD><D4B5><EFBFBD>,delay_msʹ<73>øò<C3B8><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//Ȼ<><C8BB><EFBFBD><EFBFBD>3<EFBFBD><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
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//delay_osschedlock:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>OS<4F><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>
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//delay_osschedunlock:<3A><><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD>OS<4F><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD>¿<EFBFBD><C2BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//delay_ostimedly:<3A><><EFBFBD><EFBFBD>OS<4F><53>ʱ,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
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//<2F><><EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD><CCBD><EFBFBD>UCOSII<49><49>UCOSIII<49><49>֧<EFBFBD><D6A7>,<2C><><EFBFBD><EFBFBD>OS,<2C><><EFBFBD><EFBFBD><EFBFBD>вο<D0B2><CEBF><EFBFBD><EFBFBD><EFBFBD>ֲ
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//֧<><D6A7>UCOSII
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#ifdef OS_CRITICAL_METHOD //OS_CRITICAL_METHOD<4F><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,˵<><CBB5>Ҫ֧<D2AA><D6A7>UCOSII
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#define delay_osrunning OSRunning //OS<4F>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>,0,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;1,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define delay_ostickspersec OS_TICKS_PER_SEC //OSʱ<53>ӽ<EFBFBD><D3BD><EFBFBD>,<2C><>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD>
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#define delay_osintnesting OSIntNesting //<2F>ж<EFBFBD>Ƕ<EFBFBD><EFBFBD><D7BC><EFBFBD>,<2C><><EFBFBD>ж<EFBFBD>Ƕ<EFBFBD>״<EFBFBD><D7B4><EFBFBD>
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#endif
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//֧<><D6A7>UCOSIII
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#ifdef CPU_CFG_CRITICAL_METHOD //CPU_CFG_CRITICAL_METHOD<4F><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,˵<><CBB5>Ҫ֧<D2AA><D6A7>UCOSIII
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#define delay_osrunning OSRunning //OS<4F>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>,0,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;1,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define delay_ostickspersec OSCfg_TickRate_Hz //OSʱ<53>ӽ<EFBFBD><D3BD><EFBFBD>,<2C><>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD>
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#define delay_osintnesting OSIntNestingCtr //<2F>ж<EFBFBD>Ƕ<EFBFBD><EFBFBD><D7BC><EFBFBD>,<2C><><EFBFBD>ж<EFBFBD>Ƕ<EFBFBD>״<EFBFBD><D7B4><EFBFBD>
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#endif
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//us<75><73><EFBFBD><EFBFBD>ʱʱ,<2C>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>us<75><73><EFBFBD>ӳ<EFBFBD>)
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void delay_osschedlock(void)
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{
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#ifdef CPU_CFG_CRITICAL_METHOD //ʹ<><CAB9>UCOSIII
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OS_ERR err;
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OSSchedLock(&err); //UCOSIII<49>ķ<EFBFBD>ʽ,<2C><>ֹ<EFBFBD><D6B9><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>us<75><73>ʱ
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#else //<2F><><EFBFBD><EFBFBD>UCOSII
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OSSchedLock(); //UCOSII<49>ķ<EFBFBD>ʽ,<2C><>ֹ<EFBFBD><D6B9><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>us<75><73>ʱ
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#endif
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}
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//us<75><73><EFBFBD><EFBFBD>ʱʱ,<2C>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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void delay_osschedunlock(void)
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{
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#ifdef CPU_CFG_CRITICAL_METHOD //ʹ<><CAB9>UCOSIII
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OS_ERR err;
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OSSchedUnlock(&err); //UCOSIII<49>ķ<EFBFBD>ʽ,<2C>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>
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#else //<2F><><EFBFBD><EFBFBD>UCOSII
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OSSchedUnlock(); //UCOSII<49>ķ<EFBFBD>ʽ,<2C>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>
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#endif
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}
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//<2F><><EFBFBD><EFBFBD>OS<4F>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ
