/**************************************************************************//**
?*?Copyright?（c）?2015?by?Silicon?Laboratories?Inc.?All?rights?reserved.
?*
?*?http://developer.silabs.com/legal/version/v11/Silicon_Labs_Software_License_Agreement.txt
?*****************************************************************************/
/////////////////////////////////////////////////////////////////////////////
//?Tick.c
/////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////
//?Includes
/////////////////////////////////////////////////////////////////////////////

#include?“bsp.h“
#include?“tick.h“

/////////////////////////////////////////////////////////////////////////////
//?Globals
/////////////////////////////////////////////////////////////////////////////

static?uint16_t?Ticks?=?0;

/////////////////////////////////////////////////////////////////////////////
//?Functions
/////////////////////////////////////////////////////////////////////////////

//---------------------------------------------------------------------------
//?GetTickCount
//---------------------------------------------------------------------------
//
//?Description?-?Return?the?system?up?time?in?milliseconds
//
//?return?-?Number?of?milliseconds?since?system?start.
//
uint16_t?GetTickCount（）
{
????uint16_t?ticks;
????uint8_t?save_page?=?SFRPAGE;

????//?Disable?Timer?4?interrupts
????SFRPAGE?=?0x10;
????EIE2?&=?~EIE2_ET4__BMASK;

????ticks?=?Ticks;

????//?Enable?Timer?4?interrupts
????EIE2?|=?EIE2_ET4__BMASK;
????SFRPAGE?=?save_page;

????return?ticks;
}

//---------------------------------------------------------------------------
//?Wait
//---------------------------------------------------------------------------
//
//?Description?-?Wait?the?specified?number?of?milliseconds
//
//?ms?-?The?number?of?milliseconds?to?wait
//
void?Wait（uint16_t?ms）
{
????uint16_t?ticks?=?GetTickCount（）;

????while?（（GetTickCount（）?-?ticks）?}

//-----------------------------------------------------------------------------
//?TIMER4_ISR
//-----------------------------------------------------------------------------
//
//?TIMER4?ISR?Content?goes?here.?Remember?to?clear?flag?bits:
//?TMR4CN::TF3H?（Timer?#?High?Byte?Overflow?Flag）
//?TMR4CN::TF3L?（Timer?#?Low?Byte?Overflow?Flag）
//
//?SFRPAGE?automatically?pushed/popped?and?set?to?0x10
//
//-----------------------------------------------------------------------------
SI_INTERRUPT?（TIMER4_ISR?TIMER4_IRQn）
{
????//?Overflows?every?1?ms
????TMR4CN0?&=?~TMR4CN0_TF4H__BMASK;

????Ticks++;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-04-29?02:42??OpticalSensorSi1153\
?????文件???????10455??2016-02-12?01:59??OpticalSensorSi1153\EFM8BB3_OpticalSensorSi1153.hwconf
?????文件????????3077??2016-04-29?02:41??OpticalSensorSi1153\EFM8BB3_OpticalSensorSi1153.slsproj
?????目錄???????????0??2016-02-17?04:52??OpticalSensorSi1153\inc\
?????目錄???????????0??2016-02-17?04:51??OpticalSensorSi1153\inc\config\
?????文件?????????882??2016-01-20?04:34??OpticalSensorSi1153\inc\config\efm8_config.h
?????文件????????1072??2016-01-19?04:36??OpticalSensorSi1153\inc\config\memory_lcd_config.h
?????文件?????????688??2016-02-12?07:21??OpticalSensorSi1153\inc\demo.h
?????目錄???????????0??2016-02-17?04:52??OpticalSensorSi1153\inc\graphics\
?????文件????????4206??2016-02-11?12:28??OpticalSensorSi1153\inc\graphics\lightbulb.h
?????文件????????4188??2016-02-11?12:48??OpticalSensorSi1153\inc\graphics\sun.h
?????文件????????1713??2016-02-12?01:59??OpticalSensorSi1153\inc\InitDevice.h
?????文件????????1070??2016-02-12?07:50??OpticalSensorSi1153\inc\lux.h
?????文件????????2693??2016-02-12?07:23??OpticalSensorSi1153\inc\main.h
?????文件????????8158??2016-02-12?07:43??OpticalSensorSi1153\inc\si115x_functions.h
?????目錄???????????0??2016-02-17?04:52??OpticalSensorSi1153\lib\
?????目錄???????????0??2016-02-17?04:52??OpticalSensorSi1153\lib\efm8bb3\
?????目錄???????????0??2016-02-17?04:51??OpticalSensorSi1153\lib\efm8bb3\bsp\
?????目錄???????????0??2016-02-17?04:51??OpticalSensorSi1153\lib\efm8bb3\bsp\efm8_memory_lcd\
?????目錄???????????0??2016-02-17?04:51??OpticalSensorSi1153\lib\efm8bb3\bsp\efm8_memory_lcd\src\
?????目錄???????????0??2016-02-17?04:55??OpticalSensorSi1153\lib\efm8bb3\bsp\efm8_memory_lcd\src\source\
?????文件????????2725??2016-01-20?05:06??OpticalSensorSi1153\lib\efm8bb3\bsp\efm8_memory_lcd\src\source\tick_timer4.c
?????文件????????1081??2016-04-29?02:57??OpticalSensorSi1153\Readme.txt
?????目錄???????????0??2016-02-17?04:58??OpticalSensorSi1153\Release\
?????文件???????40207??2016-02-17?04:57??OpticalSensorSi1153\Release\EFM8BB3_OpticalSensorSi1153.hex
?????目錄???????????0??2016-02-17?04:53??OpticalSensorSi1153\scripts\
?????文件????????3463??2016-02-11?12:27??OpticalSensorSi1153\scripts\lightbulb.png
?????文件????????2891??2016-01-19?04:36??OpticalSensorSi1153\scripts\png_black_background.py
?????文件????????2276??2016-02-11?12:48??OpticalSensorSi1153\scripts\sun.png
?????文件????????2807??2016-01-19?04:36??OpticalSensorSi1153\scripts\xbm_black_background.py
?????目錄???????????0??2016-02-17?04:53??OpticalSensorSi1153\src\
............此處省略9個文件信息