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//ticks:<3A><>ʱ<EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
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void delay_ostimedly(u32 ticks)
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{
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#ifdef CPU_CFG_CRITICAL_METHOD
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OS_ERR err;
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OSTimeDly(ticks,OS_OPT_TIME_PERIODIC,&err); //UCOSIII<49><49>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
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#else
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OSTimeDly(ticks); //UCOSII<49><49>ʱ
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#endif
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}
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//systick<63>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ʹ<><CAB9>OSʱ<53>õ<EFBFBD>
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void SysTick_Handler(void)
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{
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HAL_IncTick();
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if(delay_osrunning==1) //OS<4F><53>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>,<2C><>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5>ȴ<EFBFBD><C8B4><EFBFBD>
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{
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OSIntEnter(); //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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OSTimeTick(); //<2F><><EFBFBD><EFBFBD>ucos<6F><73>ʱ<EFBFBD>ӷ<EFBFBD><D3B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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OSIntExit(); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD>ж<EFBFBD>
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}
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}
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#endif
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//<2F><>ʼ<EFBFBD><CABC><EFBFBD>ӳٺ<D3B3><D9BA><EFBFBD>
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//<2F><>ʹ<EFBFBD><CAB9>ucos<6F><73>ʱ<EFBFBD><CAB1>,<2C>˺<EFBFBD><CBBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ucos<6F><73>ʱ<EFBFBD>ӽ<EFBFBD><D3BD><EFBFBD>
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//SYSTICK<43><4B>ʱ<EFBFBD>ӹ̶<D3B9>ΪAHBʱ<42><CAB1>
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//SYSCLK:ϵͳʱ<CDB3><CAB1>Ƶ<EFBFBD><C6B5>
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void delay_init(u8 SYSCLK)
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{
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#if SYSTEM_SUPPORT_OS //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ֧<D2AA><D6A7>OS.
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u32 reload;
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#endif
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HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);//SysTickƵ<6B><C6B5>ΪHCLK
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fac_us=SYSCLK; //<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ʹ<EFBFBD><CAB9>OS,fac_us<75><73><EFBFBD><EFBFBD>Ҫʹ<D2AA><CAB9>
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#if SYSTEM_SUPPORT_OS //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ֧<D2AA><D6A7>OS.
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reload=SYSCLK; //ÿ<><C3BF><EFBFBD>ӵļ<D3B5><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>λΪK
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reload*=1000000/delay_ostickspersec; //<2F><><EFBFBD><EFBFBD>delay_ostickspersec<65>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
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//reloadΪ24λ<34>Ĵ<EFBFBD><C4B4><EFBFBD>,<2C><><EFBFBD><EFBFBD>ֵ:16777216,<2C><>180M<30><4D>,Լ<><D4BC>0.745s<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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fac_ms=1000/delay_ostickspersec; //<2F><><EFBFBD><EFBFBD>OS<4F><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>ٵ<EFBFBD>λ
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SysTick->CTRL|=SysTick_CTRL_TICKINT_Msk;//<2F><><EFBFBD><EFBFBD>SYSTICK<43>ж<EFBFBD>
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SysTick->LOAD=reload; //ÿ1/OS_TICKS_PER_SEC<45><43><EFBFBD>ж<EFBFBD>һ<EFBFBD><D2BB>
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SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk; //<2F><><EFBFBD><EFBFBD>SYSTICK
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#else
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#endif
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}
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#if SYSTEM_SUPPORT_OS //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ֧<D2AA><D6A7>OS.
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//<2F><>ʱnus
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//nus:Ҫ<><D2AA>ʱ<EFBFBD><CAB1>us<75><73>.
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//nus:0~190887435(<28><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>2^32/fac_us@fac_us=22.5)
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void delay_us(u32 nus)
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{
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u32 ticks;
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u32 told,tnow,tcnt=0;
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u32 reload=SysTick->LOAD; //LOAD<41><44>ֵ
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ticks=nus*fac_us; //<2F><>Ҫ<EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
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delay_osschedlock(); //<2F><>ֹOS<4F><53><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>us<75><73>ʱ
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told=SysTick->VAL; //<2F>ս<EFBFBD><D5BD><EFBFBD>ʱ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>ֵ
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while(1)
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{
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tnow=SysTick->VAL;
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if(tnow!=told)
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{
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if(tnow<told)tcnt+=told-tnow; //<2F><><EFBFBD><EFBFBD>ע<EFBFBD><D7A2>һ<EFBFBD><D2BB>SYSTICK<43><4B>һ<EFBFBD><D2BB><EFBFBD>ݼ<EFBFBD><DDBC>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD><EFBFBD><EFBFBD>.
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else tcnt+=reload-tnow+told;
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told=tnow;
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if(tcnt>=ticks)break; //ʱ<>䳬<EFBFBD><E4B3AC>/<2F><><EFBFBD><EFBFBD>Ҫ<EFBFBD>ӳٵ<D3B3>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD>˳<EFBFBD>.
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}
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};
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delay_osschedunlock(); //<2F>ָ<EFBFBD>OS<4F><53><EFBFBD><EFBFBD>
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}
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//<2F><>ʱnms
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//nms:Ҫ<><D2AA>ʱ<EFBFBD><CAB1>ms<6D><73>
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//nms:0~65535
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void delay_ms(u16 nms)
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{
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if(delay_osrunning&&delay_osintnesting==0)//<2F><><EFBFBD><EFBFBD>OS<4F>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>(<28>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>治<EFBFBD><E6B2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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{
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if(nms>=fac_ms) //<2F><>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>OS<4F><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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delay_ostimedly(nms/fac_ms); //OS<4F><53>ʱ
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}
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nms%=fac_ms; //OS<4F>Ѿ<EFBFBD><D1BE><EFBFBD><DEB7>ṩ<EFBFBD><E1B9A9>ôС<C3B4><D0A1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>ʽ<EFBFBD><CABD>ʱ
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}
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delay_us((u32)(nms*1000)); //<2F><>ͨ<EFBFBD><CDA8>ʽ<EFBFBD><CABD>ʱ
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}
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#else //<2F><><EFBFBD><EFBFBD>ucosʱ
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//<2F><>ʱnus
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//nusΪҪ<CEAA><D2AA>ʱ<EFBFBD><CAB1>us<75><73>.
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//nus:0~190887435(<28><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>2^32/fac_us@fac_us=22.5)
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void delay_us(u32 nus)
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{
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u32 ticks;
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u32 told,tnow,tcnt=0;
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u32 reload=SysTick->LOAD; //LOAD<41><44>ֵ
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ticks=nus*fac_us; //<2F><>Ҫ<EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
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told=SysTick->VAL; //<2F>ս<EFBFBD><D5BD><EFBFBD>ʱ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>ֵ
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while(1)
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{
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tnow=SysTick->VAL;
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if(tnow!=told)
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{
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if(tnow<told)tcnt+=told-tnow; //<2F><><EFBFBD><EFBFBD>ע<EFBFBD><D7A2>һ<EFBFBD><D2BB>SYSTICK<43><4B>һ<EFBFBD><D2BB><EFBFBD>ݼ<EFBFBD><DDBC>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD><EFBFBD><EFBFBD>.
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else tcnt+=reload-tnow+told;
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told=tnow;
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if(tcnt>=ticks)break; //ʱ<>䳬<EFBFBD><E4B3AC>/<2F><><EFBFBD><EFBFBD>Ҫ<EFBFBD>ӳٵ<D3B3>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD>˳<EFBFBD>.
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}
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};
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}
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//<2F><>ʱnms
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//nms:Ҫ<><D2AA>ʱ<EFBFBD><CAB1>ms<6D><73>
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void delay_ms(u16 nms)
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{
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u32 i;
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for(i=0;i<nms;i++) delay_us(1000);
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}
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#endif
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